diff --git a/package.json b/package.json
index 618c3c63..d08f60ce 100644
--- a/package.json
+++ b/package.json
@@ -15,6 +15,8 @@
     "l2:smoke": "node scripts/l2-runtime-contract-smoke.mjs",
     "dev:evidence": "node scripts/dev-evidence-blocker-aggregator.mjs --pretty",
     "dev:evidence:check": "node scripts/dev-evidence-blocker-aggregator.mjs --check",
+    "dev:issue-722:trace-integration": "node scripts/run-bun.mjs scripts/dev-issue-722-trace-integration.mjs",
+    "dev:issue-722:streaming-integration": "node scripts/run-bun.mjs scripts/dev-issue-722-streaming-integration.mjs",
     "report:lifecycle": "node scripts/report-lifecycle.mjs",
     "dev-edge:smoke": "node scripts/dev-edge-health-smoke.mjs",
     "deploy:contract:plan": "node scripts/run-bun.mjs scripts/deploy-contract-plan.mjs --pretty",
diff --git a/scripts/dev-issue-722-streaming-integration.mjs b/scripts/dev-issue-722-streaming-integration.mjs
new file mode 100644
index 00000000..6b95fe0d
--- /dev/null
+++ b/scripts/dev-issue-722-streaming-integration.mjs
@@ -0,0 +1,36 @@
+import { runHwlabCli } from "../tools/src/hwlab-cli-lib.ts";
+
+const streamingText = "streaming ".repeat(2000);
+
+const result = await runHwlabCli(["client", "agent", "trace", "trc_stream_722", "--base-url", "http://web.test", "--cookie", "hwlab_session=session-a", "--render", "web", "--full"], {
+  fetchImpl: async () => new Response(JSON.stringify({
+    status: "completed",
+    traceId: "trc_stream_722",
+    events: [
+      { traceId: "trc_stream_722", seq: 1, label: "request:accepted", status: "accepted", createdAt: "2026-06-02T15:00:00.000Z", promptSummary: "请继续" },
+      { traceId: "trc_stream_722", seq: 2, label: "assistant:item_completed", type: "assistant_message", status: "completed", itemId: "msg_streaming", createdAt: "2026-06-02T15:00:01.000Z", message: streamingText },
+      { traceId: "trc_stream_722", seq: 3, label: "assistant:completed", type: "assistant_message", terminal: true, status: "completed", itemId: "assistant-final", createdAt: "2026-06-02T15:00:02.000Z", message: "完成" }
+    ],
+    assistantStreams: [{ itemId: "msg_streaming", text: streamingText, chunkCount: 1 }, { itemId: "assistant-final", text: "完成", chunkCount: 1 }]
+  }), { status: 200 })
+});
+
+const body = result.payload.body;
+const streamingRow = (body.rows ?? []).find((r) => r.rowId === "event:2");
+const terminalRow = (body.rows ?? []).find((r) => r.terminal === true);
+console.log("CLI exitCode:", result.exitCode);
+console.log("CLI streaming row terminal flag:", streamingRow?.terminal);
+console.log("CLI streaming row body length:", streamingRow?.body?.length);
+console.log("CLI streaming row has ... marker:", streamingRow?.body?.endsWith("..."));
+console.log("CLI terminal row body length:", terminalRow?.body?.length);
+console.log("CLI terminal row body === final response text:", terminalRow?.body === "完成");
+
+const streamingOk = streamingRow?.body && streamingRow.body.endsWith("...") && streamingRow.body.length <= 1203;
+const terminalOk = terminalRow?.body === "完成";
+if (streamingOk && terminalOk) {
+  console.log(`\nPASS: streaming row CLI preview capped at ${streamingRow.body.length} chars; terminal row keeps full text`);
+  process.exit(0);
+} else {
+  console.log(`\nFAIL: streamingOk=${streamingOk} terminalOk=${terminalOk}`);
+  process.exit(1);
+}
diff --git a/scripts/dev-issue-722-trace-integration.mjs b/scripts/dev-issue-722-trace-integration.mjs
new file mode 100644
index 00000000..7dafc8fc
--- /dev/null
+++ b/scripts/dev-issue-722-trace-integration.mjs
@@ -0,0 +1,33 @@
+import { runHwlabCli } from "../tools/src/hwlab-cli-lib.ts";
+
+const longFinalResponse = `下面是北京时间 2026-06-02 的开发进展总结。三个仓库共 67 个 PR：HWLAB 39 个（全部已合）、AgentRun 27 个已合 + 1 个 OPEN、unidesk 今天没有 PR。功能开发：HWLAB v0.2 Code Agent 接入 AgentRun v0.1 调度。` + "x".repeat(4000) + " 完。";
+
+const result = await runHwlabCli(["client", "agent", "trace", "trc_issue_722", "--base-url", "http://web.test", "--cookie", "hwlab_session=session-a", "--render", "web", "--full"], {
+  fetchImpl: async () => new Response(JSON.stringify({
+    status: "completed",
+    traceId: "trc_issue_722",
+    events: [
+      { traceId: "trc_issue_722", seq: 1, label: "request:accepted", status: "accepted", createdAt: "2026-06-02T15:09:01.000Z", promptSummary: "总结" },
+      { traceId: "trc_issue_722", seq: 6, label: "assistant:completed", type: "assistant_message", terminal: true, status: "completed", itemId: "assistant-final", createdAt: "2026-06-02T15:15:40.000Z", message: longFinalResponse }
+    ],
+    assistantStreams: [{ itemId: "assistant-final", text: longFinalResponse, chunkCount: 12 }]
+  }), { status: 200 })
+});
+
+const body = result.payload.body;
+const terminalRow = (body.rows ?? []).find((r) => r.terminal === true);
+console.log("CLI exitCode:", result.exitCode);
+console.log("CLI render:", body?.render);
+console.log("CLI body.assistantText length:", body?.assistantText?.length);
+console.log("CLI terminal row body length:", terminalRow?.body?.length);
+console.log("CLI terminal row body === full text:", terminalRow?.body === longFinalResponse);
+console.log("CLI terminal row body has trunc marker:", terminalRow?.body?.includes("内容已截断"));
+const expected = longFinalResponse.length;
+const actual = terminalRow?.body?.length ?? 0;
+if (actual === expected && !terminalRow.body.includes("内容已截断")) {
+  console.log(`\nPASS: terminal final-response body keeps full ${expected} chars (CLI integration)`);
+  process.exit(0);
+} else {
+  console.log(`\nFAIL: terminal body length ${actual} != expected ${expected}`);
+  process.exit(1);
+}