fix: force text model for list mode to avoid image model rejection

fix_text_model.py

@@ -0,0 +1,17 @@
+path = r"D:\yingce\open-ai-canvas-main\web\src\pages\canvas\list-mode-generator.ts"
+with open(path, "r", encoding="utf-8") as f:
+    content = f.read()
+
+old = '''        const listConfig = buildGenerationConfig(config, sourceNode, "text");'''
+new = '''        // Force text model: strip node.metadata.model so buildGenerationConfig uses config.textModel
+        const sourceNodeForConfig = { ...sourceNode, metadata: { ...(sourceNode.metadata || {}), model: undefined } };
+        let listConfig = buildGenerationConfig(config, sourceNodeForConfig, "text");
+        // Explicitly set model to the configured text model
+        if (config.textModel) {
+            listConfig = { ...listConfig, model: config.textModel };
+        }'''
+content = content.replace(old, new, 1)
+
+with open(path, "w", encoding="utf-8") as f:
+    f.write(content)
+print("done")

web/src/pages/canvas/list-mode-generator.ts

@@ -95,7 +95,13 @@ export async function handleListGenerate({
     setRunningNodeId(sourceNodeId);
 
     try {
-        const listConfig = buildGenerationConfig(config, sourceNode, "text");
+        // Force text model: strip node.metadata.model so buildGenerationConfig uses config.textModel
+        const sourceNodeForConfig = { ...sourceNode, metadata: { ...(sourceNode.metadata || {}), model: undefined } };
+        let listConfig = buildGenerationConfig(config, sourceNodeForConfig, "text");
+        // Explicitly set model to the configured text model
+        if (config.textModel) {
+            listConfig = { ...listConfig, model: config.textModel };
+        }
 
         const referenceImages = imageNodes.map((node) => ({
             id: node.id,