core/src/redis_client.cr:27:    @connection_mutex = Mutex.new
core/src/redis_client.cr:51:    @connection_mutex.synchronize do
core/src/redis_client.cr:62:      rescue ex : Redis::ConnectionError | IO::Error
core/src/redis_client.cr:64:          Log.warn("redis", "Connection error (attempt #{attempts}/#{RETRY_ATTEMPTS}): #{ex.message}")
core/src/redis_client.cr:67:            @redis.close rescue nil
core/src/redis_client.cr:69:          rescue conn_ex
core/src/redis_client.cr:70:            Log.warn("redis", "Failed to reconnect: #{conn_ex.message}")
core/src/redis_client.cr:73:          Log.error("redis", "Operation failed after #{RETRY_ATTEMPTS} attempts: #{ex.message}")
core/src/redis_client.cr:196:    @connection_mutex.synchronize do
core/src/redis_client.cr:298:  rescue
core/src/redis_client.cr:306:    rescue
core/src/redis_client.cr:1061:  rescue ex
core/src/redis_client.cr:1062:    Log.error("redis", "Migration error: #{ex.message}")
core/src/handlers/substance_handler.cr:17:  def handle(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/substance_handler.cr:91:  def handle_datasets(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/substance_handler.cr:103:  def handle_alcohol(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/substance_handler.cr:120:  def handle_list_substances(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/substance_handler.cr:179:  private def handle_alcohol_lookup(response : HTTP::Server::Response, brand_name : String)
core/src/handlers/substance_handler.cr:202:  private def handle_alcohol_categories(response : HTTP::Server::Response)
core/src/handlers/substance_handler.cr:228:  private def handle_alcohol_calculate(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/substance_handler.cr:251:    rescue ex
core/src/handlers/substance_handler.cr:253:      response.print({"error" => "Invalid request: #{ex.message}"}.to_json)
core/src/handlers/substance_handler.cr:281:  private def handle_alcohol_info(response : HTTP::Server::Response, brand_name : String, brand_data : JSON::Any)
core/src/handlers/substance_handler.cr:301:  private def handle_alcohol_dosage_info(response : HTTP::Server::Response, brand_name : String, brand_data : JSON::Any)
core/src/handlers/substance_handler.cr:328:  private def handle_substance_dosage(response : HTTP::Server::Response, substance_key : String, substance_data)
core/src/handlers/substance_handler.cr:347:  private def handle_substance_onset(response : HTTP::Server::Response, substance_key : String, substance_data)
core/src/handlers/substance_handler.cr:362:  private def handle_substance_duration(response : HTTP::Server::Response, substance_key : String, substance_data)
core/src/handlers/substance_handler.cr:377:  private def handle_substance_effects(response : HTTP::Server::Response, substance_key : String, substance_data)
core/src/handlers/substance_handler.cr:392:  private def handle_substance_aftereffects(response : HTTP::Server::Response, substance_key : String, substance_data)
core/src/handlers/substance_handler.cr:407:  private def handle_substance_info(response : HTTP::Server::Response, substance_key : String, substance_data)
core/src/handlers/substance_handler.cr:430:  private def handle_substances_data(response : HTTP::Server::Response)
core/src/handlers/substance_handler.cr:435:  private def handle_interactions_data(response : HTTP::Server::Response)
core/src/handlers/interaction_handler.cr:36:  def handle(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/log_handler.cr:27:  private def validate_timestamp(timestamp : String, response : HTTP::Server::Response) : Bool
core/src/handlers/log_handler.cr:42:    rescue
core/src/handlers/log_handler.cr:92:    rescue ex
core/src/handlers/log_handler.cr:93:      Log.debug("log_handler", "Failed to calculate local timestamp: #{ex.message}")
core/src/handlers/log_handler.cr:98:  private def authorize_user(user_id : String, authenticated_user : String?, response : HTTP::Server::Response) : Bool
core/src/handlers/log_handler.cr:109:  def handle(request : HTTP::Request, response : HTTP::Server::Response, authenticated_user : String? = nil)
core/src/handlers/log_handler.cr:181:  def handle_legacy(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/log_handler.cr:207:  private def handle_log_substance(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/log_handler.cr:357:      # Check if substance is an injectable medication (ml -> mg conversion)
core/src/handlers/log_handler.cr:461:    rescue JSON::ParseException
core/src/handlers/log_handler.cr:464:    rescue ex
core/src/handlers/log_handler.cr:466:      response.print({"error" => "Failed to log substance: #{ex.message}"}.to_json)
core/src/handlers/log_handler.cr:470:  private def handle_annotate_last_dose(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/log_handler.cr:505:    rescue JSON::ParseException
core/src/handlers/log_handler.cr:508:    rescue ex
core/src/handlers/log_handler.cr:510:      response.print({"error" => "Failed to add annotation: #{ex.message}"}.to_json)
core/src/handlers/log_handler.cr:514:  private def handle_log_vitals(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/log_handler.cr:563:    rescue JSON::ParseException
core/src/handlers/log_handler.cr:566:    rescue ex
core/src/handlers/log_handler.cr:568:      response.print({"error" => "Failed to log vitals: #{ex.message}"}.to_json)
core/src/handlers/log_handler.cr:572:  private def handle_log_labs(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/log_handler.cr:616:    rescue JSON::ParseException
core/src/handlers/log_handler.cr:619:    rescue ex
core/src/handlers/log_handler.cr:621:      response.print({"error" => "Failed to log lab result: #{ex.message}"}.to_json)
core/src/handlers/log_handler.cr:625:  private def handle_all_logs(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/log_handler.cr:669:    rescue ex
core/src/handlers/log_handler.cr:671:      response.print({"error" => "Failed to fetch logs from Redis: #{ex.message}"}.to_json)
core/src/handlers/log_handler.cr:675:  private def handle_logs_by_year(request : HTTP::Request, response : HTTP::Server::Response, year : String)
core/src/handlers/log_handler.cr:722:    rescue ex
core/src/handlers/log_handler.cr:724:      response.print({"error" => "Failed to fetch logs from Redis: #{ex.message}"}.to_json)
core/src/handlers/log_handler.cr:728:  private def handle_get_vitals(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/log_handler.cr:772:    rescue ex
core/src/handlers/log_handler.cr:774:      response.print({"error" => "Failed to fetch vitals from Redis: #{ex.message}"}.to_json)
core/src/handlers/log_handler.cr:778:  private def handle_get_labs(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/log_handler.cr:827:    rescue ex
core/src/handlers/log_handler.cr:829:      response.print({"error" => "Failed to fetch labs from Redis: #{ex.message}"}.to_json)
core/src/handlers/log_handler.cr:833:  private def handle_csv_export(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/log_handler.cr:875:    rescue ex
core/src/handlers/log_handler.cr:877:      response.print("Error generating CSV export: #{ex.message}")
core/src/handlers/log_handler.cr:881:  private def handle_csv_import(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/log_handler.cr:978:        rescue ex
core/src/handlers/log_handler.cr:979:          Log.warn("log_handler", "Import error: #{ex.message}")
core/src/handlers/log_handler.cr:992:    rescue ex
core/src/handlers/log_handler.cr:994:      response.print({"error" => "Import failed: #{ex.message}"}.to_json)
core/src/handlers/log_handler.cr:1011:    rescue ex
core/src/handlers/log_handler.cr:1012:      Log.warn("log_handler", "Could not load pretty name from drugs.json: #{ex.message}")
core/src/handlers/log_handler.cr:1028:    rescue ex
core/src/handlers/log_handler.cr:1029:      Log.warn("log_handler", "Could not load categories from drugs.json: #{ex.message}")
core/src/handlers/log_handler.cr:1068:    rescue ex
core/src/handlers/log_handler.cr:1069:      Log.warn("log_handler", "Could not classify dose: #{ex.message}")
core/src/handlers/log_handler.cr:1242:  private def handle_get_dose(request : HTTP::Request, response : HTTP::Server::Response, timestamp : String)
core/src/handlers/log_handler.cr:1266:    rescue ex
core/src/handlers/log_handler.cr:1268:      response.print({"error" => "Failed to get dose: #{ex.message}"}.to_json)
core/src/handlers/log_handler.cr:1272:  private def handle_update_dose(request : HTTP::Request, response : HTTP::Server::Response, timestamp : String)
core/src/handlers/log_handler.cr:1352:    rescue JSON::ParseException
core/src/handlers/log_handler.cr:1355:    rescue ex
core/src/handlers/log_handler.cr:1357:      response.print({"error" => "Failed to update dose: #{ex.message}"}.to_json)
core/src/handlers/log_handler.cr:1361:  private def handle_delete_dose(request : HTTP::Request, response : HTTP::Server::Response, timestamp : String)
core/src/handlers/log_handler.cr:1392:    rescue JSON::ParseException
core/src/handlers/log_handler.cr:1395:    rescue ex
core/src/handlers/log_handler.cr:1397:      response.print({"error" => "Failed to delete dose: #{ex.message}"}.to_json)
core/src/handlers/log_handler.cr:1401:  private def handle_undose_substance(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/log_handler.cr:1435:    rescue JSON::ParseException
core/src/handlers/log_handler.cr:1438:    rescue ex
core/src/handlers/log_handler.cr:1440:      response.print({"error" => "Failed to remove dose entry: #{ex.message}"}.to_json)
core/src/handlers/auth_handler.cr:29:  def handle(request : HTTP::Request, response : HTTP::Server::Response, authenticated_user : String? = nil)
core/src/handlers/auth_handler.cr:68:  private def handle_oauth_start(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/auth_handler.cr:102:  private def handle_oauth_callback(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/auth_handler.cr:180:  private def handle_list_keys(request : HTTP::Request, response : HTTP::Server::Response, authenticated_user : String?)
core/src/handlers/auth_handler.cr:203:  private def handle_create_key(request : HTTP::Request, response : HTTP::Server::Response, authenticated_user : String?)
core/src/handlers/auth_handler.cr:206:      data = JSON.parse(body) rescue nil
core/src/handlers/auth_handler.cr:225:    data = JSON.parse(body) rescue nil
core/src/handlers/auth_handler.cr:249:  private def handle_revoke_key(request : HTTP::Request, response : HTTP::Server::Response, authenticated_user : String?)
core/src/handlers/auth_handler.cr:292:  rescue ex
core/src/handlers/auth_handler.cr:293:    Log.error("auth", "Error exchanging Discord code: #{ex.message}")
core/src/handlers/auth_handler.cr:312:  rescue ex
core/src/handlers/auth_handler.cr:313:    Log.error("auth", "Error fetching Discord user: #{ex.message}")
core/src/handlers/auth_handler.cr:327:  private def method_not_allowed(response : HTTP::Server::Response)
core/src/handlers/auth_handler.cr:332:  private def show_error_page(response : HTTP::Server::Response, message : String)
core/src/handlers/auth_handler.cr:357:  private def show_success_page(response : HTTP::Server::Response, api_key : String, user_id : String, from : String)
core/src/handlers/auth_handler.cr:414:  private def handle_irc_request(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/auth_handler.cr:416:    data = JSON.parse(body) rescue nil
core/src/handlers/auth_handler.cr:447:  private def handle_irc_verify(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/auth_handler.cr:449:    data = JSON.parse(body) rescue nil
core/src/handlers/auth_handler.cr:481:  private def handle_irc_status(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/auth_handler.cr:509:  private def handle_irc_complete(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/auth_handler.cr:511:    data = JSON.parse(body) rescue nil
core/src/handlers/auth_handler.cr:547:  private def handle_link_accounts(request : HTTP::Request, response : HTTP::Server::Response, authenticated_user : String?)
core/src/handlers/auth_handler.cr:549:    data = JSON.parse(body) rescue nil
core/src/handlers/auth_handler.cr:594:  private def handle_get_linked(request : HTTP::Request, response : HTTP::Server::Response, authenticated_user : String?)
core/src/handlers/alias_handler.cr:8:  def handle(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/alias_handler.cr:34:  private def handle_create(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/alias_handler.cr:64:    rescue ex : JSON::ParseException
core/src/handlers/alias_handler.cr:66:      response.print({"error" => "Invalid JSON: #{ex.message}"}.to_json)
core/src/handlers/alias_handler.cr:70:  private def handle_get(request : HTTP::Request, response : HTTP::Server::Response, user_id : String, alias_name : String)
core/src/handlers/alias_handler.cr:91:  private def handle_list(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/alias_handler.cr:118:  private def handle_delete(request : HTTP::Request, response : HTTP::Server::Response, user_id : String, alias_name : String)
core/src/handlers/reminder_handler.cr:18:  def handle(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/reminder_handler.cr:42:  private def handle_create(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/reminder_handler.cr:57:        response.print({"error" => "Missing required fields: user_id, message, trigger_time, channel_id, discord_user_id, callback_url"}.to_json)
core/src/handlers/reminder_handler.cr:95:    rescue ex : JSON::ParseException
core/src/handlers/reminder_handler.cr:97:      response.print({"error" => "Invalid JSON: #{ex.message}"}.to_json)
core/src/handlers/reminder_handler.cr:101:  private def handle_list(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/reminder_handler.cr:128:  private def handle_delete(request : HTTP::Request, response : HTTP::Server::Response, reminder_id : String)
core/src/handlers/reminder_handler.cr:154:        rescue ex
core/src/handlers/reminder_handler.cr:155:          Log.error("reminder", "Error processing reminders: #{ex.message}")
core/src/handlers/reminder_handler.cr:182:      rescue ex
core/src/handlers/reminder_handler.cr:183:        Log.error("reminder", "Failed to send webhook: #{ex.message}")
core/src/handlers/reminder_handler.cr:194:    rescue
core/src/handlers/timezone_handler.cr:12:  def handle(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/timezone_handler.cr:22:  private def handle_lookup(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/metric_handler.cr:40:    rescue ex
core/src/handlers/metric_handler.cr:41:      Log.error("metric", "Failed to call wrapped service: #{ex.message}")
core/src/handlers/metric_handler.cr:63:    rescue ex
core/src/handlers/metric_handler.cr:64:      Log.error("metric", "Failed to call wrapped-cr service: #{ex.message}")
core/src/handlers/metric_handler.cr:137:  private def authorize_user(user_id : String, response : HTTP::Server::Response) : Bool
core/src/handlers/metric_handler.cr:169:      rescue
core/src/handlers/metric_handler.cr:174:    rescue
core/src/handlers/metric_handler.cr:195:  def handle(request : HTTP::Request, response : HTTP::Server::Response, authenticated_user : String? = nil)
core/src/handlers/metric_handler.cr:231:  def handle_analytics(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/metric_handler.cr:242:  private def handle_substance_metrics(response : HTTP::Server::Response, year : String?)
core/src/handlers/metric_handler.cr:283:    rescue ex
core/src/handlers/metric_handler.cr:284:      response.print({"error" => "Failed to fetch substance metrics from Redis: #{ex.message}"}.to_json)
core/src/handlers/metric_handler.cr:288:  private def handle_timeline_metrics(response : HTTP::Server::Response)
core/src/handlers/metric_handler.cr:304:  private def handle_route_metrics(response : HTTP::Server::Response)
core/src/handlers/metric_handler.cr:333:    rescue ex
core/src/handlers/metric_handler.cr:335:      response.print({"error" => "Failed to fetch route metrics from Redis: #{ex.message}"}.to_json)
core/src/handlers/metric_handler.cr:339:  private def handle_dose_statistics(response : HTTP::Server::Response, substance : String, route : String)
core/src/handlers/metric_handler.cr:417:    rescue ex
core/src/handlers/metric_handler.cr:419:      response.print({"error" => "Failed to fetch dose statistics from Redis: #{ex.message}"}.to_json)
core/src/handlers/metric_handler.cr:423:  private def handle_recent_metrics(response : HTTP::Server::Response)
core/src/handlers/metric_handler.cr:462:    rescue ex
core/src/handlers/metric_handler.cr:464:      response.print({"error" => "Failed to fetch recent metrics from Redis: #{ex.message}"}.to_json)
core/src/handlers/metric_handler.cr:468:  private def handle_user_metrics_endpoint(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/metric_handler.cr:565:  private def handle_user_lastdose(response : HTTP::Server::Response, user_id : String, n : Int32)
core/src/handlers/metric_handler.cr:593:    rescue ex
core/src/handlers/metric_handler.cr:595:      response.print({"error" => "Failed to fetch user dose data: #{ex.message}"}.to_json)
core/src/handlers/metric_handler.cr:599:  private def handle_user_listdose(response : HTTP::Server::Response, user_id : String, n : Int32)
core/src/handlers/metric_handler.cr:621:    rescue ex
core/src/handlers/metric_handler.cr:623:      response.print({"error" => "Failed to fetch user dose list: #{ex.message}"}.to_json)
core/src/handlers/metric_handler.cr:627:  private def handle_user_last_substance(response : HTTP::Server::Response, user_id : String, substance : String)
core/src/handlers/metric_handler.cr:648:    rescue ex
core/src/handlers/metric_handler.cr:650:      response.print({"error" => "Failed to fetch user substance data: #{ex.message}"}.to_json)
core/src/handlers/metric_handler.cr:654:  private def handle_user_grepdose(response : HTTP::Server::Response, user_id : String, substance : String, n : Int32? = nil, roa : String? = nil)
core/src/handlers/metric_handler.cr:709:    rescue ex
core/src/handlers/metric_handler.cr:711:      response.print({"error" => "Failed to fetch user substance data: #{ex.message}"}.to_json)
core/src/handlers/metric_handler.cr:715:  private def handle_user_howhighami(response : HTTP::Server::Response, user_id : String)
core/src/handlers/metric_handler.cr:835:      rescue ex
core/src/handlers/metric_handler.cr:836:        Log.warn("metric", "Could not load drugs.json: #{ex.message}")
core/src/handlers/metric_handler.cr:863:        rescue Time::Format::Error
core/src/handlers/metric_handler.cr:888:        rescue
core/src/handlers/metric_handler.cr:1069:        rescue Time::Format::Error
core/src/handlers/metric_handler.cr:1106:    rescue ex
core/src/handlers/metric_handler.cr:1108:      response.print({"error" => "Failed to fetch user howhighami data: #{ex.message}"}.to_json)
core/src/handlers/metric_handler.cr:1112:  private def handle_user_doseslogged(response : HTTP::Server::Response, user_id : String)
core/src/handlers/metric_handler.cr:1128:    rescue ex
core/src/handlers/metric_handler.cr:1130:      response.print({"error" => "Failed to fetch user doses logged data: #{ex.message}"}.to_json)
core/src/handlers/metric_handler.cr:1134:  private def handle_user_listdrugs(response : HTTP::Server::Response, user_id : String)
core/src/handlers/metric_handler.cr:1169:      rescue
core/src/handlers/metric_handler.cr:1187:    rescue ex
core/src/handlers/metric_handler.cr:1189:      response.print({"error" => "Failed to fetch user substances data: #{ex.message}"}.to_json)
core/src/handlers/metric_handler.cr:1193:  private def handle_user_tally(response : HTTP::Server::Response, user_id : String, substance : String)
core/src/handlers/metric_handler.cr:1275:    rescue ex
core/src/handlers/metric_handler.cr:1277:      response.print({"error" => "Failed to fetch user tally data: #{ex.message}"}.to_json)
core/src/handlers/metric_handler.cr:1281:  private def handle_wrapped_endpoint(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/metric_handler.cr:1339:  private def handle_wrapped_year(response : HTTP::Server::Response, user_id : String, year : Int32)
core/src/handlers/metric_handler.cr:1379:          rescue Time::Format::Error
core/src/handlers/metric_handler.cr:1411:    rescue ex
core/src/handlers/metric_handler.cr:1413:      response.print({"error" => "Failed to generate wrapped data: #{ex.message}"}.to_json)
core/src/handlers/metric_handler.cr:1417:  private def handle_wrapped_alltime(response : HTTP::Server::Response, user_id : String)
core/src/handlers/metric_handler.cr:1457:          rescue Time::Format::Error
core/src/handlers/metric_handler.cr:1490:    rescue ex
core/src/handlers/metric_handler.cr:1492:      response.print({"error" => "Failed to generate alltime wrapped data: #{ex.message}"}.to_json)
core/src/handlers/metric_handler.cr:1496:  private def handle_wrapped_image(response : HTTP::Server::Response, user_id : String, year : Int32?)
core/src/handlers/metric_handler.cr:1538:    rescue ex
core/src/handlers/metric_handler.cr:1540:      response.print({"error" => "Failed to generate wrapped image: #{ex.message}"}.to_json)
core/src/handlers/metric_handler.cr:1550:  private def handle_vwrapped_endpoint(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/metric_handler.cr:1574:  private def handle_vwrapped_async_request(request : HTTP::Request, response : HTTP::Server::Response, user_id : String, year : Int32)
core/src/handlers/metric_handler.cr:1623:    rescue ex : JSON::ParseException
core/src/handlers/metric_handler.cr:1626:    rescue ex
core/src/handlers/metric_handler.cr:1628:      response.print({"error" => "Failed to start async processing: #{ex.message}"}.to_json)
core/src/handlers/metric_handler.cr:1652:    rescue ex
core/src/handlers/metric_handler.cr:1655:      Log.error("metric", "Async vwrapped failed: #{ex.message}")
core/src/handlers/metric_handler.cr:1656:      send_vwrapped_callback(callback_url, request_id, "error", {"error" => ex.message || "Unknown error"})
core/src/handlers/metric_handler.cr:1676:    rescue ex
core/src/handlers/metric_handler.cr:1677:      Log.error("metric", "Failed to send callback: #{ex.message}")
core/src/handlers/metric_handler.cr:1681:  private def handle_vwrapped_video(response : HTTP::Server::Response, user_id : String, year : Int32)
core/src/handlers/metric_handler.cr:1736:    rescue ex
core/src/handlers/metric_handler.cr:1740:      response.print({"error" => "Failed to generate wrapped video: #{ex.message}"}.to_json)
core/src/handlers/metric_handler.cr:1744:  private def handle_wrapped_async_request(request : HTTP::Request, response : HTTP::Server::Response, user_id : String, year_or_image : String?, image_flag : String?)
core/src/handlers/metric_handler.cr:1788:    rescue JSON::ParseException
core/src/handlers/metric_handler.cr:1791:    rescue ex
core/src/handlers/metric_handler.cr:1793:      response.print({"error" => "Failed to start async processing: #{ex.message}"}.to_json)
core/src/handlers/metric_handler.cr:1823:    rescue ex
core/src/handlers/metric_handler.cr:1824:      Log.error("metric", "Async wrapped image processing failed: #{ex.message}")
core/src/handlers/metric_handler.cr:1830:        "error"      => "Internal server error: #{ex.message}",
core/src/handlers/metric_handler.cr:1850:    rescue ex
core/src/handlers/metric_handler.cr:1851:      Log.error("metric", "Failed to send callback: #{ex.message}")
core/src/handlers/metric_handler.cr:1887:    rescue
core/src/handlers/metric_handler.cr:1918:    rescue
core/src/handlers/metric_handler.cr:1950:    rescue
core/src/handlers/metric_handler.cr:1971:      rescue
core/src/handlers/metric_handler.cr:2021:  private def handle_analytics_wrapped(request : HTTP::Request, response : HTTP::Server::Response)
core/src/handlers/metric_handler.cr:2061:          rescue Time::Format::Error
core/src/handlers/metric_handler.cr:2095:          rescue
core/src/handlers/metric_handler.cr:2161:          rescue
core/src/handlers/metric_handler.cr:2197:          rescue
core/src/handlers/metric_handler.cr:2213:          rescue
core/src/handlers/metric_handler.cr:2322:            rescue
core/src/handlers/metric_handler.cr:2384:    rescue ex
core/src/handlers/metric_handler.cr:2386:      response.print({"error" => "Failed to generate wrapped analytics: #{ex.message}"}.to_json)
core/src/handlers/metric_handler.cr:2446:        rescue
core/src/handlers/metric_handler.cr:2486:        rescue
core/src/handlers/metric_handler.cr:2504:          rescue
core/src/handlers/metric_handler.cr:2609:        rescue
core/src/handlers/metric_handler.cr:2704:  private def handle_user_active_bars(response : HTTP::Server::Response, user_id : String)
core/src/handlers/metric_handler.cr:2766:        rescue
core/src/handlers/metric_handler.cr:2775:    rescue ex
core/src/handlers/metric_handler.cr:2777:      response.print({"error" => "Failed to fetch active substances bars: #{ex.message}"}.to_json)
core/src/handlers/metric_handler.cr:2782:  private def handle_user_categories(response : HTTP::Server::Response, user_id : String)
core/src/handlers/metric_handler.cr:2825:      rescue ex
