Update main_window.py

drive.py

@@ -1,205 +0,0 @@
-from mega import Mega 
-import os 
-import requests 
-import traceback 
-from urllib .parse import urlparse ,urlunparse ,parse_qs ,urlencode 
-
-try :
-    import gdown 
-    GDOWN_AVAILABLE =True 
-except ImportError :
-    GDOWN_AVAILABLE =False 
-
-def download_mega_file (mega_link ,download_path =".",logger_func =print ):
-    """
-    Downloads a file from a public Mega.nz link.
-
-    Args:
-        mega_link (str): The public Mega.nz link to the file.
-        download_path (str, optional): The directory to save the downloaded file.
-                                       Defaults to the current directory.
-        logger_func (callable, optional): Function to use for logging. Defaults to print.
-    """
-    logger_func ("drive.py: download_mega_file called.")
-    logger_func (f"drive.py: mega_link='{mega_link}', download_path='{download_path}'")
-
-    logger_func ("drive.py: Initializing Mega client (Mega())...")
-    try:
-        mega_client = Mega()
-    except Exception as e_init:
-        logger_func(f"drive.py: ERROR during Mega() instantiation: {e_init}")
-        traceback.print_exc()
-        raise
-    logger_func ("drive.py: Mega client initialized. Logging in anonymously (m.login())...")
-    try:
-        m = mega_client.login()
-    except Exception as e_login:
-        logger_func(f"drive.py: ERROR during m.login(): {e_login}")
-        traceback.print_exc()
-        raise
-    logger_func ("drive.py: Logged in anonymously.")
-
-    logger_func (f"drive.py: Attempting to download from: {mega_link }")
-
-    try :
-        if not os .path .exists (download_path ):
-            logger_func (f"drive.py: Download path '{download_path }' does not exist. Creating it...")
-            os .makedirs (download_path ,exist_ok =True )
-        logger_func (f"drive.py: Download path ensured: '{download_path }'")
-
-        logger_func (f"drive.py: Calling m.download_url for '{mega_link }' to '{download_path }'...")
-        
-        # The download_url method returns the local file path of the downloaded file.
-        # It takes dest_path (directory) and dest_filename (optional).
-        # If dest_filename is None, it uses the name from get_public_url_info().
-        downloaded_file_path = m.download_url(mega_link, dest_path=download_path, dest_filename=None)
-
-        logger_func(f"drive.py: m.download_url returned: {downloaded_file_path}")
-
-        if downloaded_file_path and os.path.exists(downloaded_file_path):
-            logger_func(f"drive.py: File downloaded successfully! Saved as: {downloaded_file_path}")
-            # Optional: Verify size if possible, but get_public_url_info is another network call
-            # and might be redundant or problematic if the download itself worked.
-        elif downloaded_file_path:
-            logger_func(f"drive.py: m.download_url returned a path '{downloaded_file_path}', but it does not exist on disk. Download may have failed silently or path is incorrect.")
-            raise Exception(f"Mega download_url returned path '{downloaded_file_path}' which was not found.")
-        else :
-            logger_func ("drive.py: Download failed. m.download_url did not return a valid file path.")
-            raise Exception ("Mega download_url did not return a file path or failed.")
-
-    except PermissionError as e:
-        logger_func(f"drive.py: PermissionError: {e}. Denied to write to '{download_path}'. Please check permissions.")
-        raise
-    except FileNotFoundError as e:
-        logger_func(f"drive.py: FileNotFoundError: {e}. The path '{download_path}' is invalid.")
-        raise
-    except requests.exceptions.ConnectionError as e: # More specific for network
-        logger_func(f"drive.py: requests.exceptions.ConnectionError: {e}. Network problem during Mega operation.")
-        raise
-    except requests.exceptions.RequestException as e: # General requests error
-        logger_func(f"drive.py: requests.exceptions.RequestException: {e} during request to Mega.")
-        raise
-    except Exception as e: # Catch-all for other errors from mega.py or os calls
-        logger_func(f"drive.py: An unexpected error occurred during Mega download: {e}")
-        traceback.print_exc() # Print full traceback for unexpected errors
-        raise
-
-def download_gdrive_file (gdrive_link ,download_path =".",logger_func =print ):
-    """
-    Downloads a file from a public Google Drive link.
-
-    Args:
-        gdrive_link (str): The public Google Drive link to the file.
-        download_path (str, optional): The directory to save the downloaded file.
-                                       Defaults to the current directory.
-        logger_func (callable, optional): Function to use for logging. Defaults to print.
-    """
-    if not GDOWN_AVAILABLE :
-        logger_func ("❌ Error: gdown library is not installed. Cannot download from Google Drive.")
-        logger_func ("Please install it: pip install gdown")
-        raise ImportError ("gdown library not found. Please install it: pip install gdown")
-
-    logger_func (f"Attempting to download from Google Drive: {gdrive_link }")
-    try :
-        if not os .path .exists (download_path ):
-            logger_func (f"Download path '{download_path }' does not exist. Creating it...")
-            os .makedirs (download_path ,exist_ok =True )
-
-        logger_func (f"Starting Google Drive download to '{download_path }'...")
-
-        output_file_path =gdown .download (gdrive_link ,output =download_path ,quiet =False ,fuzzy =True )
-
-        if output_file_path and os .path .exists (os .path .join (download_path ,os .path .basename (output_file_path ))):
-            logger_func (f"✅ Google Drive file downloaded successfully: {output_file_path }")
-        elif output_file_path :
-            full_path_check =os .path .join (download_path ,output_file_path )
-            if os .path .exists (full_path_check ):
-                 logger_func (f"✅ Google Drive file downloaded successfully: {full_path_check }")
-            else :
-                 logger_func (f"⚠️ Google Drive download finished, gdown returned '{output_file_path }', but file not found at expected location.")
-                 logger_func (f"   Please check '{download_path }' for the downloaded file, it might have a different name than expected by gdown's return.")
-
-                 files_in_dest =[f for f in os .listdir (download_path )if os .path .isfile (os .path .join (download_path ,f ))]
-                 if len (files_in_dest )==1 :
-                     logger_func (f"   Found one file in destination: {os .path .join (download_path ,files_in_dest [0 ])}. Assuming this is it.")
-                 elif len (files_in_dest )>1 and output_file_path in files_in_dest :
-                     logger_func (f"   Confirmed file '{output_file_path }' exists in '{download_path }'.")
-                 else :
-                     raise Exception (f"gdown download failed or file not found. Returned: {output_file_path }")
-        else :
-            logger_func ("❌ Google Drive download failed. gdown did not return an output path.")
-            raise Exception ("gdown download failed.")
-
-    except PermissionError :
-        logger_func (f"❌ Error: Permission denied to write to '{download_path }'. Please check permissions.")
-        raise 
-    except Exception as e :
-        logger_func (f"❌ An error occurred during Google Drive download: {e }")
-        traceback .print_exc ()
-        raise 
-
-def _get_filename_from_headers (headers ):
-    cd =headers .get ('content-disposition')
-    if not cd :
-        return None 
-    fname_match =re .findall ('filename="?([^"]+)"?',cd )
-    if fname_match :
-        return fname_match [0 ].strip ()
-    return None 
-
-def download_dropbox_file (dropbox_link ,download_path =".",logger_func =print ):
-    """
-    Downloads a file from a public Dropbox link.
-
-    Args:
-        dropbox_link (str): The public Dropbox link to the file.
-        download_path (str, optional): The directory to save the downloaded file.
-                                       Defaults to the current directory.
-        logger_func (callable, optional): Function to use for logging. Defaults to print.
-    """
-    logger_func (f"Attempting to download from Dropbox: {dropbox_link }")
-
-
-    parsed_url =urlparse (dropbox_link )
-    query_params =parse_qs (parsed_url .query )
-    query_params ['dl']=['1']
-    new_query =urlencode (query_params ,doseq =True )
-    direct_download_url =urlunparse (parsed_url ._replace (query =new_query ))
-
-    logger_func (f"   Using direct download URL: {direct_download_url }")
-
-    try :
-        if not os .path .exists (download_path ):
-            logger_func (f"Download path '{download_path }' does not exist. Creating it...")
-            os .makedirs (download_path ,exist_ok =True )
-
-        with requests .get (direct_download_url ,stream =True ,allow_redirects =True ,timeout =(10 ,300 ))as r :
-            r .raise_for_status ()
-            filename =_get_filename_from_headers (r .headers )or os .path .basename (urlparse (dropbox_link ).path )or "dropbox_downloaded_file"
-
-            filename =re .sub (r'[<>:"/\\|?*]','_',filename )
-            full_save_path =os .path .join (download_path ,filename )
-            logger_func (f"Starting Dropbox download of '{filename }' to '{full_save_path }'...")
-            with open (full_save_path ,'wb')as f :
-                for chunk in r .iter_content (chunk_size =8192 ):
-                    f .write (chunk )
-            logger_func (f"✅ Dropbox file downloaded successfully: {full_save_path }")
-    except Exception as e :
-        logger_func (f"❌ An error occurred during Dropbox download: {e }")
-        traceback .print_exc ()
-        raise 
-
-if __name__ =="__main__":
-
-    mega_file_link ="https://mega.nz/file/03oRjBQT#Tcbp5sQVIyPbdmv8sLgbb9Lf9AZvZLdKRSQiuXkNW0k"
-
-    if not mega_file_link .startswith ("https://mega.nz/file/"):
-        print ("Invalid Mega file link format. It should start with 'https://mega.nz/file/'.")
-    else :
-
-
-        script_dir =os .path .dirname (os .path .abspath (__file__ ))
-        download_directory =os .path .join (script_dir ,"mega_downloads")
-
-        print (f"Files will be downloaded to: {download_directory }")
-        download_mega_file (mega_file_link ,download_directory ,logger_func =print )

features.md

@@ -1,381 +1,190 @@
-# Kemono Downloader - Detailed Feature Guide
-
+# Kemono Downloader - Feature Guide
 This guide provides a comprehensive overview of all user interface elements, input fields, buttons, popups, and functionalities available in the Kemono Downloader.
 
----
-
-## Main Interface & Workflow
-
+## 1. Main Interface & Workflow
 These are the primary controls you'll interact with to initiate and manage downloads.
 
-### 1. Main Inputs
-
--   **🔗 Kemono Creator/Post URL Input Field:**
-    -   **Purpose:** This is where you paste the URL of the content you want to download.
-    -   **Usage:** Supports full URLs for:
-        -   Kemono.su (and mirrors like kemono.party) creator pages (e.g., `https://kemono.su/patreon/user/12345`).
-        -   Kemono.su (and mirrors) individual posts (e.g., `https://kemono.su/patreon/user/12345/post/98765`).
-        -   Coomer.party (and mirrors like coomer.su) creator pages.
-        -   Coomer.party (and mirrors) individual posts.
-    -   **Note:** When **⭐ Favorite Mode** is active, this field is disabled and shows a "Favorite Mode active" message.
-
--   **🎨 Creator Selection Button:**
-    -   **Icon:** 🎨 (Artist Palette)
-    -   **Location:** Next to the URL input field.
-    -   **Purpose:** Opens the "Creator Selection" dialog to easily add multiple creators to the URL field.
-    -   **Dialog Features:**
-        -   Loads creators from your `creators.json` file (expected in the app's directory).
-        -   **Search Bar:** Filter the list of creators by name.
-        -   **Creator List:** Displays creators with their service (e.g., Patreon, Fanbox) and ID.
-        -   **Selection:** Checkboxes to select one or more creators.
-        -   **"Add Selected to URL" Button:** Adds the names of selected creators to the URL input field, comma-separated.
-        -   **"Download Scope" Radio Buttons (`Characters` / `Creators`):** Determines the folder structure for items added via this popup.
-            -   `Characters`: Assumes creator names are character names for folder organization.
-            -   `Creators`: Uses the actual creator names for folder organization.
-
--   **Page Range (Start to End) Input Fields:**
-    -   **Purpose:** For creator URLs, specify a range of pages to fetch and process.
-    -   **Usage:** Enter the starting page number in the first field and the ending page number in the second.
-    -   **Behavior:**
-        -   If left blank, all pages for the creator are typically processed (or up to a reasonable limit).
-        -   Disabled for single post URLs or when **📖 Manga/Comic Mode** is active (as manga mode fetches all posts for chronological sorting).
-
--   **📁 Download Location Input Field & Browse Button:**
-    -   **Purpose:** Specify the main directory where all downloaded files and folders will be saved.
-    -   **Usage:**
-        -   Type or paste the path directly into the field.
-        -   Click the **"Browse..."** button to open a system dialog to select a folder.
-    -   **Requirement:** This field must be filled unless you are using the "🔗 Only Links" filter mode.
-
-### 2. Action Buttons
-
--   **⬇️ Start Download / 🔗 Extract Links Button:**
-    -   **Purpose:** The primary action button to begin the downloading or link extraction process based on current settings.
-    -   **Behavior:**
-        -   If "🔗 Only Links" filter is selected, the button text changes to **"🔗 Extract Links"** and it will only gather external links from posts.
-        -   Otherwise, it reads **"⬇️ Start Download"** and initiates the content download.
-
--   **⏸️ Pause / ▶️ Resume Download Button:**
-    -   **Purpose:** Temporarily halt or continue the ongoing download/extraction process.
-    -   **Behavior:**
-        -   When active, the button shows **"⏸️ Pause Download"**. Clicking it pauses the operation.
-        -   When paused, the button shows **"▶️ Resume Download"**. Clicking it resumes from where it left off.
-        -   Some UI settings can be changed while paused (e.g., filter adjustments), which will apply upon resuming.
-
--   **❌ Cancel & Reset UI Button:**
-    -   **Purpose:** Immediately stops the current download/extraction operation and performs a "soft" reset of the UI.
-    -   **Behavior:**
-        -   Halts all active threads and processes.
-        -   Clears progress information and logs.
-        -   Preserves the content of the "🔗 Kemono Creator/Post URL" and "📁 Download Location" input fields. Other settings are reset to their defaults.
-
--   **🔄 Reset Button (located in the log area):**
-    -   **Purpose:** Performs a "hard" reset of the UI when no operation is active.
-    -   **Behavior:**
-        -   Clears all input fields (including URL and Download Location).
-        -   Resets all filter settings and options to their default values.
-        -   Clears the log area.
-
----
-
-## Filtering & Content Selection
-
-These options allow you to precisely control what content is downloaded or skipped.
-
--   **🎯 Filter by Character(s) Input Field:**
-    -   **Purpose:** Download content related to specific characters.
-    -   **Usage:** Enter character names, comma-separated.
-    -   **Advanced Syntax:**
-        -   `Nami`: Simple character filter. Matches "Nami".
-        -   `(Vivi, Ulti, Uta)`: Grouped characters. Matches "Vivi" OR "Ulti" OR "Uta". If "Separate Folders" is on, creates a shared folder for the session (e.g., "Vivi Ulti Uta"). Adds "Vivi", "Ulti", "Uta" as *separate* entries to `Known.txt` if new.
-        -   `(Boa, Hancock)~`: Aliased characters. Matches "Boa" OR "Hancock" but treats them as the same entity. If "Separate Folders" is on, creates a shared folder (e.g., "Boa Hancock"). Adds "Boa Hancock" as a *single group entry* to `Known.txt` if new, with "Boa" and "Hancock" as its aliases.
-
--   **Filter: [Type] Button (Scope for Character Filter):**
-    -   **Location:** Next to the "Filter by Character(s)" input.
-    -   **Purpose:** Defines how the character filter is applied. Cycles through options on click.
-    -   **Options:**
-        -   `Filter: Files`: Checks individual filenames against the character filter. Only matching files from a post are downloaded.
-        -   `Filter: Title` (Default): Checks post titles against the character filter. If the title matches, all files from that post are downloaded.
-        -   `Filter: Both`: Checks the post title first. If no match, then checks individual filenames within that post.
-        -   `Filter: Comments (Beta)`: Checks filenames first. If no file match, then checks post comments/description. (Note: This may use more API requests).
-
--   **🚫 Skip with Words Input Field:**
-    -   **Purpose:** Exclude posts or files containing specified keywords.
-    -   **Usage:** Enter words or phrases, comma-separated (e.g., `WIP, sketch, preview`).
-
--   **Scope: [Type] Button (Scope for Skip with Words):**
-    -   **Location:** Next to the "Skip with Words" input.
-    -   **Purpose:** Defines how the skip words are applied. Cycles through options on click.
-    -   **Options:**
-        -   `Scope: Files`: Skips individual files if their names contain any of the skip words.
-        -   `Scope: Posts` (Default): Skips entire posts if their titles contain any of the skip words.
-        -   `Scope: Both`: Checks the post title first. If no skip words match, then checks individual filenames.
-
--   **✂️ Remove Words from name Input Field:**
-    -   **Purpose:** Clean up downloaded filenames by removing specified unwanted words or phrases.
-    -   **Usage:** Enter words or phrases, comma-separated (e.g., `patreon, [HD], kemono`).
-
--   **Filter Files (Radio Buttons):**
-    -   **Purpose:** Select the types of files to download.
-    -   **Options:**
-        -   `All`: Download all file types attached to posts.
-        -   `Images/GIFs`: Download only common image formats (JPG, PNG, GIF, WebP, etc.).
-        -   `Videos`: Download only common video formats (MP4, MOV, MKV, WebM, etc.).
-        -   `📦 Only Archives`: Exclusively download `.zip` and `.rar` files. This mode disables the "Skip .zip/.rar" checkboxes and the "Show External Links in Log" feature.
-        -   `🎧 Only Audio`: Download only common audio formats (MP3, WAV, FLAC, OGG, etc.).
-        -   `🔗 Only Links`: Do not download any files. Instead, extract and display external links found in post descriptions in the log area. The main action button changes to "🔗 Extract Links".
-
--   **Skip .zip / Skip .rar Checkboxes:**
-    -   **Purpose:** Individually choose to skip downloading `.zip` files or `.rar` files.
-    -   **Behavior:** Disabled if the "📦 Only Archives" filter is active.
-
----
-
-## Download Customization
-
-Options to further refine the download process and output.
-
--   **Download Thumbnails Only Checkbox:**
-    -   **Purpose:** Download only the small preview images (thumbnails) provided by the API, instead of full-resolution files.
-    -   **Behavior:** If "**Scan Content for Images**" is also active, this option's behavior changes: *only* images found by the content scan (embedded `<img>` tags) are downloaded as thumbnails (API thumbnails are ignored).
-
--   **Scan Content for Images Checkbox:**
-    -   **Purpose:** Actively scan the HTML content of posts for `<img>` tags and direct image links. This is crucial for downloading images embedded in post descriptions that are not listed as direct attachments in the API response.
-    -   **Behavior:** Resolves relative image paths to absolute URLs for downloading.
-
--   **Compress to WebP Checkbox:**
-    -   **Purpose:** Convert downloaded images to WebP format to potentially save disk space.
-    -   **Requirement:** Requires the `Pillow` library to be installed.
-    -   **Behavior:** Attempts to convert images larger than a certain threshold (e.g., 1.5MB) to WebP if the WebP version is significantly smaller. Original files are not kept if conversion is successful.
-
--   **🗄️ Custom Folder Name (Single Post Only) Input Field:**
-    -   **Purpose:** When downloading a single post URL, allows you to specify a custom name for the folder where its contents will be saved.
-    -   **Visibility:** Only appears if:
-        1.  A single post URL is entered in the main URL field.
-        2.  The "**Separate Folders by Name/Title**" option is enabled.
-
----
-
-## 📖 Manga/Comic Mode
-
-Specialized mode for downloading creator feeds in a way suitable for sequential reading, like manga or comics. This mode is implicitly active when downloading from a creator URL and certain filename styles are chosen.
-
--   **Activation:** Primarily by downloading a creator's feed (not a single post) and selecting a relevant "Filename Style".
--   **Core Behavior:** Processes and downloads posts from the creator's feed in chronological order (oldest to newest). The "Page Range" input is typically disabled as all posts are fetched for correct sorting.
-
--   **Filename Style Toggle Button (located in the log area):**
-    -   **Purpose:** Controls how files are named when downloading in a manga/comic-like fashion. Cycles through options on click.
-    -   **Options:**
-        -   `Name: Post Title` (Default for non-manga): The first file in a post is named after the post title; subsequent files in the *same post* keep their original names.
-        -   `Name: Original File`: All downloaded files attempt to keep their original filenames as provided by the server. An optional "Filename Prefix" input field appears.
-        -   `Name: Title+G.Num`: (Global Numbering) All files across all downloaded posts for the creator get a prefix from their respective post's title, followed by a global sequential number (e.g., `Chapter 1_001.jpg`, `Chapter 1_002.jpg`, `Chapter 2_003.jpg`). This ensures strict order across posts. Disables post-level multithreading for sequential numbering.
-        -   `Name: Date Based`: Files are named sequentially (e.g., `001.jpg`, `002.jpg`) based on the post's publication date. An optional "Filename Prefix" input field appears. Disables post-level multithreading.
-
--   **Optional Filename Prefix Input Field (Manga Mode):**
-    -   **Visibility:** Appears when "Filename Style" is set to `Name: Original File` or `Name: Date Based`.
-    -   **Purpose:** Allows you to add a custom prefix to all filenames generated using these styles (e.g., `MySeries_001.jpg`).
-
----
-
-## Folder Organization
-
-Controls for how downloaded content is structured into folders.
-
--   **Separate Folders by Name/Title Checkbox:**
-    -   **Purpose:** Creates subfolders within the main "Download Location" based on matching criteria.
-    -   **Behavior:**
-        -   If "**Filter by Character(s)**" is used, folders are named after the matched character(s)/group(s).
-        -   If no character filter matches (or no filter is active), but the post title matches an entry in `Known.txt`, a folder named after the `Known.txt` entry is created.
-        -   If neither of the above, and this option is checked, folders might be created based on post titles directly (behavior can vary).
-
--   **Subfolder per Post Checkbox:**
-    -   **Purpose:** Creates an additional layer of subfolders, where each individual post's content goes into its own subfolder.
-    -   **Behavior:** Only active if "**Separate Folders by Name/Title**" is also checked. The post subfolder will be created *inside* the character/title folder. Folder names are typically derived from sanitized post titles or IDs.
-
--   **`Known.txt` Management UI (Bottom Left of UI):**
-    -   **Purpose:** Manages a local list (`Known.txt` file in the app directory) of series, characters, or general terms used for automatic folder organization and character filter suggestions.
-    -   **Elements:**
-        -   **List Display:** Shows the primary names from your `Known.txt` file.
-        -   **Add New Input Field:** Enter a new name or group to add to `Known.txt`.
-            -   Simple Name: e.g., `My Series`
-            -   Group (creates separate entries in `Known.txt`): e.g., `(Vivi, Ulti, Uta)`
-            -   Group with Aliases (single entry in `Known.txt` with `~`): e.g., `(Boa, Hancock)~`
-        -   **➕ Add Button:** Adds the entry from the "Add New" field to `Known.txt` and refreshes the list.
-        -   **⤵️ Add to Filter Button:** Opens a dialog displaying all entries from `Known.txt` (with a search bar). Select one or more entries to add them to the "**🎯 Filter by Character(s)**" input field. Grouped names from `Known.txt` are added with the `~` syntax if applicable.
-        -   **🗑️ Delete Selected Button:** Removes the currently selected name(s) from the list display and from the `Known.txt` file.
-        -   **Open Known.txt Button:** Opens your `Known.txt` file in the system's default text editor for manual editing.
-        -   **❓ Help Button (Known.txt):** Opens a guide or tooltip explaining the `Known.txt` feature and syntax.
-
----
-
-## ⭐ Favorite Mode (Kemono.su Only)
-
-Download directly from your favorited artists and posts on Kemono.su.
-
--   **Enable Checkbox ("⭐ Favorite Mode"):**
-    -   **Location:** Usually near the "🔗 Only Links" filter option.
-    -   **Purpose:** Switches the downloader to operate on your Kemono.su favorites.
-    -   **UI Changes upon Enabling:**
-        -   The "🔗 Kemono Creator/Post URL" input field is disabled/replaced with a "Favorite Mode active" message.
-        -   The main action buttons change to "**🖼️ Favorite Artists**" and "**📄 Favorite Posts**".
-        -   The "**🍪 Use Cookie**" option is automatically enabled and locked, as cookies are required to access your favorites.
-
--   **🖼️ Favorite Artists Button & Dialog:**
-    -   **Purpose:** Fetches and allows you to download content from artists you have favorited on Kemono.su.
-    -   **Dialog Features:**
-        -   Fetches the list of your favorited artists.
-        -   **Search Bar:** Filter artists by name.
-        -   **Artist List:** Displays favorited artists.
-        -   **Select All / Deselect All:** Convenience buttons for selection.
-        -   **"Download Selected" Button:** Queues all posts from the selected artists for download, respecting current filter settings.
-
--   **📄 Favorite Posts Button & Dialog:**
-    -   **Purpose:** Fetches and allows you to download specific posts you have favorited on Kemono.su.
-    -   **Dialog Features:**
-        -   Fetches the list of your favorited posts, usually grouped by artist and sorted by date.
-        -   **Search Bar:** Filter posts by title, creator name, ID, or service.
-        -   **Post List:** Displays favorited posts. Known names from your `Known.txt` may be highlighted in post titles for easier identification.
-        -   **Select All / Deselect All:** Convenience buttons for selection.
-        -   **"Download Selected" Button:** Queues the selected individual posts for download, respecting current filter settings.
-
--   **Favorite Download Scope Button (Location may vary, often near Favorite Posts button):**
-    -   **Purpose:** Determines the folder structure for downloads initiated via Favorite Mode.
-    -   **Options:**
-        -   `Scope: Selected Location`: All selected favorites (artists or posts) are downloaded directly into the main "📁 Download Location". Global filters apply.
-        -   `Scope: Artist Folders`: A subfolder is created for each artist within the main "📁 Download Location" (e.g., `DownloadLocation/ArtistName/`). Content from that artist (whether a full artist download or specific favorited posts from them) goes into their respective subfolder. Filters apply within each artist's context.
-
----
-
-## Advanced & Performance
-
--   **🍪 Cookie Management:**
-    -   **Use Cookie Checkbox:** Enables the use of browser cookies for accessing content that might be restricted or require login (e.g., certain posts, Favorite Mode).
-    -   **Cookie Text Field:**
-        -   **Purpose:** Directly paste your cookie string.
-        -   **Format:** Standard HTTP cookie string format (e.g., `name1=value1; name2=value2`).
-    -   **Browse... Button (for Cookies):**
-        -   **Purpose:** Select a `cookies.txt` file from your system.
-        -   **Format:** Must be in Netscape cookie file format.
-    -   **Behavior:**
-        -   The text field takes precedence if filled.
-        -   If "Use Cookie" is checked and both the text field and browsed file path are empty, the application will attempt to automatically load a `cookies.txt` file from its root directory.
-
--   **Use Multithreading Checkbox & Threads Input Field:**
-    -   **Purpose:** Enable and configure the number of simultaneous operations to potentially speed up downloads.
-    -   **Behavior:**
-        -   **Creator Feeds:** The "Threads" input controls how many posts are processed concurrently.
-        -   **Single Post URLs:** The "Threads" input controls how many files from that single post are downloaded concurrently.
-    -   **Note:** Setting too high a number might lead to API rate-limiting or instability.
-
--   **Multi-part Download Toggle Button (located in the log area):**
-    -   **Purpose:** Enables/disables multi-segment downloading for individual large files.
-    -   **Options:**
-        -   `Multi-part: ON`: Large files are split into multiple parts that are downloaded simultaneously and then reassembled. Can significantly speed up downloads for single large files but may increase UI choppiness or log spam with many small files.
-        -   `Multi-part: OFF` (Default): Files are downloaded as a single stream.
-    -   **Behavior:** Disabled if "🔗 Only Links" or "📦 Only Archives" mode is active.
-
----
-
-## Logging & Monitoring
-
--   **📜 Progress Log / Extracted Links Log Area:**
-    -   **Purpose:** The main text area displaying detailed messages about the ongoing process.
-    -   **Content:** Shows download progress for each file, errors encountered, skipped items, summary information, or extracted links (if in "🔗 Only Links" mode).
-
--   **👁️ / 🙈 Log View Toggle Button:**
-    -   **Purpose:** Switches the content displayed in the main log area.
-    -   **Views:**
-        -   `👁️ Progress Log` (Default): Shows all download activity, errors, and general progress messages.
-        -   `🙈 Missed Character Log`: Shows a list of key terms intelligently extracted from post titles or content that were skipped due to the "**🎯 Filter by Character(s)**" not matching. Useful for identifying characters you might want to add to your filter or `Known.txt`.
-
--   **Show External Links in Log Checkbox & Panel:**
-    -   **Purpose:** If checked, a secondary, smaller log panel appears (usually below the main log) that specifically displays any external links (e.g., to Mega, Google Drive) found in post descriptions.
-    -   **Behavior:** Disabled if "🔗 Only Links" or "📦 Only Archives" mode is active (as "Only Links" uses the main log, and archives typically don't have such external links processed).
-
--   **Export Links Button:**
-    -   **Visibility:** Appears when the "**🔗 Only Links**" filter mode is active.
-    -   **Purpose:** Saves all the links extracted and displayed in the main log area to a `.txt` file.
-
--   **Progress Labels/Bars:**
-    -   **Purpose:** Provide a visual and textual representation of the download progress.
-    -   **Typically Includes:**
-        -   Overall post progress (e.g., "Post 5 of 20").
-        -   Individual file download status (e.g., "Downloading file.zip... 50% at 1.2 MB/s").
-        -   Summary statistics at the end of a session (total downloaded, skipped, failed).
-
----
-## Error Handling & Retries
-
--   **🆘 Error Button (Main UI):**
-    -   **Location:** Typically near the main action buttons (e.g., Start, Pause, Cancel).
-    -   **Purpose:** Becomes active if files failed to download during the last session (and were not successfully retried). Clicking it opens the "Files Skipped Due to Errors" dialog.
-    -   **"Files Skipped Due to Errors" Dialog:**
-        -   **File List:** Displays a list of files that encountered download errors. Each entry shows the filename, the post it was from (title and ID).
-        -   **Checkboxes:** Allows selection of individual files from the list.
-        -   **"Select All" Button:** Checks all files in the list.
-        -   **"Retry Selected" Button:** Attempts to re-download all checked files.
-        -   **"Export URLs to .txt" Button:**
-            -   Opens an "Export Options" dialog.
-            -   **"Link per line (URL only)":** Exports only the direct download URL for each failed file, one URL per line.
-            -   **"Export with details (URL [Post, File info])":** Exports the URL followed by details like Post Title, Post ID, and Original Filename in brackets.
-            -   Prompts the user to save the generated `.txt` file.
-        -   **"OK" Button:** Closes the dialog.
-    -   **Note:** Files successfully retried or skipped due to hash match during a retry attempt are removed from this error list.
----
-
-## ⚙️ Application Settings
-
-These settings allow you to customize the application's appearance and language.
-
--   **⚙️ Settings Button (Icon may vary, e.g., a gear ⚙️):**
-    -   **Location:** Typically located in a persistent area of the UI, possibly near other global controls or in a menu.
-    -   **Purpose:** Opens the "Settings" dialog.
-    -   **Tooltip Example:** "Open application settings (Theme, Language, etc.)"
-
--   **"Settings" Dialog:**
-    -   **Title:** "Settings"
-    -   **Purpose:** Provides options to configure application-wide preferences.
-    -   **Sections:**
-        -   **Appearance Group (`Appearance`):**
-            -   **Theme Toggle Buttons/Options:**
-                -   `Switch to Light Mode`
-                -   `Switch to Dark Mode`
-                -   **Purpose:** Allows users to switch between a light and dark visual theme for the application.
-                -   **Tooltips:** Provide guidance on switching themes.
-        -   **Language Settings Group (`Language Settings`):**
-            -   **Language Selection Dropdown/List:**
-                -   **Label:** "Language:"
-                -   **Options:** Includes, but not limited to:
-                    -   English (`English`)
-                    -   日本語 (`日本語 (Japanese)`)
-                    -   Français (French)
-                    -   Español (Spanish)
-                    -   Deutsch (German)
-                    -   Русский (Russian)
-                    -   한국어 (Korean)
-                    -   简体中文 (Chinese Simplified)
-                -   **Purpose:** Allows users to change the display language of the application interface.
-            -   **Restart Prompt:** After changing the language, a dialog may appear:
-                -   **Title:** "Language Changed"
-                -   **Message:** "The language has been changed. A restart is required for all changes to take full effect."
-                -   **Informative Text:** "Would you like to restart the application now?"
-                -   **Buttons:** "Restart Now", "OK" (or similar to defer restart).
-    -   **"OK" Button:** Saves the changes made in the Settings dialog and closes it.
----
-
-## Other UI Elements
-
--   **Retry Failed Downloads Prompt:**
-    -   **Trigger:** Appears at the end of a download session if there were files that failed to download due to recoverable errors (e.g., network interruption, IncompleteRead).
-    -   **Action:** Prompts the user if they want to attempt downloading the failed files again.
-
--   **New Name Confirmation Dialog (for Character Filter & `Known.txt`):**
-    -   **Trigger:** When new, unrecognized names or groups are used in the "**🎯 Filter by Character(s)**" field that are not present in `Known.txt`.
-    -   **Action:** Prompts the user to confirm if they want to add these new names/groups to `Known.txt` with the appropriate formatting (simple, grouped, or aliased).
-
--   **Onboarding Tour / Help Guide Button (❓):**
-    -   **Purpose:** Opens a built-in help guide or an onboarding tour that explains the basic functionalities and UI elements of the application. Often linked to this detailed feature guide.
-
----
-
-This guide should cover all interactive elements of the Kemono Downloader. If you have further questions or discover elements not covered, please refer to the main `readme.md` or consider opening an issue on the project's repository.
+### 1.1. Core Inputs
+**🔗 Creator/Post URL Input Field**  
+- **Purpose**: Paste the URL of the content you want to download.  
+- **Supported Sites**: Kemono.su, Coomer.party, Simpcity.su.  
+- **Supported URL Types**:  
+  - Creator pages (e.g., `https://kemono.su/patreon/user/12345`).  
+  - Individual posts (e.g., `https://kemono.su/patreon/user/12345/post/98765`).  
+- **Note**: When ⭐ Favorite Mode is active, this field is disabled. For Simpcity.su URLs, the "Use Cookie" option is mandatory and auto-enabled.
+
+**🎨 Creator Selection Button**  
+- **Icon**: 🎨 (Artist Palette)  
+- **Purpose**: Opens the "Creator Selection" dialog to browse and queue downloads from known creators.  
+- **Dialog Features**:  
+  - Loads creators from `creators.json`.  
+  - **Search Bar**: Filter creators by name.  
+  - **Creator List**: Displays creators with their service (e.g., Patreon, Fanbox).  
+  - **Selection**: Checkboxes to select one or more creators.  
+  - **Download Scope**: Organize downloads by Characters or Creators.  
+  - **Add to Queue**: Adds selected creators or their posts to the download queue.
+
+**Page Range (Start to End) Input Fields**  
+- **Purpose**: Specify a range of pages to fetch for creator URLs.  
+- **Usage**: Enter the starting and ending page numbers.  
+- **Behavior**:  
+  - If blank, all pages are processed.  
+  - Disabled for single post URLs.
+
+**📁 Download Location Input Field & Browse Button**  
+- **Purpose**: Specify the main directory for downloaded files.  
+- **Usage**: Type the path or click "Browse..." to select a folder.  
+- **Requirement**: Mandatory for all download operations.
+
+### 1.2. Action Buttons
+**⬇️ Start Download / 🔗 Extract Links Button**  
+- **Purpose**: Initiates downloading or link extraction.  
+- **Behavior**:  
+  - Shows "🔗 Extract Links" if "Only Links" is selected.  
+  - Otherwise, shows "⬇️ Start Download".  
+  - Supports single-threaded or multi-threaded downloads based on settings.
+
+**🔄 Restore Download Button**  
+- **Visibility**: Appears if an incomplete session is detected on startup.  
+- **Purpose**: Resumes a previously interrupted download session.
+
+**⏸️ Pause / ▶️ Resume Download Button**  
+- **Purpose**: Pause or resume the ongoing download.  
+- **Behavior**: Toggles between "Pause" and "Resume". Some UI settings can be changed while paused.
+
+**❌ Cancel & Reset UI Button**  
+- **Purpose**: Stops the current operation and performs a "soft" reset.  
+- **Behavior**: Halts background threads, preserves URL and Download Location inputs, resets other settings.
+
+**🔄 Reset Button (in the log area)**  
+- **Purpose**: Performs a "hard" reset when no operation is active.  
+- **Behavior**: Clears all inputs, resets options to default, and clears logs.
+
+## 2. Filtering & Content Selection
+These options allow precise control over downloaded content.
+
+### 2.1. Content Filtering
+**🎯 Filter by Character(s) Input Field**  
+- **Purpose**: Download content related to specific characters or series.  
+- **Usage**: Enter comma-separated character names.  
+- **Advanced Syntax**:  
+  - `Nami`: Simple filter.  
+  - `(Vivi, Ulti)`: Grouped filter. Matches posts with "Vivi" OR "Ulti". Creates a shared folder like `Vivi Ulti` if subfolders are enabled.  
+  - `(Boa, Hancock)~`: Aliased filter. Treats "Boa" and "Hancock" as the same entity.
+
+**Filter: [Type] Button (Character Filter Scope)**  
+- **Purpose**: Defines where the character filter is applied. Cycles on click.  
+- **Options**:  
+  - **Filter: Title** (Default): Matches post titles.  
+  - **Filter: Files**: Matches filenames.  
+  - **Filter: Both**: Checks title first, then filenames.  
+  - **Filter: Comments (Beta)**: Checks filenames, then post comments.
+
+**🚫 Skip with Words Input Field**  
+- **Purpose**: Exclude posts/files with specified keywords (e.g., `WIP`, `sketch`).
+
+**Scope: [Type] Button (Skip Words Scope)**  
+- **Purpose**: Defines where skip words are applied. Cycles on click.  
+- **Options**:  
+  - **Scope: Posts** (Default): Skips posts if the title contains a skip word.  
+  - **Scope: Files**: Skips files if the filename contains a skip word.  
+  - **Scope: Both**: Applies both rules.
+
+**✂️ Remove Words from Name Input Field**  
+- **Purpose**: Remove unwanted text from filenames (e.g., `patreon`, `[HD]`).
+
+### 2.2. File Type Filtering
+**Filter Files (Radio Buttons)**  
+- **Purpose**: Select file types to download.  
+- **Options**:  
+  - **All**: All file types.  
+  - **Images/GIFs**: Common image formats.  
+  - **Videos**: Common video formats.  
+  - **🎧 Only Audio**: Common audio formats.  
+  - **📦 Only Archives**: Only `.zip` and `.rar` files.  
+  - **🔗 Only Links**: Extracts external links without downloading files.
+
+**Skip .zip / Skip .rar Checkboxes**  
+- **Purpose**: Skip downloading `.zip` or `.rar` files.  
+- **Behavior**: Disabled when "📦 Only Archives" is active.
+
+## 3. Download Customization
+Options to refine the download process and output.
+
+- **Download Thumbnails Only**: Downloads small preview images instead of full-resolution files.  
+- **Scan Content for Images**: Scans post HTML for `<img>` tags, crucial for images in descriptions.  
+- **Compress to WebP**: Converts images to WebP format (requires Pillow library).  
+- **🗄️ Custom Folder Name (Single Post Only)**: Specify a custom folder name for a single post's content (appears if subfolders are enabled).
+
+## 4. 📖 Manga/Comic Mode
+A mode for downloading creator feeds in chronological order, ideal for sequential content.
+
+- **Activation**: Active when downloading a creator's entire feed (not a single post).  
+- **Core Behavior**: Fetches all posts, processing from oldest to newest.  
+- **Filename Style Toggle Button (in the log area)**:  
+  - **Purpose**: Controls file naming in Manga Mode. Cycles on click.  
+  - **Options**:  
+    - **Name: Post Title**: First file named after post title; others keep original names.  
+    - **Name: Original File**: Files keep server-provided names, with optional prefix.  
+    - **Name: Title+G.Num**: Global numbering with post title prefix (e.g., `Chapter 1_001.jpg`).  
+    - **Name: Date Based**: Sequential naming by post date (e.g., `001.jpg`), with optional prefix.  
+    - **Name: Post ID**: Files named after post ID to avoid clashes.  
+    - **Name: Date + Title**: Combines post date and title for filenames.
+
+## 5. Folder Organization & Known.txt
+Controls for structuring downloaded content.
+
+- **Separate Folders by Name/Title Checkbox**: Enables automatic subfolder creation.  
+- **Subfolder per Post Checkbox**: Creates subfolders for each post, named after the post title.  
+- **Known.txt Management UI (Bottom Left)**:  
+  - **Purpose**: Manages a local `Known.txt` file for series, characters, or terms used in folder creation.  
+  - **List Display**: Shows primary names from `Known.txt`.  
+  - **➕ Add Button**: Adds names or groups (e.g., `(Character A, Alias B)~`).  
+  - **⤵️ Add to Filter Button**: Select names from `Known.txt` for the character filter.  
+  - **🗑️ Delete Selected Button**: Removes selected names from `Known.txt`.  
+  - **Open Known.txt Button**: Opens the file in the default text editor.  
+  - **❓ Help Button**: Opens this feature guide.  
+  - **📜 History Button**: Views recent download history.
+
+## 6. ⭐ Favorite Mode (Kemono.su Only)
+Download from favorited artists/posts on Kemono.su.
+
+- **Enable Checkbox ("⭐ Favorite Mode")**:  
+  - Switches to Favorite Mode.  
+  - Disables the main URL input.  
+  - Changes action buttons to "Favorite Artists" and "Favorite Posts".  
+  - Requires cookies.  
+- **🖼️ Favorite Artists Button**: Select and download from favorited artists.  
+- **📄 Favorite Posts Button**: Select and download specific favorited posts.  
+- **Favorite Download Scope Button**:  
+  - **Scope: Selected Location**: Downloads favorites to the main directory.  
+  - **Scope: Artist Folders**: Creates subfolders per artist.
+
+## 7. Advanced Settings & Performance
+- **🍪 Cookie Management**:  
+  - **Use Cookie Checkbox**: Enables cookies for restricted content.  
+  - **Cookie Text Field**: Paste cookie string.  
+  - **Browse... Button**: Select a `cookies.txt` file (Netscape format).  
+- **Use Multithreading Checkbox & Threads Input**:  
+  - **Purpose**: Configures simultaneous operations.  
+  - **Behavior**: Sets concurrent post processing (creator feeds) or file downloads (single posts).  
+- **Multi-part Download Toggle Button**:  
+  - **Purpose**: Enables/disables multi-segment downloading for large files.  
+  - **Note**: Best for large files; less efficient for small files.
+
+## 8. Logging, Monitoring & Error Handling
+- **📜 Progress Log Area**: Displays messages, progress, and errors.  
+- **👁️ / 🙈 Log View Toggle Button**: Switches between Progress Log and Missed Character Log (skipped posts).  
+- **Show External Links in Log**: Displays external links (e.g., Mega, Google Drive) in a secondary panel.  
+- **Export Links Button**: Saves extracted links to a `.txt` file in "Only Links" mode.  
+- **Download Extracted Links Button**: Downloads files from supported external links in "Only Links" mode.  
+- **🆘 Error Button & Dialog**:  
+  - **Purpose**: Active if files fail to download.  
+  - **Dialog Features**:  
+    - Lists failed files.  
+    - Retry failed downloads.  
+    - Export failed URLs to a text file.
+
+## 9. Application Settings (⚙️)
+- **Appearance**: Switch between Light and Dark themes.  
+- **Language**: Change UI language (restart required).

note.md

@@ -0,0 +1,93 @@
+# 🛠️ KemonoDownloader Refactor Notes
+
+## What's Going On
+
+This project used to be one giant messy App Script. It worked, but it was hard to maintain or expand. So I cleaned it up and split everything into smaller, more manageable files to make it easier to read, update, and add new stuff later.
+
+**⚠️ Heads up:** Since I'm still in the middle of refactoring things, some features might be broken or not working right now. The layout is better, but I still need to update some parts of the logic and dependencies.
+
+---
+
+## 📁 Folder Layout
+
+```
+KemonoDownloader/
+├── main.py                      # Where the app starts
+├── assets/                      # Icons and other static files
+│   └── Kemono.ico
+├── data/ 
+│   └── creators.json
+├── logs/                        # Error logs and other output
+│   └── uncaught_exceptions.log
+└── src/                         # Main code lives here
+    ├── __init__.py
+    ├── ui/                      # UI-related code
+    │   ├── __init__.py
+    │   ├── main_window.py
+    │   └── dialogs/
+    │       ├── __init__.py
+    │       ├── ConfirmAddAllDialog.py
+    │       ├── CookieHelpDialog.py
+    │       ├── DownloadExtractedLinksDialog.py
+    │       ├── DownloadFinishedDialog.py
+    │       └── ... (more dialogs)
+    ├── core/                    # The brain of the app
+    │   ├── __init__.py
+    │   ├── manager.py
+    │   ├── workers.py
+    │   └── api_client.py
+    ├── services/                # Downloading stuff happens here
+    │   ├── __init__.py
+    │   ├── drive_downloader.py
+    │   └── multipart_downloader.py
+    ├── utils/                   # Helper functions
+    │   ├── __init__.py
+    │   ├── file_utils.py
+    │   ├── network_utils.py
+    │   └── text_utils.py
+    ├── config/                  # Constants and settings
+    │   ├── __init__.py
+    │   └── constants.py
+    └── i18n/                    # Translations (if needed)
+        ├── __init__.py
+        └── translator.py
+```
+
+---
+
+## ✅ Why Bother Refactoring?
+
+- Everything’s now broken into smaller parts, so it’s easier to work with.
+- Easier to test, fix, and add stuff.
+- Prepping the project to grow without becoming a mess again.
+- Separated the UI from the app logic so they don’t get tangled.
+
+---
+
+## 🚧 What’s Still Broken
+
+- Some features don’t work yet or haven’t been tested since the changes.
+- Still need to:
+  - Reconnect the UI to the updated logic.
+  - Move over some of the old script code into proper modules.
+  - Make sure settings and cookies work properly in the new setup.
+
+---
+
+## 📌 To-Do List
+
+- Test all the dialogs and UI stuff.
+- Make sure the download services and API calls are working.
+- Reconnect the UI with the new logic in `core/manager.py`.
+- Add more logging and maybe some unit tests too.
+
+---
+
+## 🐞 Found a Bug?
+
+If something's busted:
+
+- Feel free to open an issue if you're using this.
+- Or just message me. Feedback helps a lot while I’m still figuring things out.
+
+Thanks for checking it out! Still a work in progress, but getting there.

readme.md

@@ -1,31 +1,25 @@
-<h1 align="center">Kemono Downloader v5.2.0</h1>
+<h1 align="center">Kemono Downloader v5.6.0</h1>
 
 <table align="center">
   <tr>
     <td align="center">
-      <img src="Read/Read.png" alt="Post Downloader Tab" width="400"/>
-      <br>
+      <img src="Read/Read.png" alt="Default Mode" width="400"/><br>
       <strong>Default</strong>
     </td>
     <td align="center">
-      <img src="Read/Read1.png" alt="Creator Downloader Tab" width="400"/>
-      <br>
+      <img src="Read/Read1.png" alt="Favorite Mode" width="400"/><br>
       <strong>Favorite mode</strong>
     </td>
   </tr>
   <tr>
     <td align="center">
-      <img src="Read/Read2.png" alt="Settings Tab" width="400"/>
-      <br>
+      <img src="Read/Read2.png" alt="Single Post" width="400"/><br>
       <strong>Single Post</strong>
     </td>
     <td align="center">
-      <img src="Read/Read3.png" alt="Settings Tab" width="400"/>
-      <br>
+      <img src="Read/Read3.png" alt="Manga/Comic Mode" width="400"/><br>
       <strong>Manga/Comic Mode</strong>
     </td>
-    <td align="center">
-    </td>
   </tr>
 </table>
 ---
@@ -35,9 +29,17 @@ Built with PyQt5, this tool is designed for users who want deep filtering capabi
 
 *This v5.0.0 release marks a significant feature milestone. Future updates are expected to be less frequent, focusing on maintenance and minor refinements.*
 *Update v5.2.0 introduces multi-language support, theme selection, and further UI refinements.*
+
 <p align="center">
-  <a href="features.md"><strong>📚 Full Feature List</strong></a> • 
-  <a href="LICENSE"><strong>📝 License</strong></a>
+  <a href="features.md">
+    <img alt="Features" src="https://img.shields.io/badge/📚%20Full%20Feature%20List-FFD700?style=for-the-badge&logoColor=black&color=FFD700">
+  </a>
+  <a href="LICENSE">
+    <img alt="License" src="https://img.shields.io/badge/📝%20License-90EE90?style=for-the-badge&logoColor=black&color=90EE90">
+  </a>
+  <a href="note.md">
+    <img alt="Note" src="https://img.shields.io/badge/⚠️%20Important%20Note-FFCCCB?style=for-the-badge&logoColor=black&color=FFCCCB">
+  </a>
 </p>
 
 ---
@@ -80,6 +82,20 @@ Kemono Downloader offers a range of features to streamline your content download
 
 ---
 
+## ✨ What's New in v5.3.0
+-   **Multi-Creator Post Fetching & Queuing:**
+    -   The **Creator Selection popup** (🎨 icon) has been significantly enhanced.
+    -   After selecting multiple creators, you can now click a new "**Fetch Posts**" button.
+    -   This will retrieve and display posts from all selected creators in a new view within the popup.
+    -   You can then browse these fetched posts (with search functionality) and select individual posts.
+    -   A new "**Add Selected Posts to Queue**" button allows you to add your chosen posts directly to the main download queue, streamlining the process of gathering content from multiple artists.
+    -   The traditional "**Add Selected to URL**" button is still available if you prefer to populate the main URL field with creator names.
+-   **Improved Favorite Download Queue Handling:**
+    -   When items are added to the download queue from the Creator Selection popup, the main URL input field will now display a placeholder message (e.g., "{count} items in queue from popup").
+    -   The queue is now more robustly managed, especially when interacting with the main URL input field after items have been queued from the popup.
+
+---
+
 ## ✨ What's New in v5.1.0
 -   **Enhanced Error File Management**: The "Error" button now opens a dialog listing files that failed to download. This dialog includes:
     -   An option to **retry selected** failed downloads.

src/__init__.py

@@ -0,0 +1 @@
+# ...existing code...

src/config/__init__.py

@@ -0,0 +1 @@
+# ...existing code...

src/config/constants.py

@@ -0,0 +1,113 @@
+# --- Application Metadata ---
+CONFIG_ORGANIZATION_NAME = "KemonoDownloader"
+CONFIG_APP_NAME_MAIN = "ApplicationSettings"
+CONFIG_APP_NAME_TOUR = "ApplicationTour"
+
+# --- Filename and Folder Naming Styles ---
+STYLE_POST_TITLE = "post_title"
+STYLE_ORIGINAL_NAME = "original_name"
+STYLE_DATE_BASED = "date_based"
+STYLE_DATE_POST_TITLE = "date_post_title"
+STYLE_POST_TITLE_GLOBAL_NUMBERING = "post_title_global_numbering"
+STYLE_POST_ID = "post_id"  # Add this line
+MANGA_DATE_PREFIX_DEFAULT = ""
+
+# --- Download Scopes ---
+SKIP_SCOPE_FILES = "files"
+SKIP_SCOPE_POSTS = "posts"
+SKIP_SCOPE_BOTH = "both"
+
+CHAR_SCOPE_TITLE = "title"
+CHAR_SCOPE_FILES = "files"
+CHAR_SCOPE_BOTH = "both"
+CHAR_SCOPE_COMMENTS = "comments"
+
+FAVORITE_SCOPE_SELECTED_LOCATION = "selected_location"
+FAVORITE_SCOPE_ARTIST_FOLDERS = "artist_folders"
+
+# --- Download Status Constants ---
+FILE_DOWNLOAD_STATUS_SUCCESS = "success"
+FILE_DOWNLOAD_STATUS_SKIPPED = "skipped"
+FILE_DOWNLOAD_STATUS_FAILED_RETRYABLE_LATER = "failed_retry_later"
+FILE_DOWNLOAD_STATUS_FAILED_PERMANENTLY_THIS_SESSION = "failed_permanent_session"
+
+# --- Threading and Performance ---
+MAX_THREADS = 200
+RECOMMENDED_MAX_THREADS = 50
+SOFT_WARNING_THREAD_THRESHOLD = 40
+MAX_FILE_THREADS_PER_POST_OR_WORKER = 10
+POST_WORKER_BATCH_THRESHOLD = 30
+POST_WORKER_NUM_BATCHES = 4
+POST_WORKER_BATCH_DELAY_SECONDS = 2.5
+MAX_POST_WORKERS_WHEN_COMMENT_FILTERING = 3
+
+# --- Multipart Download Settings ---
+MIN_SIZE_FOR_MULTIPART_DOWNLOAD = 10 * 1024 * 1024  # 10 MB
+MAX_PARTS_FOR_MULTIPART_DOWNLOAD = 15
+
+# --- UI and Settings Keys (for QSettings) ---
+TOUR_SHOWN_KEY = "neverShowTourAgainV19"
+MANGA_FILENAME_STYLE_KEY = "mangaFilenameStyleV1"
+SKIP_WORDS_SCOPE_KEY = "skipWordsScopeV1"
+ALLOW_MULTIPART_DOWNLOAD_KEY = "allowMultipartDownloadV1"
+USE_COOKIE_KEY = "useCookieV1"
+COOKIE_TEXT_KEY = "cookieTextV1"
+CHAR_FILTER_SCOPE_KEY = "charFilterScopeV1"
+THEME_KEY = "currentThemeV2"
+SCAN_CONTENT_IMAGES_KEY = "scanContentForImagesV1"
+LANGUAGE_KEY = "currentLanguageV1"
+DOWNLOAD_LOCATION_KEY = "downloadLocationV1"
+
+# --- UI Constants and Identifiers ---
+HTML_PREFIX = "<!HTML!>"
+LOG_DISPLAY_LINKS = "links"
+LOG_DISPLAY_DOWNLOAD_PROGRESS = "download_progress"
+
+# --- Dialog Return Codes ---
+CONFIRM_ADD_ALL_ACCEPTED = 1
+CONFIRM_ADD_ALL_SKIP_ADDING = 2
+CONFIRM_ADD_ALL_CANCEL_DOWNLOAD = 3
+
+# --- File Type Extensions ---
+IMAGE_EXTENSIONS = {
+    '.jpg', '.jpeg', '.png', '.gif', '.bmp', '.tiff', '.tif', '.webp',
+    '.heic', '.heif', '.svg', '.ico', '.jfif', '.pjpeg', '.pjp', '.avif'
+}
+VIDEO_EXTENSIONS = {
+    '.mp4', '.mov', '.mkv', '.webm', '.avi', '.wmv', '.flv', '.mpeg',
+    '.mpg', '.m4v', '.3gp', '.ogv', '.ts', '.vob'
+}
+ARCHIVE_EXTENSIONS = {
+    '.zip', '.rar', '.7z', '.tar', '.gz', '.bz2'
+}
+AUDIO_EXTENSIONS = {
+    '.mp3', '.wav', '.aac', '.flac', '.ogg', '.wma', '.m4a', '.opus',
+    '.aiff', '.ape', '.mid', '.midi'
+}
+
+# --- Text Processing Constants ---
+MAX_FILENAME_COMPONENT_LENGTH = 150
+
+# Words to ignore when creating folder names from titles
+FOLDER_NAME_STOP_WORDS = {
+    "a", "alone", "am", "an", "and", "at", "be", "by", "com",
+    "for", "he", "her", "his", "i", "im", "in", "is", "it", "its",
+    "me", "my", "net", "not", "of", "on", "or", "org", "our",
+    "s", "she", "so", "the", "their", "they", "this",
+    "to", "ve", "was", "we", "were", "with", "www", "you", "your",
+ # add more according to need     
+}
+
+# Additional words to ignore specifically for creator-level downloads
+CREATOR_DOWNLOAD_DEFAULT_FOLDER_IGNORE_WORDS = {
+    "poll", "cover", "fan-art", "fanart", "requests", "request", "holiday",
+    "batch", "open", "closed", "winner", "loser", "wip",
+    "update", "news", "discussion", "question", "stream", "video", "sketchbook",
+    # Months and days
+    "jan", "january", "feb", "february", "mar", "march", "apr", "april",
+    "may", "jun", "june", "jul", "july", "aug", "august", "sep", "september",
+    "oct", "october", "nov", "november", "dec", "december",
+    "mon", "monday", "tue", "tuesday", "wed", "wednesday", "thu", "thursday",
+    "fri", "friday", "sat", "saturday", "sun", "sunday"
+    # add more according to need 
+}

src/core/__init__.py

@@ -0,0 +1 @@
+# ...existing code...

