feat: add admin stats

polylan_submitter/place/api.py

@@ -18,6 +18,8 @@ from .heatmap import (
     build_heatmap_png,
 )
 from .models import PixelPlacement, PlaceSettings
+from .schemas import PlaceStatsOut
+from .stats import build_place_stats
 
 router = Router()
 
@@ -104,6 +106,14 @@ def heatmap_decay_gif(
     )
 
 
+@router.get(f"{PREFIX}/stats", auth=django_auth_is_staff, response=PlaceStatsOut)
+@decorate_view(require_game_enabled(path="place"))
+def stats(request: HttpRequest, event_path: str):
+    """Admin-only: aggregated stats about the game - totals, coverage, top
+    players, most contested pixels, color usage and activity per hour."""
+    return build_place_stats(request.event)
+
+
 @router.get(f"{PREFIX}/placements.csv", auth=django_auth_is_staff)
 @decorate_view(require_game_enabled(path="place"))
 def placements_csv(request: HttpRequest, event_path: str):