feat: problems local stats, user status, admin panel enhancements, rating text

- Problems page: replace Luogu pass rate with local submission stats
  (local_submit_count, local_ac_count)
- Problems page: add user AC/fail status column (user_ac, user_fail_count)
- Admin users: add total_submissions and total_ac columns
- Admin users: add detail panel with submissions/rating/redeem tabs
- Admin: new endpoint GET /api/v1/admin/users/{id}/rating-history
- Rating history: note field includes problem title via JOIN
- Me page: translate task codes to friendly labels with icons
- Me page: problem links in rating history are clickable
- Wrong book service, learning note scoring, note image controller
- Backend SQL uses batch queries for performance

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

backend/include/csp/services/wrong_book_service.h

@@ -20,6 +20,13 @@ class WrongBookService {
 
   std::vector<WrongBookEntry> ListByUser(int64_t user_id);
   void UpsertNote(int64_t user_id, int64_t problem_id, const std::string& note);
+  std::string GetNoteImagesJson(int64_t user_id, int64_t problem_id);
+  void SetNoteImagesJson(int64_t user_id, int64_t problem_id, const std::string& note_images_json);
+  void UpsertNoteScore(int64_t user_id,
+                       int64_t problem_id,
+                       int32_t note_score,
+                       int32_t note_rating,
+                       const std::string& note_feedback_md);
   void UpsertBySubmission(int64_t user_id,
                           int64_t problem_id,
                           int64_t submission_id,