fix: preserve sealed AgentRun cancel result (#2095)

internal/cloud/code-agent-agentrun-adapter.ts

@@ -706,7 +706,15 @@ function isAgentRunCommandAlreadyClaimed(error) {
 
 export async function syncAgentRunChatResult({ traceId, currentResult = null, options = {}, traceStore = defaultCodeAgentTraceStore, appendResultEvent = true, refreshEvents = true, forceResultSync = false }) {
   const initial = currentResult ?? await loadPersistedAgentRunResult(traceId, options);
+  if (isAgentRunUserCancelSealed(initial)) {
+    const runnerTrace = initial.runnerTrace ?? traceStore.snapshot(traceId);
+    return { result: initial, runnerTrace, found: true, eventsRefreshed: false, resultSynced: false, terminalRefreshSkipped: true, localCancelSealed: true };
+  }
   const mapped = initial ? await resolveAgentRunTraceCommandMapping({ traceId, mapped: initial, options }) : initial;
+  if (isAgentRunUserCancelSealed(mapped)) {
+    const runnerTrace = mapped.runnerTrace ?? traceStore.snapshot(traceId);
+    return { result: mapped, runnerTrace, found: true, eventsRefreshed: false, resultSynced: false, terminalRefreshSkipped: true, localCancelSealed: true };
+  }
   const performanceStore = options.backendPerformanceStore ?? currentBackendPerformanceContext();
   if (!forceResultSync && options.skipAgentRunTerminalRefreshIfComplete === true && agentRunTerminalResultRefreshSatisfied(mapped, traceId)) {
     const runnerTrace = mapped.runnerTrace ?? traceStore.snapshot(traceId);
@@ -882,6 +890,14 @@ function normalizeAgentRunStatus(value) {
   return status === "cancelled" ? "canceled" : status;
 }
 
+function isAgentRunUserCancelSealed(payload = null) {
+  if (!payload || typeof payload !== "object") return false;
+  const status = normalizeAgentRunStatus(payload.status);
+  const cancelStatus = normalizeAgentRunStatus(payload.cancelStatus ?? payload.cancelDisposition?.status);
+  const terminalStatus = normalizeAgentRunStatus(payload.agentRun?.terminalStatus ?? payload.agentRun?.commandState ?? payload.agentRun?.status);
+  return payload.canceled === true || status === "canceled" || cancelStatus === "canceled" || terminalStatus === "canceled";
+}
+
 async function resolveAgentRunTraceCommandMapping({ traceId, mapped, options = {} }) {
   const safeId = safeTraceId(traceId);
   const agentRun = mapped?.agentRun && typeof mapped.agentRun === "object" ? mapped.agentRun : null;

internal/cloud/code-agent-agentrun-cancel.test.ts

@@ -4,7 +4,7 @@
 import assert from "node:assert/strict";
 import { test } from "bun:test";
 
-import { cancelAgentRunChatTurn } from "./code-agent-agentrun-adapter.ts";
+import { cancelAgentRunChatTurn, syncAgentRunChatResult } from "./code-agent-agentrun-adapter.ts";
 import { createCodeAgentTraceStore } from "./code-agent-trace-store.ts";
 
 test("AgentRun cancel downstream failure returns visible blocked disposition instead of throwing", async () => {
@@ -54,3 +54,44 @@ test("AgentRun cancel downstream failure returns visible blocked disposition ins
   assert.equal(codeAgentChatResults.get(traceId)?.cancelDisposition?.code, "command_not_cancelable");
   assert.ok(traceStore.snapshot(traceId).events.some((event) => event.label === "agentrun:cancel:blocked" && event.status === "blocked"));
 });
+
+test("AgentRun result sync preserves a user-canceled payload instead of accepting late completed result", async () => {
+  const traceId = "trc_cancel_sealed_result";
+  const traceStore = createCodeAgentTraceStore();
+  const currentResult = {
+    traceId,
+    status: "canceled",
+    canceled: true,
+    cancelStatus: "canceled",
+    cancelDisposition: { status: "canceled", forwarded: true, terminal: true, traceId, valuesPrinted: false },
+    finalResponse: { text: "hwlab-user-cancel", status: "canceled", traceId, valuesPrinted: false },
+    agentRun: {
+      runId: "run_cancel_sealed_result",
+      commandId: "cmd_cancel_sealed_result",
+      managerUrl: "http://127.0.0.1:65535",
+      status: "cancelled",
+      commandState: "cancelled",
+      terminalStatus: "cancelled",
+      traceId,
+      valuesPrinted: false
+    },
+    valuesPrinted: false
+  };
+
+  const synced = await syncAgentRunChatResult({
+    traceId,
+    currentResult,
+    traceStore,
+    options: {
+      env: { HWLAB_CODE_AGENT_AGENTRUN_ALLOW_NON_K3S_URL: "1" },
+      fetchImpl() {
+        throw new Error("late AgentRun result must not be fetched after HWLAB user cancel is sealed");
+      }
+    }
+  });
+
+  assert.equal(synced.localCancelSealed, true);
+  assert.equal(synced.resultSynced, false);
+  assert.equal(synced.result.status, "canceled");
+  assert.equal(synced.result.finalResponse.text, "hwlab-user-cancel");
+});