diff --git a/deploy/migrations/m0008_llm_profile_path_headers.json b/deploy/migrations/m0008_llm_profile_path_headers.json
new file mode 100644
index 0000000..334538a
--- /dev/null
+++ b/deploy/migrations/m0008_llm_profile_path_headers.json
@@ -0,0 +1,15 @@
+{
+  "id": "m0008",
+  "title": "llm_api_profile 补 path/headers 自含字段 + llm_model 补 query_profile_ids 后续步骤模板链（异步模型提交→查询→[下载]多步编排）",
+  "backup_tables": ["llm_api_profile", "llm_model"],
+  "up": [
+    {"op": "sql", "sql": "ALTER TABLE llm_api_profile ADD COLUMN path VARCHAR(200) NULL COMMENT '请求路径(相对端点base_url,如/chat/completions)' AFTER capability"},
+    {"op": "sql", "sql": "ALTER TABLE llm_api_profile ADD COLUMN headers TEXT NULL COMMENT '请求头(JSON,含认证头模板)' AFTER path"},
+    {"op": "sql", "sql": "ALTER TABLE llm_model ADD COLUMN query_profile_ids TEXT NULL COMMENT '后续步骤模板链(JSON数组,异步模型提交后顺序执行:查询/下载)' AFTER profile_id"}
+  ],
+  "down": [
+    {"op": "sql", "sql": "ALTER TABLE llm_api_profile DROP COLUMN path"},
+    {"op": "sql", "sql": "ALTER TABLE llm_api_profile DROP COLUMN headers"},
+    {"op": "sql", "sql": "ALTER TABLE llm_model DROP COLUMN query_profile_ids"}
+  ]
+}