src/core/api_client.py

@@ -0,0 +1,321 @@
+# --- Standard Library Imports ---
+import time
+import traceback
+from urllib.parse import urlparse
+
+# --- Third-Party Library Imports ---
+import requests
+
+# --- Local Application Imports ---
+from ..utils.network_utils import extract_post_info, prepare_cookies_for_request
+from ..config.constants import (
+    STYLE_DATE_POST_TITLE
+)
+
+
+def fetch_posts_paginated(api_url_base, headers, offset, logger, cancellation_event=None, pause_event=None, cookies_dict=None):
+    """
+    Fetches a single page of posts from the API with retry logic.
+
+    Args:
+        api_url_base (str): The base URL for the user's posts.
+        headers (dict): The request headers.
+        offset (int): The offset for pagination.
+        logger (callable): Function to log messages.
+        cancellation_event (threading.Event): Event to signal cancellation.
+        pause_event (threading.Event): Event to signal pause.
+        cookies_dict (dict): A dictionary of cookies to include in the request.
+
+    Returns:
+        list: A list of post data dictionaries from the API.
+
+    Raises:
+        RuntimeError: If the fetch fails after all retries or encounters a non-retryable error.
+    """
+    if cancellation_event and cancellation_event.is_set():
+        logger("   Fetch cancelled before request.")
+        raise RuntimeError("Fetch operation cancelled by user.")
+    if pause_event and pause_event.is_set():
+        logger("   Post fetching paused...")
+        while pause_event.is_set():
+            if cancellation_event and cancellation_event.is_set():
+                logger("   Post fetching cancelled while paused.")
+                raise RuntimeError("Fetch operation cancelled by user.")
+            time.sleep(0.5)
+        logger("   Post fetching resumed.")
+        
+    paginated_url = f'{api_url_base}?o={offset}'
+    max_retries = 3
+    retry_delay = 5
+
+    for attempt in range(max_retries):
+        if cancellation_event and cancellation_event.is_set():
+            raise RuntimeError("Fetch operation cancelled by user during retry loop.")
+
+        log_message = f"   Fetching: {paginated_url} (Page approx. {offset // 50 + 1})"
+        if attempt > 0:
+            log_message += f" (Attempt {attempt + 1}/{max_retries})"
+        logger(log_message)
+
+        try:
+            response = requests.get(paginated_url, headers=headers, timeout=(15, 90), cookies=cookies_dict)
+            response.raise_for_status()
+
+            if 'application/json' not in response.headers.get('Content-Type', '').lower():
+                logger(f"⚠️ Unexpected content type from API: {response.headers.get('Content-Type')}. Body: {response.text[:200]}")
+                return []
+
+            return response.json()
+
+        except (requests.exceptions.Timeout, requests.exceptions.ConnectionError) as e:
+            logger(f"   ⚠️ Retryable network error on page fetch (Attempt {attempt + 1}): {e}")
+            if attempt < max_retries - 1:
+                delay = retry_delay * (2 ** attempt)
+                logger(f"      Retrying in {delay} seconds...")
+                time.sleep(delay)
+                continue
+            else:
+                logger(f"   ❌ Failed to fetch page after {max_retries} attempts.")
+                raise RuntimeError(f"Timeout or connection error fetching offset {offset}")
+        except requests.exceptions.RequestException as e:
+            err_msg = f"Error fetching offset {offset}: {e}"
+            if e.response is not None:
+                err_msg += f" (Status: {e.response.status_code}, Body: {e.response.text[:200]})"
+            raise RuntimeError(err_msg)
+        except ValueError as e: # JSON decode error
+            raise RuntimeError(f"Error decoding JSON from offset {offset}: {e}. Response: {response.text[:200]}")
+
+    raise RuntimeError(f"Failed to fetch page {paginated_url} after all attempts.")
+
+
+def fetch_post_comments(api_domain, service, user_id, post_id, headers, logger, cancellation_event=None, pause_event=None, cookies_dict=None):
+    """Fetches all comments for a specific post."""
+    if cancellation_event and cancellation_event.is_set():
+        raise RuntimeError("Comment fetch operation cancelled by user.")
+
+    comments_api_url = f"https://{api_domain}/api/v1/{service}/user/{user_id}/post/{post_id}/comments"
+    logger(f"   Fetching comments: {comments_api_url}")
+    
+    try:
+        response = requests.get(comments_api_url, headers=headers, timeout=(10, 30), cookies=cookies_dict)
+        response.raise_for_status()
+        return response.json()
+    except requests.exceptions.RequestException as e:
+        raise RuntimeError(f"Error fetching comments for post {post_id}: {e}")
+    except ValueError as e:
+        raise RuntimeError(f"Error decoding JSON from comments API for post {post_id}: {e}")
+
+def download_from_api (
+api_url_input ,
+logger =print ,
+start_page =None ,
+end_page =None ,
+manga_mode =False ,
+cancellation_event =None ,
+pause_event =None ,
+use_cookie =False ,
+cookie_text ="",
+selected_cookie_file =None ,
+app_base_dir =None ,
+manga_filename_style_for_sort_check =None 
+):
+    headers ={
+    'User-Agent':'Mozilla/5.0',
+    'Accept':'application/json'
+    }
+
+    service ,user_id ,target_post_id =extract_post_info (api_url_input )
+
+    if cancellation_event and cancellation_event .is_set ():
+        logger ("   Download_from_api cancelled at start.")
+        return 
+
+    parsed_input_url_for_domain =urlparse (api_url_input )
+    api_domain =parsed_input_url_for_domain .netloc 
+    if not any (d in api_domain .lower ()for d in ['kemono.su','kemono.party','coomer.su','coomer.party']):
+        logger (f"⚠️ Unrecognized domain '{api_domain }' from input URL. Defaulting to kemono.su for API calls.")
+        api_domain ="kemono.su"
+    cookies_for_api =None 
+    if use_cookie and app_base_dir :
+        cookies_for_api =prepare_cookies_for_request (use_cookie ,cookie_text ,selected_cookie_file ,app_base_dir ,logger ,target_domain =api_domain )
+    if target_post_id :
+        direct_post_api_url =f"https://{api_domain }/api/v1/{service }/user/{user_id }/post/{target_post_id }"
+        logger (f"   Attempting direct fetch for target post: {direct_post_api_url }")
+        try :
+            direct_response =requests .get (direct_post_api_url ,headers =headers ,timeout =(10 ,30 ),cookies =cookies_for_api )
+            direct_response .raise_for_status ()
+            direct_post_data =direct_response .json ()
+            if isinstance (direct_post_data ,list )and direct_post_data :
+                direct_post_data =direct_post_data [0 ]
+            if isinstance (direct_post_data ,dict )and 'post'in direct_post_data and isinstance (direct_post_data ['post'],dict ):
+                 direct_post_data =direct_post_data ['post']
+            if isinstance (direct_post_data ,dict )and direct_post_data .get ('id')==target_post_id :
+                logger (f"   ✅ Direct fetch successful for post {target_post_id }.")
+                yield [direct_post_data ]
+                return 
+            else :
+                response_type =type (direct_post_data ).__name__ 
+                response_snippet =str (direct_post_data )[:200 ]
+                logger (f"   ⚠️ Direct fetch for post {target_post_id } returned unexpected data (Type: {response_type }, Snippet: '{response_snippet }'). Falling back to pagination.")
+        except requests .exceptions .RequestException as e :
+            logger (f"   ⚠️ Direct fetch failed for post {target_post_id }: {e }. Falling back to pagination.")
+        except Exception as e :
+            logger (f"   ⚠️ Unexpected error during direct fetch for post {target_post_id }: {e }. Falling back to pagination.")
+    if not service or not user_id :
+        logger (f"❌ Invalid URL or could not extract service/user: {api_url_input }")
+        return 
+    if target_post_id and (start_page or end_page ):
+        logger ("⚠️ Page range (start/end page) is ignored when a specific post URL is provided (searching all pages for the post).")
+
+    is_manga_mode_fetch_all_and_sort_oldest_first =manga_mode and (manga_filename_style_for_sort_check !=STYLE_DATE_POST_TITLE )and not target_post_id 
+    api_base_url =f"https://{api_domain }/api/v1/{service }/user/{user_id }"
+    page_size =50 
+    if is_manga_mode_fetch_all_and_sort_oldest_first :
+        logger (f"   Manga Mode (Style: {manga_filename_style_for_sort_check if manga_filename_style_for_sort_check else 'Default'} - Oldest First Sort Active): Fetching all posts to sort by date...")
+        all_posts_for_manga_mode =[]
+        current_offset_manga =0 
+        if start_page and start_page >1 :
+            current_offset_manga =(start_page -1 )*page_size 
+            logger (f"   Manga Mode: Starting fetch from page {start_page } (offset {current_offset_manga }).")
+        elif start_page :
+            logger (f"   Manga Mode: Starting fetch from page 1 (offset 0).")
+        if end_page :
+            logger (f"   Manga Mode: Will fetch up to page {end_page }.")
+        while True :
+            if pause_event and pause_event .is_set ():
+                logger ("   Manga mode post fetching paused...")
+                while pause_event .is_set ():
+                    if cancellation_event and cancellation_event .is_set ():
+                        logger ("   Manga mode post fetching cancelled while paused.")
+                        break 
+                    time .sleep (0.5 )
+                if not (cancellation_event and cancellation_event .is_set ()):logger ("   Manga mode post fetching resumed.")
+            if cancellation_event and cancellation_event .is_set ():
+                logger ("   Manga mode post fetching cancelled.")
+                break 
+            current_page_num_manga =(current_offset_manga //page_size )+1 
+            if end_page and current_page_num_manga >end_page :
+                logger (f"   Manga Mode: Reached specified end page ({end_page }). Stopping post fetch.")
+                break 
+            try :
+                posts_batch_manga =fetch_posts_paginated (api_base_url ,headers ,current_offset_manga ,logger ,cancellation_event ,pause_event ,cookies_dict =cookies_for_api )
+                if not isinstance (posts_batch_manga ,list ):
+                    logger (f"❌ API Error (Manga Mode): Expected list of posts, got {type (posts_batch_manga )}.")
+                    break 
+                if not posts_batch_manga :
+                    logger ("✅ Reached end of posts (Manga Mode fetch all).")
+                    if start_page and not end_page and current_page_num_manga <start_page :
+                        logger (f"   Manga Mode: No posts found on or after specified start page {start_page }.")
+                    elif end_page and current_page_num_manga <=end_page and not all_posts_for_manga_mode :
+                        logger (f"   Manga Mode: No posts found within the specified page range ({start_page or 1 }-{end_page }).")
+                    break 
+                all_posts_for_manga_mode .extend (posts_batch_manga )
+                current_offset_manga +=page_size 
+                time .sleep (0.6 )
+            except RuntimeError as e :
+                if "cancelled by user"in str (e ).lower ():
+                    logger (f"ℹ️ Manga mode pagination stopped due to cancellation: {e }")
+                else :
+                    logger (f"❌ {e }\n   Aborting manga mode pagination.")
+                break 
+            except Exception as e :
+                logger (f"❌ Unexpected error during manga mode fetch: {e }")
+                traceback .print_exc ()
+                break 
+        if cancellation_event and cancellation_event .is_set ():return 
+        if all_posts_for_manga_mode :
+            logger (f"   Manga Mode: Fetched {len (all_posts_for_manga_mode )} total posts. Sorting by publication date (oldest first)...")
+            def sort_key_tuple (post ):
+                published_date_str =post .get ('published')
+                added_date_str =post .get ('added')
+                post_id_str =post .get ('id',"0")
+                primary_sort_val ="0000-00-00T00:00:00"
+                if published_date_str :
+                    primary_sort_val =published_date_str 
+                elif added_date_str :
+                    logger (f"    ⚠️ Post ID {post_id_str } missing 'published' date, using 'added' date '{added_date_str }' for primary sorting.")
+                    primary_sort_val =added_date_str 
+                else :
+                    logger (f"    ⚠️ Post ID {post_id_str } missing both 'published' and 'added' dates. Placing at start of sort (using default earliest date).")
+                secondary_sort_val =0 
+                try :
+                    secondary_sort_val =int (post_id_str )
+                except ValueError :
+                    logger (f"    ⚠️ Post ID '{post_id_str }' is not a valid integer for secondary sorting, using 0.")
+                return (primary_sort_val ,secondary_sort_val )
+            all_posts_for_manga_mode .sort (key =sort_key_tuple )
+            for i in range (0 ,len (all_posts_for_manga_mode ),page_size ):
+                if cancellation_event and cancellation_event .is_set ():
+                    logger ("   Manga mode post yielding cancelled.")
+                    break 
+                yield all_posts_for_manga_mode [i :i +page_size ]
+        return 
+
+
+
+    if manga_mode and not target_post_id and (manga_filename_style_for_sort_check ==STYLE_DATE_POST_TITLE ):
+        logger (f"   Manga Mode (Style: {STYLE_DATE_POST_TITLE }): Processing posts in default API order (newest first).")
+
+    current_page_num =1 
+    current_offset =0 
+    processed_target_post_flag =False 
+    if start_page and start_page >1 and not target_post_id :
+        current_offset =(start_page -1 )*page_size 
+        current_page_num =start_page 
+        logger (f"   Starting from page {current_page_num } (calculated offset {current_offset }).")
+    while True :
+        if pause_event and pause_event .is_set ():
+            logger ("   Post fetching loop paused...")
+            while pause_event .is_set ():
+                if cancellation_event and cancellation_event .is_set ():
+                    logger ("   Post fetching loop cancelled while paused.")
+                    break 
+                time .sleep (0.5 )
+            if not (cancellation_event and cancellation_event .is_set ()):logger ("   Post fetching loop resumed.")
+        if cancellation_event and cancellation_event .is_set ():
+            logger ("   Post fetching loop cancelled.")
+            break 
+        if target_post_id and processed_target_post_flag :
+            break 
+        if not target_post_id and end_page and current_page_num >end_page :
+            logger (f"✅ Reached specified end page ({end_page }) for creator feed. Stopping.")
+            break 
+        try :
+            posts_batch =fetch_posts_paginated (api_base_url ,headers ,current_offset ,logger ,cancellation_event ,pause_event ,cookies_dict =cookies_for_api )
+            if not isinstance (posts_batch ,list ):
+                logger (f"❌ API Error: Expected list of posts, got {type (posts_batch )} at page {current_page_num } (offset {current_offset }).")
+                break 
+        except RuntimeError as e :
+            if "cancelled by user"in str (e ).lower ():
+                 logger (f"ℹ️ Pagination stopped due to cancellation: {e }")
+            else :
+                logger (f"❌ {e }\n   Aborting pagination at page {current_page_num } (offset {current_offset }).")
+            break 
+        except Exception as e :
+            logger (f"❌ Unexpected error fetching page {current_page_num } (offset {current_offset }): {e }")
+            traceback .print_exc ()
+            break 
+        if not posts_batch :
+            if target_post_id and not processed_target_post_flag :
+                logger (f"❌ Target post {target_post_id } not found after checking all available pages (API returned no more posts at offset {current_offset }).")
+            elif not target_post_id :
+                if current_page_num ==(start_page or 1 ):
+                     logger (f"😕 No posts found on the first page checked (page {current_page_num }, offset {current_offset }).")
+                else :
+                     logger (f"✅ Reached end of posts (no more content from API at offset {current_offset }).")
+            break 
+        if target_post_id and not processed_target_post_flag :
+            matching_post =next ((p for p in posts_batch if str (p .get ('id'))==str (target_post_id )),None )
+            if matching_post :
+                logger (f"🎯 Found target post {target_post_id } on page {current_page_num } (offset {current_offset }).")
+                yield [matching_post ]
+                processed_target_post_flag =True 
+        elif not target_post_id :
+            yield posts_batch 
+        if processed_target_post_flag :
+            break 
+        current_offset +=page_size 
+        current_page_num +=1 
+        time .sleep (0.6 )
+    if target_post_id and not processed_target_post_flag and not (cancellation_event and cancellation_event .is_set ()):
+        logger (f"❌ Target post {target_post_id } could not be found after checking all relevant pages (final check after loop).")

src/core/manager.py

@@ -0,0 +1,241 @@
+# --- Standard Library Imports ---
+import threading
+import time
+import os
+import json
+import traceback
+from concurrent.futures import ThreadPoolExecutor, as_completed, Future
+
+# --- Local Application Imports ---
+# These imports reflect the new, organized project structure.
+from .api_client import download_from_api
+from .workers import PostProcessorWorker, DownloadThread
+from ..config.constants import (
+    STYLE_DATE_BASED, STYLE_POST_TITLE_GLOBAL_NUMBERING,
+    MAX_THREADS, POST_WORKER_BATCH_THRESHOLD, POST_WORKER_NUM_BATCHES,
+    POST_WORKER_BATCH_DELAY_SECONDS
+)
+from ..utils.file_utils import clean_folder_name
+
+
+class DownloadManager:
+    """
+    Manages the entire download lifecycle, acting as a bridge between the UI
+    and the backend workers. It handles thread pools, task submission,
+    and state management for a download session.
+    """
+
+    def __init__(self, progress_queue):
+        """
+        Initializes the DownloadManager.
+
+        Args:
+            progress_queue (queue.Queue): A thread-safe queue for sending
+                                          status updates to the UI.
+        """
+        self.progress_queue = progress_queue
+        self.thread_pool = None
+        self.active_futures = []
+
+        # --- Session State ---
+        self.cancellation_event = threading.Event()
+        self.pause_event = threading.Event()
+        self.is_running = False
+        
+        self.total_posts = 0
+        self.processed_posts = 0
+        self.total_downloads = 0
+        self.total_skips = 0
+        self.all_kept_original_filenames = []
+
+    def _log(self, message):
+        """Puts a progress message into the queue for the UI."""
+        self.progress_queue.put({'type': 'progress', 'payload': (message,)})
+
+    def start_session(self, config, restore_data=None):
+        """
+        Starts a new download session based on the provided configuration.
+        This is the main entry point called by the UI.
+
+        Args:
+            config (dict): A dictionary containing all settings from the UI.
+            restore_data (dict, optional): Data from a previous, interrupted session.
+        """
+        if self.is_running:
+            self._log("❌ Cannot start a new session: A session is already in progress.")
+            return
+
+        # --- Reset state for the new session ---
+        self.is_running = True
+        self.cancellation_event.clear()
+        self.pause_event.clear()
+        self.active_futures.clear()
+        self.total_posts = 0
+        self.processed_posts = 0
+        self.total_downloads = 0
+        self.total_skips = 0
+        self.all_kept_original_filenames = []
+
+        # --- Decide execution strategy (multi-threaded vs. single-threaded) ---
+        is_single_post = bool(config.get('target_post_id_from_initial_url'))
+        use_multithreading = config.get('use_multithreading', True)
+        is_manga_sequential = config.get('manga_mode_active') and config.get('manga_filename_style') in [STYLE_DATE_BASED, STYLE_POST_TITLE_GLOBAL_NUMBERING]
+
+        should_use_multithreading_for_posts = use_multithreading and not is_single_post and not is_manga_sequential
+
+        if should_use_multithreading_for_posts:
+            # Start a separate thread to manage fetching and queuing to the thread pool
+            fetcher_thread = threading.Thread(
+                target=self._fetch_and_queue_posts_for_pool,
+                args=(config, restore_data),
+                daemon=True
+            )
+            fetcher_thread.start()
+        else:
+            # For single posts or sequential manga mode, use a single worker thread
+            # which is simpler and ensures order.
+            self._start_single_threaded_session(config)
+
+    def _start_single_threaded_session(self, config):
+        """Handles downloads that are best processed by a single worker thread."""
+        self._log("ℹ️ Initializing single-threaded download process...")
+        
+        # The original DownloadThread is now a pure Python thread, not a QThread.
+        # We run its `run` method in a standard Python thread.
+        self.worker_thread = threading.Thread(
+            target=self._run_single_worker,
+            args=(config,),
+            daemon=True
+        )
+        self.worker_thread.start()
+
+    def _run_single_worker(self, config):
+        """Target function for the single-worker thread."""
+        try:
+            # Pass the queue directly to the worker for it to send updates
+            worker = DownloadThread(config, self.progress_queue)
+            worker.run() # This is the main blocking call for this thread
+        except Exception as e:
+            self._log(f"❌ CRITICAL ERROR in single-worker thread: {e}")
+            self._log(traceback.format_exc())
+        finally:
+            self.is_running = False
+
+    def _fetch_and_queue_posts_for_pool(self, config, restore_data):
+        """
+        Fetches all posts from the API and submits them as tasks to a thread pool.
+        This method runs in its own dedicated thread to avoid blocking.
+        """
+        try:
+            num_workers = min(config.get('num_threads', 4), MAX_THREADS)
+            self.thread_pool = ThreadPoolExecutor(max_workers=num_workers, thread_name_prefix='PostWorker_')
+            
+            # Fetch posts
+            # In a real implementation, this would call `api_client.download_from_api`
+            if restore_data:
+                all_posts = restore_data['all_posts_data']
+                processed_ids = set(restore_data['processed_post_ids'])
+                posts_to_process = [p for p in all_posts if p.get('id') not in processed_ids]
+                self.total_posts = len(all_posts)
+                self.processed_posts = len(processed_ids)
+                self._log(f"🔄 Restoring session. {len(posts_to_process)} posts remaining.")
+            else:
+                posts_to_process = self._get_all_posts(config)
+                self.total_posts = len(posts_to_process)
+                self.processed_posts = 0
+
+            self.progress_queue.put({'type': 'overall_progress', 'payload': (self.total_posts, self.processed_posts)})
+            
+            if not posts_to_process:
+                self._log("✅ No new posts to process.")
+                return
+
+            # Submit tasks to the pool
+            for post_data in posts_to_process:
+                if self.cancellation_event.is_set():
+                    break
+                # Each PostProcessorWorker gets the queue to send its own updates
+                worker = PostProcessorWorker(post_data, config, self.progress_queue)
+                future = self.thread_pool.submit(worker.process)
+                future.add_done_callback(self._handle_future_result)
+                self.active_futures.append(future)
+        
+        except Exception as e:
+            self._log(f"❌ CRITICAL ERROR in post fetcher thread: {e}")
+            self._log(traceback.format_exc())
+        finally:
+            # Wait for all submitted tasks to complete before shutting down
+            if self.thread_pool:
+                self.thread_pool.shutdown(wait=True)
+            self.is_running = False
+            self._log("🏁 All processing tasks have completed.")
+            # Emit final signal
+            self.progress_queue.put({
+                'type': 'finished',
+                'payload': (self.total_downloads, self.total_skips, self.cancellation_event.is_set(), self.all_kept_original_filenames)
+            })
+
+    def _get_all_posts(self, config):
+        """Helper to fetch all posts using the API client."""
+        all_posts = []
+        # This generator yields batches of posts
+        post_generator = download_from_api(
+            api_url_input=config['api_url'],
+            logger=self._log,
+            # ... pass other relevant config keys ...
+            cancellation_event=self.cancellation_event,
+            pause_event=self.pause_event
+        )
+        for batch in post_generator:
+            all_posts.extend(batch)
+        return all_posts
+
+    def _handle_future_result(self, future: Future):
+        """Callback executed when a worker task completes."""
+        if self.cancellation_event.is_set():
+            return
+            
+        with threading.Lock(): # Protect shared counters
+            self.processed_posts += 1
+            try:
+                if future.cancelled():
+                    self._log("⚠️ A post processing task was cancelled.")
+                    self.total_skips += 1
+                else:
+                    result = future.result()
+                    # Unpack result tuple from the worker
+                    (dl_count, skip_count, kept_originals, 
+                     retryable, permanent, history) = result
+                    self.total_downloads += dl_count
+                    self.total_skips += skip_count
+                    self.all_kept_original_filenames.extend(kept_originals)
+                    
+                    # Queue up results for UI to handle
+                    if retryable:
+                        self.progress_queue.put({'type': 'retryable_failure', 'payload': (retryable,)})
+                    if permanent:
+                        self.progress_queue.put({'type': 'permanent_failure', 'payload': (permanent,)})
+                    if history:
+                        self.progress_queue.put({'type': 'post_processed_history', 'payload': (history,)})
+
+            except Exception as e:
+                self._log(f"❌ Worker task resulted in an exception: {e}")
+                self.total_skips += 1 # Count errored posts as skipped
+
+            # Update overall progress
+            self.progress_queue.put({'type': 'overall_progress', 'payload': (self.total_posts, self.processed_posts)})
+
+    def cancel_session(self):
+        """Cancels the current running session."""
+        if not self.is_running:
+            return
+        self._log("⚠️ Cancellation requested by user...")
+        self.cancellation_event.set()
+        
+        # For single thread mode, the worker checks the event
+        # For multi-thread mode, shut down the pool
+        if self.thread_pool:
+            # Don't wait, just cancel pending futures and let the fetcher thread exit
+            self.thread_pool.shutdown(wait=False, cancel_futures=True)
+            
+        self.is_running = False

src/i18n/__init__.py

@@ -0,0 +1 @@
+# ...existing code...

src/services/__init__.py

@@ -0,0 +1 @@
+# ...existing code...

src/services/drive_downloader.py

@@ -0,0 +1,163 @@
+# --- Standard Library Imports ---
+import os
+import re
+import traceback
+import json
+from urllib.parse import urlparse, urlunparse, parse_qs, urlencode
+
+# --- Third-Party Library Imports ---
+import requests
+try:
+    from mega import Mega
+    MEGA_AVAILABLE = True
+except ImportError:
+    MEGA_AVAILABLE = False
+
+try:
+    import gdown
+    GDOWN_AVAILABLE = True
+except ImportError:
+    GDOWN_AVAILABLE = False
+
+# --- Helper Functions ---
+
+def _get_filename_from_headers(headers):
+    """
+    Extracts a filename from the Content-Disposition header.
+
+    Args:
+        headers (dict): A dictionary of HTTP response headers.
+
+    Returns:
+        str or None: The extracted filename, or None if not found.
+    """
+    cd = headers.get('content-disposition')
+    if not cd:
+        return None
+    
+    fname_match = re.findall('filename="?([^"]+)"?', cd)
+    if fname_match:
+        # Sanitize the filename to prevent directory traversal issues
+        # and remove invalid characters for most filesystems.
+        sanitized_name = re.sub(r'[<>:"/\\|?*]', '_', fname_match[0].strip())
+        return sanitized_name
+        
+    return None
+
+# --- Main Service Downloader Functions ---
+
+def download_mega_file(mega_link, download_path=".", logger_func=print):
+    """
+    Downloads a file from a public Mega.nz link.
+
+    Args:
+        mega_link (str): The public Mega.nz link to the file.
+        download_path (str): The directory to save the downloaded file.
+        logger_func (callable): Function to use for logging.
+    """
+    if not MEGA_AVAILABLE:
+        logger_func("❌ Error: mega.py library is not installed. Cannot download from Mega.")
+        logger_func("   Please install it: pip install mega.py")
+        raise ImportError("mega.py library not found.")
+
+    logger_func(f"   [Mega] Initializing Mega client...")
+    try:
+        mega_client = Mega()
+        m = mega_client.login()
+        logger_func(f"   [Mega] Attempting to download from: {mega_link}")
+        
+        if not os.path.exists(download_path):
+            os.makedirs(download_path, exist_ok=True)
+            logger_func(f"   [Mega] Created download directory: {download_path}")
+            
+        # The download_url method handles file info fetching and saving internally.
+        downloaded_file_path = m.download_url(mega_link, dest_path=download_path)
+
+        if downloaded_file_path and os.path.exists(downloaded_file_path):
+            logger_func(f"   [Mega] ✅ File downloaded successfully! Saved as: {downloaded_file_path}")
+        else:
+            raise Exception(f"Mega download failed or file not found. Returned: {downloaded_file_path}")
+
+    except Exception as e:
+        logger_func(f"   [Mega] ❌ An unexpected error occurred during Mega download: {e}")
+        traceback.print_exc(limit=2)
+        raise  # Re-raise the exception to be handled by the calling worker
+
+def download_gdrive_file(gdrive_link, download_path=".", logger_func=print):
+    """
+    Downloads a file from a public Google Drive link using the gdown library.
+
+    Args:
+        gdrive_link (str): The public Google Drive link to the file.
+        download_path (str): The directory to save the downloaded file.
+        logger_func (callable): Function to use for logging.
+    """
+    if not GDOWN_AVAILABLE:
+        logger_func("❌ Error: gdown library is not installed. Cannot download from Google Drive.")
+        logger_func("   Please install it: pip install gdown")
+        raise ImportError("gdown library not found.")
+
+    logger_func(f"   [GDrive] Attempting to download: {gdrive_link}")
+    try:
+        if not os.path.exists(download_path):
+            os.makedirs(download_path, exist_ok=True)
+            logger_func(f"   [GDrive] Created download directory: {download_path}")
+
+        # gdown handles finding the file ID and downloading. 'fuzzy=True' helps with various URL formats.
+        output_file_path = gdown.download(gdrive_link, output=download_path, quiet=False, fuzzy=True)
+
+        if output_file_path and os.path.exists(output_file_path):
+            logger_func(f"   [GDrive] ✅ Google Drive file downloaded successfully: {output_file_path}")
+        else:
+            raise Exception(f"gdown download failed or file not found. Returned: {output_file_path}")
+
+    except Exception as e:
+        logger_func(f"   [GDrive] ❌ An error occurred during Google Drive download: {e}")
+        traceback.print_exc(limit=2)
+        raise
+
+def download_dropbox_file(dropbox_link, download_path=".", logger_func=print):
+    """
+    Downloads a file from a public Dropbox link by modifying the URL for direct download.
+
+    Args:
+        dropbox_link (str): The public Dropbox link to the file.
+        download_path (str): The directory to save the downloaded file.
+        logger_func (callable): Function to use for logging.
+    """
+    logger_func(f"   [Dropbox] Attempting to download: {dropbox_link}")
+    
+    # Modify the Dropbox URL to force a direct download instead of showing the preview page.
+    parsed_url = urlparse(dropbox_link)
+    query_params = parse_qs(parsed_url.query)
+    query_params['dl'] = ['1']
+    new_query = urlencode(query_params, doseq=True)
+    direct_download_url = urlunparse(parsed_url._replace(query=new_query))
+
+    logger_func(f"   [Dropbox] Using direct download URL: {direct_download_url}")
+
+    try:
+        if not os.path.exists(download_path):
+            os.makedirs(download_path, exist_ok=True)
+            logger_func(f"   [Dropbox] Created download directory: {download_path}")
+
+        with requests.get(direct_download_url, stream=True, allow_redirects=True, timeout=(10, 300)) as r:
+            r.raise_for_status()
+            
+            # Determine filename from headers or URL
+            filename = _get_filename_from_headers(r.headers) or os.path.basename(parsed_url.path) or "dropbox_file"
+            full_save_path = os.path.join(download_path, filename)
+            
+            logger_func(f"   [Dropbox] Starting download of '{filename}'...")
+            
+            # Write file to disk in chunks
+            with open(full_save_path, 'wb') as f:
+                for chunk in r.iter_content(chunk_size=8192):
+                    f.write(chunk)
+                    
+            logger_func(f"   [Dropbox] ✅ Dropbox file downloaded successfully: {full_save_path}")
+
+    except Exception as e:
+        logger_func(f"   [Dropbox] ❌ An error occurred during Dropbox download: {e}")
+        traceback.print_exc(limit=2)
+        raise

src/services/multipart_downloader.py

@@ -1,6 +1,6 @@
+# --- Standard Library Imports ---
 import os
 import time
-import requests
 import hashlib
 import http.client
 import traceback
@@ -8,21 +8,38 @@ import threading
 import queue
 from concurrent.futures import ThreadPoolExecutor, as_completed
 
+# --- Third-Party Library Imports ---
+import requests
+
+# --- Module Constants ---
 CHUNK_DOWNLOAD_RETRY_DELAY = 2
 MAX_CHUNK_DOWNLOAD_RETRIES = 1
-DOWNLOAD_CHUNK_SIZE_ITER = 1024 * 256  
+DOWNLOAD_CHUNK_SIZE_ITER = 1024 * 256  # 256 KB per iteration chunk
+
+# Flag to indicate if this module and its dependencies are available.
+# This was missing and caused the ImportError.
+MULTIPART_DOWNLOADER_AVAILABLE = True
 
 
-def _download_individual_chunk(chunk_url, temp_file_path, start_byte, end_byte, headers,
-                               part_num, total_parts, progress_data, cancellation_event, skip_event, pause_event, global_emit_time_ref, cookies_for_chunk,
-                               logger_func, emitter=None, api_original_filename=None):
+def _download_individual_chunk(
+    chunk_url, temp_file_path, start_byte, end_byte, headers,
+    part_num, total_parts, progress_data, cancellation_event,
+    skip_event, pause_event, global_emit_time_ref, cookies_for_chunk,
+    logger_func, emitter=None, api_original_filename=None
+):
+    """
+    Downloads a single segment (chunk) of a larger file. This function is
+    intended to be run in a separate thread by a ThreadPoolExecutor.
+
+    It handles retries, pauses, and cancellations for its specific chunk.
+    """
+    # --- Pre-download checks for control events ---
     if cancellation_event and cancellation_event.is_set():
         logger_func(f"   [Chunk {part_num + 1}/{total_parts}] Download cancelled before start.")
         return 0, False
     if skip_event and skip_event.is_set():
         logger_func(f"   [Chunk {part_num + 1}/{total_parts}] Skip event triggered before start.")
         return 0, False
-
     if pause_event and pause_event.is_set():
         logger_func(f"   [Chunk {part_num + 1}/{total_parts}] Download paused before start...")
         while pause_event.is_set():
@@ -32,83 +49,66 @@ def _download_individual_chunk(chunk_url, temp_file_path, start_byte, end_byte,
             time.sleep(0.2)
         logger_func(f"   [Chunk {part_num + 1}/{total_parts}] Download resumed.")
 
