fix: handle unclosed yaml code fence from small models (0.6.3)

Small/local models (e.g. qwen via ollama) sometimes emit ```yaml
without a closing ```, causing the raw fence marker to be saved
into the workflow file. Added fallback regex to strip it.

Author: jnMetaCode

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "agency-orchestrator",
-  "version": "0.6.2",
+  "version": "0.6.3",
   "description": "Multi-agent YAML workflow engine — 211 AI roles, auto DAG parallelism, zero code. One sentence → multiple AI roles collaborate → complete plan in minutes. 10 LLM providers, 7 need no API key.",
   "keywords": [
     "multi-agent",

package.json

@@ -292,6 +292,10 @@ export function extractYamlFromResponse(response: string): string {
   const codeBlock = response.match(/```\s*\n([\s\S]*?)```/);
   if (codeBlock) return codeBlock[1].trim();
 
+  // 小模型可能只有开头的 ``` 没有闭合，兜底去掉
+  const unclosed = response.match(/```ya?ml?\s*\n([\s\S]+)/);
+  if (unclosed) return unclosed[1].trim().replace(/```\s*$/, '').trim();
+
   // 没有代码块，整个回复当 YAML
   return response.trim();
 }

src/cli/compose.ts

@@ -67,6 +67,13 @@ test('多个代码块时取第一个 yaml 块', () => {
   assert(!yaml.includes('second'), '不应包含第二个代码块');
 });
 
+test('未闭合的 ```yaml 代码块（小模型兜底）', () => {
+  const response = '```yaml\nname: "test"\nsteps:\n  - id: s1\n    role: "engineering/engineering-senior-developer"';
+  const yaml = extractYamlFromResponse(response);
+  assert(yaml.includes('name: "test"'), '应提取内容');
+  assert(!yaml.includes('```'), '不应包含代码块标记');
+});
+
 // ─── formatCatalogForPrompt ───
 
 console.log('\n─── formatCatalogForPrompt ───');