fix(script): add app dir to sys.path for proper imports

trigger_history_index.py

@@ -5,6 +5,13 @@ Script to manually trigger indexing of chat history logs.
 """
 import sys
 import logging
+import sys
+import os
+import logging
+
+# Add 'app' directory to sys.path to allow imports from app modules
+sys.path.append(os.path.join(os.path.dirname(__file__), "app"))
+
 from deps import get_db, get_qdrant_client
 from config import get_settings
 from services.provider_factory import ProviderFactory