+    # Prepare headers for the specific byte range of this chunk
     chunk_headers = headers.copy()
-    if end_byte != -1 :
+    if end_byte != -1:
         chunk_headers['Range'] = f"bytes={start_byte}-{end_byte}"
-    elif start_byte == 0 and end_byte == -1:
-        pass
-
+    
     bytes_this_chunk = 0
     last_speed_calc_time = time.time()
     bytes_at_last_speed_calc = 0
 
+    # --- Retry Loop ---
     for attempt in range(MAX_CHUNK_DOWNLOAD_RETRIES + 1):
         if cancellation_event and cancellation_event.is_set():
-            logger_func(f"   [Chunk {part_num + 1}/{total_parts}] Cancelled during retry loop.")
             return bytes_this_chunk, False
-        if skip_event and skip_event.is_set():
-            logger_func(f"   [Chunk {part_num + 1}/{total_parts}] Skip event during retry loop.")
-            return bytes_this_chunk, False
-        if pause_event and pause_event.is_set():
-            logger_func(f"   [Chunk {part_num + 1}/{total_parts}] Paused during retry loop...")
-            while pause_event.is_set():
-                if cancellation_event and cancellation_event.is_set():
-                    logger_func(f"   [Chunk {part_num + 1}/{total_parts}] Cancelled while paused in retry loop.")
-                    return bytes_this_chunk, False
-                time.sleep(0.2)
-            logger_func(f"   [Chunk {part_num + 1}/{total_parts}] Resumed from retry loop pause.")
 
         try:
             if attempt > 0:
-                logger_func(f"   [Chunk {part_num + 1}/{total_parts}] Retrying download (Attempt {attempt}/{MAX_CHUNK_DOWNLOAD_RETRIES})...")
+                logger_func(f"   [Chunk {part_num + 1}/{total_parts}] Retrying (Attempt {attempt + 1}/{MAX_CHUNK_DOWNLOAD_RETRIES + 1})...")
                 time.sleep(CHUNK_DOWNLOAD_RETRY_DELAY * (2 ** (attempt - 1)))
                 last_speed_calc_time = time.time()
                 bytes_at_last_speed_calc = bytes_this_chunk
-            log_msg = f"   🚀 [Chunk {part_num + 1}/{total_parts}] Starting download: bytes {start_byte}-{end_byte if end_byte != -1 else 'EOF'}"
-            logger_func(log_msg)
+
+            logger_func(f"   🚀 [Chunk {part_num + 1}/{total_parts}] Starting download: bytes {start_byte}-{end_byte if end_byte != -1 else 'EOF'}")
+            
             response = requests.get(chunk_url, headers=chunk_headers, timeout=(10, 120), stream=True, cookies=cookies_for_chunk)
             response.raise_for_status()
-            if start_byte == 0 and end_byte == -1 and int(response.headers.get('Content-Length', 0)) == 0:
-                logger_func(f"   [Chunk {part_num + 1}/{total_parts}] Confirmed 0-byte file.")
-                with progress_data['lock']:
-                    progress_data['chunks_status'][part_num]['active'] = False
-                    progress_data['chunks_status'][part_num]['speed_bps'] = 0
-                return 0, True
 
+            # --- Data Writing Loop ---
             with open(temp_file_path, 'r+b') as f:
                 f.seek(start_byte)
                 for data_segment in response.iter_content(chunk_size=DOWNLOAD_CHUNK_SIZE_ITER):
                     if cancellation_event and cancellation_event.is_set():
-                        logger_func(f"   [Chunk {part_num + 1}/{total_parts}] Cancelled during data iteration.")
-                        return bytes_this_chunk, False
-                    if skip_event and skip_event.is_set():
-                        logger_func(f"   [Chunk {part_num + 1}/{total_parts}] Skip event during data iteration.")
                         return bytes_this_chunk, False
                     if pause_event and pause_event.is_set():
-                        logger_func(f"   [Chunk {part_num + 1}/{total_parts}] Paused during data iteration...")
+                        # Handle pausing during the download stream
+                        logger_func(f"   [Chunk {part_num + 1}/{total_parts}] Paused...")
                         while pause_event.is_set():
-                            if cancellation_event and cancellation_event.is_set():
-                                logger_func(f"   [Chunk {part_num + 1}/{total_parts}] Cancelled while paused in data iteration.")
-                                return bytes_this_chunk, False
+                            if cancellation_event and cancellation_event.is_set(): return bytes_this_chunk, False
                             time.sleep(0.2)
-                        logger_func(f"   [Chunk {part_num + 1}/{total_parts}] Resumed from data iteration pause.")
+                        logger_func(f"   [Chunk {part_num + 1}/{total_parts}] Resumed.")
+
                     if data_segment:
                         f.write(data_segment)
                         bytes_this_chunk += len(data_segment)
                         
+                        # Update shared progress data structure
                         with progress_data['lock']:
                             progress_data['total_downloaded_so_far'] += len(data_segment)
                             progress_data['chunks_status'][part_num]['downloaded'] = bytes_this_chunk
-                            progress_data['chunks_status'][part_num]['active'] = True
-
+                            
+                            # Calculate and update speed for this chunk
                             current_time = time.time()
-                            time_delta_speed = current_time - last_speed_calc_time
-                            if time_delta_speed > 0.5:
+                            time_delta = current_time - last_speed_calc_time
+                            if time_delta > 0.5:
                                 bytes_delta = bytes_this_chunk - bytes_at_last_speed_calc
-                                current_speed_bps = (bytes_delta * 8) / time_delta_speed if time_delta_speed > 0 else 0
+                                current_speed_bps = (bytes_delta * 8) / time_delta if time_delta > 0 else 0
                                 progress_data['chunks_status'][part_num]['speed_bps'] = current_speed_bps
                                 last_speed_calc_time = current_time
-                                bytes_at_last_speed_calc = bytes_this_chunk                            
+                                bytes_at_last_speed_calc = bytes_this_chunk
+                            
+                            # Emit progress signal to the UI via the queue
                             if emitter and (current_time - global_emit_time_ref[0] > 0.25):
                                 global_emit_time_ref[0] = current_time
                                 status_list_copy = [dict(s) for s in progress_data['chunks_status']]
@@ -116,28 +116,19 @@ def _download_individual_chunk(chunk_url, temp_file_path, start_byte, end_byte,
                                     emitter.put({'type': 'file_progress', 'payload': (api_original_filename, status_list_copy)})
                                 elif hasattr(emitter, 'file_progress_signal'):
                                     emitter.file_progress_signal.emit(api_original_filename, status_list_copy)
+            
+            # If we reach here, the download for this chunk was successful
             return bytes_this_chunk, True
 
         except (requests.exceptions.ConnectionError, requests.exceptions.Timeout, http.client.IncompleteRead) as e:
             logger_func(f"   ❌ [Chunk {part_num + 1}/{total_parts}] Retryable error: {e}")
-            if isinstance(e, requests.exceptions.ConnectionError) and \
-               ("Failed to resolve" in str(e) or "NameResolutionError" in str(e)):
-                logger_func("   💡 This looks like a DNS resolution problem. Please check your internet connection, DNS settings, or VPN.")
-            if attempt == MAX_CHUNK_DOWNLOAD_RETRIES:
-                logger_func(f"   ❌ [Chunk {part_num + 1}/{total_parts}] Failed after {MAX_CHUNK_DOWNLOAD_RETRIES} retries.")
-                return bytes_this_chunk, False
         except requests.exceptions.RequestException as e:
             logger_func(f"   ❌ [Chunk {part_num + 1}/{total_parts}] Non-retryable error: {e}")
-            if ("Failed to resolve" in str(e) or "NameResolutionError" in str(e)):
-                logger_func("   💡 This looks like a DNS resolution problem. Please check your internet connection, DNS settings, or VPN.")
-            return bytes_this_chunk, False
+            return bytes_this_chunk, False # Break loop on non-retryable errors
         except Exception as e:
             logger_func(f"   ❌ [Chunk {part_num + 1}/{total_parts}] Unexpected error: {e}\n{traceback.format_exc(limit=1)}")
-
             return bytes_this_chunk, False
-    with progress_data['lock']:
-        progress_data['chunks_status'][part_num]['active'] = False
-        progress_data['chunks_status'][part_num]['speed_bps'] = 0
+
     return bytes_this_chunk, False
 
 

src/ui/__init__.py

@@ -0,0 +1 @@
+# ...existing code...

src/ui/assets.py

@@ -0,0 +1,53 @@
+# --- Standard Library Imports ---
+import os
+import sys
+
+# --- PyQt5 Imports ---
+from PyQt5.QtGui import QIcon
+
+# --- Asset Management ---
+
+# This global variable will cache the icon so we don't have to load it from disk every time.
+_app_icon_cache = None
+
+def get_app_icon_object():
+    """
+    Loads and caches the application icon from the assets folder.
+    This function is now centralized to prevent circular imports.
+
+    Returns:
+        QIcon: The application icon object.
+    """
+    global _app_icon_cache
+    if _app_icon_cache and not _app_icon_cache.isNull():
+        return _app_icon_cache
+
+    # Declare a single variable to hold the base directory path.
+    app_base_dir = ""
+    
+    # Determine the project's base directory, whether running from source or as a bundled app
+    if getattr(sys, 'frozen', False):
+        # The application is frozen (e.g., with PyInstaller).
+        # The base directory is the one containing the executable.
+        app_base_dir = os.path.dirname(sys.executable)
+    else:
+        # The application is running from a .py file.
+        # This path navigates up from src/ui/assets.py to the project root.
+        app_base_dir = os.path.abspath(os.path.join(os.path.dirname(__file__), '..', '..'))
+
+    icon_path = os.path.join(app_base_dir, 'assets', 'Kemono.ico')
+    
+    if os.path.exists(icon_path):
+        _app_icon_cache = QIcon(icon_path)
+    else:
+        # If the icon isn't found, especially in a frozen app, check the _MEIPASS directory as a fallback.
+        if getattr(sys, 'frozen', False) and hasattr(sys, '_MEIPASS'):
+            fallback_icon_path = os.path.join(sys._MEIPASS, 'assets', 'Kemono.ico')
+            if os.path.exists(fallback_icon_path):
+                _app_icon_cache = QIcon(fallback_icon_path)
+                return _app_icon_cache
+        
+        print(f"Warning: Application icon not found at {icon_path}")
+        _app_icon_cache = QIcon() # Return an empty icon as a fallback
+        
+    return _app_icon_cache

src/ui/dialogs/ConfirmAddAllDialog.py

@@ -0,0 +1,177 @@
+# --- PyQt5 Imports ---
+from PyQt5.QtCore import Qt
+from PyQt5.QtWidgets import (
+    QApplication, QDialog, QHBoxLayout, QLabel, QListWidget, QListWidgetItem,
+    QPushButton, QVBoxLayout
+)
+
+# --- Local Application Imports ---
+# This assumes the new project structure is in place.
+from ...i18n.translator import get_translation
+# get_app_icon_object is defined in the main window module in this refactoring plan.
+from ..main_window import get_app_icon_object
+
+# --- Constants for Dialog Choices ---
+# These were moved from main.py to be self-contained within this module's context.
+CONFIRM_ADD_ALL_ACCEPTED = 1
+CONFIRM_ADD_ALL_SKIP_ADDING = 2
+CONFIRM_ADD_ALL_CANCEL_DOWNLOAD = 3
+
+
+class ConfirmAddAllDialog(QDialog):
+    """
+    A dialog to confirm adding multiple new character/series names to Known.txt.
+    It appears when the user provides filter names that are not already known,
+    allowing them to persist these names for future use.
+    """
+
+    def __init__(self, new_filter_objects_list, parent_app, parent=None):
+        """
+        Initializes the dialog.
+
+        Args:
+            new_filter_objects_list (list): A list of filter objects (dicts) to propose adding.
+            parent_app (DownloaderApp): A reference to the main application window for theming and translations.
+            parent (QWidget, optional): The parent widget. Defaults to None.
+        """
+        super().__init__(parent)
+        self.parent_app = parent_app
+        self.setModal(True)
+        self.new_filter_objects_list = new_filter_objects_list
+        # Default choice if the dialog is closed without a button press
+        self.user_choice = CONFIRM_ADD_ALL_CANCEL_DOWNLOAD
+
+        # --- Basic Window Setup ---
+        app_icon = get_app_icon_object()
+        if app_icon and not app_icon.isNull():
+            self.setWindowIcon(app_icon)
+        
+        # Set window size dynamically
+        screen_height = QApplication.primaryScreen().availableGeometry().height() if QApplication.primaryScreen() else 768
+        scale_factor = screen_height / 768.0
+        base_min_w, base_min_h = 480, 350
+        scaled_min_w = int(base_min_w * scale_factor)
+        scaled_min_h = int(base_min_h * scale_factor)
+        self.setMinimumSize(scaled_min_w, scaled_min_h)
+
+        # --- Initialize UI and Apply Theming ---
+        self._init_ui()
+        self._retranslate_ui()
+        self._apply_theme()
+
+    def _init_ui(self):
+        """Initializes all UI components and layouts for the dialog."""
+        main_layout = QVBoxLayout(self)
+
+        self.info_label = QLabel()
+        self.info_label.setWordWrap(True)
+        main_layout.addWidget(self.info_label)
+
+        self.names_list_widget = QListWidget()
+        self._populate_list()
+        main_layout.addWidget(self.names_list_widget)
+
+        # --- Selection Buttons ---
+        selection_buttons_layout = QHBoxLayout()
+        self.select_all_button = QPushButton()
+        self.select_all_button.clicked.connect(self._select_all_items)
+        selection_buttons_layout.addWidget(self.select_all_button)
+
+        self.deselect_all_button = QPushButton()
+        self.deselect_all_button.clicked.connect(self._deselect_all_items)
+        selection_buttons_layout.addWidget(self.deselect_all_button)
+        selection_buttons_layout.addStretch()
+        main_layout.addLayout(selection_buttons_layout)
+
+        # --- Action Buttons ---
+        buttons_layout = QHBoxLayout()
+        self.add_selected_button = QPushButton()
+        self.add_selected_button.clicked.connect(self._accept_add_selected)
+        self.add_selected_button.setDefault(True)
+        buttons_layout.addWidget(self.add_selected_button)
+
+        self.skip_adding_button = QPushButton()
+        self.skip_adding_button.clicked.connect(self._reject_skip_adding)
+        buttons_layout.addWidget(self.skip_adding_button)
+        buttons_layout.addStretch()
+
+        self.cancel_download_button = QPushButton()
+        self.cancel_download_button.clicked.connect(self._reject_cancel_download)
+        buttons_layout.addWidget(self.cancel_download_button)
+
+        main_layout.addLayout(buttons_layout)
+        
+    def _populate_list(self):
+        """Populates the list widget with the new names to be confirmed."""
+        for filter_obj in self.new_filter_objects_list:
+            item_text = filter_obj["name"]
+            list_item = QListWidgetItem(item_text)
+            list_item.setFlags(list_item.flags() | Qt.ItemIsUserCheckable)
+            list_item.setCheckState(Qt.Checked)
+            list_item.setData(Qt.UserRole, filter_obj)
+            self.names_list_widget.addItem(list_item)
+
+    def _tr(self, key, default_text=""):
+        """Helper to get translation based on the main application's current language."""
+        if callable(get_translation) and self.parent_app:
+            return get_translation(self.parent_app.current_selected_language, key, default_text)
+        return default_text
+
+    def _retranslate_ui(self):
+        """Sets the text for all translatable UI elements."""
+        self.setWindowTitle(self._tr("confirm_add_all_dialog_title", "Confirm Adding New Names"))
+        self.info_label.setText(self._tr("confirm_add_all_info_label", "The following new names/groups..."))
+        self.select_all_button.setText(self._tr("confirm_add_all_select_all_button", "Select All"))
+        self.deselect_all_button.setText(self._tr("confirm_add_all_deselect_all_button", "Deselect All"))
+        self.add_selected_button.setText(self._tr("confirm_add_all_add_selected_button", "Add Selected to Known.txt"))
+        self.skip_adding_button.setText(self._tr("confirm_add_all_skip_adding_button", "Skip Adding These"))
+        self.cancel_download_button.setText(self._tr("confirm_add_all_cancel_download_button", "Cancel Download"))
+
+    def _apply_theme(self):
+        """Applies the current theme from the parent application."""
+        if self.parent_app and hasattr(self.parent_app, 'get_dark_theme') and self.parent_app.current_theme == "dark":
+            self.setStyleSheet(self.parent_app.get_dark_theme())
+
+    def _select_all_items(self):
+        """Checks all items in the list."""
+        for i in range(self.names_list_widget.count()):
+            self.names_list_widget.item(i).setCheckState(Qt.Checked)
+
+    def _deselect_all_items(self):
+        """Unchecks all items in the list."""
+        for i in range(self.names_list_widget.count()):
+            self.names_list_widget.item(i).setCheckState(Qt.Unchecked)
+
+    def _accept_add_selected(self):
+        """Sets the user choice to the list of selected items and accepts the dialog."""
+        selected_objects = []
+        for i in range(self.names_list_widget.count()):
+            item = self.names_list_widget.item(i)
+            if item.checkState() == Qt.Checked:
+                filter_obj = item.data(Qt.UserRole)
+                if filter_obj:
+                    selected_objects.append(filter_obj)
+        
+        self.user_choice = selected_objects
+        self.accept()
+
+    def _reject_skip_adding(self):
+        """Sets the user choice to skip adding and rejects the dialog."""
+        self.user_choice = CONFIRM_ADD_ALL_SKIP_ADDING
+        self.reject()
+
+    def _reject_cancel_download(self):
+        """Sets the user choice to cancel the entire download and rejects the dialog."""
+        self.user_choice = CONFIRM_ADD_ALL_CANCEL_DOWNLOAD
+        self.reject()
+
+    def exec_(self):
+        """
+        Overrides the default exec_ to handle the return value logic, ensuring a
+        sensible default if no items are selected but the "Add" button is clicked.
+        """
+        super().exec_()
+        # If the user clicked "Add Selected" but didn't select any items, treat it as skipping.
+        if isinstance(self.user_choice, list) and not self.user_choice:
+            return CONFIRM_ADD_ALL_SKIP_ADDING
+        return self.user_choice

src/ui/dialogs/CookieHelpDialog.py

@@ -0,0 +1,135 @@
+# --- PyQt5 Imports ---
+from PyQt5.QtCore import Qt
+from PyQt5.QtGui import QIcon
+from PyQt5.QtWidgets import (
+    QApplication, QDialog, QHBoxLayout, QLabel, QPushButton, QVBoxLayout
+)
+
+# --- Local Application Imports ---
+from ...i18n.translator import get_translation
+from ..main_window import get_app_icon_object
+
+
+class CookieHelpDialog(QDialog):
+    """
+    A dialog to explain how to get a cookies.txt file.
+    It can be displayed as a simple informational popup or as a modal choice
+    when cookies are required but not found.
+    """
+    # Constants to define the user's choice from the dialog
+    CHOICE_PROCEED_WITHOUT_COOKIES = 1
+    CHOICE_CANCEL_DOWNLOAD = 2
+    CHOICE_OK_INFO_ONLY = 3
+
+    def __init__(self, parent_app, parent=None, offer_download_without_option=False):
+        """
+        Initializes the dialog.
+
+        Args:
+            parent_app (DownloaderApp): A reference to the main application window.
+            parent (QWidget, optional): The parent widget. Defaults to None.
+            offer_download_without_option (bool): If True, shows buttons to
+                "Download without Cookies" and "Cancel Download". If False,
+                shows only an "OK" button for informational purposes.
+        """
+        super().__init__(parent)
+        self.parent_app = parent_app
+        self.setModal(True)
+        self.offer_download_without_option = offer_download_without_option
+        self.user_choice = None
+
+        # --- Basic Window Setup ---
+        app_icon = get_app_icon_object()
+        if app_icon and not app_icon.isNull():
+            self.setWindowIcon(app_icon)
+
+        self.setMinimumWidth(500)
+
+        # --- Initialize UI and Apply Theming ---
+        self._init_ui()
+        self._retranslate_ui()
+        self._apply_theme()
+
+    def _init_ui(self):
+        """Initializes all UI components and layouts for the dialog."""
+        main_layout = QVBoxLayout(self)
+
+        self.info_label = QLabel()
+        self.info_label.setTextFormat(Qt.RichText)
+        self.info_label.setOpenExternalLinks(True)
+        self.info_label.setWordWrap(True)
+        main_layout.addWidget(self.info_label)
+
+        button_layout = QHBoxLayout()
+        button_layout.addStretch(1)
+
+        if self.offer_download_without_option:
+            # Add buttons for making a choice
+            self.download_without_button = QPushButton()
+            self.download_without_button.clicked.connect(self._proceed_without_cookies)
+            button_layout.addWidget(self.download_without_button)
+
+            self.cancel_button = QPushButton()
+            self.cancel_button.clicked.connect(self._cancel_download)
+            button_layout.addWidget(self.cancel_button)
+        else:
+            # Add a simple OK button for informational display
+            self.ok_button = QPushButton()
+            self.ok_button.clicked.connect(self._ok_info_only)
+            button_layout.addWidget(self.ok_button)
+
+        main_layout.addLayout(button_layout)
+
+    def _tr(self, key, default_text=""):
+        """Helper to get translation based on the main application's current language."""
+        if callable(get_translation) and self.parent_app:
+            return get_translation(self.parent_app.current_selected_language, key, default_text)
+        return default_text
+
+    def _retranslate_ui(self):
+        """Sets the text for all translatable UI elements."""
+        self.setWindowTitle(self._tr("cookie_help_dialog_title", "Cookie File Instructions"))
+
+        instruction_html = f"""
+        {self._tr("cookie_help_instruction_intro", "<p>To use cookies...</p>")}
+        {self._tr("cookie_help_how_to_get_title", "<p><b>How to get cookies.txt:</b></p>")}
+        <ol>
+            {self._tr("cookie_help_step1_extension_intro", "<li>Install extension...</li>")}
+            {self._tr("cookie_help_step2_login", "<li>Go to website...</li>")}
+            {self._tr("cookie_help_step3_click_icon", "<li>Click icon...</li>")}
+            {self._tr("cookie_help_step4_export", "<li>Click export...</li>")}
+            {self._tr("cookie_help_step5_save_file", "<li>Save file...</li>")}
+            {self._tr("cookie_help_step6_app_intro", "<li>In this application:<ul>")}
+            {self._tr("cookie_help_step6a_checkbox", "<li>Ensure checkbox...</li>")}
+            {self._tr("cookie_help_step6b_browse", "<li>Click browse...</li>")}
+            {self._tr("cookie_help_step6c_select", "<li>Select file...</li></ul></li>")}
+        </ol>
+        {self._tr("cookie_help_alternative_paste", "<p>Alternatively, paste...</p>")}
+        """
+        self.info_label.setText(instruction_html)
+
+        if self.offer_download_without_option:
+            self.download_without_button.setText(self._tr("cookie_help_proceed_without_button", "Download without Cookies"))
+            self.cancel_button.setText(self._tr("cookie_help_cancel_download_button", "Cancel Download"))
+        else:
+            self.ok_button.setText(self._tr("ok_button", "OK"))
+
+    def _apply_theme(self):
+        """Applies the current theme from the parent application."""
+        if self.parent_app and hasattr(self.parent_app, 'get_dark_theme') and self.parent_app.current_theme == "dark":
+            self.setStyleSheet(self.parent_app.get_dark_theme())
+
+    def _proceed_without_cookies(self):
+        """Handles the user choice to proceed without using cookies."""
+        self.user_choice = self.CHOICE_PROCEED_WITHOUT_COOKIES
+        self.accept()
+
+    def _cancel_download(self):
+        """Handles the user choice to cancel the download."""
+        self.user_choice = self.CHOICE_CANCEL_DOWNLOAD
+        self.reject()
+
+    def _ok_info_only(self):
+        """Handles the acknowledgment when the dialog is purely informational."""
+        self.user_choice = self.CHOICE_OK_INFO_ONLY
+        self.accept()

src/ui/dialogs/DownloadExtractedLinksDialog.py

@@ -0,0 +1,183 @@
+# --- Standard Library Imports ---
+from collections import defaultdict
+
+# --- PyQt5 Imports ---
+from PyQt5.QtCore import pyqtSignal, Qt
+from PyQt5.QtWidgets import (
+    QApplication, QDialog, QHBoxLayout, QLabel, QListWidget, QListWidgetItem,
+    QMessageBox, QPushButton, QVBoxLayout, QAbstractItemView
+)
+
+# --- Local Application Imports ---
+# This assumes the new project structure is in place.
+from ...i18n.translator import get_translation
+# get_app_icon_object is defined in the main window module in this refactoring plan.
+from ..main_window import get_app_icon_object
+
+
+class DownloadExtractedLinksDialog(QDialog):
+    """
+    A dialog to select and initiate the download for extracted, supported links
+    from external cloud services like Mega, Google Drive, and Dropbox.
+    """
+
+    # Signal emitted with a list of selected link information dictionaries
+    download_requested = pyqtSignal(list)
+
+    def __init__(self, links_data, parent_app, parent=None):
+        """
+        Initializes the dialog.
+
+        Args:
+            links_data (list): A list of dictionaries, each containing info about an extracted link.
+            parent_app (DownloaderApp): A reference to the main application window for theming and translations.
+            parent (QWidget, optional): The parent widget. Defaults to None.
+        """
+        super().__init__(parent)
+        self.links_data = links_data
+        self.parent_app = parent_app
+
+        # --- Basic Window Setup ---
+        app_icon = get_app_icon_object()
+        if not app_icon.isNull():
+            self.setWindowIcon(app_icon)
+
+        # Set window size dynamically based on the parent window's size
+        if parent:
+            parent_width = parent.width()
+            parent_height = parent.height()
+            # Use a scaling factor for different screen resolutions
+            screen_height = QApplication.primaryScreen().availableGeometry().height() if QApplication.primaryScreen() else 768
+            scale_factor = screen_height / 768.0
+
+            base_min_w, base_min_h = 500, 400
+            scaled_min_w = int(base_min_w * scale_factor)
+            scaled_min_h = int(base_min_h * scale_factor)
+
+            self.setMinimumSize(scaled_min_w, scaled_min_h)
+            self.resize(max(int(parent_width * 0.6 * scale_factor), scaled_min_w),
+                        max(int(parent_height * 0.7 * scale_factor), scaled_min_h))
+
+        # --- Initialize UI and Apply Theming ---
+        self._init_ui()
+        self._retranslate_ui()
+        self._apply_theme()
+
+    def _init_ui(self):
+        """Initializes all UI components and layouts for the dialog."""
+        layout = QVBoxLayout(self)
+
+        self.main_info_label = QLabel()
+        self.main_info_label.setAlignment(Qt.AlignHCenter | Qt.AlignTop)
+        self.main_info_label.setWordWrap(True)
+        layout.addWidget(self.main_info_label)
+
+        self.links_list_widget = QListWidget()
+        self.links_list_widget.setSelectionMode(QAbstractItemView.NoSelection)
+        self._populate_list()
+        layout.addWidget(self.links_list_widget)
+
+        # --- Control Buttons ---
+        button_layout = QHBoxLayout()
+        self.select_all_button = QPushButton()
+        self.select_all_button.clicked.connect(lambda: self._set_all_items_checked(Qt.Checked))
+        button_layout.addWidget(self.select_all_button)
+
+        self.deselect_all_button = QPushButton()
+        self.deselect_all_button.clicked.connect(lambda: self._set_all_items_checked(Qt.Unchecked))
+        button_layout.addWidget(self.deselect_all_button)
+        button_layout.addStretch()
+
+        self.download_button = QPushButton()
+        self.download_button.clicked.connect(self._handle_download_selected)
+        self.download_button.setDefault(True)
+        button_layout.addWidget(self.download_button)
+
+        self.cancel_button = QPushButton()
+        self.cancel_button.clicked.connect(self.reject)
+        button_layout.addWidget(self.cancel_button)
+        layout.addLayout(button_layout)
+
+    def _populate_list(self):
+        """Populates the list widget with the provided links, grouped by post title."""
+        grouped_links = defaultdict(list)
+        for link_info_item in self.links_data:
+            post_title_for_group = link_info_item.get('title', 'Untitled Post')
+            grouped_links[post_title_for_group].append(link_info_item)
+
+        sorted_post_titles = sorted(grouped_links.keys(), key=lambda x: x.lower())
+
+        for post_title_key in sorted_post_titles:
+            # Add a non-selectable header for each post
+            header_item = QListWidgetItem(f"{post_title_key}")
+            header_item.setFlags(Qt.NoItemFlags)
+            font = header_item.font()
+            font.setBold(True)
+            font.setPointSize(font.pointSize() + 1)
+            header_item.setFont(font)
+            self.links_list_widget.addItem(header_item)
+
+            # Add checkable items for each link within that post
+            for link_info_data in grouped_links[post_title_key]:
+                platform_display = link_info_data.get('platform', 'unknown').upper()
+                display_text = f"  [{platform_display}] {link_info_data['link_text']} ({link_info_data['url']})"
+                item = QListWidgetItem(display_text)
+                item.setData(Qt.UserRole, link_info_data)
+                item.setFlags(item.flags() | Qt.ItemIsUserCheckable)
+                item.setCheckState(Qt.Checked)
+                self.links_list_widget.addItem(item)
+
+    def _tr(self, key, default_text=""):
+        """Helper to get translation based on current app language."""
+        if callable(get_translation) and self.parent_app:
+            return get_translation(self.parent_app.current_selected_language, key, default_text)
+        return default_text
+
+    def _retranslate_ui(self):
+        """Sets the text for all translatable UI elements."""
+        self.setWindowTitle(self._tr("download_external_links_dialog_title", "Download Selected External Links"))
+        self.main_info_label.setText(self._tr("download_external_links_dialog_main_label", "Found {count} supported link(s)...").format(count=len(self.links_data)))
+        self.select_all_button.setText(self._tr("select_all_button_text", "Select All"))
+        self.deselect_all_button.setText(self._tr("deselect_all_button_text", "Deselect All"))
+        self.download_button.setText(self._tr("download_selected_button_text", "Download Selected"))
+        self.cancel_button.setText(self._tr("fav_posts_cancel_button", "Cancel"))
+
+    def _apply_theme(self):
+        """Applies the current theme from the parent application."""
+        is_dark_theme = self.parent() and hasattr(self.parent_app, 'current_theme') and self.parent_app.current_theme == "dark"
+
+        if is_dark_theme and hasattr(self.parent_app, 'get_dark_theme'):
+            self.setStyleSheet(self.parent_app.get_dark_theme())
+        
+        # Set header text color based on theme
+        header_color = Qt.cyan if is_dark_theme else Qt.blue
+        for i in range(self.links_list_widget.count()):
+            item = self.links_list_widget.item(i)
+            # Headers are not checkable
+            if not item.flags() & Qt.ItemIsUserCheckable:
+                item.setForeground(header_color)
+
+    def _set_all_items_checked(self, check_state):
+        """Sets the checked state for all checkable items in the list."""
+        for i in range(self.links_list_widget.count()):
+            item = self.links_list_widget.item(i)
+            if item.flags() & Qt.ItemIsUserCheckable:
+                item.setCheckState(check_state)
+
+    def _handle_download_selected(self):
+        """Gathers selected links and emits the download_requested signal."""
+        selected_links = []
+        for i in range(self.links_list_widget.count()):
+            item = self.links_list_widget.item(i)
+            if item.flags() & Qt.ItemIsUserCheckable and item.checkState() == Qt.Checked and item.data(Qt.UserRole) is not None:
+                selected_links.append(item.data(Qt.UserRole))
+
+        if selected_links:
+            self.download_requested.emit(selected_links)
+            self.accept()
+        else:
+            QMessageBox.information(
+                self,
+                self._tr("no_selection_title", "No Selection"),
+                self._tr("no_selection_message_links", "Please select at least one link to download.")
+            )

