Add admin features, responsive UI, user reviews, visit stats, and channel-colored markers

- Admin: video management with Google Maps match status, manual restaurant mapping, restaurant remap on name change
- Admin: user management tab with favorites/reviews detail
- Admin: channel deletion fix for IDs with slashes
- Frontend: responsive mobile layout (map top, list bottom, 2-row header)
- Frontend: channel-colored map markers with legend
- Frontend: my reviews list, favorites toggle, visit counter overlay
- Frontend: force light mode for dark theme devices
- Backend: visit tracking (site_visits table), user reviews endpoint
- Backend: bulk transcript/extract streaming, geocode key fixes
- Nginx config for production deployment

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

backend/core/geocoding.py

@@ -57,17 +57,53 @@ def _places_text_search(query: str) -> dict | None:
         if data.get("status") == "OK" and data.get("results"):
             place = data["results"][0]
             loc = place["geometry"]["location"]
-            return {
+            result = {
                 "latitude": loc["lat"],
                 "longitude": loc["lng"],
                 "formatted_address": place.get("formatted_address", ""),
                 "google_place_id": place.get("place_id", ""),
+                "business_status": place.get("business_status"),
+                "rating": place.get("rating"),
+                "rating_count": place.get("user_ratings_total"),
             }
+            # Fetch phone/website from Place Details
+            place_id = place.get("place_id")
+            if place_id:
+                details = _place_details(place_id)
+                if details:
+                    result.update(details)
+            return result
     except Exception as e:
         logger.warning("Places text search failed for '%s': %s", query, e)
     return None
 
 
+def _place_details(place_id: str) -> dict | None:
+    """Fetch phone and website from Google Place Details API."""
+    try:
+        r = httpx.get(
+            "https://maps.googleapis.com/maps/api/place/details/json",
+            params={
+                "place_id": place_id,
+                "key": _api_key(),
+                "language": "ko",
+                "fields": "formatted_phone_number,website",
+            },
+            timeout=10,
+        )
+        r.raise_for_status()
+        data = r.json()
+        if data.get("status") == "OK" and data.get("result"):
+            res = data["result"]
+            return {
+                "phone": res.get("formatted_phone_number"),
+                "website": res.get("website"),
+            }
+    except Exception as e:
+        logger.warning("Place details failed for '%s': %s", place_id, e)
+    return None
+
+
 def _geocode(query: str) -> dict | None:
     """Geocode an address string."""
     try: