Improve database path handling with Docker detection and fallback to /tmp

config.py

@@ -18,8 +18,11 @@ class Settings(BaseSettings):
     
     # Database settings
     # Use /tmp for writable location in Docker containers
-    db_path: str = os.getenv("DB_PATH", "/tmp/sessions.db")
-    faiss_index_path: str = os.getenv("FAISS_INDEX_PATH", "/tmp/embeddings.faiss")
+    # Check if we're in Docker (HF Spaces) - if so, use /tmp
+    _default_db_path = "/tmp/sessions.db" if os.path.exists("/.dockerenv") or os.path.exists("/tmp") else "sessions.db"
+    db_path: str = os.getenv("DB_PATH", _default_db_path)
+    _default_faiss_path = "/tmp/embeddings.faiss" if os.path.exists("/.dockerenv") or os.path.exists("/tmp") else "embeddings.faiss"
+    faiss_index_path: str = os.getenv("FAISS_INDEX_PATH", _default_faiss_path)
     
     # Session settings
     session_timeout: int = int(os.getenv("SESSION_TIMEOUT", "3600"))

src/context_manager.py

@@ -62,8 +62,13 @@ class EfficientContextManager:
         }
         # Use provided db_path or get from config/env, default to /tmp for Docker
         if db_path is None:
-            from config import settings
-            db_path = settings.db_path
+            try:
+                from config import settings
+                db_path = settings.db_path
+            except (ImportError, AttributeError):
+                # Fallback: check environment variable or use /tmp
+                import os
+                db_path = os.getenv("DB_PATH", "/tmp/sessions.db")
         self.db_path = db_path
         # Ensure directory exists
         db_dir = os.path.dirname(self.db_path)