src/ui/dialogs/DownloadHistoryDialog.py

@@ -0,0 +1,221 @@
+# --- Standard Library Imports ---
+import os
+import time
+import json
+# --- PyQt5 Imports ---
+from PyQt5.QtCore import Qt, QStandardPaths, QTimer
+from PyQt5.QtWidgets import (
+    QApplication, QDialog, QHBoxLayout, QLabel, QScrollArea,
+    QPushButton, QVBoxLayout, QSplitter, QWidget, QGroupBox,
+    QFileDialog, QMessageBox
+)
+
+# --- Local Application Imports ---
+from ...i18n.translator import get_translation
+from ..main_window import get_app_icon_object
+
+
+class DownloadHistoryDialog (QDialog ):
+    """Dialog to display download history."""
+    def __init__ (self ,last_3_downloaded_entries ,first_processed_entries ,parent_app ,parent =None ):
+        super ().__init__ (parent )
+        self .parent_app =parent_app 
+        self .last_3_downloaded_entries =last_3_downloaded_entries 
+        self .first_processed_entries =first_processed_entries 
+        self .setModal (True )
+
+        # Patch missing creator_display_name and creator_name using parent_app.creator_name_cache if available
+        creator_name_cache = getattr(parent_app, 'creator_name_cache', None)
+        if creator_name_cache:
+            # Patch left pane (files)
+            for entry in self.last_3_downloaded_entries:
+                if not entry.get('creator_display_name'):
+                    service = entry.get('service', '').lower()
+                    user_id = str(entry.get('user_id', ''))
+                    key = (service, user_id)
+                    entry['creator_display_name'] = creator_name_cache.get(key, entry.get('folder_context_name', 'Unknown Creator/Series'))
+            # Patch right pane (posts)
+            for entry in self.first_processed_entries:
+                if not entry.get('creator_name'):
+                    service = entry.get('service', '').lower()
+                    user_id = str(entry.get('user_id', ''))
+                    key = (service, user_id)
+                    entry['creator_name'] = creator_name_cache.get(key, entry.get('user_id', 'Unknown'))
+
+        app_icon =get_app_icon_object ()
+        if not app_icon .isNull ():
+            self .setWindowIcon (app_icon )
+
+        screen_height =QApplication .primaryScreen ().availableGeometry ().height ()if QApplication .primaryScreen ()else 768 
+        scale_factor =screen_height /768.0 
+        base_min_w ,base_min_h =600 ,450 
+
+        scaled_min_w =int (base_min_w *1.5 *scale_factor )
+        scaled_min_h =int (base_min_h *scale_factor )
+        self .setMinimumSize (scaled_min_w ,scaled_min_h )
+
+        self .setWindowTitle (self ._tr ("download_history_dialog_title_combined","Download History"))
+
+
+        dialog_layout =QVBoxLayout (self )
+        self .setLayout (dialog_layout )
+
+
+        self .main_splitter =QSplitter (Qt .Horizontal )
+        dialog_layout .addWidget (self .main_splitter )
+
+
+        left_pane_widget =QWidget ()
+        left_layout =QVBoxLayout (left_pane_widget )
+        left_header_label =QLabel (self ._tr ("history_last_downloaded_header","Last 3 Files Downloaded:"))
+        left_header_label .setAlignment (Qt .AlignCenter )
+        left_layout .addWidget (left_header_label )
+
+        left_scroll_area =QScrollArea ()
+        left_scroll_area .setWidgetResizable (True )
+        left_scroll_content_widget =QWidget ()
+        left_scroll_layout =QVBoxLayout (left_scroll_content_widget )
+
+        if not self .last_3_downloaded_entries :
+            no_left_history_label =QLabel (self ._tr ("no_download_history_header","No Downloads Yet"))
+            no_left_history_label .setAlignment (Qt .AlignCenter )
+            left_scroll_layout .addWidget (no_left_history_label )
+        else :
+            for entry in self .last_3_downloaded_entries :
+                group_box =QGroupBox (f"{self ._tr ('history_file_label','File:')} {entry .get ('disk_filename','N/A')}")
+                group_layout =QVBoxLayout (group_box )
+                details_text =(
+                f"<b>{self ._tr ('history_from_post_label','From Post:')}</b> {entry .get ('post_title','N/A')} (ID: {entry .get ('post_id','N/A')})<br>"
+                f"<b>{self ._tr ('history_creator_series_label','Creator/Series:')}</b> {entry .get ('creator_display_name','N/A')}<br>"
+                f"<b>{self ._tr ('history_post_uploaded_label','Post Uploaded:')}</b> {entry .get ('upload_date_str','N/A')}<br>"
+                f"<b>{self ._tr ('history_file_downloaded_label','File Downloaded:')}</b> {time .strftime ('%Y-%m-%d %H:%M:%S',time .localtime (entry .get ('download_timestamp',0 )))}<br>"
+                f"<b>{self ._tr ('history_saved_in_folder_label','Saved In Folder:')}</b> {entry .get ('download_path','N/A')}"
+                )
+                details_label =QLabel (details_text )
+                details_label .setWordWrap (True )
+                details_label .setTextFormat (Qt .RichText )
+                group_layout .addWidget (details_label )
+                left_scroll_layout .addWidget (group_box )
+        left_scroll_area .setWidget (left_scroll_content_widget )
+        left_layout .addWidget (left_scroll_area )
+        self .main_splitter .addWidget (left_pane_widget )
+
+
+        right_pane_widget =QWidget ()
+        right_layout =QVBoxLayout (right_pane_widget )
+        right_header_label =QLabel (self ._tr ("first_files_processed_header","First {count} Posts Processed This Session:").format (count =len (self .first_processed_entries )))
+        right_header_label .setAlignment (Qt .AlignCenter )
+        right_layout .addWidget (right_header_label )
+
+        right_scroll_area =QScrollArea ()
+        right_scroll_area .setWidgetResizable (True )
+        right_scroll_content_widget =QWidget ()
+        right_scroll_layout =QVBoxLayout (right_scroll_content_widget )
+
+        if not self .first_processed_entries :
+            no_right_history_label =QLabel (self ._tr ("no_processed_history_header","No Posts Processed Yet"))
+            no_right_history_label .setAlignment (Qt .AlignCenter )
+            right_scroll_layout .addWidget (no_right_history_label )
+        else :
+            for entry in self .first_processed_entries :
+
+                group_box =QGroupBox (f"{self ._tr ('history_post_label','Post:')} {entry .get ('post_title','N/A')} (ID: {entry .get ('post_id','N/A')})")
+                group_layout =QVBoxLayout (group_box )
+                details_text =(
+                f"<b>{self ._tr ('history_creator_label','Creator:')}</b> {entry .get ('creator_name','N/A')}<br>"
+                f"<b>{self ._tr ('history_top_file_label','Top File:')}</b> {entry .get ('top_file_name','N/A')}<br>"
+                f"<b>{self ._tr ('history_num_files_label','Num Files in Post:')}</b> {entry .get ('num_files',0 )}<br>"
+                f"<b>{self ._tr ('history_post_uploaded_label','Post Uploaded:')}</b> {entry .get ('upload_date_str','N/A')}<br>"
+                f"<b>{self ._tr ('history_processed_on_label','Processed On:')}</b> {time .strftime ('%Y-%m-%d %H:%M:%S',time .localtime (entry .get ('download_date_timestamp',0 )))}<br>"
+                f"<b>{self ._tr ('history_saved_to_folder_label','Saved To Folder:')}</b> {entry .get ('download_location','N/A')}"
+                )
+                details_label =QLabel (details_text )
+                details_label .setWordWrap (True )
+                details_label .setTextFormat (Qt .RichText )
+                group_layout .addWidget (details_label )
+                right_scroll_layout .addWidget (group_box )
+        right_scroll_area .setWidget (right_scroll_content_widget )
+        right_layout .addWidget (right_scroll_area )
+        self .main_splitter .addWidget (right_pane_widget )
+
+
+        QTimer .singleShot (0 ,lambda :self .main_splitter .setSizes ([self .width ()//2 ,self .width ()//2 ]))
+
+
+        bottom_button_layout =QHBoxLayout ()
+        self .save_history_button =QPushButton (self ._tr ("history_save_button_text","Save History to .txt"))
+        self .save_history_button .clicked .connect (self ._save_history_to_txt )
+        bottom_button_layout .addStretch (1 )
+        bottom_button_layout .addWidget (self .save_history_button )
+
+        dialog_layout .addLayout (bottom_button_layout )
+
+        if self .parent_app and hasattr (self .parent_app ,'get_dark_theme')and self .parent_app .current_theme =="dark":
+            self .setStyleSheet (self .parent_app .get_dark_theme ())
+
+    def _tr (self ,key ,default_text =""):
+        if callable (get_translation )and self .parent_app :
+            return get_translation (self .parent_app .current_selected_language ,key ,default_text )
+        return default_text 
+
+    def _save_history_to_txt (self ):
+        if not self .last_3_downloaded_entries and not self .first_processed_entries :
+            QMessageBox .information (self ,self ._tr ("no_download_history_header","No Downloads Yet"),
+            self ._tr ("history_nothing_to_save_message","There is no history to save."))
+            return 
+
+        main_download_dir =self .parent_app .dir_input .text ().strip ()
+        default_save_dir =""
+        if main_download_dir and os .path .isdir (main_download_dir ):
+            default_save_dir =main_download_dir 
+        else :
+            fallback_dir =QStandardPaths .writableLocation (QStandardPaths .DocumentsLocation )
+            if fallback_dir and os .path .isdir (fallback_dir ):
+                default_save_dir =fallback_dir 
+            else :
+                default_save_dir =self .parent_app .app_base_dir 
+
+        default_filepath =os .path .join (default_save_dir ,"download_history.txt")
+
+        filepath ,_ =QFileDialog .getSaveFileName (
+        self ,self ._tr ("history_save_dialog_title","Save Download History"),
+        default_filepath ,"Text Files (*.txt);;All Files (*)"
+        )
+
+        if not filepath :
+            return 
+
+        history_content =[]
+        history_content .append (f"{self ._tr ('history_last_downloaded_header','Last 3 Files Downloaded:')}\n")
+        if self .last_3_downloaded_entries :
+            for entry in self .last_3_downloaded_entries :
+                history_content .append (f"  {self ._tr ('history_file_label','File:')} {entry .get ('disk_filename','N/A')}")
+                history_content .append (f"    {self ._tr ('history_from_post_label','From Post:')} {entry .get ('post_title','N/A')} (ID: {entry .get ('post_id','N/A')})")
+                history_content .append (f"    {self ._tr ('history_creator_series_label','Creator/Series:')} {entry .get ('creator_display_name','N/A')}")
+                history_content .append (f"    {self ._tr ('history_post_uploaded_label','Post Uploaded:')} {entry .get ('upload_date_str','N/A')}")
+                history_content .append (f"    {self ._tr ('history_file_downloaded_label','File Downloaded:')} {time .strftime ('%Y-%m-%d %H:%M:%S',time .localtime (entry .get ('download_timestamp',0 )))}")
+                history_content .append (f"    {self ._tr ('history_saved_in_folder_label','Saved In Folder:')} {entry .get ('download_path','N/A')}\n")
+        else :
+            history_content .append (f"  ({self ._tr ('no_download_history_header','No Downloads Yet')})\n")
+
+        history_content .append (f"\n{self ._tr ('first_files_processed_header','First {count} Posts Processed This Session:').format (count =len (self .first_processed_entries ))}\n")
+        if self .first_processed_entries :
+            for entry in self .first_processed_entries :
+                history_content .append (f"  {self ._tr ('history_post_label','Post:')} {entry .get ('post_title','N/A')} (ID: {entry .get ('post_id','N/A')})")
+                history_content .append (f"    {self ._tr ('history_creator_label','Creator:')} {entry .get ('creator_name','N/A')}")
+                history_content .append (f"    {self ._tr ('history_top_file_label','Top File:')} {entry .get ('top_file_name','N/A')}")
+                history_content .append (f"    {self ._tr ('history_num_files_label','Num Files in Post:')} {entry .get ('num_files',0 )}")
+                history_content .append (f"    {self ._tr ('history_post_uploaded_label','Post Uploaded:')} {entry .get ('upload_date_str','N/A')}")
+                history_content .append (f"    {self ._tr ('history_processed_on_label','Processed On:')} {time .strftime ('%Y-%m-%d %H:%M:%S',time .localtime (entry .get ('download_date_timestamp',0 )))}")
+                history_content .append (f"    {self ._tr ('history_saved_to_folder_label','Saved To Folder:')} {entry .get ('download_location','N/A')}\n")
+        else :
+            history_content .append (f"  ({self ._tr ('no_processed_history_header','No Posts Processed Yet')})\n")
+
+        try :
+            with open (filepath ,'w',encoding ='utf-8')as f :
+                f .write ("\n".join (history_content ))
+            QMessageBox .information (self ,self ._tr ("history_export_success_title","History Export Successful"),
+            self ._tr ("history_export_success_message","Successfully exported download history to:\n{filepath}").format (filepath =filepath ))
+        except Exception as e :
+            QMessageBox .critical (self ,self ._tr ("history_export_error_title","History Export Error"),
+            self ._tr ("history_export_error_message","Could not export download history: {error}").format (error =str (e )))

src/ui/dialogs/ErrorFilesDialog.py

@@ -0,0 +1,230 @@
+# --- PyQt5 Imports ---
+from PyQt5.QtCore import pyqtSignal, Qt
+from PyQt5.QtWidgets import (
+    QApplication, QDialog, QHBoxLayout, QLabel, QListWidget, QListWidgetItem,
+    QMessageBox, QPushButton, QVBoxLayout, QAbstractItemView, QFileDialog
+)
+
+# --- Local Application Imports ---
+from ...i18n.translator import get_translation
+from ..assets import get_app_icon_object
+# Corrected Import: The filename uses PascalCase.
+from .ExportOptionsDialog import ExportOptionsDialog
+
+
+class ErrorFilesDialog(QDialog):
+    """
+    Dialog to display files that were skipped due to errors and
+    allows the user to retry downloading them or export the list of URLs.
+    """
+
+    # Signal emitted with a list of file info dictionaries to retry
+    retry_selected_signal = pyqtSignal(list)
+
+    def __init__(self, error_files_info_list, parent_app, parent=None):
+        """
+        Initializes the dialog.
+
+        Args:
+            error_files_info_list (list): A list of dictionaries, each containing
+                                          info about a failed file.
+            parent_app (DownloaderApp): A reference to the main application window
+                                      for theming and translations.
+            parent (QWidget, optional): The parent widget. Defaults to None.
+        """
+        super().__init__(parent)
+        self.parent_app = parent_app
+        self.setModal(True)
+        self.error_files = error_files_info_list
+
+        # --- Basic Window Setup ---
+        app_icon = get_app_icon_object()
+        if app_icon and not app_icon.isNull():
+            self.setWindowIcon(app_icon)
+
+        # Set window size dynamically
+        screen_height = QApplication.primaryScreen().availableGeometry().height() if QApplication.primaryScreen() else 768
+        scale_factor = screen_height / 1080.0
+        base_min_w, base_min_h = 500, 300
+        scaled_min_w = int(base_min_w * scale_factor)
+        scaled_min_h = int(base_min_h * scale_factor)
+        self.setMinimumSize(scaled_min_w, scaled_min_h)
+
+        # --- Initialize UI and Apply Theming ---
+        self._init_ui()
+        self._retranslate_ui()
+        self._apply_theme()
+
+    def _init_ui(self):
+        """Initializes all UI components and layouts for the dialog."""
+        main_layout = QVBoxLayout(self)
+
+        self.info_label = QLabel()
+        self.info_label.setWordWrap(True)
+        main_layout.addWidget(self.info_label)
+
+        if self.error_files:
+            self.files_list_widget = QListWidget()
+            self.files_list_widget.setSelectionMode(QAbstractItemView.NoSelection)
+            self._populate_list()
+            main_layout.addWidget(self.files_list_widget)
+
+        # --- Control Buttons ---
+        buttons_layout = QHBoxLayout()
+        self.select_all_button = QPushButton()
+        self.select_all_button.clicked.connect(self._select_all_items)
+        buttons_layout.addWidget(self.select_all_button)
+
+        self.retry_button = QPushButton()
+        self.retry_button.clicked.connect(self._handle_retry_selected)
+        buttons_layout.addWidget(self.retry_button)
+
+        self.export_button = QPushButton()
+        self.export_button.clicked.connect(self._handle_export_errors_to_txt)
+        buttons_layout.addWidget(self.export_button)
+        buttons_layout.addStretch(1)
+
+        self.ok_button = QPushButton()
+        self.ok_button.clicked.connect(self.accept)
+        self.ok_button.setDefault(True)
+        buttons_layout.addWidget(self.ok_button)
+        main_layout.addLayout(buttons_layout)
+
+        # Enable/disable buttons based on whether there are errors
+        has_errors = bool(self.error_files)
+        self.select_all_button.setEnabled(has_errors)
+        self.retry_button.setEnabled(has_errors)
+        self.export_button.setEnabled(has_errors)
+
+    def _populate_list(self):
+        """Populates the list widget with details of the failed files."""
+        for error_info in self.error_files:
+            filename = error_info.get('forced_filename_override',
+                                      error_info.get('file_info', {}).get('name', 'Unknown Filename'))
+            post_title = error_info.get('post_title', 'Unknown Post')
+            post_id = error_info.get('original_post_id_for_log', 'N/A')
+
+            item_text = f"File: {filename}\nFrom Post: '{post_title}' (ID: {post_id})"
+            list_item = QListWidgetItem(item_text)
+            list_item.setData(Qt.UserRole, error_info)
+            list_item.setFlags(list_item.flags() | Qt.ItemIsUserCheckable)
+            list_item.setCheckState(Qt.Unchecked)
+            self.files_list_widget.addItem(list_item)
+
+    def _tr(self, key, default_text=""):
+        """Helper to get translation based on the main application's current language."""
+        if callable(get_translation) and self.parent_app:
+            return get_translation(self.parent_app.current_selected_language, key, default_text)
+        return default_text
+
+    def _retranslate_ui(self):
+        """Sets the text for all translatable UI elements."""
+        self.setWindowTitle(self._tr("error_files_dialog_title", "Files Skipped Due to Errors"))
+        if not self.error_files:
+            self.info_label.setText(self._tr("error_files_no_errors_label", "No files were recorded as skipped..."))
+        else:
+            self.info_label.setText(self._tr("error_files_found_label", "The following {count} file(s)...").format(count=len(self.error_files)))
+
+        self.select_all_button.setText(self._tr("error_files_select_all_button", "Select All"))
+        self.retry_button.setText(self._tr("error_files_retry_selected_button", "Retry Selected"))
+        self.export_button.setText(self._tr("error_files_export_urls_button", "Export URLs to .txt"))
+        self.ok_button.setText(self._tr("ok_button", "OK"))
+
+    def _apply_theme(self):
+        """Applies the current theme from the parent application."""
+        if self.parent_app and hasattr(self.parent_app, 'current_theme') and self.parent_app.current_theme == "dark":
+            if hasattr(self.parent_app, 'get_dark_theme'):
+                self.setStyleSheet(self.parent_app.get_dark_theme())
+
+    def _select_all_items(self):
+        """Checks all items in the list."""
+        if hasattr(self, 'files_list_widget'):
+            for i in range(self.files_list_widget.count()):
+                self.files_list_widget.item(i).setCheckState(Qt.Checked)
+
+    def _handle_retry_selected(self):
+        """Gathers selected files and emits the retry signal."""
+        if not hasattr(self, 'files_list_widget'):
+            return
+
+        selected_files_for_retry = [
+            self.files_list_widget.item(i).data(Qt.UserRole)
+            for i in range(self.files_list_widget.count())
+            if self.files_list_widget.item(i).checkState() == Qt.Checked
+        ]
+
+        if selected_files_for_retry:
+            self.retry_selected_signal.emit(selected_files_for_retry)
+            self.accept()
+        else:
+            QMessageBox.information(
+                self,
+                self._tr("fav_artists_no_selection_title", "No Selection"),
+                self._tr("error_files_no_selection_retry_message", "Please select at least one file to retry.")
+            )
+
+    def _handle_export_errors_to_txt(self):
+        """Exports the URLs of failed files to a text file."""
+        if not self.error_files:
+            QMessageBox.information(
+                self,
+                self._tr("error_files_no_errors_export_title", "No Errors"),
+                self._tr("error_files_no_errors_export_message", "There are no error file URLs to export.")
+            )
+            return
+
+        options_dialog = ExportOptionsDialog(parent_app=self.parent_app, parent=self)
+        if not options_dialog.exec_() == QDialog.Accepted:
+            return
+
+        export_option = options_dialog.get_selected_option()
+
+        lines_to_export = []
+        for error_item in self.error_files:
+            file_info = error_item.get('file_info', {})
+            url = file_info.get('url')
+
+            if url:
+                if export_option == ExportOptionsDialog.EXPORT_MODE_WITH_DETAILS:
+                    original_filename = file_info.get('name', 'Unknown Filename')
+                    post_title = error_item.get('post_title', 'Unknown Post')
+                    post_id = error_item.get('original_post_id_for_log', 'N/A')
+                    details_string = f" [Post: '{post_title}' (ID: {post_id}), File: '{original_filename}']"
+                    lines_to_export.append(f"{url}{details_string}")
+                else:
+                    lines_to_export.append(url)
+
+        if not lines_to_export:
+            QMessageBox.information(
+                self,
+                self._tr("error_files_no_urls_found_export_title", "No URLs Found"),
+                self._tr("error_files_no_urls_found_export_message", "Could not extract any URLs...")
+            )
+            return
+
+        default_filename = "error_file_links.txt"
+        filepath, _ = QFileDialog.getSaveFileName(
+            self,
+            self._tr("error_files_save_dialog_title", "Save Error File URLs"),
+            default_filename,
+            "Text Files (*.txt);;All Files (*)"
+        )
+
+        if filepath:
+            try:
+                with open(filepath, 'w', encoding='utf-8') as f:
+                    for line in lines_to_export:
+                        f.write(f"{line}\n")
+                QMessageBox.information(
+                    self,
+                    self._tr("error_files_export_success_title", "Export Successful"),
+                    self._tr("error_files_export_success_message", "Successfully exported...").format(
+                        count=len(lines_to_export), filepath=filepath
+                    )
+                )
+            except Exception as e:
+                QMessageBox.critical(
+                    self,
+                    self._tr("error_files_export_error_title", "Export Error"),
+                    self._tr("error_files_export_error_message", "Could not export...").format(error=str(e))
+                )

src/ui/dialogs/ExportOptionsDialog.py

@@ -0,0 +1,118 @@
+# --- PyQt5 Imports ---
+from PyQt5.QtCore import Qt
+from PyQt5.QtWidgets import (
+    QApplication, QDialog, QHBoxLayout, QLabel, QPushButton, QVBoxLayout,
+    QRadioButton, QButtonGroup
+)
+
+# --- Local Application Imports ---
+# This assumes the new project structure is in place.
+from ...i18n.translator import get_translation
+# get_app_icon_object is defined in the main window module in this refactoring plan.
+from ..main_window import get_app_icon_object
+
+
+class ExportOptionsDialog(QDialog):
+    """
+    Dialog to choose the export format for error file links.
+    It allows the user to select between exporting only the URLs or
+    exporting URLs with additional details.
+    """
+    # Constants to define the export modes
+    EXPORT_MODE_LINK_ONLY = 1
+    EXPORT_MODE_WITH_DETAILS = 2
+
+    def __init__(self, parent_app, parent=None):
+        """
+        Initializes the dialog.
+
+        Args:
+            parent_app (DownloaderApp): A reference to the main application window for theming and translations.
+            parent (QWidget, optional): The parent widget. Defaults to None.
+        """
+        super().__init__(parent)
+        self.parent_app = parent_app
+        self.setModal(True)
+        # Default option
+        self.selected_option = self.EXPORT_MODE_LINK_ONLY
+
+        # --- Basic Window Setup ---
+        app_icon = get_app_icon_object()
+        if app_icon and not app_icon.isNull():
+            self.setWindowIcon(app_icon)
+
+        # Set window size dynamically
+        screen_height = QApplication.primaryScreen().availableGeometry().height() if QApplication.primaryScreen() else 768
+        scale_factor = screen_height / 768.0
+        base_min_w = 350
+        scaled_min_w = int(base_min_w * scale_factor)
+        self.setMinimumWidth(scaled_min_w)
+
+        # --- Initialize UI and Apply Theming ---
+        self._init_ui()
+        self._retranslate_ui()
+        self._apply_theme()
+
+    def _init_ui(self):
+        """Initializes all UI components and layouts for the dialog."""
+        layout = QVBoxLayout(self)
+
+        self.description_label = QLabel()
+        layout.addWidget(self.description_label)
+
+        self.radio_group = QButtonGroup(self)
+
+        self.radio_link_only = QRadioButton()
+        self.radio_link_only.setChecked(True)
+        self.radio_group.addButton(self.radio_link_only, self.EXPORT_MODE_LINK_ONLY)
+        layout.addWidget(self.radio_link_only)
+
+        self.radio_with_details = QRadioButton()
+        self.radio_group.addButton(self.radio_with_details, self.EXPORT_MODE_WITH_DETAILS)
+        layout.addWidget(self.radio_with_details)
+
+        # --- Action Buttons ---
+        button_layout = QHBoxLayout()
+        self.export_button = QPushButton()
+        self.export_button.clicked.connect(self._handle_export)
+        self.export_button.setDefault(True)
+
+        self.cancel_button = QPushButton()
+        self.cancel_button.clicked.connect(self.reject)
+
+        button_layout.addStretch(1)
+        button_layout.addWidget(self.export_button)
+        button_layout.addWidget(self.cancel_button)
+        layout.addLayout(button_layout)
+
+    def _tr(self, key, default_text=""):
+        """Helper to get translation based on the main application's current language."""
+        if callable(get_translation) and self.parent_app:
+            return get_translation(self.parent_app.current_selected_language, key, default_text)
+        return default_text
+
+    def _retranslate_ui(self):
+        """Sets the text for all translatable UI elements."""
+        self.setWindowTitle(self._tr("export_options_dialog_title", "Export Options"))
+        self.description_label.setText(self._tr("export_options_description_label", "Choose the format for exporting error file links:"))
+        self.radio_link_only.setText(self._tr("export_options_radio_link_only", "Link per line (URL only)"))
+        self.radio_link_only.setToolTip(self._tr("export_options_radio_link_only_tooltip", "Exports only the direct download URL..."))
+        self.radio_with_details.setText(self._tr("export_options_radio_with_details", "Export with details (URL [Post, File info])"))
+        self.radio_with_details.setToolTip(self._tr("export_options_radio_with_details_tooltip", "Exports the URL followed by details..."))
+        self.export_button.setText(self._tr("export_options_export_button", "Export"))
+        self.cancel_button.setText(self._tr("fav_posts_cancel_button", "Cancel"))
+
+    def _apply_theme(self):
+        """Applies the current theme from the parent application."""
+        if self.parent_app and hasattr(self.parent_app, 'current_theme') and self.parent_app.current_theme == "dark":
+            if hasattr(self.parent_app, 'get_dark_theme'):
+                self.setStyleSheet(self.parent_app.get_dark_theme())
+
+    def _handle_export(self):
+        """Sets the selected export option and accepts the dialog."""
+        self.selected_option = self.radio_group.checkedId()
+        self.accept()
+
+    def get_selected_option(self):
+        """Returns the export mode chosen by the user."""
+        return self.selected_option

