feat: disable auto-save, add Save to Files button, accept all file types in library

- Disabled auto-save of processed files to library (worker no longer
  calls autoSaveToLibrary)
- Added "Save to Files" button in the review panel for explicit saving
- Files library upload area now accepts all file types, not just images
- Removed "Drop images here" hardcoded text, replaced with i18n
- Removed image-only file filter from library upload

packages/shared/src/i18n/ar.ts

@@ -12,6 +12,7 @@ export const ar: TranslationKeys = {
     search: "البحث في الأدوات...",
     dropFiles: "اسحب الملفات هنا أو اضغط على زر الرفع",
     loading: "جاري التحميل...",
+    saving: "Saving...",
     error: "حدث خطأ",
     confirm: "تأكيد",
     close: "إغلاق",
@@ -2447,6 +2448,8 @@ export const ar: TranslationKeys = {
     applyAndDownload: "تطبيق وتنزيل",
     andMore: "and {count} more",
     importFromFiles: "Import from Files",
+    saveToFiles: "Save to Files",
+    savedToFiles: "Saved to Files",
     adjustSettings: "Adjust settings",
     startOver: "Start over with a new file",
     backToTools: "Back to Tools",
@@ -3216,6 +3219,8 @@ export const ar: TranslationKeys = {
     openFile: "Open File",
     selectFile: "Select File",
     openInPipeline: "Open in Pipeline",
+    dropFilesHere: "Drop files here",
+    orClickToSelect: "or click to select files",
     name: "Name",
     format: "Format",
     size: "Size",