feat: add delete account button in settings, implement all remaining achievements

- Add delete all data button with red danger style and confirmation prompt
- Add DeleteUserData repo method that wipes user from all tables in a transaction
- Add helper methods deleteAccountPrompt and deleteAccountConfirm
- Implement consistency_master, perfect_week, remote_veteran, onsite_master achievements
- Add GetDailyXPInRange and SumWorkSecondsByWorkType repo methods
- Update Dockerfile to alpine3.23, docker-compose to use env vars for proxy/paths

internal/handler/handler.go

@@ -323,6 +323,10 @@ func (h *Handler) routePrefixedCallback(ctx context.Context, chatID int64, msgID
 		h.reportTimeCallback(ctx, chatID, msgID, cbID, user)
 	case data == "breakthreshold":
 		h.breakThresholdCallback(ctx, chatID, msgID, cbID, user)
+	case data == "deleteaccount":
+		h.deleteAccountPrompt(ctx, chatID, msgID, cbID, user)
+	case strings.HasPrefix(data, "delaccount_"):
+		h.deleteAccountConfirm(ctx, chatID, msgID, cbID, user)
 	case strings.HasPrefix(data, "league_"):
 		sortBy := data[7:]
 		h.leagueCallback(ctx, chatID, msgID, cbID, user, sortBy)