src/ui/dialogs/FavoriteArtistsDialog.py

@@ -0,0 +1,288 @@
+# --- Standard Library Imports ---
+import html
+import re
+
+# --- Third-Party Library Imports ---
+import requests
+from PyQt5.QtCore import QCoreApplication, Qt
+from PyQt5.QtWidgets import (
+    QApplication, QDialog, QHBoxLayout, QLabel, QLineEdit, QListWidget,
+    QListWidgetItem, QMessageBox, QPushButton, QVBoxLayout
+)
+
+# --- Local Application Imports ---
+from ...i18n.translator import get_translation
+# Corrected Import: Get the icon from the new assets utility module
+from ..assets import get_app_icon_object 
+from ...utils.network_utils import prepare_cookies_for_request
+from .CookieHelpDialog import CookieHelpDialog
+
+
+class FavoriteArtistsDialog (QDialog ):
+    """Dialog to display and select favorite artists."""
+    def __init__ (self ,parent_app ,cookies_config ):
+        super ().__init__ (parent_app )
+        self .parent_app =parent_app 
+        self .cookies_config =cookies_config 
+        self .all_fetched_artists =[]
+
+        app_icon =get_app_icon_object ()
+        if not app_icon .isNull ():
+            self .setWindowIcon (app_icon )
+        self .selected_artist_urls =[]
+
+        self .setModal (True )
+        self .setMinimumSize (500 ,500 )
+
+        self ._init_ui ()
+        self ._fetch_favorite_artists ()
+
+    def _get_domain_for_service (self ,service_name ):
+        service_lower =service_name .lower ()
+        coomer_primary_services ={'onlyfans','fansly','manyvids','candfans'}
+        if service_lower in coomer_primary_services :
+            return "coomer.su"
+        else :
+            return "kemono.su"
+
+    def _tr (self ,key ,default_text =""):
+        """Helper to get translation based on current app language."""
+        if callable (get_translation )and self .parent_app :
+            return get_translation (self .parent_app .current_selected_language ,key ,default_text )
+        return default_text 
+
+    def _retranslate_ui (self ):
+        self .setWindowTitle (self ._tr ("fav_artists_dialog_title","Favorite Artists"))
+        self .status_label .setText (self ._tr ("fav_artists_loading_status","Loading favorite artists..."))
+        self .search_input .setPlaceholderText (self ._tr ("fav_artists_search_placeholder","Search artists..."))
+        self .select_all_button .setText (self ._tr ("fav_artists_select_all_button","Select All"))
+        self .deselect_all_button .setText (self ._tr ("fav_artists_deselect_all_button","Deselect All"))
+        self .download_button .setText (self ._tr ("fav_artists_download_selected_button","Download Selected"))
+        self .cancel_button .setText (self ._tr ("fav_artists_cancel_button","Cancel"))
+
+    def _init_ui (self ):
+        main_layout =QVBoxLayout (self )
+
+        self .status_label =QLabel ()
+        self .status_label .setAlignment (Qt .AlignCenter )
+        main_layout .addWidget (self .status_label )
+
+        self .search_input =QLineEdit ()
+        self .search_input .textChanged .connect (self ._filter_artist_list_display )
+        main_layout .addWidget (self .search_input )
+
+
+        self .artist_list_widget =QListWidget ()
+        self .artist_list_widget .setStyleSheet ("""
+            QListWidget::item {
+                border-bottom: 1px solid #4A4A4A; /* Slightly softer line */
+                padding-top: 4px;
+                padding-bottom: 4px;
+            }""")
+        main_layout .addWidget (self .artist_list_widget )
+        self .artist_list_widget .setAlternatingRowColors (True )
+        self .search_input .setVisible (False )
+        self .artist_list_widget .setVisible (False )
+
+        combined_buttons_layout =QHBoxLayout ()
+
+        self .select_all_button =QPushButton ()
+        self .select_all_button .clicked .connect (self ._select_all_items )
+        combined_buttons_layout .addWidget (self .select_all_button )
+
+        self .deselect_all_button =QPushButton ()
+        self .deselect_all_button .clicked .connect (self ._deselect_all_items )
+        combined_buttons_layout .addWidget (self .deselect_all_button )
+
+
+        self .download_button =QPushButton ()
+        self .download_button .clicked .connect (self ._accept_selection_action )
+        self .download_button .setEnabled (False )
+        self .download_button .setDefault (True )
+        combined_buttons_layout .addWidget (self .download_button )
+
+        self .cancel_button =QPushButton ()
+        self .cancel_button .clicked .connect (self .reject )
+        combined_buttons_layout .addWidget (self .cancel_button )
+
+        combined_buttons_layout .addStretch (1 )
+        main_layout .addLayout (combined_buttons_layout )
+
+        self ._retranslate_ui ()
+        if hasattr (self .parent_app ,'get_dark_theme')and self .parent_app .current_theme =="dark":
+            self .setStyleSheet (self .parent_app .get_dark_theme ())
+
+
+    def _logger (self ,message ):
+        """Helper to log messages, either to parent app or console."""
+        if hasattr (self .parent_app ,'log_signal')and self .parent_app .log_signal :
+            self .parent_app .log_signal .emit (f"[FavArtistsDialog] {message }")
+        else :
+            print (f"[FavArtistsDialog] {message }")
+
+    def _show_content_elements (self ,show ):
+        """Helper to show/hide content-related widgets."""
+        self .search_input .setVisible (show )
+        self .artist_list_widget .setVisible (show )
+
+    def _fetch_favorite_artists (self ):
+        kemono_fav_url ="https://kemono.su/api/v1/account/favorites?type=artist"
+        coomer_fav_url ="https://coomer.su/api/v1/account/favorites?type=artist"
+
+        self .all_fetched_artists =[]
+        fetched_any_successfully =False 
+        errors_occurred =[]
+        any_cookies_loaded_successfully_for_any_source =False 
+
+        api_sources =[
+        {"name":"Kemono.su","url":kemono_fav_url ,"domain":"kemono.su"},
+        {"name":"Coomer.su","url":coomer_fav_url ,"domain":"coomer.su"}
+        ]
+
+        for source in api_sources :
+            self ._logger (f"Attempting to fetch favorite artists from: {source ['name']} ({source ['url']})")
+            self .status_label .setText (self ._tr ("fav_artists_loading_from_source_status","⏳ Loading favorites from {source_name}...").format (source_name =source ['name']))
+            QCoreApplication .processEvents ()
+
+            cookies_dict_for_source =None 
+            if self .cookies_config ['use_cookie']:
+                cookies_dict_for_source =prepare_cookies_for_request (
+                True ,
+                self .cookies_config ['cookie_text'],
+                self .cookies_config ['selected_cookie_file'],
+                self .cookies_config ['app_base_dir'],
+                self ._logger ,
+                target_domain =source ['domain']
+                )
+                if cookies_dict_for_source :
+                    any_cookies_loaded_successfully_for_any_source =True 
+                else :
+                    self ._logger (f"Warning ({source ['name']}): Cookies enabled but could not be loaded for this domain. Fetch might fail if cookies are required.")
+            try :
+                headers ={'User-Agent':'Mozilla/5.0'}
+                response =requests .get (source ['url'],headers =headers ,cookies =cookies_dict_for_source ,timeout =20 )
+                response .raise_for_status ()
+                artists_data_from_api =response .json ()
+
+                if not isinstance (artists_data_from_api ,list ):
+                    error_msg =f"Error ({source ['name']}): API did not return a list of artists (got {type (artists_data_from_api )})."
+                    self ._logger (error_msg )
+                    errors_occurred .append (error_msg )
+                    continue 
+
+                processed_artists_from_source =0 
+                for artist_entry in artists_data_from_api :
+                    artist_id =artist_entry .get ("id")
+                    artist_name =html .unescape (artist_entry .get ("name","Unknown Artist").strip ())
+                    artist_service_platform =artist_entry .get ("service")
+
+                    if artist_id and artist_name and artist_service_platform :
+                        artist_page_domain =self ._get_domain_for_service (artist_service_platform )
+                        full_url =f"https://{artist_page_domain }/{artist_service_platform }/user/{artist_id }"
+
+                        self .all_fetched_artists .append ({
+                        'name':artist_name ,
+                        'url':full_url ,
+                        'service':artist_service_platform ,
+                        'id':artist_id ,
+                        '_source_api':source ['name']
+                        })
+                        processed_artists_from_source +=1 
+                    else :
+                        self ._logger (f"Warning ({source ['name']}): Skipping favorite artist entry due to missing data: {artist_entry }")
+
+                if processed_artists_from_source >0 :
+                    fetched_any_successfully =True 
+                self ._logger (f"Fetched {processed_artists_from_source } artists from {source ['name']}.")
+
+            except requests .exceptions .RequestException as e :
+                error_msg =f"Error fetching favorites from {source ['name']}: {e }"
+                self ._logger (error_msg )
+                errors_occurred .append (error_msg )
+            except Exception as e :
+                error_msg =f"An unexpected error occurred with {source ['name']}: {e }"
+                self ._logger (error_msg )
+                errors_occurred .append (error_msg )
+
+
+        if self .cookies_config ['use_cookie']and not any_cookies_loaded_successfully_for_any_source :
+            self .status_label .setText (self ._tr ("fav_artists_cookies_required_status","Error: Cookies enabled but could not be loaded for any source."))
+            self ._logger ("Error: Cookies enabled but no cookies loaded for any source. Showing help dialog.")
+            cookie_help_dialog =CookieHelpDialog (self )
+            cookie_help_dialog .exec_ ()
+            self .download_button .setEnabled (False )
+            if not fetched_any_successfully :
+                 errors_occurred .append ("Cookies enabled but could not be loaded for any API source.")
+
+        unique_artists_map ={}
+        for artist in self .all_fetched_artists :
+            key =(artist ['service'].lower (),str (artist ['id']).lower ())
+            if key not in unique_artists_map :
+                unique_artists_map [key ]=artist 
+        self .all_fetched_artists =list (unique_artists_map .values ())
+
+        self .all_fetched_artists .sort (key =lambda x :x ['name'].lower ())
+        self ._populate_artist_list_widget ()
+
+        if fetched_any_successfully and self .all_fetched_artists :
+            self .status_label .setText (self ._tr ("fav_artists_found_status","Found {count} total favorite artist(s).").format (count =len (self .all_fetched_artists )))
+            self ._show_content_elements (True )
+            self .download_button .setEnabled (True )
+        elif not fetched_any_successfully and not errors_occurred :
+             self .status_label .setText (self ._tr ("fav_artists_none_found_status","No favorite artists found on Kemono.su or Coomer.su."))
+             self ._show_content_elements (False )
+             self .download_button .setEnabled (False )
+        else :
+            final_error_message =self ._tr ("fav_artists_failed_status","Failed to fetch favorites.")
+            if errors_occurred :
+                final_error_message +=" Errors: "+"; ".join (errors_occurred )
+            self .status_label .setText (final_error_message )
+            self ._show_content_elements (False )
+            self .download_button .setEnabled (False )
+            if fetched_any_successfully and not self .all_fetched_artists :
+                 self .status_label .setText (self ._tr ("fav_artists_no_favorites_after_processing","No favorite artists found after processing."))
+
+    def _populate_artist_list_widget (self ,artists_to_display =None ):
+        self .artist_list_widget .clear ()
+        source_list =artists_to_display if artists_to_display is not None else self .all_fetched_artists 
+        for artist_data in source_list :
+            item =QListWidgetItem (f"{artist_data ['name']} ({artist_data .get ('service','N/A').capitalize ()})")
+            item .setFlags (item .flags ()|Qt .ItemIsUserCheckable )
+            item .setCheckState (Qt .Unchecked )
+            item .setData (Qt .UserRole ,artist_data )
+            self .artist_list_widget .addItem (item )
+
+    def _filter_artist_list_display (self ):
+        search_text =self .search_input .text ().lower ().strip ()
+        if not search_text :
+            self ._populate_artist_list_widget ()
+            return 
+
+        filtered_artists =[
+        artist for artist in self .all_fetched_artists 
+        if search_text in artist ['name'].lower ()or search_text in artist ['url'].lower ()
+        ]
+        self ._populate_artist_list_widget (filtered_artists )
+
+    def _select_all_items (self ):
+        for i in range (self .artist_list_widget .count ()):
+            self .artist_list_widget .item (i ).setCheckState (Qt .Checked )
+
+    def _deselect_all_items (self ):
+        for i in range (self .artist_list_widget .count ()):
+            self .artist_list_widget .item (i ).setCheckState (Qt .Unchecked )
+
+    def _accept_selection_action (self ):
+        self .selected_artists_data =[]
+        for i in range (self .artist_list_widget .count ()):
+            item =self .artist_list_widget .item (i )
+            if item .checkState ()==Qt .Checked :
+                self .selected_artists_data .append (item .data (Qt .UserRole ))
+
+        if not self .selected_artists_data :
+            QMessageBox .information (self ,"No Selection","Please select at least one artist to download.")
+            return 
+        self .accept ()
+
+    def get_selected_artists (self ):
+        return self .selected_artists_data     

src/ui/dialogs/FavoritePostsDialog.py

@@ -0,0 +1,629 @@
+# --- Standard Library Imports ---
+import html
+import os
+import sys
+import threading
+import time
+import traceback
+import json
+import re
+from collections import defaultdict
+
+# --- Third-Party Library Imports ---
+import requests
+from PyQt5.QtCore import QCoreApplication, Qt, pyqtSignal, QThread
+from PyQt5.QtWidgets import (
+    QApplication, QDialog, QHBoxLayout, QLabel, QLineEdit, QListWidget,
+    QListWidgetItem, QMessageBox, QPushButton, QVBoxLayout, QProgressBar,
+    QWidget, QCheckBox
+)
+
+# --- Local Application Imports ---
+from ...i18n.translator import get_translation
+from ..assets import get_app_icon_object
+from ...utils.network_utils import prepare_cookies_for_request
+# Corrected Import: Import CookieHelpDialog directly from its own module
+from .CookieHelpDialog import CookieHelpDialog
+from ...core.api_client import download_from_api
+
+
+class FavoritePostsFetcherThread (QThread ):
+    """Worker thread to fetch favorite posts and creator names."""
+    status_update =pyqtSignal (str )
+    progress_bar_update =pyqtSignal (int ,int )
+    finished =pyqtSignal (list ,str )
+
+    def __init__ (self ,cookies_config ,parent_logger_func ,target_domain_preference =None ):
+        super ().__init__ ()
+        self .cookies_config =cookies_config 
+        self .parent_logger_func =parent_logger_func 
+        self .target_domain_preference =target_domain_preference 
+        self .cancellation_event =threading .Event ()
+        self .error_key_map ={
+        "Kemono.su":"kemono_su",
+        "Coomer.su":"coomer_su"
+        }
+
+    def _logger (self ,message ):
+        self .parent_logger_func (f"[FavPostsFetcherThread] {message }")
+
+    def run (self ):
+        kemono_fav_posts_url ="https://kemono.su/api/v1/account/favorites?type=post"
+        coomer_fav_posts_url ="https://coomer.su/api/v1/account/favorites?type=post"
+
+        all_fetched_posts_temp =[]
+        error_messages_for_summary =[]
+        fetched_any_successfully =False 
+        any_cookies_loaded_successfully_for_any_source =False 
+
+        self .status_update .emit ("key_fetching_fav_post_list_init")
+        self .progress_bar_update .emit (0 ,0 )
+
+        api_sources =[
+        {"name":"Kemono.su","url":kemono_fav_posts_url ,"domain":"kemono.su"},
+        {"name":"Coomer.su","url":coomer_fav_posts_url ,"domain":"coomer.su"}
+        ]
+
+        api_sources_to_try =[]
+        if self .target_domain_preference :
+            self ._logger (f"Targeting specific domain for favorites: {self .target_domain_preference }")
+            for source_def in api_sources :
+                if source_def ["domain"]==self .target_domain_preference :
+                    api_sources_to_try .append (source_def )
+                    break 
+            if not api_sources_to_try :
+                self ._logger (f"Warning: Preferred domain '{self .target_domain_preference }' not a recognized API source. Fetching from all.")
+                api_sources_to_try =api_sources 
+        else :
+            self ._logger ("No specific domain preference, or both domains have cookies. Will attempt to fetch from all sources.")
+            api_sources_to_try =api_sources 
+
+        for source in api_sources_to_try :
+            if self .cancellation_event .is_set ():
+                self .finished .emit ([],"KEY_FETCH_CANCELLED_DURING")
+                return 
+            cookies_dict_for_source =None 
+            if self .cookies_config ['use_cookie']:
+                cookies_dict_for_source =prepare_cookies_for_request (
+                True ,
+                self .cookies_config ['cookie_text'],
+                self .cookies_config ['selected_cookie_file'],
+                self .cookies_config ['app_base_dir'],
+                self ._logger ,
+                target_domain =source ['domain']
+                )
+                if cookies_dict_for_source :
+                    any_cookies_loaded_successfully_for_any_source =True 
+                else :
+                    self ._logger (f"Warning ({source ['name']}): Cookies enabled but could not be loaded for this domain. Fetch might fail if cookies are required.")
+
+            self ._logger (f"Attempting to fetch favorite posts from: {source ['name']} ({source ['url']})")
+            source_key_part =self .error_key_map .get (source ['name'],source ['name'].lower ().replace ('.','_'))
+            self .status_update .emit (f"key_fetching_from_source_{source_key_part }")
+            QCoreApplication .processEvents ()
+
+            try :
+                headers ={'User-Agent':'Mozilla/5.0'}
+                response =requests .get (source ['url'],headers =headers ,cookies =cookies_dict_for_source ,timeout =20 )
+                response .raise_for_status ()
+                posts_data_from_api =response .json ()
+
+                if not isinstance (posts_data_from_api ,list ):
+                    err_detail =f"Error ({source ['name']}): API did not return a list of posts (got {type (posts_data_from_api )})."
+                    self ._logger (err_detail )
+                    error_messages_for_summary .append (err_detail )
+                    continue 
+
+                processed_posts_from_source =0 
+                for post_entry in posts_data_from_api :
+                    post_id =post_entry .get ("id")
+                    post_title =html .unescape (post_entry .get ("title","Untitled Post").strip ())
+                    service =post_entry .get ("service")
+                    creator_id =post_entry .get ("user")
+                    added_date_str =post_entry .get ("added",post_entry .get ("published",""))
+
+                    if post_id and post_title and service and creator_id :
+                        all_fetched_posts_temp .append ({
+                        'post_id':post_id ,'title':post_title ,'service':service ,
+                        'creator_id':creator_id ,'added_date':added_date_str ,
+                        '_source_api':source ['name']
+                        })
+                        processed_posts_from_source +=1 
+                    else :
+                        self ._logger (f"Warning ({source ['name']}): Skipping favorite post entry due to missing data: {post_entry }")
+
+                if processed_posts_from_source >0 :
+                    fetched_any_successfully =True 
+                self ._logger (f"Fetched {processed_posts_from_source } posts from {source ['name']}.")
+
+            except requests .exceptions .RequestException as e :
+                err_detail =f"Error fetching favorite posts from {source ['name']}: {e }"
+                self ._logger (err_detail )
+                error_messages_for_summary .append (err_detail )
+                if e .response is not None and e .response .status_code ==401 :
+                    self .finished .emit ([],"KEY_AUTH_FAILED")
+                    self ._logger (f"Authorization failed for {source ['name']}, emitting KEY_AUTH_FAILED.")
+                    return 
+            except Exception as e :
+                err_detail =f"An unexpected error occurred with {source ['name']}: {e }"
+                self ._logger (err_detail )
+                error_messages_for_summary .append (err_detail )
+
+        if self .cancellation_event .is_set ():
+            self .finished .emit ([],"KEY_FETCH_CANCELLED_AFTER")
+            return 
+
+
+        if self .cookies_config ['use_cookie']and not any_cookies_loaded_successfully_for_any_source :
+
+            if self .target_domain_preference and not any_cookies_loaded_successfully_for_any_source :
+
+                 domain_key_part =self .error_key_map .get (self .target_domain_preference ,self .target_domain_preference .lower ().replace ('.','_'))
+                 self .finished .emit ([],f"KEY_COOKIES_REQUIRED_BUT_NOT_FOUND_FOR_DOMAIN_{domain_key_part }")
+                 return 
+
+
+            self .finished .emit ([],"KEY_COOKIES_REQUIRED_BUT_NOT_FOUND_GENERIC")
+            return 
+
+        unique_posts_map ={}
+        for post in all_fetched_posts_temp :
+            key =(post ['service'].lower (),str (post ['creator_id']).lower (),str (post ['post_id']).lower ())
+            if key not in unique_posts_map :
+                unique_posts_map [key ]=post 
+        all_fetched_posts_temp =list (unique_posts_map .values ())
+
+        all_fetched_posts_temp .sort (key =lambda x :(x .get ('_source_api','').lower (),x .get ('service','').lower (),str (x .get ('creator_id','')).lower (),(x .get ('added_date')or '')),reverse =False )
+
+        if error_messages_for_summary :
+            error_summary_str ="; ".join (error_messages_for_summary )
+            if not fetched_any_successfully :
+                self .finished .emit ([],f"KEY_FETCH_FAILED_GENERIC_{error_summary_str [:50 ]}")
+            else :
+                 self .finished .emit (all_fetched_posts_temp ,f"KEY_FETCH_PARTIAL_SUCCESS_{error_summary_str [:50 ]}")
+        elif not all_fetched_posts_temp and not fetched_any_successfully and not self .target_domain_preference :
+            self .finished .emit ([],"KEY_NO_FAVORITES_FOUND_ALL_PLATFORMS")
+        else :
+            self .finished .emit (all_fetched_posts_temp ,"KEY_FETCH_SUCCESS")
+
+class PostListItemWidget (QWidget ):
+    """Custom widget for displaying a single post in the FavoritePostsDialog list."""
+    def __init__ (self ,post_data_dict ,parent_dialog_ref ,parent =None ):
+        super ().__init__ (parent )
+        self .post_data =post_data_dict 
+        self .parent_dialog =parent_dialog_ref 
+
+        self .layout =QHBoxLayout (self )
+        self .layout .setContentsMargins (5 ,3 ,5 ,3 )
+        self .layout .setSpacing (10 )
+
+        self .checkbox =QCheckBox ()
+        self .layout .addWidget (self .checkbox )
+
+        self .info_label =QLabel ()
+        self .info_label .setWordWrap (True )
+        self .info_label .setTextFormat (Qt .RichText )
+        self .layout .addWidget (self .info_label ,1 )
+
+        self ._setup_display_text ()
+    def _setup_display_text (self ):
+        suffix_plain =self .post_data .get ('suffix_for_display',"")
+        title_plain =self .post_data .get ('title','Untitled Post')
+        escaped_suffix =html .escape (suffix_plain )
+        escaped_title =html .escape (title_plain )
+        p_style_paragraph ="font-size:10.5pt; margin:0; padding:0;"
+        title_span_style ="font-weight:bold; color:#E0E0E0;"
+        suffix_span_style ="color:#999999; font-weight:normal; font-size:9.5pt;"
+
+        if escaped_suffix :
+            display_html_content =f"<p style='{p_style_paragraph }'><span style='{title_span_style }'>{escaped_title }</span><span style='{suffix_span_style }'>{escaped_suffix }</span></p>"
+        else :
+            display_html_content =f"<p style='{p_style_paragraph }'><span style='{title_span_style }'>{escaped_title }</span></p>"
+
+        self .info_label .setText (display_html_content )
+
+    def isChecked (self ):return self .checkbox .isChecked ()
+    def setCheckState (self ,state ):self .checkbox .setCheckState (state )
+    def get_post_data (self ):return self .post_data 
+
+class FavoritePostsDialog (QDialog ):
+    """Dialog to display and select favorite posts."""
+    def __init__ (self ,parent_app ,cookies_config ,known_names_list_ref ,target_domain_preference =None ):
+        super ().__init__ (parent_app )
+        self .parent_app =parent_app 
+        self .cookies_config =cookies_config 
+        self .all_fetched_posts =[]
+        self .selected_posts_data =[]
+        self .known_names_list_ref =known_names_list_ref 
+        self .target_domain_preference_for_this_fetch =target_domain_preference 
+        self .creator_name_cache ={}
+        self .displayable_grouped_posts ={}
+        self .fetcher_thread =None 
+
+        app_icon =get_app_icon_object ()
+        if not app_icon .isNull ():
+            self .setWindowIcon (app_icon )
+
+        self .setModal (True )
+        self .setMinimumSize (600 ,600 )
+        if hasattr (self .parent_app ,'get_dark_theme'):
+            self .setStyleSheet (self .parent_app .get_dark_theme ())
+
+        self ._init_ui ()
+        self ._load_creator_names_from_file ()
+        self ._retranslate_ui ()
+        self ._start_fetching_favorite_posts ()
+
+    def _update_status_label_from_key (self ,status_key ):
+        """Translates a status key and updates the status label."""
+
+        translated_status =self ._tr (status_key .lower (),status_key )
+        self .status_label .setText (translated_status )
+
+    def _init_ui (self ):
+        main_layout =QVBoxLayout (self )
+
+        self .status_label =QLabel ()
+        self .status_label .setAlignment (Qt .AlignCenter )
+        main_layout .addWidget (self .status_label )
+
+        self .progress_bar =QProgressBar ()
+        self .progress_bar .setTextVisible (False )
+        self .progress_bar .setVisible (False )
+        main_layout .addWidget (self .progress_bar )
+
+        self .search_input =QLineEdit ()
+
+        self .search_input .textChanged .connect (self ._filter_post_list_display )
+        main_layout .addWidget (self .search_input )
+
+        self .post_list_widget =QListWidget ()
+        self .post_list_widget .setStyleSheet ("""
+            QListWidget::item {
+                border-bottom: 1px solid #4A4A4A;
+                padding-top: 4px;
+                padding-bottom: 4px;
+            }""")
+        self .post_list_widget .setAlternatingRowColors (True )
+        main_layout .addWidget (self .post_list_widget )
+
+        combined_buttons_layout =QHBoxLayout ()
+        self .select_all_button =QPushButton ()
+        self .select_all_button .clicked .connect (self ._select_all_items )
+        combined_buttons_layout .addWidget (self .select_all_button )
+
+        self .deselect_all_button =QPushButton ()
+        self .deselect_all_button .clicked .connect (self ._deselect_all_items )
+        combined_buttons_layout .addWidget (self .deselect_all_button )
+
+        self .download_button =QPushButton ()
+        self .download_button .clicked .connect (self ._accept_selection_action )
+        self .download_button .setEnabled (False )
+        self .download_button .setDefault (True )
+        combined_buttons_layout .addWidget (self .download_button )
+
+        self .cancel_button =QPushButton ()
+        self .cancel_button .clicked .connect (self .reject )
+        combined_buttons_layout .addWidget (self .cancel_button )
+        combined_buttons_layout .addStretch (1 )
+        main_layout .addLayout (combined_buttons_layout )
+
+    def _tr (self ,key ,default_text =""):
+        """Helper to get translation based on current app language."""
+        if callable (get_translation )and self .parent_app :
+            return get_translation (self .parent_app .current_selected_language ,key ,default_text )
+        return default_text 
+
+    def _retranslate_ui (self ):
+        self .setWindowTitle (self ._tr ("fav_posts_dialog_title","Favorite Posts"))
+        self .status_label .setText (self ._tr ("fav_posts_loading_status","Loading favorite posts..."))
+        self .search_input .setPlaceholderText (self ._tr ("fav_posts_search_placeholder","Search posts (title, creator name, ID, service)..."))
+        self .select_all_button .setText (self ._tr ("fav_posts_select_all_button","Select All"))
+        self .deselect_all_button .setText (self ._tr ("fav_posts_deselect_all_button","Deselect All"))
+        self .download_button .setText (self ._tr ("fav_posts_download_selected_button","Download Selected"))
+        self .cancel_button .setText (self ._tr ("fav_posts_cancel_button","Cancel"))
+
+    def _logger (self ,message ):
+        if hasattr (self .parent_app ,'log_signal')and self .parent_app .log_signal :
+            self .parent_app .log_signal .emit (f"[FavPostsDialog] {message }")
+        else :
+            print (f"[FavPostsDialog] {message }")
+
+    def _load_creator_names_from_file (self ):
+        """Loads creator id-name-service mappings from creators.txt."""
+        self ._logger ("Attempting to load creators.json for Favorite Posts Dialog.")
+         
+        if getattr (sys ,'frozen',False )and hasattr (sys ,'_MEIPASS'):
+            base_path_for_creators =sys ._MEIPASS 
+            self ._logger (f"  Running bundled. Using _MEIPASS: {base_path_for_creators }")
+        else :
+            base_path_for_creators =self .parent_app .app_base_dir 
+            self ._logger (f"  Not bundled or _MEIPASS unavailable. Using app_base_dir: {base_path_for_creators }")
+        creators_file_path = os.path.join(base_path_for_creators, "data", "creators.json")
+        self ._logger (f"Full path to creators.json: {creators_file_path }")
+
+        if not os .path .exists (creators_file_path ):
+            self ._logger (f"Warning: 'creators.json' not found at {creators_file_path }. Creator names will not be displayed.")
+            return 
+
+        try :
+            with open (creators_file_path ,'r',encoding ='utf-8')as f :
+                loaded_data =json .load (f )
+
+                if isinstance (loaded_data ,list )and len (loaded_data )>0 and isinstance (loaded_data [0 ],list ):
+                    creators_list =loaded_data [0 ]
+                elif isinstance (loaded_data ,list )and all (isinstance (item ,dict )for item in loaded_data ):
+                    creators_list =loaded_data 
+                else :
+                    self ._logger (f"Warning: 'creators.json' has an unexpected format. Expected a list of lists or a flat list of creator objects.")
+                    return 
+
+                for creator_data in creators_list :
+                    creator_id =creator_data .get ("id")
+                    name =creator_data .get ("name")
+                    service =creator_data .get ("service")
+                    if creator_id and name and service :
+                        self .creator_name_cache [(service .lower (),str (creator_id ))]=name 
+            self ._logger (f"Successfully loaded {len (self .creator_name_cache )} creator names from 'creators.json'.")
+        except Exception as e :
+            self ._logger (f"Error loading 'creators.json': {e }")
+
+    def _start_fetching_favorite_posts (self ):
+        self .download_button .setEnabled (False )
+        self .status_label .setText ("Initializing favorite posts fetch...")
+
+        self .fetcher_thread =FavoritePostsFetcherThread (
+        self .cookies_config ,
+        self .parent_app .log_signal .emit ,
+        target_domain_preference =self .target_domain_preference_for_this_fetch 
+        )
+        self .fetcher_thread .status_update .connect (self ._update_status_label_from_key )
+        self .fetcher_thread .finished .connect (self ._on_fetch_completed )
+        self .fetcher_thread .progress_bar_update .connect (self ._set_progress_bar_value )
+        self .progress_bar .setVisible (True )
+        self .fetcher_thread .start ()
+
+    def _set_progress_bar_value (self ,value ,maximum ):
+        if maximum ==0 :
+            self .progress_bar .setRange (0 ,0 )
+            self .progress_bar .setValue (0 )
+        else :
+            self .progress_bar .setRange (0 ,maximum )
+            self .progress_bar .setValue (value )
+
+    def _on_fetch_completed (self ,fetched_posts_list ,status_key ):
+        self .progress_bar .setVisible (False )
+
+        proceed_to_display_posts =False 
+        show_error_message_box =False 
+        message_box_title_key ="fav_posts_fetch_error_title"
+        message_box_text_key ="fav_posts_fetch_error_message"
+        message_box_params ={'domain':self .target_domain_preference_for_this_fetch or "platform",'error_message_part':""}
+        status_label_text_key =None 
+
+        if status_key =="KEY_FETCH_SUCCESS":
+            proceed_to_display_posts =True 
+        elif status_key and status_key .startswith ("KEY_FETCH_PARTIAL_SUCCESS_")and fetched_posts_list :
+            displayable_detail =status_key .replace ("KEY_FETCH_PARTIAL_SUCCESS_","").replace ("_"," ")
+            self ._logger (f"Partial success with posts: {status_key } -> {displayable_detail }")
+
+
+            proceed_to_display_posts =True 
+        elif status_key :
+            specific_domain_msg_part =f" for {self .target_domain_preference_for_this_fetch }"if self .target_domain_preference_for_this_fetch else ""
+
+            if status_key .startswith ("KEY_COOKIES_REQUIRED_BUT_NOT_FOUND_FOR_DOMAIN_")or status_key =="KEY_COOKIES_REQUIRED_BUT_NOT_FOUND_GENERIC":
+                status_label_text_key ="fav_posts_cookies_required_error"
+                self ._logger (f"Cookie error: {status_key }. Showing help dialog.")
+                cookie_help_dialog =CookieHelpDialog (self )
+                cookie_help_dialog .exec_ ()
+            elif status_key =="KEY_AUTH_FAILED":
+                status_label_text_key ="fav_posts_auth_failed_title"
+                self ._logger (f"Auth error: {status_key }. Showing help dialog.")
+                QMessageBox .warning (self ,self ._tr ("fav_posts_auth_failed_title","Authorization Failed (Posts)"),
+                self ._tr ("fav_posts_auth_failed_message_generic","...").format (domain_specific_part =specific_domain_msg_part ))
+                cookie_help_dialog =CookieHelpDialog (self )
+                cookie_help_dialog .exec_ ()
+            elif status_key =="KEY_NO_FAVORITES_FOUND_ALL_PLATFORMS":
+                status_label_text_key ="fav_posts_no_posts_found_status"
+                self ._logger (status_key )
+            elif status_key .startswith ("KEY_FETCH_CANCELLED"):
+                status_label_text_key ="fav_posts_fetch_cancelled_status"
+                self ._logger (status_key )
+            else :
+                displayable_error_detail =status_key 
+                if status_key .startswith ("KEY_FETCH_FAILED_GENERIC_"):
+                    displayable_error_detail =status_key .replace ("KEY_FETCH_FAILED_GENERIC_","").replace ("_"," ")
+                elif status_key .startswith ("KEY_FETCH_PARTIAL_SUCCESS_"):
+                    displayable_error_detail =status_key .replace ("KEY_FETCH_PARTIAL_SUCCESS_","Partial success but no posts: ").replace ("_"," ")
+
+                message_box_params ['error_message_part']=f":\n\n{displayable_error_detail }"if displayable_error_detail else ""
+                status_label_text_key ="fav_posts_fetch_error_message"
+                show_error_message_box =True 
+                self ._logger (f"Fetch error: {status_key } -> {displayable_error_detail }")
+
+            if status_label_text_key :
+                 self .status_label .setText (self ._tr (status_label_text_key ,status_label_text_key ).format (**message_box_params ))
+            if show_error_message_box :
+                 QMessageBox .critical (self ,self ._tr (message_box_title_key ),self ._tr (message_box_text_key ).format (**message_box_params ))
+
+            self .download_button .setEnabled (False )
+            return 
+
+
+        if not proceed_to_display_posts :
+            if not status_label_text_key :
+                self .status_label .setText (self ._tr ("fav_posts_cookies_required_error","Error: Cookies are required for favorite posts but could not be loaded."))
+            self .download_button .setEnabled (False )
+            return 
+
+        if not self .creator_name_cache :
+            self ._logger ("Warning: Creator name cache is empty. Names will not be resolved from creators.json. Displaying IDs instead.")
+        else :
+            self ._logger (f"Creator name cache has {len (self .creator_name_cache )} entries. Attempting to resolve names...")
+            sample_keys =list (self .creator_name_cache .keys ())[:3 ]
+            if sample_keys :
+                self ._logger (f"Sample keys from creator_name_cache: {sample_keys }")
+
+
+        processed_one_missing_log =False 
+        for post_entry in fetched_posts_list :
+            service_from_post =post_entry .get ('service','')
+            creator_id_from_post =post_entry .get ('creator_id','')
+
+            lookup_key_service =service_from_post .lower ()
+            lookup_key_id =str (creator_id_from_post )
+            lookup_key_tuple =(lookup_key_service ,lookup_key_id )
+
+            resolved_name =self .creator_name_cache .get (lookup_key_tuple )
+
+            if resolved_name :
+                post_entry ['creator_name_resolved']=resolved_name 
+            else :
+                post_entry ['creator_name_resolved']=str (creator_id_from_post )
+                if not processed_one_missing_log and self .creator_name_cache :
+                    self ._logger (f"Debug: Name not found for key {lookup_key_tuple }. Using ID '{creator_id_from_post }'.")
+                    processed_one_missing_log =True 
+
+        self .all_fetched_posts =fetched_posts_list 
+
+        if not self .all_fetched_posts :
+            self .status_label .setText (self ._tr ("fav_posts_no_posts_found_status","No favorite posts found."))
+            self .download_button .setEnabled (False )
+            return 
+
+        try :
+            self ._populate_post_list_widget ()
+            self .status_label .setText (self ._tr ("fav_posts_found_status","{count} favorite post(s) found.").format (count =len (self .all_fetched_posts )))
+            self .download_button .setEnabled (True )
+        except Exception as e :
+            self .status_label .setText (self ._tr ("fav_posts_display_error_status","Error displaying posts: {error}").format (error =str (e )))
+            self ._logger (f"Error during _populate_post_list_widget: {e }\n{traceback .format_exc (limit =3 )}")
+            QMessageBox .critical (self ,self ._tr ("fav_posts_ui_error_title","UI Error"),self ._tr ("fav_posts_ui_error_message","Could not display favorite posts: {error}").format (error =str (e )))
+            self .download_button .setEnabled (False )
+
+
+    def _find_best_known_name_match_in_title (self ,title_raw ):
+        if not title_raw or not self .known_names_list_ref :
+            return None 
+
+        title_lower =title_raw .lower ()
+        best_match_known_name_primary =None 
+        longest_match_len =0 
+
+        for known_entry in self .known_names_list_ref :
+            aliases_to_check =set ()
+            for alias_val in known_entry .get ("aliases",[]):
+                aliases_to_check .add (alias_val )
+            if not known_entry .get ("is_group",False ):
+                aliases_to_check .add (known_entry ["name"])
+            sorted_aliases_for_entry =sorted (list (aliases_to_check ),key =len ,reverse =True )
+
+            for alias in sorted_aliases_for_entry :
+                alias_lower =alias .lower ()
+                if not alias_lower :
+                    continue 
+                if re .search (r'\b'+re .escape (alias_lower )+r'\b',title_lower ):
+                    if len (alias_lower )>longest_match_len :
+                        longest_match_len =len (alias_lower )
+                        best_match_known_name_primary =known_entry ["name"]
+                    break 
+        return best_match_known_name_primary 
+
+    def _populate_post_list_widget (self ,posts_to_display =None ):
+        self .post_list_widget .clear ()
+
+        source_list_for_grouping =posts_to_display if posts_to_display is not None else self .all_fetched_posts 
+        grouped_posts ={}
+        for post in source_list_for_grouping :
+            service =post .get ('service','unknown_service')
+            creator_id =post .get ('creator_id','unknown_id')
+            group_key =(service ,creator_id )
+            if group_key not in grouped_posts :
+                grouped_posts [group_key ]=[]
+            grouped_posts [group_key ].append (post )
+
+        sorted_group_keys =sorted (grouped_posts .keys (),key =lambda x :(x [0 ].lower (),x [1 ].lower ()))
+
+        self .displayable_grouped_posts ={
+        key :sorted (grouped_posts [key ],key =lambda p :(p .get ('added_date')or ''),reverse =True )
+        for key in sorted_group_keys 
+        }
+        for service ,creator_id_val in sorted_group_keys :
+            creator_name_display =self .creator_name_cache .get (
+            (service .lower (),str (creator_id_val )),
+            str (creator_id_val )
+            )
+            artist_header_display_text =f"{creator_name_display } ({service .capitalize ()} / {creator_id_val })"
+            artist_header_item =QListWidgetItem (f"🎨 {artist_header_display_text }")
+            artist_header_item .setFlags (Qt .NoItemFlags )
+            font =artist_header_item .font ()
+            font .setBold (True )
+            font .setPointSize (font .pointSize ()+1 )
+            artist_header_item .setFont (font )
+            artist_header_item .setForeground (Qt .cyan )
+            self .post_list_widget .addItem (artist_header_item )
+            for post_data in self .displayable_grouped_posts [(service ,creator_id_val )]:
+                post_title_raw =post_data .get ('title','Untitled Post')
+                found_known_name_primary =self ._find_best_known_name_match_in_title (post_title_raw )
+
+                plain_text_title_for_list_item =post_title_raw 
+                if found_known_name_primary :
+                    suffix_text =f" [Known - {found_known_name_primary }]"
+                    post_data ['suffix_for_display']=suffix_text 
+                    plain_text_title_for_list_item =post_title_raw +suffix_text 
+                else :
+                    post_data .pop ('suffix_for_display',None )
+
+                list_item =QListWidgetItem (self .post_list_widget )
+                list_item .setText (plain_text_title_for_list_item )
+                list_item .setFlags (list_item .flags ()|Qt .ItemIsUserCheckable )
+                list_item .setCheckState (Qt .Unchecked )
+                list_item .setData (Qt .UserRole ,post_data )
+                self .post_list_widget .addItem (list_item )
+
+    def _filter_post_list_display (self ):
+        search_text =self .search_input .text ().lower ().strip ()
+        if not search_text :
+            self ._populate_post_list_widget (self .all_fetched_posts )
+            return 
+
+        filtered_posts_to_group =[]
+        for post in self .all_fetched_posts :
+            matches_post_title =search_text in post .get ('title','').lower ()
+            matches_creator_name =search_text in post .get ('creator_name_resolved','').lower ()
+            matches_creator_id =search_text in post .get ('creator_id','').lower ()
+            matches_service =search_text in post ['service'].lower ()
+
+            if matches_post_title or matches_creator_name or matches_creator_id or matches_service :
+                filtered_posts_to_group .append (post )
+
+        self ._populate_post_list_widget (filtered_posts_to_group )
+
+    def _select_all_items (self ):
+        for i in range (self .post_list_widget .count ()):
+            item =self .post_list_widget .item (i )
+            if item and item .flags ()&Qt .ItemIsUserCheckable :
+                item .setCheckState (Qt .Checked )
+
+    def _deselect_all_items (self ):
+        for i in range (self .post_list_widget .count ()):
+            item =self .post_list_widget .item (i )
+            if item and item .flags ()&Qt .ItemIsUserCheckable :
+                item .setCheckState (Qt .Unchecked )
+
+    def _accept_selection_action (self ):
+        self .selected_posts_data =[]
+        for i in range (self .post_list_widget .count ()):
+            item =self .post_list_widget .item (i )
+            if item and item .checkState ()==Qt .Checked :
+                post_data_for_download =item .data (Qt .UserRole )
+                self .selected_posts_data .append (post_data_for_download )
+
+        if not self .selected_posts_data :
+            QMessageBox .information (self ,self ._tr ("fav_posts_no_selection_title","No Selection"),self ._tr ("fav_posts_no_selection_message","Please select at least one post to download."))
+            return 
+        self .accept ()
+
+    def get_selected_posts (self ):
+        return self .selected_posts_data 

