try

src/lib/components/PicletGenerator/PicletGenerator.svelte

@@ -37,10 +37,14 @@
   
   // Text generation client management - simplified to only use HunyuanTurbos
   type TextGenerationClient = 'hunyuan' | 'command' | 'zephyr' | 'qwen' | 'dots';
-  let currentTextClient: TextGenerationClient = $workflowState('hunyuan'); // Fixed to HunyuanTurbos only
+  let currentTextClient: TextGenerationClient = $state('hunyuan'); // Fixed to HunyuanTurbos only
   
   // Get the active text generation client (now only returns HunyuanTurbos)
   const getActiveTextClient = () => {
+    if (!hunyuanClient) {
+      console.warn('HunyuanTurbos client not yet initialized');
+      return null;
+    }
     return hunyuanClient; // Only HunyuanTurbos is active
     
     // Unused client switching (kept for future use)