feat(sofiia-console): add runbooks index status endpoint

GET /api/runbooks/status returns docs_root, indexed_files, indexed_chunks, last_indexed_at, fts_available; docs_index_meta table and set on rebuild

Made-with: Cursor

services/sofiia-console/app/docs_index.py

@@ -9,11 +9,12 @@ import asyncio
 import logging
 import os
 import sys
+from datetime import datetime, timezone
 from pathlib import Path
 from typing import Optional
 
 from . import db as _db
-from .docs_store import clear_docs_index, insert_docs_file
+from .docs_store import clear_docs_index, insert_docs_file, set_docs_index_meta
 
 logger = logging.getLogger(__name__)
 
@@ -52,6 +53,8 @@ async def rebuild_index(docs_root: Optional[Path] = None) -> int:
         mtime = path.stat().st_mtime
         await insert_docs_file(path_key, mtime, content)
         count += 1
+    last_indexed_at = datetime.now(timezone.utc).isoformat()
+    await set_docs_index_meta(str(root), last_indexed_at, sha="")
     logger.info("Docs index rebuilt: %s files from %s", count, root)
     return count