fix: route all console.error through ErrorHandler for consistent tracking

Converted 35+ raw console.error calls to use ErrorHandler.logError() across
12 files. ErrorHandler provides structured logging, local error storage,
and error tracking integration.

Files:
- app-selector.js: 4 errors (fetch templates, port check, suggested port, deploy)
- globals.js: 2 errors (CSRF token get/add)
- service-credentials.js: 2 errors (save/clear credentials)
- totp-settings.js: 4 errors (TOTP setup, session duration, disable, AuthCard)
- notification-settings.js: 2 errors (load config, load history)
- setup-wizard.js: 2 errors (save config to server)
- progress-tracker.js: 4 errors (storage read/write/session/fallback)
- tooltip-definitions.js: 2 errors (validation, condition eval)
- tour-manager.js: 2 errors (Driver.js not loaded, tooltip not found)
- theme-adapter.js: 1 error (theme change callback)
- weather.js: 1 error (weather update)
- onboarding.js: removed duplicate console.error, fixed 2 remaining calls

All console.error calls in the DashCaddy frontend now go through ErrorHandler.

status/js/onboarding.js

@@ -89,11 +89,8 @@
 
       debug('[Onboarding] System initialized successfully');
     } catch (error) {
-      console.error('[Onboarding] Initialization error:', error);
-      
-      // Use error handler if available
       if (errorHandler) {
-        errorHandler.logError('Initialization', error);
+        errorHandler.logError('[Onboarding] Initialization', error);
       }
       
       // Graceful degradation - don't break the dashboard
@@ -113,7 +110,9 @@
         debug('[Onboarding] Starting tour via button click');
         tourManager.restartTour();
       } else {
-        console.error('[Onboarding] Tour manager not initialized');
+        if (errorHandler) {
+          errorHandler.logError('[Onboarding] Tour Manager Not Initialized', new Error('Tour manager not initialized'));
+        }
         alert('Tour is not available. Check browser console for errors.\n\nPossible issues:\n- Driver.js library failed to load\n- JavaScript errors during initialization');
       }
     };
@@ -163,7 +162,6 @@
           setTimeout(attemptInit, 500);
         } else {
           // Max retries reached, show fallback
-          console.error('[Onboarding] Driver.js failed to load after multiple attempts');
           if (errorHandler) {
             errorHandler.handleDriverLoadFailure();
           } else {