Add service update notification and version check enhancements

Introduced a front-end mechanism to notify users of available service updates and enhanced the service info page to reflect update status dynamically. Removed backend audit log writes for version checks to streamline operations and improve performance. Updated styling to visually highlight update notifications.

backend/app/api/routes/service_info.py

@@ -11,7 +11,6 @@ from app.core.db import get_db
 from app.core.deps import get_current_user
 from app.models.models import ServiceInfoSettings, User
 from app.schemas.service_info import ServiceInfoCheckResult, ServiceInfoOut
-from app.services.audit import write_audit_log
 from app.services.service_info import (
     UPSTREAM_REPO_WEB,
     fetch_latest_from_upstream,
@@ -71,6 +70,7 @@ async def check_service_version(
     user: User = Depends(get_current_user),
     db: AsyncSession = Depends(get_db),
 ) -> ServiceInfoCheckResult:
+    _ = user
     row = await _get_or_create_service_settings(db)
     check_time = utcnow()
     latest, latest_ref, error = await fetch_latest_from_upstream()
@@ -85,17 +85,6 @@ async def check_service_version(
         row.update_available = False
     await db.commit()
     await db.refresh(row)
-    await write_audit_log(
-        db,
-        "service.info.check",
-        user.id,
-        {
-            "latest_version": row.latest_version,
-            "latest_ref": row.release_check_url,
-            "update_available": row.update_available,
-            "last_check_error": row.last_check_error,
-        },
-    )
     return ServiceInfoCheckResult(
         latest_version=row.latest_version,
         latest_ref=(row.release_check_url or None),