feat: sync codex thread goals

tests/fixtures/codex-app-server-runtime.mjs

@@ -671,6 +671,26 @@ rl.on("line", (line) => {
     return;
   }
 
+  if (message.method === "thread/goal/set") {
+    send({
+      id: message.id,
+      result: {},
+    });
+    send({
+      method: "thread/goal/updated",
+      params: {
+        threadId: message.params?.threadId,
+        goal: {
+          objective: message.params?.objective,
+          status: message.params?.status,
+          tokenBudget: message.params?.tokenBudget,
+          internalGoalSecret: "thread-goal-secret-should-not-leak",
+        },
+      },
+    });
+    return;
+  }
+
   if (message.method === "thread/read") {
     send({
       id: message.id,