core/src/handlers/metric_handler.cr:2827:        Log.warn("metric", "Error loading drugs.json: #{ex.message}")
core/src/handlers/metric_handler.cr:2843:    rescue ex
core/src/handlers/metric_handler.cr:2844:      Log.error("metric", "Exception in handle_user_categories: #{ex.message}")
core/src/handlers/metric_handler.cr:2846:      response.print({"error" => "Failed to fetch category counts: #{ex.message}"}.to_json)
core/src/handlers/metric_handler.cr:2851:  private def handle_user_substances(response : HTTP::Server::Response, user_id : String)
core/src/handlers/metric_handler.cr:2892:    rescue ex
core/src/handlers/metric_handler.cr:2893:      Log.error("metric", "Exception in handle_user_substances: #{ex.message}")
core/src/handlers/metric_handler.cr:2895:      response.print({"error" => "Failed to fetch user substance counts: #{ex.message}"}.to_json)
core/src/handlers/metric_handler.cr:2900:  private def handle_user_recent_frequency(response : HTTP::Server::Response, user_id : String)
core/src/handlers/metric_handler.cr:2924:          rescue
core/src/handlers/metric_handler.cr:2942:    rescue ex
core/src/handlers/metric_handler.cr:2944:      response.print({"error" => "Failed to fetch recent frequency: #{ex.message}"}.to_json)
core/src/router.cr:58:  def handle_request(context : HTTP::Server::Context)
core/src/router.cr:180:    rescue ex
core/src/router.cr:183:      context.response.print({"error" => "Internal server error: #{ex.message}"}.to_json)
core/src/router.cr:210:  private def authenticate(request : HTTP::Request, response : HTTP::Server::Response) : Bool
core/src/router.cr:248:  private def handle_health(request : HTTP::Request, response : HTTP::Server::Response)
core/src/router.cr:251:    rescue ex
core/src/router.cr:252:      "error: #{ex.message}"
core/src/router.cr:262:  private def handle_api_root(request : HTTP::Request, response : HTTP::Server::Response)
core/src/router.cr:266:        "version" => "1.0.0",
core/src/router.cr:283:  private def handle_info(request : HTTP::Request, response : HTTP::Server::Response)
core/src/router.cr:287:        "version" => "1.0.0",
core/src/router.cr:301:  private def handle_openapi_spec(request : HTTP::Request, response : HTTP::Server::Response)
core/src/router.cr:307:    rescue ex
core/src/router.cr:310:      response.print({"error" => "OpenAPI spec not found: #{ex.message}"}.to_json)
core/src/router.cr:314:  private def handle_swagger_ui(request : HTTP::Request, response : HTTP::Server::Response)
core/src/router.cr:320:    rescue ex
core/src/router.cr:323:      response.print({"error" => "Swagger UI not found: #{ex.message}"}.to_json)
core/src/router.cr:327:  private def handle_static_logo(request : HTTP::Request, response : HTTP::Server::Response)
core/src/router.cr:334:    rescue ex
core/src/router.cr:337:      response.print({"error" => "Logo not found: #{ex.message}"}.to_json)
core/src/router.cr:341:  private def handle_acme_challenge(request : HTTP::Request, response : HTTP::Server::Response)
core/src/router.cr:354:  private def authorize_user(user_id : String, response : HTTP::Server::Response) : Bool
core/src/router.cr:365:  private def handle_user_routes(request : HTTP::Request, response : HTTP::Server::Response)
core/src/router.cr:395:        rescue ex : JSON::ParseException
core/src/router.cr:397:          response.print({"error" => "Invalid JSON: #{ex.message}"}.to_json)
core/src/router.cr:423:  private def handle_get_user_data_stats(user_id : String, response : HTTP::Server::Response)
core/src/router.cr:441:  private def handle_delete_user_data(user_id : String, response : HTTP::Server::Response)
core/src/migrator.cr:44:      rescue ex
core/src/migrator.cr:45:        Log.error("migrator", "Error processing #{dose_key}: #{ex.message}")
core/src/migrator.cr:313:  rescue
core/src/migrator.cr:347:  rescue
core/src/rate_limiter.cr:29:    @mutex = Mutex.new
core/src/rate_limiter.cr:36:    @mutex.synchronize do
core/src/rate_limiter.cr:58:    @mutex.synchronize do
core/src/rate_limiter.cr:72:    @mutex.synchronize do
core/src/rate_limiter.cr:87:    @mutex.synchronize do
core/src/rate_limiter.cr:103:    @mutex.synchronize do