Add the Bot settings group with limit, usage bar, and clean modal

docs/media.md

@@ -1,8 +1,8 @@
 # Media archive
 
 Status: design approved 2026-09-16. The engine, the slopbot backend, the `scrape media` command,
-the `/api/media/*` routes, and storage limits with retention are implemented (C3-C7a). The Media
-and Bot tabs are C6; the Settings group is C7b. Checkpoints live in [CURRENT.md](../CURRENT.md).
+the `/api/media/*` routes, storage limits with retention, and the Settings group are implemented
+(C3-C7b). The Media and Bot tabs are C6. Checkpoints live in [CURRENT.md](../CURRENT.md).
 
 The media archive saves the media history of a channel. A trusted user runs `scrape media` in the
 channel. The daemon walks the history through a scrape backend and indexes every image, GIF,
@@ -125,7 +125,8 @@ that deletion is irreversible. The delete button is disabled for a 5 second coun
   database overhead.
 - Settings gains one collapsible group. Its name is **Bot** while the bot path is active, and
   **Media** if the bot path is removed. It holds the limit field with the info tooltip, the usage
-  bar, and the clean button.
+  bar (segmented by image, GIF, video, audio, and other), and the clean button with its 5 second
+  countdown.
 - Mobile is out of scope for now.
 
 ## MCP

docs/webui.md

@@ -171,6 +171,9 @@ The Settings button opens a slide-over:
     the bot's devices. Clicking **Client audio** in the header does the same: it asks for the
     permission, unlocks the audio context in the same click, and then starts listening. A second
     click stops it.
+- **Bot** — slopbot connection state, the media storage limit in GiB with an info tooltip (5% overrun
+  and the warning rule), the usage bar segmented by image, GIF, video, audio, and other, and
+  **Clean media…** with a 5 second confirmation countdown. See [media.md](media.md).
 - **Server** — a collapsible group with:
   - **Core process** — state, last exit, output, Start / Stop / Restart.
   - **Account login** — token file state, QR login, captcha.