fix: resolve mypy and djlint CI failures

- app/utils/subscription.py: add Any type annotation to _scalar_count()
  query parameter (mypy no-untyped-def error at line 316)
- frontend/templates/admin_plans.html: remove empty <div></div> at line 344
  (djlint H020 empty tag pair error)

Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>

app/utils/subscription.py

@@ -313,7 +313,7 @@ def _today_utc() -> date:
     return datetime.now(timezone.utc).date()
 
 
-def _scalar_count(query) -> int:
+def _scalar_count(query: Any) -> int:
     """Execute a count query and return an int, defaulting to 0 for NULL."""
     return query.scalar() or 0
 

frontend/templates/admin_plans.html

@@ -341,7 +341,6 @@
                 <span class="text-xs text-gray-400">Coming soon</span>
               </div>
             </div>
-            <div></div>
             <div class="relative">
               <label class="block text-sm font-medium text-gray-700 mb-1">Overage price / doc ($)</label>
               <input type="number" disabled placeholder="Coming soon"