feat: add feedback resolver

internal/server/server.go

@@ -195,7 +195,7 @@ func (s *Server) initAuth(cfg *config.Config, logger *zap.Logger) {
 	statsRepo := repository.NewStatsRepo(s.pg)
 	feedbackSvc := service.NewFeedbackService(feedbackRepo, mail, cfg.FeedbackAdminEmails, logger)
 	s.feedbackH = handler.NewFeedbackHandler(feedbackSvc)
-	s.statsH = handler.NewStatsHandler(statsRepo, feedbackRepo)
+	s.statsH = handler.NewStatsHandler(statsRepo, feedbackRepo, feedbackSvc)
 }
 
 // initShortener wires Postgres + Redis + the shorturl handler/workers.
@@ -314,6 +314,10 @@ func (s *Server) setupRouter() {
 	// ever needs to change.
 	if s.statsH != nil {
 		r.Get("/stats", s.statsH.Render)
+		// One-way "mark resolved" per feedback row — POST so a refresh of
+		// /stats can't replay it, and it lives at the same public access
+		// level as /stats itself (gate both together if that changes).
+		r.Post("/stats/feedback/{id}/resolve", s.statsH.ResolveFeedback)
 	}
 
 	// API v1