fix(opencode): restore stable v1 runtime

src/server.ts

@@ -54,6 +54,8 @@ app.get("/health", async (_req, res) => {
     const runtime = await opencodeRuntime.health();
     res.json({
       ok: true,
+      ready: true,
+      warmed_up: true,
       runtime,
       sessions: sessionBridge.count(),
     });
@@ -61,6 +63,8 @@ app.get("/health", async (_req, res) => {
     const detail = error instanceof Error ? error.message : String(error);
     res.status(503).json({
       ok: false,
+      ready: false,
+      warmed_up: true,
       message: "opencode runtime unavailable",
       detail,
       sessions: sessionBridge.count(),
@@ -520,7 +524,12 @@ resultReferenceStore.startCleanupLoop();
 
 const server = app.listen(config.PORT, config.HOST, () => {
   logger.info(
-    { host: config.HOST, port: config.PORT },
+    {
+      host: config.HOST,
+      port: config.PORT,
+      ready: true,
+      warmedUp: true,
+    },
     "TJWaterAgent listening",
   );
 });
@@ -529,7 +538,7 @@ const shutdown = async () => {
   logger.info("shutting down TJWaterAgent");
   server.close();
   resultReferenceStore.stopCleanupLoop();
-  // 同步关闭 embedded OpenCode V2 service，避免本服务退出后留下孤儿进程。
+  // 同步关闭 embedded opencode server，避免本服务退出后留下孤儿进程。
   await opencodeRuntime.dispose();
 };