Deploy: Consolidated gold tables, fixed nginx docs routing

api/routes/auth.py

@@ -412,9 +412,25 @@ async def get_user_info(provider: str, access_token: str, config: dict) -> dict:
             }
         
         elif provider == 'facebook':
-            resp = await client.get(config['userinfo_url'], headers={'Authorization': f'Bearer {access_token}'})
+            # Facebook uses access token as query parameter, not Bearer header
+            userinfo_url_with_token = f"{config['userinfo_url']}&access_token={access_token}"
+            resp = await client.get(userinfo_url_with_token)
+            
+            # Log response for debugging
+            logger.info(f"Facebook API response status: {resp.status_code}")
+            logger.info(f"Facebook API response: {resp.text[:500]}")
+            
+            if resp.status_code != 200:
+                logger.error(f"Facebook userinfo request failed: {resp.status_code} - {resp.text}")
+                return None
+            
             data = resp.json()
             
+            # Validate we got required data
+            if not data.get('id'):
+                logger.error(f"Facebook did not return user ID. Response: {data}")
+                return None
+            
             # Facebook may not return email if permission not approved in App Review
             # Generate a placeholder email using Facebook ID if email not available
             email = data.get('email')