补充 Agent HTTP 停止链路回归

验证客户端断开会 drop Axum handler 并释放会话锁

验证 Pingora 将下游断开传播到 api-server 上游

scripts/check-pingora-gateway-smoke.mjs

@@ -383,6 +383,8 @@ async function startApiMock() {
   const state = {
     requests: [],
     releaseHold: undefined,
+    releaseAbortHold: undefined,
+    closedBeforeResponse: [],
   };
   const server = http.createServer(async (request, response) => {
     let body;
@@ -406,11 +408,20 @@ async function startApiMock() {
       headers: request.headers,
       body,
     });
+    response.on('close', () => {
+      if (!response.writableEnded) {
+        state.closedBeforeResponse.push(request.url || '');
+      }
+    });
 
     if (request.url?.endsWith('/hold')) {
       await new Promise((resolve) => {
         state.releaseHold = resolve;
       });
+    } else if (request.url?.endsWith('/abort-hold')) {
+      await new Promise((resolve) => {
+        state.releaseAbortHold = resolve;
+      });
     } else if (request.url?.endsWith('/upstream-close')) {
       request.socket.destroy();
       return;
@@ -1006,6 +1017,7 @@ async function runSmokeCases(
   await expectChunkedLimit(baseUrl, '/api/upload');
 
   await expectConcurrencyLimit(baseUrl, api);
+  await expectDownstreamAbortCancelsUpstream(baseUrl, api);
 
   const rateLimitHeaders = { 'X-Forwarded-For': '203.0.113.13' };
   const beforeRateLimitRequestCount = api.state.requests.length;
@@ -1695,6 +1707,27 @@ async function expectConcurrencyLimit(baseUrl, api) {
   }
 }
 
+async function expectDownstreamAbortCancelsUpstream(baseUrl, api) {
+  console.log('[pingora-gateway-smoke] 下游中断传播到 API 上游');
+  const route = '/api/abort-hold';
+  const hold = await openRawHttpRequest(`${baseUrl}${route}`, {
+    'X-Forwarded-For': '203.0.113.16',
+  });
+
+  try {
+    await waitForCondition(
+      () => typeof api.state.releaseAbortHold === 'function',
+    );
+    hold.socket.destroy();
+    await hold.done.catch(() => undefined);
+    await waitForCondition(() =>
+      api.state.closedBeforeResponse.includes(route),
+    );
+  } finally {
+    api.state.releaseAbortHold?.();
+  }
+}
+
 async function expectWebSocketUpgrade(baseUrl, route, spacetime) {
   console.log('[pingora-gateway-smoke] SpacetimeDB WebSocket Upgrade');
   const url = new URL(route, baseUrl);