Phase 7: audit memory

app/main.py

@@ -16,6 +16,33 @@ from app.api.middleware.sanitizer import SanitizerMiddleware
 from app.config.settings import settings
 
 
+async def _memory_audit_cron_tick() -> None:
+    """Weekly cron: contradiction scan + label canonicalization for all users (Phase 7)."""
+    import logging  # noqa: PLC0415
+    _log = logging.getLogger(__name__)
+    _log.info("memory audit cron tick: starting")
+    try:
+        from app.db import async_session  # noqa: PLC0415
+        from app.core.memory_maintenance import audit_memory  # noqa: PLC0415
+        from app.models import User  # noqa: PLC0415
+        from sqlalchemy import select  # noqa: PLC0415
+
+        async with async_session() as db:
+            result = await db.execute(select(User.id))
+            user_ids: list[str] = list(result.scalars().all())
+
+        for uid in user_ids:
+            try:
+                async with async_session() as db:
+                    await audit_memory(db, uid)
+            except Exception as exc:
+                _log.warning("memory audit cron tick: audit_memory failed user=%s: %s", uid, exc)
+
+        _log.info("memory audit cron tick: done users=%d", len(user_ids))
+    except Exception as exc:
+        _log.warning("memory audit cron tick: failed: %s", exc)
+
+
 async def _memory_cron_tick() -> None:
     """Hourly cron: drain Free-tier extraction queue + mine proactive patterns for Power+ users."""
     import logging  # noqa: PLC0415
@@ -61,6 +88,7 @@ async def lifespan(app: FastAPI):
 
         scheduler = AsyncIOScheduler()
         scheduler.add_job(_memory_cron_tick, "interval", hours=1, id="memory_cron")
+        scheduler.add_job(_memory_audit_cron_tick, "interval", weeks=1, id="memory_audit_cron")
         scheduler.start()
         logging.getLogger(__name__).info("memory cron scheduler started (interval=1h)")