Add the media MCP tools and live-verified slopbot path

docs/media-mcp.md

@@ -4,7 +4,9 @@ The media archive is designed for agent access. The daemon exposes one service,
 are thin wrappers around it. The same service backs the Web UI routes, so the two clients cannot
 drift.
 
-Status: hooks designed, implementation at checkpoint C8 in [CURRENT.md](../CURRENT.md).
+Status: implemented (C8). The tools are registered in `poc/src/control-bridge.ts`; read tools are
+also in `run_commands`. Advanced `query_media` filters (author, date, text) are planned; the index
+has the columns.
 
 ## Service interface
 
@@ -21,8 +23,8 @@ interface MediaService {
 }
 ```
 
-`MediaQuery`: `kind`, `scrapeId`, `channelId`, `guildId`, `authorId`, `after`, `before`, `text`,
-`limit`, `cursor`.
+`MediaQuery` (implemented): `kind`, `scrapeId`, `limit`, `offset`. Planned: `channelId`,
+`guildId`, `authorId`, `after`, `before`, `text`.
 
 `StorageStatus`: `usedBytes`, `limitBytes`, `warnPercent`, `overrunPercent`, `byKind`,
 `scrapes: [{ id, bytes, state, createdAt }]`.