Add the picked providers and a Must include group

docs/media.md

@@ -149,9 +149,9 @@ that deletion is irreversible. The delete button is disabled for a 5 second coun
   and the multi-select People popover. The **Advanced search** drawer has aspect ratio, resolution,
   source channel, posted-date range, file-type chips, cached-only, a default-on hide for 4chan
   links (they 404 almost always), a sort select (newest, oldest, user, size, length), and a **Do not
-  include** group with nested collapsibles for sources (the ten most common providers plus embeds,
-  attachments, and stickers), file types, size (with B/KB/MB/GB units), and length (seconds), with
-  **Apply filters** / **Reset** in the bar. Size and length ranges drop
+  include** and **Must include** groups with nested collapsibles for sources (the common providers
+  in the archive plus embeds, attachments, and stickers), file types, size (with B/KB/MB/GB units),
+  and length (seconds), with **Apply filters** / **Reset** in the bar. Size and length ranges drop
   rows with no known value. The bar and drawer show only on the Media tab.
   Nothing renders until **Load media** is pressed. A **Metadata** dropdown toggles which fields
   show in the small banner under each tile (User, Type, Date, Source, Resolution, Length). Video

docs/webui.md

@@ -131,12 +131,15 @@ box live in Chat, not Call, and the connection stats are not chips yet.
   popover. The **Advanced search** drawer holds aspect ratio, resolution, source channel,
   posted-date range, file-type chips (video mp4/webm/mov/mkv, image png/jpg/gif/webp/avif, audio),
   **Show only cached previews**, a default-on **Hide 4chan links (usually dead)**, and a
-  **Do not include** group with nested collapsibles for sources (the ten most common providers in
-  the archive — Discord, YouTube, Tenor, Twitch, Twitter, Steam, Medal, Sketchfab, Gfycat, Imgur —
-  plus embeds, attachments, stickers), file types, size (less/greater than, with B/KB/MB/GB units),
-  and length (less/greater than, seconds). A sort select orders the grid by newest,
-  oldest, user, size, or length. Size and length ranges drop rows with no known value. The filter
-  bar and the drawer are hidden on the Bot tab. Filters do not
+  **Do not include** and **Must include** groups, each with nested collapsibles. **Do not include**
+  hides sources (the common providers in the archive — Discord, YouTube, Giphy/Tenor, Twitch,
+  Twitter, Reddit, Streamable, Instagram, Facebook, Steam, Gyazo, TikTok, Medal, Sketchfab, Gfycat,
+  2ch.hk, Imgur, FunnyJunk, Internet Archive — plus embeds, attachments, stickers) and file types.
+  **Must include** requires them (same provider list and kinds, file-type chips, and size/length
+  bounds with B/KB/MB/GB units or seconds). A provider entry may carry several substrings, shown as
+  `Giphy/Tenor`. A sort select orders the grid by newest, oldest, user, size, or length. Size and
+  length bounds drop rows with no known value. The filter bar and the drawer are hidden on the Bot
+  tab. Filters do not
   apply until **Apply filters** is pressed; **Reset** clears every filter and the zoom, unloads the
   grid, and brings back the initial Load media prompt.
 - A **Card size** slider scales tiles from two-thirds of the old size up to one image per row; the
@@ -286,7 +289,7 @@ replaceable.
 | POST | `/api/audio/stop` | none | Stop speech and clear the queue |
 | POST | `/api/audio/capture` | `start` | Start or stop capture |
 | GET | `/api/transcript` | `limit?`, `sessionId?` | Sessions and captured segments |
-| GET | `/api/media` | `kind?`, `source?`, `channelId?`, `authorId?` (comma list), `origin?` (`guild`/`dm`), `cachedOnly?`, `ext?` (comma list), `excludeHosts?` (comma list), `excludeExt?`, `excludeProviders?`, `excludeSources?` (comma lists), `sizeLt?`/`sizeGt?` (bytes), `lenLt?`/`lenGt?` (seconds), `sort?` (`newest` default, `oldest`, `user`, `size`, `length`), `aspect?`, `resolution?`, `after?`, `before?`, `limit?`, `offset?` | Media items across every scrape, newest first. `source` is `attachment`, `sticker`, or `embed`; `aspect` and `resolution` are the preset keys; `after`/`before` are ISO times on `posted_at`. Items carry `authorName`, `postedAt`, `width`, `height`, `aspectRatio`, `contentType`, `durationSecs`, `previewError`, `animUrl`; `localUrl`/`thumbUrl` when a file or preview exists |
+| GET | `/api/media` | `kind?`, `source?`, `channelId?`, `authorId?` (comma list), `origin?` (`guild`/`dm`), `cachedOnly?`, `ext?` (comma list), `excludeHosts?` (comma list), `excludeExt?`, `excludeProviders?`, `excludeSources?`, `includeProviders?`, `includeSources?` (comma lists), `sizeLt?`/`sizeGt?` (bytes), `lenLt?`/`lenGt?` (seconds), `sort?` (`newest` default, `oldest`, `user`, `size`, `length`), `aspect?`, `resolution?`, `after?`, `before?`, `limit?`, `offset?` | Media items across every scrape, newest first. `source` is `attachment`, `sticker`, or `embed`; `aspect` and `resolution` are the preset keys; `after`/`before` are ISO times on `posted_at`. Items carry `authorName`, `postedAt`, `width`, `height`, `aspectRatio`, `contentType`, `durationSecs`, `previewError`, `animUrl`; `localUrl`/`thumbUrl` when a file or preview exists |
 | GET | `/api/media/:scrapeId/:itemId/file` | none | The downloaded file, content-typed from its extension |
 | GET | `/api/media/:scrapeId/:itemId/thumb` | none | The cached preview (type from `preview_ext`) |
 | GET | `/api/media/:scrapeId/:itemId/stream` | none | Playback/full-view source: the local file, or the remote URL refreshed from the source message. Supports `Range`. Non-media upstream responses (provider pages) return `415` |