fix(docs): update stale mcp_server references for gitea-mcp migration

- DEBUGGING-CHECKLIST: gitea test uses gitea_mcp.server (not mcp_server)
- debug-mcp skills: generic module placeholder, gitea exception noted
- Removed orphan .doc-guardian-queue from projman

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

plugins/debug-mcp/commands/debug-mcp-inspect.md

@@ -53,6 +53,9 @@ Execute `skills/visual-header.md` with context "Server Inspection".
 - Args: ["-m", "mcp_server.server"]
 - CWD: /path/to/mcp-servers/gitea
 - Env file: ~/.config/claude/gitea.env
+
+**Note:** The gitea server uses `gitea_mcp.server` (installed from package).
+Other servers use `mcp_server.server` (local source).
 ```
 
 ### Phase 2: Dependencies (--deps)