fix(heartbeat): honor heartbeat.model config for heartbeat turns (#14103)

Merged via /review-pr -> /prepare-pr -> /merge-pr.

Prepared head SHA: f46080b0ad
Co-authored-by: shtse8 <8020099+shtse8@users.noreply.github.com>
Co-authored-by: gumadeiras <5599352+gumadeiras@users.noreply.github.com>
Reviewed-by: @gumadeiras

src/infra/heartbeat-active-hours.ts

@@ -0,0 +1,99 @@
+import type { OpenClawConfig } from "../config/config.js";
+import type { AgentDefaultsConfig } from "../config/types.agent-defaults.js";
+import { resolveUserTimezone } from "../agents/date-time.js";
+
+type HeartbeatConfig = AgentDefaultsConfig["heartbeat"];
+
+const ACTIVE_HOURS_TIME_PATTERN = /^([01]\d|2[0-3]|24):([0-5]\d)$/;
+
+function resolveActiveHoursTimezone(cfg: OpenClawConfig, raw?: string): string {
+  const trimmed = raw?.trim();
+  if (!trimmed || trimmed === "user") {
+    return resolveUserTimezone(cfg.agents?.defaults?.userTimezone);
+  }
+  if (trimmed === "local") {
+    const host = Intl.DateTimeFormat().resolvedOptions().timeZone;
+    return host?.trim() || "UTC";
+  }
+  try {
+    new Intl.DateTimeFormat("en-US", { timeZone: trimmed }).format(new Date());
+    return trimmed;
+  } catch {
+    return resolveUserTimezone(cfg.agents?.defaults?.userTimezone);
+  }
+}
+
+function parseActiveHoursTime(opts: { allow24: boolean }, raw?: string): number | null {
+  if (!raw || !ACTIVE_HOURS_TIME_PATTERN.test(raw)) {
+    return null;
+  }
+  const [hourStr, minuteStr] = raw.split(":");
+  const hour = Number(hourStr);
+  const minute = Number(minuteStr);
+  if (!Number.isFinite(hour) || !Number.isFinite(minute)) {
+    return null;
+  }
+  if (hour === 24) {
+    if (!opts.allow24 || minute !== 0) {
+      return null;
+    }
+    return 24 * 60;
+  }
+  return hour * 60 + minute;
+}
+
+function resolveMinutesInTimeZone(nowMs: number, timeZone: string): number | null {
+  try {
+    const parts = new Intl.DateTimeFormat("en-US", {
+      timeZone,
+      hour: "2-digit",
+      minute: "2-digit",
+      hourCycle: "h23",
+    }).formatToParts(new Date(nowMs));
+    const map: Record<string, string> = {};
+    for (const part of parts) {
+      if (part.type !== "literal") {
+        map[part.type] = part.value;
+      }
+    }
+    const hour = Number(map.hour);
+    const minute = Number(map.minute);
+    if (!Number.isFinite(hour) || !Number.isFinite(minute)) {
+      return null;
+    }
+    return hour * 60 + minute;
+  } catch {
+    return null;
+  }
+}
+
+export function isWithinActiveHours(
+  cfg: OpenClawConfig,
+  heartbeat?: HeartbeatConfig,
+  nowMs?: number,
+): boolean {
+  const active = heartbeat?.activeHours;
+  if (!active) {
+    return true;
+  }
+
+  const startMin = parseActiveHoursTime({ allow24: false }, active.start);
+  const endMin = parseActiveHoursTime({ allow24: true }, active.end);
+  if (startMin === null || endMin === null) {
+    return true;
+  }
+  if (startMin === endMin) {
+    return true;
+  }
+
+  const timeZone = resolveActiveHoursTimezone(cfg, active.timezone);
+  const currentMin = resolveMinutesInTimeZone(nowMs ?? Date.now(), timeZone);
+  if (currentMin === null) {
+    return true;
+  }
+
+  if (endMin > startMin) {
+    return currentMin >= startMin && currentMin < endMin;
+  }
+  return currentMin >= startMin || currentMin < endMin;
+}