fix: add type annotations to untyped path parameters (#27)

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

app/routers_v2/teams.py

@@ -138,6 +138,9 @@ async def get_teams(
     if ranking_max is not None:
         all_teams = all_teams.where(Team.ranking <= ranking_max)
 
+    if ranking_max is not None:
+        all_teams = all_teams.where(Team.ranking <= ranking_max)
+
     if has_guide is not None:
         # Use boolean comparison (PostgreSQL-compatible)
         if not has_guide: