Initial commit: Tasteby - YouTube restaurant map service

Backend (FastAPI + Oracle ADB), Frontend (Next.js), daemon worker.
Features: channel/video/restaurant management, semantic search,
Google OAuth, user reviews.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

backend/api/deps.py

@@ -0,0 +1,32 @@
+"""FastAPI dependencies for authentication."""
+
+from __future__ import annotations
+
+from fastapi import Header, HTTPException
+
+from core.auth import verify_jwt
+
+
+def get_current_user(authorization: str = Header(None)) -> dict:
+    """Extract and verify Bearer token, return user payload.
+
+    Raises 401 if token is missing or invalid.
+    """
+    if not authorization or not authorization.startswith("Bearer "):
+        raise HTTPException(401, "Missing or invalid Authorization header")
+    token = authorization.removeprefix("Bearer ").strip()
+    try:
+        return verify_jwt(token)
+    except Exception:
+        raise HTTPException(401, "Invalid or expired token")
+
+
+def get_optional_user(authorization: str = Header(None)) -> dict | None:
+    """Same as get_current_user but returns None if no token."""
+    if not authorization or not authorization.startswith("Bearer "):
+        return None
+    token = authorization.removeprefix("Bearer ").strip()
+    try:
+        return verify_jwt(token)
+    except Exception:
+        return None