[crawler]

crawler_platform/app/core/scheduler/__init__.py

@@ -0,0 +1,2 @@
+"""Scheduling primitives for recrawls."""
+

crawler_platform/app/core/scheduler/update_policy.py

@@ -0,0 +1,11 @@
+from __future__ import annotations
+
+from datetime import datetime, timedelta, timezone
+
+
+def next_crawl_at(policy: dict[str, object] | None, now: datetime | None = None) -> datetime:
+    now = now or datetime.now(timezone.utc)
+    policy = policy or {}
+    interval_days = int(policy.get("interval_days", 7))
+    return now + timedelta(days=interval_days)
+