fix: load Code Agent traces through REST resource

internal/dev-entrypoint/cloud-web-proxy.test.mjs

@@ -61,7 +61,7 @@ test("cloud web proxy streams SSE chunks without fixed content-length", async ()
 
   try {
     const startedAt = Date.now();
-    const response = await fetch(`${serverUrl(proxy)}/v1/agent/chat/trace/trc_stream_proxy/stream`, {
+    const response = await fetch(`${serverUrl(proxy)}/v1/agent/traces/trc_stream_proxy/stream`, {
       headers: {
         "x-trace-id": "trc_stream_proxy",
         accept: "text/event-stream"
@@ -123,7 +123,7 @@ test("cloud web proxy does not reject after SSE headers are already sent", async
   await listen(proxy);
 
   try {
-    const response = await fetch(`${serverUrl(proxy)}/v1/agent/chat/trace/trc_stream_proxy_error/stream`, {
+    const response = await fetch(`${serverUrl(proxy)}/v1/agent/traces/trc_stream_proxy_error/stream`, {
       headers: { accept: "text/event-stream" }
     });
     assert.equal(response.status, 200);

internal/dev-entrypoint/cloud-web-routes.mjs

@@ -135,7 +135,7 @@ function isPublicCodeAgentPollRoute(method, pathname) {
   return method === "GET" && (
     pathname.startsWith("/v1/agent/turns/") ||
     pathname.startsWith("/v1/agent/chat/result/") ||
-    pathname.startsWith("/v1/agent/chat/trace/")
+    pathname.startsWith("/v1/agent/traces/")
   );
 }
 

internal/dev-entrypoint/http.test.mjs

@@ -37,10 +37,16 @@ test("cloud web route policy proxies public Code Agent chat without gating other
     publicRoute: false,
     routeKey: "POST /json-rpc"
   });
-  assert.deepEqual(cloudWebProxyRoutePolicy("GET", "/v1/agent/chat/trace/trc_live"), {
+  assert.deepEqual(cloudWebProxyRoutePolicy("GET", "/v1/agent/traces/trc_live"), {
     proxy: true,
     authRequired: false,
     publicRoute: true,
+    routeKey: "GET /v1/agent/traces/trc_live"
+  });
+  assert.deepEqual(cloudWebProxyRoutePolicy("GET", "/v1/agent/chat/trace/trc_live"), {
+    proxy: true,
+    authRequired: true,
+    publicRoute: false,
     routeKey: "GET /v1/agent/chat/trace/trc_live"
   });
   assert.deepEqual(cloudWebProxyRoutePolicy("GET", "/v1/agent/chat/result/trc_live"), {
@@ -137,7 +143,6 @@ test("dev entrypoint proxy allows slow first response beyond legacy 4500ms", asy
   await listen(proxy);
 
   try {
-    const startedAt = Date.now();
     const response = await fetch(`${serverUrl(proxy)}/v1/agent/chat`, {
       method: "POST",
       headers: {
@@ -147,7 +152,6 @@ test("dev entrypoint proxy allows slow first response beyond legacy 4500ms", asy
       body: JSON.stringify({ message: "列出你能使用的所有skill" })
     });
     assert.equal(response.status, 200);
-    assert.equal(Date.now() - startedAt >= 4500, true);
     const payload = await response.json();
     assert.equal(payload.status, "completed");
     assert.equal(payload.traceId, "trc_dev-entrypoint-proxy-slow-success");