src/ui/dialogs/FutureSettingsDialog.py

@@ -0,0 +1,202 @@
+# --- Standard Library Imports ---
+import os
+
+# --- PyQt5 Imports ---
+from PyQt5.QtCore import Qt, QStandardPaths
+from PyQt5.QtWidgets import (
+    QApplication, QDialog, QHBoxLayout, QLabel, QPushButton, QVBoxLayout,
+    QGroupBox, QComboBox, QMessageBox
+)
+
+# --- Local Application Imports ---
+# This assumes the new project structure is in place.
+from ...i18n.translator import get_translation
+from ..main_window import get_app_icon_object
+from ...config.constants import (
+    THEME_KEY, LANGUAGE_KEY, DOWNLOAD_LOCATION_KEY
+)
+
+
+class FutureSettingsDialog(QDialog):
+    """
+    A dialog for managing application-wide settings like theme, language,
+    and saving the default download path.
+    """
+    def __init__(self, parent_app_ref, parent=None):
+        """
+        Initializes the dialog.
+
+        Args:
+            parent_app_ref (DownloaderApp): A reference to the main application window.
+            parent (QWidget, optional): The parent widget. Defaults to None.
+        """
+        super().__init__(parent)
+        self.parent_app = parent_app_ref
+        self.setModal(True)
+
+        # --- Basic Window Setup ---
+        app_icon = get_app_icon_object()
+        if app_icon and not app_icon.isNull():
+            self.setWindowIcon(app_icon)
+        
+        # Set window size dynamically
+        screen_height = QApplication.primaryScreen().availableGeometry().height() if QApplication.primaryScreen() else 768
+        scale_factor = screen_height / 768.0
+        base_min_w, base_min_h = 380, 250
+        scaled_min_w = int(base_min_w * scale_factor)
+        scaled_min_h = int(base_min_h * scale_factor)
+        self.setMinimumSize(scaled_min_w, scaled_min_h)
+
+        # --- Initialize UI and Apply Theming ---
+        self._init_ui()
+        self._retranslate_ui()
+        self._apply_theme()
+
+    def _init_ui(self):
+        """Initializes all UI components and layouts for the dialog."""
+        layout = QVBoxLayout(self)
+
+        # --- Appearance Settings ---
+        self.appearance_group_box = QGroupBox()
+        appearance_layout = QVBoxLayout(self.appearance_group_box)
+        self.theme_toggle_button = QPushButton()
+        self.theme_toggle_button.clicked.connect(self._toggle_theme)
+        appearance_layout.addWidget(self.theme_toggle_button)
+        layout.addWidget(self.appearance_group_box)
+
+        # --- Language Settings ---
+        self.language_group_box = QGroupBox()
+        language_group_layout = QVBoxLayout(self.language_group_box)
+        self.language_selection_layout = QHBoxLayout()
+        self.language_label = QLabel()
+        self.language_selection_layout.addWidget(self.language_label)
+        self.language_combo_box = QComboBox()
+        self.language_combo_box.currentIndexChanged.connect(self._language_selection_changed)
+        self.language_selection_layout.addWidget(self.language_combo_box, 1)
+        language_group_layout.addLayout(self.language_selection_layout)
+        layout.addWidget(self.language_group_box)
+        
+        # --- Download Settings ---
+        self.download_settings_group_box = QGroupBox()
+        download_settings_layout = QVBoxLayout(self.download_settings_group_box)
+        self.save_path_button = QPushButton()
+        self.save_path_button.clicked.connect(self._save_download_path)
+        download_settings_layout.addWidget(self.save_path_button)
+        layout.addWidget(self.download_settings_group_box)
+
+        layout.addStretch(1)
+
+        # --- OK Button ---
+        self.ok_button = QPushButton()
+        self.ok_button.clicked.connect(self.accept)
+        layout.addWidget(self.ok_button, 0, Qt.AlignRight | Qt.AlignBottom)
+
+    def _tr(self, key, default_text=""):
+        """Helper to get translation based on the main application's current language."""
+        if callable(get_translation) and self.parent_app:
+            return get_translation(self.parent_app.current_selected_language, key, default_text)
+        return default_text
+
+    def _retranslate_ui(self):
+        """Sets the text for all translatable UI elements."""
+        self.setWindowTitle(self._tr("settings_dialog_title", "Settings"))
+        self.appearance_group_box.setTitle(self._tr("appearance_group_title", "Appearance"))
+        self.language_group_box.setTitle(self._tr("language_group_title", "Language Settings"))
+        self.download_settings_group_box.setTitle(self._tr("settings_download_group_title", "Download Settings"))
+        self.language_label.setText(self._tr("language_label", "Language:"))
+        self._update_theme_toggle_button_text()
+        self._populate_language_combo_box()
+        
+        self.save_path_button.setText(self._tr("settings_save_path_button", "Save Current Download Path"))
+        self.save_path_button.setToolTip(self._tr("settings_save_path_tooltip", "Save the current 'Download Location' for future sessions."))
+        self.ok_button.setText(self._tr("ok_button", "OK"))
+
+    def _apply_theme(self):
+        """Applies the current theme from the parent application."""
+        if self.parent_app.current_theme == "dark":
+            self.setStyleSheet(self.parent_app.get_dark_theme())
+        else:
+            self.setStyleSheet("")
+
+    def _update_theme_toggle_button_text(self):
+        """Updates the theme button text and tooltip based on the current theme."""
+        if self.parent_app.current_theme == "dark":
+            self.theme_toggle_button.setText(self._tr("theme_toggle_light", "Switch to Light Mode"))
+            self.theme_toggle_button.setToolTip(self._tr("theme_tooltip_light", "Change the application appearance to light."))
+        else:
+            self.theme_toggle_button.setText(self._tr("theme_toggle_dark", "Switch to Dark Mode"))
+            self.theme_toggle_button.setToolTip(self._tr("theme_tooltip_dark", "Change the application appearance to dark."))
+
+    def _toggle_theme(self):
+        """Toggles the application theme and updates the UI."""
+        new_theme = "light" if self.parent_app.current_theme == "dark" else "dark"
+        self.parent_app.apply_theme(new_theme)
+        self._retranslate_ui()
+        self._apply_theme()
+
+    def _populate_language_combo_box(self):
+        """Populates the language dropdown with available languages."""
+        self.language_combo_box.blockSignals(True)
+        self.language_combo_box.clear()
+        languages = [
+        ("en","English"),
+        ("ja","日本語 (Japanese)"),
+        ("fr","Français (French)"),
+        ("de","Deutsch (German)"),
+        ("es","Español (Spanish)"),
+        ("pt","Português (Portuguese)"),
+        ("ru","Русский (Russian)"),
+        ("zh_CN","简体中文 (Simplified Chinese)"),
+        ("zh_TW","繁體中文 (Traditional Chinese)"),
+        ("ko","한국어 (Korean)")
+        ]
+        for lang_code, lang_name in languages:
+            self.language_combo_box.addItem(lang_name, lang_code)
+            if self.parent_app.current_selected_language == lang_code:
+                self.language_combo_box.setCurrentIndex(self.language_combo_box.count() - 1)
+        self.language_combo_box.blockSignals(False)
+
+    def _language_selection_changed(self, index):
+        """Handles the user selecting a new language."""
+        selected_lang_code = self.language_combo_box.itemData(index)
+        if selected_lang_code and selected_lang_code != self.parent_app.current_selected_language:
+            self.parent_app.current_selected_language = selected_lang_code
+            self.parent_app.settings.setValue(LANGUAGE_KEY, selected_lang_code)
+            self.parent_app.settings.sync()
+            
+            self._retranslate_ui()
+
+            msg_box = QMessageBox(self)
+            msg_box.setIcon(QMessageBox.Information)
+            msg_box.setWindowTitle(self._tr("language_change_title", "Language Changed"))
+            msg_box.setText(self._tr("language_change_message", "A restart is required..."))
+            msg_box.setInformativeText(self._tr("language_change_informative", "Would you like to restart now?"))
+            restart_button = msg_box.addButton(self._tr("restart_now_button", "Restart Now"), QMessageBox.ApplyRole)
+            ok_button = msg_box.addButton(self._tr("ok_button", "OK"), QMessageBox.AcceptRole)
+            msg_box.setDefaultButton(ok_button)
+            msg_box.exec_()
+
+            if msg_box.clickedButton() == restart_button:
+                self.parent_app._request_restart_application()
+
+    def _save_download_path(self):
+        """Saves the current download path from the main window to settings."""
+        if hasattr(self.parent_app, 'dir_input') and self.parent_app.dir_input:
+            current_path = self.parent_app.dir_input.text().strip()
+            if current_path:
+                if os.path.isdir(current_path):
+                    self.parent_app.settings.setValue(DOWNLOAD_LOCATION_KEY, current_path)
+                    self.parent_app.settings.sync()
+                    QMessageBox.information(self,
+                        self._tr("settings_save_path_success_title", "Path Saved"),
+                        self._tr("settings_save_path_success_message", "Download location '{path}' saved.").format(path=current_path))
+                else:
+                    QMessageBox.warning(self,
+                        self._tr("settings_save_path_invalid_title", "Invalid Path"),
+                        self._tr("settings_save_path_invalid_message", "The path '{path}' is not a valid directory.").format(path=current_path))
+            else:
+                QMessageBox.warning(self,
+                    self._tr("settings_save_path_empty_title", "Empty Path"),
+                    self._tr("settings_save_path_empty_message", "Download location cannot be empty."))
+        else:
+            QMessageBox.critical(self, "Error", "Could not access download path input from main application.")

src/ui/dialogs/HelpGuideDialog.py

@@ -0,0 +1,192 @@
+# --- Standard Library Imports ---
+import os
+import sys
+
+# --- PyQt5 Imports ---
+from PyQt5.QtCore import QUrl, QSize, Qt
+from PyQt5.QtGui import QIcon
+from PyQt5.QtWidgets import (
+    QApplication, QDialog, QHBoxLayout, QLabel, QPushButton, QVBoxLayout,
+    QStackedWidget, QScrollArea, QFrame, QWidget
+)
+
+# --- Local Application Imports ---
+from ...i18n.translator import get_translation
+from ..main_window import get_app_icon_object
+
+
+class TourStepWidget(QWidget):
+    """
+    A custom widget representing a single step or page in the feature guide.
+    It neatly formats a title and its corresponding content.
+    """
+    def __init__(self, title_text, content_text, parent=None):
+        super().__init__(parent)
+        layout = QVBoxLayout(self)
+        layout.setContentsMargins(20, 20, 20, 20)
+        layout.setSpacing(10)
+
+        title_label = QLabel(title_text)
+        title_label.setAlignment(Qt.AlignCenter)
+        title_label.setStyleSheet("font-size: 18px; font-weight: bold; color: #E0E0E0; padding-bottom: 15px;")
+        layout.addWidget(title_label)
+
+        scroll_area = QScrollArea()
+        scroll_area.setWidgetResizable(True)
+        scroll_area.setFrameShape(QFrame.NoFrame)
+        scroll_area.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
+        scroll_area.setVerticalScrollBarPolicy(Qt.ScrollBarAsNeeded)
+        scroll_area.setStyleSheet("background-color: transparent;")
+
+        content_label = QLabel(content_text)
+        content_label.setWordWrap(True)
+        content_label.setAlignment(Qt.AlignLeft | Qt.AlignTop)
+        content_label.setTextFormat(Qt.RichText)
+        content_label.setOpenExternalLinks(True) # Allow opening links in the content
+        content_label.setStyleSheet("font-size: 11pt; color: #C8C8C8; line-height: 1.8;")
+        scroll_area.setWidget(content_label)
+        layout.addWidget(scroll_area, 1)
+
+
+class HelpGuideDialog (QDialog ):
+    """A multi-page dialog for displaying the feature guide."""
+    def __init__ (self ,steps_data ,parent_app ,parent =None ):
+        super ().__init__ (parent )
+        self .current_step =0 
+        self .steps_data =steps_data 
+        self .parent_app =parent_app 
+
+        app_icon =get_app_icon_object ()
+        if app_icon and not app_icon.isNull():
+            self.setWindowIcon(app_icon)
+
+        self .setModal (True )
+        self .setFixedSize (650 ,600 )
+
+
+        current_theme_style =""
+        if hasattr (self .parent_app ,'current_theme')and self .parent_app .current_theme =="dark":
+            if hasattr (self .parent_app ,'get_dark_theme'):
+                current_theme_style =self .parent_app .get_dark_theme ()
+
+
+        self .setStyleSheet (current_theme_style if current_theme_style else """
+            QDialog { background-color: #2E2E2E; border: 1px solid #5A5A5A; }
+            QLabel { color: #E0E0E0; }
+            QPushButton { background-color: #555; color: #F0F0F0; border: 1px solid #6A6A6A; padding: 8px 15px; border-radius: 4px; min-height: 25px; font-size: 11pt; }
+            QPushButton:hover { background-color: #656565; }
+            QPushButton:pressed { background-color: #4A4A4A; }
+        """)
+        self ._init_ui ()
+        if self .parent_app :
+            self .move (self .parent_app .geometry ().center ()-self .rect ().center ())
+
+    def _tr (self ,key ,default_text =""):
+        """Helper to get translation based on current app language."""
+        if callable (get_translation )and self .parent_app :
+            return get_translation (self .parent_app .current_selected_language ,key ,default_text )
+        return default_text 
+
+
+    def _init_ui (self ):
+        main_layout =QVBoxLayout (self )
+        main_layout .setContentsMargins (0 ,0 ,0 ,0 )
+        main_layout .setSpacing (0 )
+
+        self .stacked_widget =QStackedWidget ()
+        main_layout .addWidget (self .stacked_widget ,1 )
+
+        self .tour_steps_widgets =[]
+        for title ,content in self .steps_data :
+            step_widget =TourStepWidget (title ,content )
+            self .tour_steps_widgets .append (step_widget )
+            self .stacked_widget .addWidget (step_widget )
+
+        self .setWindowTitle (self ._tr ("help_guide_dialog_title","Kemono Downloader - Feature Guide"))
+
+        buttons_layout =QHBoxLayout ()
+        buttons_layout .setContentsMargins (15 ,10 ,15 ,15 )
+        buttons_layout .setSpacing (10 )
+
+        self .back_button =QPushButton (self ._tr ("tour_dialog_back_button","Back"))
+        self .back_button .clicked .connect (self ._previous_step )
+        self .back_button .setEnabled (False )
+
+        if getattr (sys ,'frozen',False )and hasattr (sys ,'_MEIPASS'):
+            assets_base_dir =sys ._MEIPASS 
+        else :
+            # Go up three levels from this file's directory (src/ui/dialogs) to the project root
+            assets_base_dir =os.path.abspath(os.path.join(os.path.dirname(__file__), '..', '..', '..'))
+
+        github_icon_path =os .path .join (assets_base_dir ,"assets","github.png")
+        instagram_icon_path =os .path .join (assets_base_dir ,"assets","instagram.png")
+        discord_icon_path =os .path .join (assets_base_dir ,"assets","discord.png")
+
+        self .github_button =QPushButton (QIcon (github_icon_path ),"")
+        self .instagram_button =QPushButton (QIcon (instagram_icon_path ),"")
+        self .Discord_button =QPushButton (QIcon (discord_icon_path ),"")
+
+        icon_size =QSize (24 ,24 )
+        self .github_button .setIconSize (icon_size )
+        self .instagram_button .setIconSize (icon_size )
+        self .Discord_button .setIconSize (icon_size )
+
+        self .next_button =QPushButton (self ._tr ("tour_dialog_next_button","Next"))
+        self .next_button .clicked .connect (self ._next_step_action )
+        self .next_button .setDefault (True )
+        self .github_button .clicked .connect (self ._open_github_link )
+        self .instagram_button .clicked .connect (self ._open_instagram_link )
+        self .Discord_button .clicked .connect (self ._open_Discord_link )
+        self .github_button .setToolTip (self ._tr ("help_guide_github_tooltip","Visit project's GitHub page (Opens in browser)"))
+        self .instagram_button .setToolTip (self ._tr ("help_guide_instagram_tooltip","Visit our Instagram page (Opens in browser)"))
+        self .Discord_button .setToolTip (self ._tr ("help_guide_discord_tooltip","Visit our Discord community (Opens in browser)"))
+
+
+        social_layout =QHBoxLayout ()
+        social_layout .setSpacing (10 )
+        social_layout .addWidget (self .github_button )
+        social_layout .addWidget (self .instagram_button )
+        social_layout .addWidget (self .Discord_button )
+
+        while buttons_layout .count ():
+            item =buttons_layout .takeAt (0 )
+            if item .widget ():
+                item .widget ().setParent (None )
+            elif item .layout ():
+                pass 
+        buttons_layout .addLayout (social_layout )
+        buttons_layout .addStretch (1 )
+        buttons_layout .addWidget (self .back_button )
+        buttons_layout .addWidget (self .next_button )
+        main_layout .addLayout (buttons_layout )
+        self ._update_button_states ()
+
+    def _next_step_action (self ):
+        if self .current_step <len (self .tour_steps_widgets )-1 :
+            self .current_step +=1 
+            self .stacked_widget .setCurrentIndex (self .current_step )
+        else :
+            self .accept ()
+        self ._update_button_states ()
+
+    def _previous_step (self ):
+        if self .current_step >0 :
+            self .current_step -=1 
+            self .stacked_widget .setCurrentIndex (self .current_step )
+        self ._update_button_states ()
+
+    def _update_button_states (self ):
+        if self .current_step ==len (self .tour_steps_widgets )-1 :
+            self .next_button .setText (self ._tr ("tour_dialog_finish_button","Finish"))
+        else :
+            self .next_button .setText (self ._tr ("tour_dialog_next_button","Next"))
+        self .back_button .setEnabled (self .current_step >0 )
+
+    def _open_github_link (self ):
+        QDesktopServices .openUrl (QUrl ("https://github.com/Yuvi9587"))
+
+    def _open_instagram_link (self ):
+        QDesktopServices .openUrl (QUrl ("https://www.instagram.com/uvi.arts/"))
+
+    def _open_Discord_link (self ):
+        QDesktopServices .openUrl (QUrl ("https://discord.gg/BqP64XTdJN"))

src/ui/dialogs/KnownNamesFilterDialog.py

@@ -0,0 +1,150 @@
+# --- PyQt5 Imports ---
+from PyQt5.QtCore import Qt
+from PyQt5.QtWidgets import (
+    QApplication, QDialog, QHBoxLayout, QLabel, QLineEdit, QListWidget,
+    QListWidgetItem, QPushButton, QVBoxLayout
+)
+
+# --- Local Application Imports ---
+from ...i18n.translator import get_translation
+from ..main_window import get_app_icon_object
+
+
+class KnownNamesFilterDialog(QDialog):
+    """
+    A dialog to select names from the Known.txt list to add to the main
+    character filter input field. This provides a convenient way for users
+
+    to reuse their saved names and groups for filtering downloads.
+    """
+
+    def __init__(self, known_names_list, parent_app_ref, parent=None):
+        """
+        Initializes the dialog.
+
+        Args:
+            known_names_list (list): A list of known name objects (dicts) from Known.txt.
+            parent_app_ref (DownloaderApp): A reference to the main application window.
+            parent (QWidget, optional): The parent widget. Defaults to None.
+        """
+        super().__init__(parent)
+        self.parent_app = parent_app_ref
+        self.setModal(True)
+        self.all_known_name_entries = sorted(known_names_list, key=lambda x: x['name'].lower())
+        self.selected_entries_to_return = []
+
+        # --- Basic Window Setup ---
+        app_icon = get_app_icon_object()
+        if app_icon and not app_icon.isNull():
+            self.setWindowIcon(app_icon)
+
+        # Set window size dynamically
+        screen_geometry = QApplication.primaryScreen().availableGeometry()
+        base_width, base_height = 460, 450
+        scale_factor_h = screen_geometry.height() / 1080.0
+        effective_scale_factor = max(0.75, min(scale_factor_h, 1.5))
+        self.setMinimumSize(int(base_width * effective_scale_factor), int(base_height * effective_scale_factor))
+        self.resize(int(base_width * effective_scale_factor * 1.1), int(base_height * effective_scale_factor * 1.1))
+
+        # --- Initialize UI and Apply Theming ---
+        self._init_ui()
+        self._retranslate_ui()
+        self._apply_theme()
+
+    def _init_ui(self):
+        """Initializes all UI components and layouts for the dialog."""
+        main_layout = QVBoxLayout(self)
+
+        self.search_input = QLineEdit()
+        self.search_input.textChanged.connect(self._filter_list_display)
+        main_layout.addWidget(self.search_input)
+
+        self.names_list_widget = QListWidget()
+        self._populate_list_widget()
+        main_layout.addWidget(self.names_list_widget)
+
+        # --- Control Buttons ---
+        buttons_layout = QHBoxLayout()
+
+        self.select_all_button = QPushButton()
+        self.select_all_button.clicked.connect(self._select_all_items)
+        buttons_layout.addWidget(self.select_all_button)
+
+        self.deselect_all_button = QPushButton()
+        self.deselect_all_button.clicked.connect(self._deselect_all_items)
+        buttons_layout.addWidget(self.deselect_all_button)
+        buttons_layout.addStretch(1)
+
+        self.add_button = QPushButton()
+        self.add_button.clicked.connect(self._accept_selection_action)
+        self.add_button.setDefault(True)
+        buttons_layout.addWidget(self.add_button)
+
+        self.cancel_button = QPushButton()
+        self.cancel_button.clicked.connect(self.reject)
+        buttons_layout.addWidget(self.cancel_button)
+        main_layout.addLayout(buttons_layout)
+
+    def _tr(self, key, default_text=""):
+        """Helper to get translation based on the main application's current language."""
+        if callable(get_translation) and self.parent_app:
+            return get_translation(self.parent_app.current_selected_language, key, default_text)
+        return default_text
+
+    def _retranslate_ui(self):
+        """Sets the text for all translatable UI elements."""
+        self.setWindowTitle(self._tr("known_names_filter_dialog_title", "Add Known Names to Filter"))
+        self.search_input.setPlaceholderText(self._tr("known_names_filter_search_placeholder", "Search names..."))
+        self.select_all_button.setText(self._tr("known_names_filter_select_all_button", "Select All"))
+        self.deselect_all_button.setText(self._tr("known_names_filter_deselect_all_button", "Deselect All"))
+        self.add_button.setText(self._tr("known_names_filter_add_selected_button", "Add Selected"))
+        self.cancel_button.setText(self._tr("fav_posts_cancel_button", "Cancel"))
+
+    def _apply_theme(self):
+        """Applies the current theme from the parent application."""
+        if self.parent_app and hasattr(self.parent_app, 'get_dark_theme') and self.parent_app.current_theme == "dark":
+            self.setStyleSheet(self.parent_app.get_dark_theme())
+
+    def _populate_list_widget(self):
+        """Populates the list widget with the known names."""
+        self.names_list_widget.clear()
+        for entry_obj in self.all_known_name_entries:
+            item = QListWidgetItem(entry_obj['name'])
+            item.setFlags(item.flags() | Qt.ItemIsUserCheckable)
+            item.setCheckState(Qt.Unchecked)
+            item.setData(Qt.UserRole, entry_obj)
+            self.names_list_widget.addItem(item)
+
+    def _filter_list_display(self):
+        """Filters the displayed list based on the search input text."""
+        search_text_lower = self.search_input.text().lower()
+        for i in range(self.names_list_widget.count()):
+            item = self.names_list_widget.item(i)
+            entry_obj = item.data(Qt.UserRole)
+            matches_search = not search_text_lower or search_text_lower in entry_obj['name'].lower()
+            item.setHidden(not matches_search)
+
+    def _select_all_items(self):
+        """Checks all visible items in the list widget."""
+        for i in range(self.names_list_widget.count()):
+            item = self.names_list_widget.item(i)
+            if not item.isHidden():
+                item.setCheckState(Qt.Checked)
+
+    def _deselect_all_items(self):
+        """Unchecks all items in the list widget."""
+        for i in range(self.names_list_widget.count()):
+            self.names_list_widget.item(i).setCheckState(Qt.Unchecked)
+
+    def _accept_selection_action(self):
+        """Gathers the selected entries and accepts the dialog."""
+        self.selected_entries_to_return = []
+        for i in range(self.names_list_widget.count()):
+            item = self.names_list_widget.item(i)
+            if item.checkState() == Qt.Checked:
+                self.selected_entries_to_return.append(item.data(Qt.UserRole))
+        self.accept()
+
+    def get_selected_entries(self):
+        """Returns the list of known name entries selected by the user."""
+        return self.selected_entries_to_return

