refactor(reply): split abort cutoff and timeout policy modules

src/cron/service/timeout-policy.ts

@@ -0,0 +1,25 @@
+import type { CronJob } from "../types.js";
+
+/**
+ * Maximum wall-clock time for a single job execution. Acts as a safety net
+ * on top of per-provider/per-agent timeouts to prevent one stuck job from
+ * wedging the entire cron lane.
+ */
+export const DEFAULT_JOB_TIMEOUT_MS = 10 * 60_000; // 10 minutes
+
+/**
+ * Agent turns can legitimately run much longer than generic cron jobs.
+ * Use a larger safety ceiling when no explicit timeout is set.
+ */
+export const AGENT_TURN_SAFETY_TIMEOUT_MS = 60 * 60_000; // 60 minutes
+
+export function resolveCronJobTimeoutMs(job: CronJob): number | undefined {
+  const configuredTimeoutMs =
+    job.payload.kind === "agentTurn" && typeof job.payload.timeoutSeconds === "number"
+      ? Math.floor(job.payload.timeoutSeconds * 1_000)
+      : undefined;
+  if (configuredTimeoutMs === undefined) {
+    return job.payload.kind === "agentTurn" ? AGENT_TURN_SAFETY_TIMEOUT_MS : DEFAULT_JOB_TIMEOUT_MS;
+  }
+  return configuredTimeoutMs <= 0 ? undefined : configuredTimeoutMs;
+}