Remove API references from READMEs

mock/README.md

@@ -22,19 +22,6 @@ Flags:
 
 Listens on `http://localhost:5738` by default.
 
-## API Surface (mocked)
-
-- `GET /version` — server version
-- `GET /status` — status (requires auth when enabled)
-- `GET /conversations` — list conversations
-- `GET /messages?guid=...&beforeDate=...&beforeMessageGUID=...&afterMessageGUID=...&limit=...` — list messages
-- `POST /authenticate` — exchange username/password for a bearer token (when `--auth`)
-- `POST /sendMessage` — send a message
-- `POST /markConversation?guid=...` — mark read
-- `GET /attachment?guid=...` — download attachment
-- `POST /uploadAttachment?filename=...` — upload attachment
-- `GET /pollUpdates?seq=...` — long‑poll for updates
-- `GET /updates` — WebSocket updates
-
-Note: `/api/*` paths are redirected to the same endpoints for compatibility.
+## API Compatibility
 
+Implements the Kordophone HTTP API used by clients. Refer to the centralized API documentation (planned under `api/`) for the authoritative specification.