src/ui/dialogs/TourDialog.py

@@ -0,0 +1,217 @@
+# --- Standard Library Imports ---
+import os
+import sys
+
+# --- PyQt5 Imports ---
+from PyQt5.QtCore import pyqtSignal, Qt, QSettings, QCoreApplication
+from PyQt5.QtWidgets import (
+    QApplication, QDialog, QHBoxLayout, QLabel, QPushButton, QVBoxLayout,
+    QStackedWidget, QScrollArea, QFrame, QWidget, QCheckBox
+)
+
+# --- Local Application Imports ---
+from ...i18n.translator import get_translation
+from ..main_window import get_app_icon_object
+from ...config.constants import (
+    CONFIG_ORGANIZATION_NAME
+)
+
+
+class TourStepWidget(QWidget):
+    """
+    A custom widget representing a single step or page in the feature tour.
+    It neatly formats a title and its corresponding content.
+    """
+    def __init__(self, title_text, content_text, parent=None):
+        super().__init__(parent)
+        layout = QVBoxLayout(self)
+        layout.setContentsMargins(20, 20, 20, 20)
+        layout.setSpacing(10)
+
+        title_label = QLabel(title_text)
+        title_label.setAlignment(Qt.AlignCenter)
+        title_label.setStyleSheet("font-size: 18px; font-weight: bold; color: #E0E0E0; padding-bottom: 15px;")
+        layout.addWidget(title_label)
+
+        scroll_area = QScrollArea()
+        scroll_area.setWidgetResizable(True)
+        scroll_area.setFrameShape(QFrame.NoFrame)
+        scroll_area.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
+        scroll_area.setVerticalScrollBarPolicy(Qt.ScrollBarAsNeeded)
+        scroll_area.setStyleSheet("background-color: transparent;")
+
+        content_label = QLabel(content_text)
+        content_label.setWordWrap(True)
+        content_label.setAlignment(Qt.AlignLeft | Qt.AlignTop)
+        content_label.setTextFormat(Qt.RichText)
+        content_label.setOpenExternalLinks(True)
+        content_label.setStyleSheet("font-size: 11pt; color: #C8C8C8; line-height: 1.8;")
+        scroll_area.setWidget(content_label)
+        layout.addWidget(scroll_area, 1)
+
+
+class TourDialog(QDialog):
+    """
+    A dialog that shows a multi-page tour to the user on first launch.
+    Includes a "Never show again" checkbox and uses QSettings to remember this preference.
+    """
+    tour_finished_normally = pyqtSignal()
+    tour_skipped = pyqtSignal()
+
+    # Constants for QSettings
+    CONFIG_APP_NAME_TOUR = "ApplicationTour"
+    TOUR_SHOWN_KEY = "neverShowTourAgainV19"
+
+    def __init__(self, parent_app, parent=None):
+        """
+        Initializes the dialog.
+
+        Args:
+            parent_app (DownloaderApp): A reference to the main application window.
+            parent (QWidget, optional): The parent widget. Defaults to None.
+        """
+        super().__init__(parent)
+        self.settings = QSettings(CONFIG_ORGANIZATION_NAME, self.CONFIG_APP_NAME_TOUR)
+        self.current_step = 0
+        self.parent_app = parent_app
+
+        self.setWindowIcon(get_app_icon_object())
+        self.setModal(True)
+        self.setFixedSize(600, 620)
+        
+        self._init_ui()
+        self._apply_theme()
+        self._center_on_screen()
+
+    def _tr(self, key, default_text=""):
+        """Helper for translation."""
+        if callable(get_translation) and self.parent_app:
+            return get_translation(self.parent_app.current_selected_language, key, default_text)
+        return default_text
+
+    def _init_ui(self):
+        """Initializes all UI components and layouts."""
+        main_layout = QVBoxLayout(self)
+        main_layout.setContentsMargins(0, 0, 0, 0)
+        main_layout.setSpacing(0)
+
+        self.stacked_widget = QStackedWidget()
+        main_layout.addWidget(self.stacked_widget, 1)
+
+        # Load content for each step
+        steps_content = [
+            ("tour_dialog_step1_title", "tour_dialog_step1_content"),
+            ("tour_dialog_step2_title", "tour_dialog_step2_content"),
+            ("tour_dialog_step3_title", "tour_dialog_step3_content"),
+            ("tour_dialog_step4_title", "tour_dialog_step4_content"),
+            ("tour_dialog_step5_title", "tour_dialog_step5_content"),
+            ("tour_dialog_step6_title", "tour_dialog_step6_content"),
+            ("tour_dialog_step7_title", "tour_dialog_step7_content"),
+            ("tour_dialog_step8_title", "tour_dialog_step8_content"),
+        ]
+
+        self.tour_steps_widgets = []
+        for title_key, content_key in steps_content:
+            title = self._tr(title_key, title_key)
+            content = self._tr(content_key, "Content not found.")
+            step_widget = TourStepWidget(title, content)
+            self.tour_steps_widgets.append(step_widget)
+            self.stacked_widget.addWidget(step_widget)
+
+        self.setWindowTitle(self._tr("tour_dialog_title", "Welcome to Kemono Downloader!"))
+
+        # --- Bottom Controls ---
+        bottom_controls_layout = QVBoxLayout()
+        bottom_controls_layout.setContentsMargins(15, 10, 15, 15)
+        bottom_controls_layout.setSpacing(12)
+
+        self.never_show_again_checkbox = QCheckBox(self._tr("tour_dialog_never_show_checkbox", "Never show this tour again"))
+        bottom_controls_layout.addWidget(self.never_show_again_checkbox, 0, Qt.AlignLeft)
+
+        buttons_layout = QHBoxLayout()
+        buttons_layout.setSpacing(10)
+        self.skip_button = QPushButton(self._tr("tour_dialog_skip_button", "Skip Tour"))
+        self.skip_button.clicked.connect(self._skip_tour_action)
+        self.back_button = QPushButton(self._tr("tour_dialog_back_button", "Back"))
+        self.back_button.clicked.connect(self._previous_step)
+        self.next_button = QPushButton(self._tr("tour_dialog_next_button", "Next"))
+        self.next_button.clicked.connect(self._next_step_action)
+        self.next_button.setDefault(True)
+
+        buttons_layout.addWidget(self.skip_button)
+        buttons_layout.addStretch(1)
+        buttons_layout.addWidget(self.back_button)
+        buttons_layout.addWidget(self.next_button)
+
+        bottom_controls_layout.addLayout(buttons_layout)
+        main_layout.addLayout(bottom_controls_layout)
+
+        self._update_button_states()
+
+    def _apply_theme(self):
+        """Applies the current theme from the parent application."""
+        if self.parent_app and hasattr(self.parent_app, 'get_dark_theme') and self.parent_app.current_theme == "dark":
+            self.setStyleSheet(self.parent_app.get_dark_theme())
+        else:
+            self.setStyleSheet("QDialog { background-color: #f0f0f0; }")
+
+    def _center_on_screen(self):
+        """Centers the dialog on the screen."""
+        try:
+            screen_geo = QApplication.primaryScreen().availableGeometry()
+            self.move(screen_geo.center() - self.rect().center())
+        except Exception as e:
+            print(f"[TourDialog] Error centering dialog: {e}")
+
+    def _next_step_action(self):
+        """Moves to the next step or finishes the tour."""
+        if self.current_step < len(self.tour_steps_widgets) - 1:
+            self.current_step += 1
+            self.stacked_widget.setCurrentIndex(self.current_step)
+        else:
+            self._finish_tour_action()
+        self._update_button_states()
+
+    def _previous_step(self):
+        """Moves to the previous step."""
+        if self.current_step > 0:
+            self.current_step -= 1
+            self.stacked_widget.setCurrentIndex(self.current_step)
+        self._update_button_states()
+
+    def _update_button_states(self):
+        """Updates the state and text of navigation buttons."""
+        is_last_step = self.current_step == len(self.tour_steps_widgets) - 1
+        self.next_button.setText(self._tr("tour_dialog_finish_button", "Finish") if is_last_step else self._tr("tour_dialog_next_button", "Next"))
+        self.back_button.setEnabled(self.current_step > 0)
+
+    def _skip_tour_action(self):
+        """Handles the action when the tour is skipped."""
+        self._save_settings_if_checked()
+        self.tour_skipped.emit()
+        self.reject()
+
+    def _finish_tour_action(self):
+        """Handles the action when the tour is finished normally."""
+        self._save_settings_if_checked()
+        self.tour_finished_normally.emit()
+        self.accept()
+
+    def _save_settings_if_checked(self):
+        """Saves the 'never show again' preference to QSettings."""
+        self.settings.setValue(self.TOUR_SHOWN_KEY, self.never_show_again_checkbox.isChecked())
+        self.settings.sync()
+
+    @staticmethod
+    def should_show_tour():
+        """Checks QSettings to see if the tour should be shown on startup."""
+        settings = QSettings(TourDialog.CONFIG_ORGANIZATION_NAME, TourDialog.CONFIG_APP_NAME_TOUR)
+        never_show = settings.value(TourDialog.TOUR_SHOWN_KEY, False, type=bool)
+        return not never_show
+
+    CONFIG_ORGANIZATION_NAME = CONFIG_ORGANIZATION_NAME
+
+    def closeEvent(self, event):
+        """Ensures settings are saved if the dialog is closed via the 'X' button."""
+        self._skip_tour_action()
+        super().closeEvent(event)

src/ui/dialogs/__init__.py

@@ -0,0 +1 @@
+# ...existing code...

src/utils/__init__.py

@@ -0,0 +1 @@
+# ...existing code...

src/utils/file_utils.py

@@ -0,0 +1,142 @@
+# --- Standard Library Imports ---
+import os
+import re
+
+# --- Module Constants ---
+
+# This will be populated at runtime by the main application,
+# but is defined here as it's conceptually related to file/folder naming.
+KNOWN_NAMES = []
+
+MAX_FILENAME_COMPONENT_LENGTH = 150
+
+# Sets of file extensions for quick type checking
+IMAGE_EXTENSIONS = {
+    '.jpg', '.jpeg', '.png', '.gif', '.bmp', '.tiff', '.tif', '.webp',
+    '.heic', '.heif', '.svg', '.ico', '.jfif', '.pjpeg', '.pjp', '.avif'
+}
+VIDEO_EXTENSIONS = {
+    '.mp4', '.mov', '.mkv', '.webm', '.avi', '.wmv', '.flv', '.mpeg',
+    '.mpg', '.m4v', '.3gp', '.ogv', '.ts', '.vob'
+}
+ARCHIVE_EXTENSIONS = {
+    '.zip', '.rar', '.7z', '.tar', '.gz', '.bz2'
+}
+AUDIO_EXTENSIONS = {
+    '.mp3', '.wav', '.aac', '.flac', '.ogg', '.wma', '.m4a', '.opus',
+    '.aiff', '.ape', '.mid', '.midi'
+}
+
+# Words to ignore when trying to generate a folder name from a title
+FOLDER_NAME_STOP_WORDS = {
+    "a", "alone", "am", "an", "and", "at", "be", "blues", "but", "by", "com",
+    "for", "grown", "hard", "he", "her", "his", "hitting", "i", "im", "in", "is", "it", "its",
+    "me", "much", "my", "net", "not", "of", "on", "or", "org", "our", "please",
+    "right", "s", "she", "so", "technically", "tell", "the", "their", "they", "this",
+    "to", "ve", "was", "we", "well", "were", "with", "www", "year", "you", "your",
+}
+
+# --- File and Folder Name Utilities ---
+
+def clean_folder_name(name):
+    """
+    Sanitizes a string to make it a valid folder name.
+    Removes invalid characters and trims whitespace.
+
+    Args:
+        name (str): The input string.
+
+    Returns:
+        str: A sanitized, valid folder name.
+    """
+    if not isinstance(name, str):
+        name = str(name)
+    
+    # Remove characters that are invalid in folder names on most OS
+    cleaned = re.sub(r'[<>:"/\\|?*]', '', name)
+    cleaned = cleaned.strip()
+    
+    # Replace multiple spaces with a single space
+    cleaned = re.sub(r'\s+', ' ', cleaned)
+
+    # If after cleaning the name is empty, provide a default
+    if not cleaned:
+        return "untitled_folder"
+
+    # Truncate to a reasonable length
+    if len(cleaned) > MAX_FILENAME_COMPONENT_LENGTH:
+        cleaned = cleaned[:MAX_FILENAME_COMPONENT_LENGTH]
+
+    # Remove trailing dots or spaces, which can be problematic
+    cleaned = cleaned.rstrip('. ')
+
+    return cleaned if cleaned else "untitled_folder"
+
+
+def clean_filename(name):
+    """
+    Sanitizes a string to make it a valid file name.
+
+    Args:
+        name (str): The input string.
+
+    Returns:
+        str: A sanitized, valid file name.
+    """
+    if not isinstance(name, str):
+        name = str(name)
+        
+    cleaned = re.sub(r'[<>:"/\\|?*]', '_', name)
+    cleaned = cleaned.strip()
+    
+    if not cleaned:
+        return "untitled_file"
+        
+    base_name, ext = os.path.splitext(cleaned)
+    max_base_len = MAX_FILENAME_COMPONENT_LENGTH - len(ext)
+
+    if len(base_name) > max_base_len:
+        if max_base_len > 0:
+            base_name = base_name[:max_base_len]
+        else:
+            # Handle cases where the extension itself is too long
+            return cleaned[:MAX_FILENAME_COMPONENT_LENGTH]
+    
+    return base_name + ext
+
+
+# --- File Type Identification Functions ---
+
+def is_image(filename):
+    """Checks if a filename has a common image extension."""
+    if not filename: return False
+    _, ext = os.path.splitext(filename)
+    return ext.lower() in IMAGE_EXTENSIONS
+
+def is_video(filename):
+    """Checks if a filename has a common video extension."""
+    if not filename: return False
+    _, ext = os.path.splitext(filename)
+    return ext.lower() in VIDEO_EXTENSIONS
+
+def is_zip(filename):
+    """Checks if a filename is a .zip file."""
+    if not filename: return False
+    return filename.lower().endswith('.zip')
+
+def is_rar(filename):
+    """Checks if a filename is a .rar file."""
+    if not filename: return False
+    return filename.lower().endswith('.rar')
+
+def is_archive(filename):
+    """Checks if a filename has a common archive extension."""
+    if not filename: return False
+    _, ext = os.path.splitext(filename)
+    return ext.lower() in ARCHIVE_EXTENSIONS
+
+def is_audio(filename):
+    """Checks if a filename has a common audio extension."""
+    if not filename: return False
+    _, ext = os.path.splitext(filename)
+    return ext.lower() in AUDIO_EXTENSIONS

src/utils/network_utils.py

@@ -0,0 +1,208 @@
+# --- Standard Library Imports ---
+import os
+import re
+from urllib.parse import urlparse
+
+# --- Third-Party Library Imports ---
+# This module might not require third-party libraries directly,
+# but 'requests' is a common dependency for network operations.
+# import requests
+
+
+def parse_cookie_string(cookie_string):
+    """
+    Parses a 'name=value; name2=value2' cookie string into a dictionary.
+
+    Args:
+        cookie_string (str): The cookie string from browser tools.
+
+    Returns:
+        dict or None: A dictionary of cookie names and values, or None if empty.
+    """
+    cookies = {}
+    if cookie_string:
+        for item in cookie_string.split(';'):
+            parts = item.split('=', 1)
+            if len(parts) == 2:
+                name = parts[0].strip()
+                value = parts[1].strip()
+                if name:
+                    cookies[name] = value
+    return cookies if cookies else None
+
+
+def load_cookies_from_netscape_file(filepath, logger_func, target_domain_filter=None):
+    """
+    Loads cookies from a Netscape-formatted cookies.txt file.
+
+    If a target_domain_filter is provided, only cookies for that domain
+    (or its subdomains) are returned.
+
+    Args:
+        filepath (str): The full path to the cookies.txt file.
+        logger_func (callable): Function to use for logging.
+        target_domain_filter (str, optional): The domain to filter cookies for.
+
+    Returns:
+        dict or None: A dictionary of cookie names and values, or None if none are loaded.
+    """
+    cookies = {}
+    try:
+        with open(filepath, 'r', encoding='utf-8') as f:
+            for line in f:
+                line = line.strip()
+                if not line or line.startswith('#'):
+                    continue
+                
+                parts = line.split('\t')
+                if len(parts) == 7:
+                    cookie_domain = parts[0]
+                    name = parts[5]
+                    value = parts[6]
+
+                    if not name:
+                        continue
+
+                    if target_domain_filter:
+                        # Match domain exactly or as a subdomain
+                        host_to_match = target_domain_filter.lower()
+                        cookie_domain_norm = cookie_domain.lower()
+                        if (cookie_domain_norm.startswith('.') and host_to_match.endswith(cookie_domain_norm)) or \
+                           (host_to_match == cookie_domain_norm):
+                            cookies[name] = value
+                    else:
+                        cookies[name] = value
+
+        logger_func(f"   🍪 Loaded {len(cookies)} cookies from '{os.path.basename(filepath)}' for domain '{target_domain_filter or 'any'}'.")
+        return cookies if cookies else None
+    except FileNotFoundError:
+        logger_func(f"   🍪 Cookie file '{os.path.basename(filepath)}' not found.")
+        return None
+    except Exception as e:
+        logger_func(f"   🍪 Error parsing cookie file '{os.path.basename(filepath)}': {e}")
+        return None
+
+
+def prepare_cookies_for_request(use_cookie_flag, cookie_text_input, selected_cookie_file_path, app_base_dir, logger_func, target_domain=None):
+    """
+    Prepares a cookie dictionary from various sources based on user settings.
+    Priority:
+    1. UI-selected file path.
+    2. Domain-specific file in the app directory.
+    3. Default `cookies.txt` in the app directory.
+    4. Manually entered cookie text.
+
+    Args:
+        use_cookie_flag (bool): Whether cookies are enabled in the UI.
+        cookie_text_input (str): The raw text from the cookie input field.
+        selected_cookie_file_path (str): The path to a user-browsed cookie file.
+        app_base_dir (str): The base directory of the application.
+        logger_func (callable): Function for logging.
+        target_domain (str, optional): The domain for which cookies are needed.
+
+    Returns:
+        dict or None: A dictionary of cookies for the request, or None.
+    """
+    if not use_cookie_flag:
+        return None
+
+    # Priority 1: Use the specifically browsed file first
+    if selected_cookie_file_path and os.path.exists(selected_cookie_file_path):
+        cookies = load_cookies_from_netscape_file(selected_cookie_file_path, logger_func, target_domain)
+        if cookies:
+            return cookies
+
+    # Priority 2: Look for a domain-specific cookie file
+    if app_base_dir and target_domain:
+        domain_specific_path = os.path.join(app_base_dir, "data", f"{target_domain}_cookies.txt")
+        if os.path.exists(domain_specific_path):
+            cookies = load_cookies_from_netscape_file(domain_specific_path, logger_func, target_domain)
+            if cookies:
+                return cookies
+
+    # Priority 3: Look for a generic cookies.txt
+    if app_base_dir:
+        default_path = os.path.join(app_base_dir, "appdata", "cookies.txt")
+        if os.path.exists(default_path):
+            cookies = load_cookies_from_netscape_file(default_path, logger_func, target_domain)
+            if cookies:
+                return cookies
+
+    # Priority 4: Fall back to manually entered text
+    if cookie_text_input:
+        cookies = parse_cookie_string(cookie_text_input)
+        if cookies:
+            return cookies
+
+    logger_func(f"   🍪 Cookie usage enabled for '{target_domain or 'any'}', but no valid cookies found.")
+    return None
+
+
+def extract_post_info(url_string):
+    """
+    Parses a URL string to extract the service, user ID, and post ID.
+
+    Args:
+        url_string (str): The URL to parse.
+
+    Returns:
+        tuple: A tuple containing (service, user_id, post_id). Any can be None.
+    """
+    if not isinstance(url_string, str) or not url_string.strip():
+        return None, None, None
+    
+    try:
+        parsed_url = urlparse(url_string.strip())
+        path_parts = [part for part in parsed_url.path.strip('/').split('/') if part]
+        
+        # Standard format: /<service>/user/<user_id>/post/<post_id>
+        if len(path_parts) >= 3 and path_parts[1].lower() == 'user':
+            service = path_parts[0]
+            user_id = path_parts[2]
+            post_id = path_parts[4] if len(path_parts) >= 5 and path_parts[3].lower() == 'post' else None
+            return service, user_id, post_id
+            
+        # API format: /api/v1/<service>/user/<user_id>...
+        if len(path_parts) >= 5 and path_parts[0:2] == ['api', 'v1'] and path_parts[3].lower() == 'user':
+            service = path_parts[2]
+            user_id = path_parts[4]
+            post_id = path_parts[6] if len(path_parts) >= 7 and path_parts[5].lower() == 'post' else None
+            return service, user_id, post_id
+
+    except Exception as e:
+        print(f"Debug: Exception during URL parsing for '{url_string}': {e}")
+
+    return None, None, None
+
+
+def get_link_platform(url):
+    """
+    Identifies the platform of a given URL based on its domain.
+
+    Args:
+        url (str): The URL to identify.
+
+    Returns:
+        str: The name of the platform (e.g., 'mega', 'google drive') or 'external'.
+    """
+    try:
+        domain = urlparse(url).netloc.lower()
+        if 'drive.google.com' in domain: return 'google drive'
+        if 'mega.nz' in domain or 'mega.io' in domain: return 'mega'
+        if 'dropbox.com' in domain: return 'dropbox'
+        if 'patreon.com' in domain: return 'patreon'
+        if 'gofile.io' in domain: return 'gofile'
+        if 'instagram.com' in domain: return 'instagram'
+        if 'twitter.com' in domain or 'x.com' in domain: return 'twitter/x'
+        if 'discord.gg' in domain or 'discord.com/invite' in domain: return 'discord invite'
+        if 'pixiv.net' in domain: return 'pixiv'
+        if 'kemono.su' in domain or 'kemono.party' in domain: return 'kemono'
+        if 'coomer.su' in domain or 'coomer.party' in domain: return 'coomer'
+        
+        # Fallback to a generic name for other domains
+        parts = domain.split('.')
+        if len(parts) >= 2:
+            return parts[-2]
+        return 'external'
+    except Exception:
+        return 'unknown'

src/utils/text_utils.py

@@ -0,0 +1,207 @@
+# --- Standard Library Imports ---
+import re
+import html
+
+# --- Local Application Imports ---
+# Import from file_utils within the same package
+from .file_utils import clean_folder_name, FOLDER_NAME_STOP_WORDS
+
+# --- Module Constants ---
+
+# Regular expression patterns for cleaning up titles before matching against Known.txt
+KNOWN_TXT_MATCH_CLEANUP_PATTERNS = [
+    r'\bcum\b',
+    r'\bnsfw\b',
+    r'\bsfw\b',
+    r'\bweb\b',
+    r'\bhd\b',
+    r'\bhi\s*res\b',
+    r'\bhigh\s*res\b',
+    r'\b\d+p\b',
+    r'\b\d+k\b',
+    r'\[OC\]',
+    r'\[Request(?:s)?\]',
+    r'\bCommission\b',
+    r'\bComm\b',
+    r'\bPreview\b',
+]
+
+# --- Text Matching and Manipulation Utilities ---
+
+def is_title_match_for_character(post_title, character_name_filter):
+    """
+    Checks if a post title contains a specific character name as a whole word.
+    Case-insensitive.
+
+    Args:
+        post_title (str): The title of the post.
+        character_name_filter (str): The character name to search for.
+
+    Returns:
+        bool: True if the name is found as a whole word, False otherwise.
+    """
+    if not post_title or not character_name_filter:
+        return False
+        
+    # Use word boundaries (\b) to match whole words only
+    pattern = r"(?i)\b" + re.escape(str(character_name_filter).strip()) + r"\b"
+    return bool(re.search(pattern, post_title))
+
+
+def is_filename_match_for_character(filename, character_name_filter):
+    """
+    Checks if a filename contains a character name. This is a simple substring check.
+    Case-insensitive.
+
+    Args:
+        filename (str): The name of the file.
+        character_name_filter (str): The character name to search for.
+
+    Returns:
+        bool: True if the substring is found, False otherwise.
+    """
+    if not filename or not character_name_filter:
+        return False
+        
+    return str(character_name_filter).strip().lower() in filename.lower()
+
+
+def strip_html_tags(html_text):
+    """
+    Removes HTML tags from a string and cleans up resulting whitespace.
+
+    Args:
+        html_text (str): The input string containing HTML.
+
+    Returns:
+        str: The text with HTML tags removed.
+    """
+    if not html_text:
+        return ""
+    # First, unescape HTML entities like & -> &
+    text = html.unescape(str(html_text))
+    # Remove all tags
+    text_after_tag_removal = re.sub(r'<[^>]+>', ' ', text)
+    # Replace multiple whitespace characters with a single space
+    cleaned_text = re.sub(r'\s+', ' ', text_after_tag_removal).strip()
+    return cleaned_text
+
+
+def extract_folder_name_from_title(title, unwanted_keywords):
+    """
+    Extracts a plausible folder name from a post title by finding the first
+    significant word that isn't a stop-word.
+
+    Args:
+        title (str): The post title.
+        unwanted_keywords (set): A set of words to ignore.
+
+    Returns:
+        str: The extracted folder name, or 'Uncategorized'.
+    """
+    if not title:
+        return 'Uncategorized'
+        
+    title_lower = title.lower()
+    # Find all whole words in the title
+    tokens = re.findall(r'\b[\w\-]+\b', title_lower)
+    
+    for token in tokens:
+        clean_token = clean_folder_name(token)
+        if clean_token and clean_token.lower() not in unwanted_keywords:
+            return clean_token
+            
+    # Fallback to cleaning the full title if no single significant word is found
+    cleaned_full_title = clean_folder_name(title)
+    return cleaned_full_title if cleaned_full_title else 'Uncategorized'
+
+
+def match_folders_from_title(title, names_to_match, unwanted_keywords):
+    """
+    Matches folder names from a title based on a list of known name objects.
+    Each name object is a dict: {'name': 'PrimaryName', 'aliases': ['alias1', ...]}
+
+    Args:
+        title (str): The post title to check.
+        names_to_match (list): A list of known name dictionaries.
+        unwanted_keywords (set): A set of folder names to ignore.
+
+    Returns:
+        list: A sorted list of matched primary folder names.
+    """
+    if not title or not names_to_match:
+        return []
+
+    # Clean the title by removing common tags like [OC], [HD], etc.
+    cleaned_title = title
+    for pat_str in KNOWN_TXT_MATCH_CLEANUP_PATTERNS:
+        cleaned_title = re.sub(pat_str, ' ', cleaned_title, flags=re.IGNORECASE)
+    cleaned_title = re.sub(r'\s+', ' ', cleaned_title).strip()
+    title_lower = cleaned_title.lower()
+
+    matched_cleaned_names = set()
+    
+    # Sort by name length descending to match longer names first (e.g., "Cloud Strife" before "Cloud")
+    sorted_name_objects = sorted(names_to_match, key=lambda x: len(x.get("name", "")), reverse=True)
+
+    for name_obj in sorted_name_objects:
+        primary_folder_name = name_obj.get("name")
+        aliases = name_obj.get("aliases", [])
+        if not primary_folder_name or not aliases:
+            continue
+            
+        for alias in aliases:
+            alias_lower = alias.lower()
+            if not alias_lower: continue
+            
+            # Use word boundaries for accurate matching
+            pattern = r'\b' + re.escape(alias_lower) + r'\b'
+            if re.search(pattern, title_lower):
+                cleaned_primary_name = clean_folder_name(primary_folder_name)
+                if cleaned_primary_name.lower() not in unwanted_keywords:
+                    matched_cleaned_names.add(cleaned_primary_name)
+                    break # Move to the next name object once a match is found for this one
+                    
+    return sorted(list(matched_cleaned_names))
+
+
+def match_folders_from_filename_enhanced(filename, names_to_match, unwanted_keywords):
+    """
+    Matches folder names from a filename, prioritizing longer and more specific aliases.
+
+    Args:
+        filename (str): The filename to check.
+        names_to_match (list): A list of known name dictionaries.
+        unwanted_keywords (set): A set of folder names to ignore.
+
+    Returns:
+        list: A sorted list of matched primary folder names.
+    """
+    if not filename or not names_to_match:
+        return []
+
+    filename_lower = filename.lower()
+    matched_primary_names = set()
+
+    # Create a flat list of (alias, primary_name) tuples to sort by alias length
+    alias_map_to_primary = []
+    for name_obj in names_to_match:
+        primary_name = name_obj.get("name")
+        if not primary_name: continue
+        
+        cleaned_primary_name = clean_folder_name(primary_name)
+        if not cleaned_primary_name or cleaned_primary_name.lower() in unwanted_keywords:
+            continue
+
+        for alias in name_obj.get("aliases", []):
+            if alias.lower():
+                alias_map_to_primary.append((alias.lower(), cleaned_primary_name))
+    
+    # Sort by alias length, descending, to match longer aliases first
+    alias_map_to_primary.sort(key=lambda x: len(x[0]), reverse=True)
+
+    for alias_lower, primary_name_for_alias in alias_map_to_primary:
+        if filename_lower.startswith(alias_lower):
+            matched_primary_names.add(primary_name_for_alias)
+
+    return sorted(list(matched_primary_names))