fix: align AgentRun reuse assertions with spec

internal/cloud/access-control.ts

@@ -2689,12 +2689,17 @@ function redactAgentRunSummary(value) {
     runStatus: textOr(agentRun.runStatus, ""),
     commandState: textOr(agentRun.commandState, ""),
     terminalStatus: textOr(agentRun.terminalStatus, ""),
+    runnerJobCount: numberOrNull(agentRun.runnerJobCount),
     lastSeq: numberOrNull(agentRun.lastSeq),
     eventStartSeq: numberOrNull(agentRun.eventStartSeq ?? agentRun.commandStartSeq ?? agentRun.startSeq),
     sessionId: textOr(agentRun.sessionId, ""),
     conversationId: textOr(agentRun.conversationId, ""),
     threadId: textOr(agentRun.threadId, ""),
     traceId: textOr(agentRun.traceId, ""),
+    reused: typeof agentRun.reused === "boolean" ? agentRun.reused : undefined,
+    runnerReused: typeof agentRun.runnerReused === "boolean" ? agentRun.runnerReused : undefined,
+    threadReused: typeof agentRun.threadReused === "boolean" ? agentRun.threadReused : undefined,
+    persistentResume: typeof agentRun.persistentResume === "boolean" ? agentRun.persistentResume : undefined,
     reuseEligible: typeof agentRun.reuseEligible === "boolean" ? agentRun.reuseEligible : undefined
   });
 }

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

@@ -448,7 +448,7 @@ export async function syncAgentRunChatResult({ traceId, currentResult = null, op
     timeoutMs,
     env
   });
-  const nextMapping = {
+  const nextMapping = withAgentRunRunnerJobCount({
     ...mapped.agentRun,
     ...agentRunResultRefs(result),
     lastSeq: eventsResponse ? agentRunTraceCursorSeq(eventsResponse, mapped.agentRun.lastSeq) : mapped.agentRun.lastSeq,
@@ -458,7 +458,7 @@ export async function syncAgentRunChatResult({ traceId, currentResult = null, op
     terminalStatus: result?.terminalStatus ?? mapped.agentRun.terminalStatus ?? null,
     updatedAt: nowIso(options.now),
     valuesPrinted: false
-  };
+  });
   const base = { ...mapped, agentRun: nextMapping, updatedAt: nowIso(options.now) };
   const payload = agentRunResultToCodeAgentPayload({ base, result, traceStore, traceId, appendResultEvent });
   options.codeAgentChatResults?.set?.(traceId, payload);
@@ -2065,6 +2065,17 @@ function agentRunResultRefs(result = {}) {
   return refs;
 }
 
+function withAgentRunRunnerJobCount(mapping = {}) {
+  if (!mapping || typeof mapping !== "object") return mapping;
+  const count = Number(mapping.runnerJobCount);
+  if (Number.isFinite(count) && count >= 0) return mapping;
+  const runnerJobEnsured = mapping.reused === true || mapping.status === "runner-job-ensured";
+  if (runnerJobEnsured && (mapping.runnerJobId || mapping.jobName || mapping.attemptId || mapping.runnerId)) {
+    return { ...mapping, runnerJobCount: 1 };
+  }
+  return mapping;
+}
+
 function hwlabSessionIdForParams(params = {}, traceId) {
   return safeSessionId(params.sessionId) || agentRunSessionId(traceId);
 }

internal/cloud/server-agent-chat.test.ts

@@ -538,7 +538,12 @@ test("cloud api /v1/agent/chat delegates v0.2 turns to AgentRun v0.1 over adapte
           deferredOwnerRecordStarted = true;
           await new Promise<void>((resolve) => { releaseOwnerRecord = resolve; });
         }
-        const record = testAgentSessionRecord(input);
+        const existing = ownerSessions.get(input.sessionId ?? input.id);
+        const record = testAgentSessionRecord({
+          ...existing,
+          ...input,
+          session: { ...(existing?.session ?? {}), ...(input.session ?? {}) }
+        });
         ownerSessions.set(record.id, record);
         return record;
       },
@@ -902,7 +907,12 @@ test("cloud api AgentRun adapter reports persistent thread resume when a complet
         return { ok: true, actor: TEST_AGENT_ACTOR, session: TEST_AUTH_SESSION };
       },
       async recordAgentSessionOwner(input) {
-        const record = testAgentSessionRecord(input);
+        const existing = ownerSessions.get(input.sessionId ?? input.id);
+        const record = testAgentSessionRecord({
+          ...existing,
+          ...input,
+          session: { ...(existing?.session ?? {}), ...(input.session ?? {}) }
+        });
         ownerSessions.set(record.id, record);
         return record;
       },