feat: add persistent badges and admin badge page

app/__init__.py

@@ -8,6 +8,7 @@ from .cli import register_cli, seed_badges
 from .extensions import csrf, db, login_manager
 from .routes import auth, main, scoreboard, settings, tasks
 from .routes.main import load_icon_svg
+from .services.badges import sync_existing_badges
 from .services.bootstrap import ensure_schema_and_admins
 from .services.dates import MONTH_NAMES, local_now
 from .services.monthly import archive_months_missing_up_to_previous
@@ -28,6 +29,7 @@ def create_app(config_class: type[Config] = Config) -> Flask:
         db.create_all()
         ensure_schema_and_admins()
         seed_badges()
+        sync_existing_badges()
 
     register_cli(app)