adjust the indexing strategy for attachment attributes

web/src/api/mailbox/envelope/api.ts

@@ -19,6 +19,7 @@
 
 import { EmailEnvelope, PaginatedResponse } from "@/api";
 import axiosInstance from "@/api/axiosInstance";
+import { Group } from "@/api/system/api";
 import { saveAs } from 'file-saver';
 
 export const get_thread_messages = async (accountId: number, thread_id: string, page: number, page_size: number) => {
@@ -114,22 +115,22 @@ export const restore_message = async (accountId: number, envelopeIds: string[])
 
 export interface AttachmentMetadata {
     /**
-     * A collection of unique file extensions found in attachments.
-     * @example ["pdf", "docx", "png"]
+     * Statistics of attachment file extensions (key + count).
+     * @example [{ key: "pdf", count: 10 }, { key: "png", count: 5 }]
      */
-    extensions: string[];
+    extensions: Group[];
 
     /**
-     * A collection of high-level attachment categories.
-     * @example ["document", "image", "archive"]
+     * Statistics of attachment categories (key + count).
+     * @example [{ key: "document", count: 8 }, { key: "image", count: 6 }]
      */
-    categories: string[];
+    categories: Group[];
 
     /**
-     * A collection of unique MIME types (Content-Type) for the attachments.
-     * @example ["application/pdf", "image/jpeg"]
+     * Statistics of attachment MIME types (Content-Type) (key + count).
+     * @example [{ key: "application/pdf", count: 10 }, { key: "image/jpeg", count: 5 }]
      */
-    content_types: string[];
+    content_types: Group[];
 }
 
 

web/src/features/search/account-popover.tsx

@@ -1,3 +1,21 @@
+//
+// Copyright (c) 2025-2026 rustmailer.com (https://rustmailer.com)
+//
+// This file is part of the Bichon Email Archiving Project
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 import * as React from 'react'
 import { AtSign, ChevronDown, X } from 'lucide-react'
 import { useTranslation } from 'react-i18next'

web/src/features/search/attachment-filter.tsx

@@ -1,3 +1,22 @@
+//
+// Copyright (c) 2025-2026 rustmailer.com (https://rustmailer.com)
+//
+// This file is part of the Bichon Email Archiving Project
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
 import { Paperclip, Check } from 'lucide-react'
 import { useTranslation } from 'react-i18next'
 import { useSearchContext } from './context'

web/src/features/search/attachment-metadata-selector.tsx

@@ -1,14 +1,34 @@
+//
+// Copyright (c) 2025-2026 rustmailer.com (https://rustmailer.com)
+//
+// This file is part of the Bichon Email Archiving Project
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
 import * as React from "react"
 import { Check, X } from "lucide-react"
 import { Popover, PopoverContent, PopoverTrigger } from "@/components/ui/popover"
 import { Command, CommandEmpty, CommandGroup, CommandInput, CommandItem, CommandList } from "@/components/ui/command"
 import { cn } from "@/lib/utils"
 import { useTranslation } from "react-i18next"
+import { Group } from "@/api/system/api"
 
 interface MetadataSelectorFieldProps {
     label: string
     value?: string
-    options: string[]
+    options: Group[]
     isLoading: boolean
     onSelect: (val: string | undefined) => void
     onReset: () => void
@@ -27,7 +47,7 @@ export function MetadataSelectorField({
 
     const filteredOptions = React.useMemo(() => {
         return options.filter(opt =>
-            opt.toLowerCase().includes(searchTerm.toLowerCase())
+            opt.key.toLowerCase().includes(searchTerm.toLowerCase())
         )
     }, [options, searchTerm])
 
@@ -76,19 +96,36 @@ export function MetadataSelectorField({
                         className="h-8"
                     />
                     <CommandList className="max-h-[240px]">
-                        {isLoading && <div className="p-4 text-[10px] text-center opacity-50">{t('common.loading')}</div>}
-                        <CommandEmpty className="text-[10px] p-2 text-center">{t('common.noData')}</CommandEmpty>
+                        {isLoading && (
+                            <div className="p-4 text-[10px] text-center opacity-50">
+                                {t('common.loading')}
+                            </div>
+                        )}
+                        <CommandEmpty className="text-[10px] p-2 text-center">
+                            {t('common.noData')}
+                        </CommandEmpty>
+
                         <CommandGroup>
                             {filteredOptions.map((opt) => (
                                 <CommandItem
-                                    key={opt}
+                                    key={opt.key}
                                     onSelect={() => {
-                                        value === opt ? onReset() : onSelect(opt);
+                                        value === opt.key ? onReset() : onSelect(opt.key)
                                     }}
                                     className="flex items-center justify-between py-2 px-3 cursor-pointer text-xs"
                                 >
-                                    <span className="truncate">{opt}</span>
-                                    {value === opt && <Check className="h-3 w-3 text-primary shrink-0" />}
+                                    <span className="truncate">{opt.key}</span>
+
+                                    <div className="flex items-center gap-2">
+                                        {/* count */}
+                                        <span className="text-[10px] text-muted-foreground">
+                                            {opt.count}
+                                        </span>
+
+                                        {value === opt.key && (
+                                            <Check className="h-3 w-3 text-primary shrink-0" />
+                                        )}
+                                    </div>
                                 </CommandItem>
                             ))}
                         </CommandGroup>

web/src/features/search/contact-popover.tsx

@@ -1,3 +1,21 @@
+//
+// Copyright (c) 2025-2026 rustmailer.com (https://rustmailer.com)
+//
+// This file is part of the Bichon Email Archiving Project
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 import { Popover, PopoverContent, PopoverTrigger } from "@/components/ui/popover"
 import { useSearchContext } from "./context"
 import { Button } from "@/components/ui/button"

web/src/features/search/filter-reset.tsx

@@ -1,3 +1,22 @@
+//
+// Copyright (c) 2025-2026 rustmailer.com (https://rustmailer.com)
+//
+// This file is part of the Bichon Email Archiving Project
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
 import { X } from "lucide-react"
 import { Button } from "@/components/ui/button"
 import { useSearchContext } from "./context"

web/src/features/search/mailbox-popover.tsx

@@ -1,3 +1,22 @@
+//
+// Copyright (c) 2025-2026 rustmailer.com (https://rustmailer.com)
+//
+// This file is part of the Bichon Email Archiving Project
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
 import * as React from 'react';
 import {
     ChevronDown, Folders, X, TreeDeciduous, FolderIcon,

web/src/features/search/more-filters-popover.tsx

@@ -1,3 +1,21 @@
+//
+// Copyright (c) 2025-2026 rustmailer.com (https://rustmailer.com)
+//
+// This file is part of the Bichon Email Archiving Project
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 import * as React from "react"
 import { Label } from "@/components/ui/label"
 import { Input } from "@/components/ui/input"

web/src/features/search/nested-email-dialog.tsx

@@ -1,3 +1,21 @@
+//
+// Copyright (c) 2025-2026 rustmailer.com (https://rustmailer.com)
+//
+// This file is part of the Bichon Email Archiving Project
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 import { EmailEnvelope } from '@/api';
 import { AttachmentInfo, download_nested_attachment, load_nested_message } from '@/api/mailbox/envelope/api';
 import EmailIframe from '@/components/mail-iframe';

web/src/features/search/tag-filter-popover.tsx

@@ -1,3 +1,21 @@
+//
+// Copyright (c) 2025-2026 rustmailer.com (https://rustmailer.com)
+//
+// This file is part of the Bichon Email Archiving Project
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 import * as React from 'react'
 import { Tag, ChevronDown, X } from 'lucide-react'
 import { useTranslation } from 'react-i18next'

web/src/features/search/text-search-input.tsx

@@ -1,3 +1,21 @@
+//
+// Copyright (c) 2025-2026 rustmailer.com (https://rustmailer.com)
+//
+// This file is part of the Bichon Email Archiving Project
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 import React, { useState, useEffect, useRef } from "react"
 import { Input } from "@/components/ui/input"
 import { Button } from "@/components/ui/button"

web/src/features/search/time-popover.tsx

@@ -1,3 +1,21 @@
+//
+// Copyright (c) 2025-2026 rustmailer.com (https://rustmailer.com)
+//
+// This file is part of the Bichon Email Archiving Project
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 import * as React from 'react'
 import { CalendarRange, ChevronDown, X } from 'lucide-react'
 import { useTranslation } from 'react-i18next'

web/src/features/settings/appearance/appearance-form.tsx

@@ -1,3 +1,22 @@
+//
+// Copyright (c) 2025-2026 rustmailer.com (https://rustmailer.com)
+//
+// This file is part of the Bichon Email Archiving Project
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
 import { z } from 'zod'
 import { useForm } from 'react-hook-form'
 import { CaretSortIcon, CheckIcon } from '@radix-ui/react-icons'

web/src/features/settings/appearance/index.tsx

@@ -1,3 +1,21 @@
+//
+// Copyright (c) 2025-2026 rustmailer.com (https://rustmailer.com)
+//
+// This file is part of the Bichon Email Archiving Project
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 import { AppearanceForm } from './appearance-form'
 
 export function SettingsAppearance() {