feat: 模型下拉框按机构隔离（严格本机构，机构没配 llm 则下拉为空）

wwwroot/api/get_model_options.dspy

@@ -1,7 +1,10 @@
 import json
 try:
+    userorgid = await get_userorgid()
+    if not userorgid:
+        return json.dumps([{'value': '', 'text': '缺省(用项目默认模型)'}], ensure_ascii=False)
     async with get_sor_context(request._run_ns, 'pipeline') as sor:
-        rows = await sor.sqlExe("select name as value, name as text from llm where status='active' order by name", {})
+        rows = await sor.sqlExe("select name as value, name as text from llm where status='active' and org_id=${org}$ order by name", {'org': userorgid})
         r = [{'value': '', 'text': '缺省(用项目默认模型)'}] + list(rows)
         return json.dumps(r, ensure_ascii=False)
 except Exception as e: