过滤 DirectProject 编辑器的空白内容 part

跳过纯空白文本节点并合并相邻文本，避免引用后的分隔空格和换行触发 Rust 空输入校验。

apps/ai-game-creator-shell/src/features/project-workspace/ResourceReferenceInput.tsx

@@ -183,6 +183,17 @@ function sameDraft(left: ChatComposerDraft, right: ChatComposerDraft) {
   );
 }
 
+function appendInputText(content: DirectCodexUserContentPart[], text: string) {
+  const previous = content[content.length - 1];
+  if (previous?.type === 'input_text') {
+    previous.text += text;
+    return;
+  }
+  if (text.trim()) {
+    content.push({ type: 'input_text', text });
+  }
+}
+
 function collectDraftParts(
   node: LexicalNode,
   textParts: string[],
@@ -192,12 +203,12 @@ function collectDraftParts(
   if ($isTextNode(node)) {
     const text = node.getTextContent();
     textParts.push(text);
-    if (text) content.push({ type: 'input_text', text });
+    appendInputText(content, text);
     return;
   }
   if ($isLineBreakNode(node)) {
     textParts.push('\n');
-    content.push({ type: 'input_text', text: '\n' });
+    appendInputText(content, '\n');
     return;
   }
   if ($isResourceReferenceNode(node)) {
@@ -210,7 +221,7 @@ function collectDraftParts(
     node.getChildren().forEach((child, index) => {
       if (index > 0 && node.getType() === 'root') {
         textParts.push('\n');
-        content.push({ type: 'input_text', text: '\n' });
+        appendInputText(content, '\n');
       }
       collectDraftParts(child, textParts, references, content);
     });