feat: implement TTS, Document processing, and Memory Service /facts API

- TTS: xtts-v2 integration with voice cloning support
- Document: docling integration for PDF/DOCX/PPTX processing
- Memory Service: added /facts/upsert, /facts/{key}, /facts endpoints
- Added required dependencies (TTS, docling)

services/memory-service/app/auth.py

@@ -6,7 +6,7 @@ import os
 import jwt
 import time
 from typing import Optional, Union
-from fastapi import HTTPException, Security
+from fastapi import HTTPException, Security, Depends
 from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
 from app.config import get_settings
 
@@ -18,6 +18,7 @@ JWT_ALGORITHM = settings.jwt_algorithm
 JWT_EXPIRATION = settings.jwt_expiration
 
 security = HTTPBearer()
+security_optional = HTTPBearer(auto_error=False)
 
 
 def generate_jwt_token(service_name: str, permissions: list = None) -> str:
@@ -43,7 +44,7 @@ def verify_jwt_token(token: str) -> dict:
 
 
 async def get_current_service_optional(
-    credentials: Optional[HTTPAuthorizationCredentials] = Security(security, auto_error=False)
+    credentials: Optional[HTTPAuthorizationCredentials] = Depends(security_optional)
 ) -> Optional[dict]:
     """Dependency для отримання поточного сервісу з JWT (опціонально)"""
     if not credentials: