fix: 收敛 commander supervisor 噪声

src/mgr/result.ts

@@ -97,7 +97,8 @@ function livenessSnapshot(run: RunRecord, command: CommandRecord | null, events:
   const active = terminal === null && !runIsTerminal(run) && !commandIsTerminal(command);
   const lastEvent = events.at(-1) ?? null;
   const lastVisibleActivity = latestVisibleActivity(scopedEvents);
-  const lastCommandActivity = lastVisibleActivity ?? latestLivenessActivity(scopedEvents);
+  const lastBusinessActivity = latestBusinessActivity(scopedEvents);
+  const lastCommandActivity = lastBusinessActivity ?? latestLivenessActivity(scopedEvents);
   const lease = leaseSummary(run, nowMs);
   const transportDisconnect = latestTransportDisconnect(scopedEvents);
   const lastActivity = livenessActivitySummary(lastCommandActivity, nowMs);
@@ -193,6 +194,10 @@ function latestVisibleActivity(events: RunEvent[]): RunEvent | null {
   return [...events].reverse().find((event) => event.type === "assistant_message" || event.type === "tool_call" || event.type === "command_output" || event.type === "diff" || event.type === "error" || event.type === "terminal_status") ?? null;
 }
 
+function latestBusinessActivity(events: RunEvent[]): RunEvent | null {
+  return [...events].reverse().find((event) => event.type === "assistant_message" || event.type === "tool_call" || event.type === "command_output" || event.type === "diff") ?? null;
+}
+
 function isLivenessActivityEvent(event: RunEvent): boolean {
   if (event.type === "assistant_message" || event.type === "tool_call" || event.type === "command_output" || event.type === "diff" || event.type === "error" || event.type === "terminal_status") return true;
   if (event.type !== "backend_status") return false;

src/selftest/cases/55-timeout-liveness.ts

@@ -65,6 +65,7 @@ const selfTest: SelfTestCase = async (context: SelfTestContext) => {
     const summaryItem = ((commanderSummary.items as JsonRecord[]) ?? []).find((item) => item.id === task.id) as JsonRecord;
     assert.equal(((summaryItem.supervisor as JsonRecord).phase), "terminal");
     assert.equal(JSON.stringify(commanderSummary).includes("hwpod workspace apply-patch"), false, "commander summary must stay compact and avoid dumping command bodies");
+    assert.equal(JSON.stringify(summaryItem.supervisor).includes("fullRecordBytes"), false, "commander supervisor must not add bookkeeping noise");
     assertNoSecretLeak({ toolResult, assistantLive, inactiveLive, terminalResult, session, commanderSummary });
 
     return { name: "timeout-liveness", tests: ["tool-in-flight-liveness", "assistant-progress-liveness", "stdio-inactive-timeout-budget", "terminal-timeout-recovery", "queue-commander-supervisor"] };