feat: add profile ui and request telemetry

scripts/test-gateway-e2e.mjs

@@ -287,7 +287,14 @@ async function run() {
   const gateway = startGateway(configPath, logPath);
 
   try {
-    await waitForHealth(`http://127.0.0.1:${gatewayPort}${config.health_path}`);
+    try {
+      await waitForHealth(`http://127.0.0.1:${gatewayPort}${config.health_path}`);
+    } catch (error) {
+      const output = gateway.getOutput();
+      throw new Error(
+        `${error?.message || error}\nstdout:\n${output.stdout || "(empty)"}\nstderr:\n${output.stderr || "(empty)"}`,
+      );
+    }
 
     const modelsResponse = await fetch(`http://127.0.0.1:${gatewayPort}/v1/models`);
     assert(modelsResponse.status === 200, `/v1/models 透传状态异常: ${modelsResponse.status}`);
@@ -323,15 +330,25 @@ async function run() {
       );
     }
 
+    const recoveredPayload = JSON.stringify({ test_fail_before_response_once: true });
     const recoveredResponse = await fetch(`http://127.0.0.1:${gatewayPort}/responses`, {
       method: "POST",
       headers: { "content-type": "application/json" },
-      body: JSON.stringify({ test_fail_before_response_once: true }),
+      body: recoveredPayload,
     });
     const recoveredBody = await recoveredResponse.json();
     assert(recoveredResponse.status === 200, `首次 fetch failed 后未自动恢复: ${recoveredResponse.status}`);
     assert(recoveredBody?.retry_attempt === 2, "首次 fetch failed 后未命中第二次上游请求");
 
+    const requestsResponse = await fetch(`http://127.0.0.1:${gatewayPort}/__codex_retry_gateway/api/requests?limit=20`);
+    const requestsPayload = await requestsResponse.json();
+    const recoveredEntry = requestsPayload?.entries?.find((entry) => entry.path === "/responses" && entry.status_code === 200);
+    assert(requestsResponse.status === 200, `请求历史 API 状态异常: ${requestsResponse.status}`);
+    assert(
+      recoveredEntry?.request_body_bytes === Buffer.byteLength(recoveredPayload),
+      `请求体大小记录异常: ${recoveredEntry?.request_body_bytes}`,
+    );
+
     for (const streamPath of [
       "/responses",
       "/v1/responses",