feat(mig): m0010 llm_usage补usages列+llm_vendor删protocol列

deploy/migrations/m0010_llm_usages_vendor_protocol.json

@@ -0,0 +1,25 @@
+{
+  "id": "m0010",
+  "title": "llm_usage 补 usages 列（非token用量因子）+ llm_vendor 删 protocol 列（模式归模型适配模板，2026-09-05 用户定夺）",
+  "backup_tables": ["llm_usage", "llm_vendor"],
+  "up": [
+    {
+      "op": "sql",
+      "sql": "ALTER TABLE llm_usage ADD COLUMN usages TEXT COMMENT '非token用量因子JSON(时长/分辨率等,异步出账读入定价引擎)' AFTER status"
+    },
+    {
+      "op": "sql",
+      "sql": "ALTER TABLE llm_vendor DROP COLUMN protocol"
+    }
+  ],
+  "down": [
+    {
+      "op": "sql",
+      "sql": "ALTER TABLE llm_usage DROP COLUMN usages"
+    },
+    {
+      "op": "sql",
+      "sql": "ALTER TABLE llm_vendor ADD COLUMN protocol VARCHAR(20) NOT NULL DEFAULT 'openai_compat' COMMENT '协议类型' AFTER name"
+    }
+  ]
+}