feat: APScheduler entry point — 5-job weekly cadence (Pacific)

Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>

backend/app/scheduler/__main__.py

@@ -0,0 +1,68 @@
+"""
+APScheduler entry point for the scheduler container.
+
+Run: python -m app.scheduler
+
+Weekly cadence (America/Los_Angeles):
+  Fri 02:00 — scrape   (Lucky weekend prices live by ~midnight)
+  Fri 05:00 — generate (fresh grocery data)
+  Fri 06:00 — email    (per-voter approval links)
+  Fri 17:00 — deadline (pending items resolved per family policy)
+  Fri 18:00 — finalize (shopping-list email)
+"""
+import logging
+
+from apscheduler.schedulers.blocking import BlockingScheduler
+from apscheduler.triggers.cron import CronTrigger
+
+from app.services.orchestrator.runner import run_step
+
+logging.basicConfig(
+    level="INFO",
+    format="%(asctime)s %(levelname)s %(name)s %(message)s",
+)
+logger = logging.getLogger(__name__)
+
+TZ = "America/Los_Angeles"
+
+scheduler = BlockingScheduler(timezone=TZ)
+
+scheduler.add_job(
+    lambda: run_step("scrape"),
+    CronTrigger(day_of_week="fri", hour=2, minute=0, timezone=TZ),
+    id="weekly_scrape",
+    name="Weekly scrape (Fri 02:00 PT)",
+)
+scheduler.add_job(
+    lambda: run_step("generate"),
+    CronTrigger(day_of_week="fri", hour=5, minute=0, timezone=TZ),
+    id="weekly_generate",
+    name="Weekly generate (Fri 05:00 PT)",
+)
+scheduler.add_job(
+    lambda: run_step("email"),
+    CronTrigger(day_of_week="fri", hour=6, minute=0, timezone=TZ),
+    id="weekly_email",
+    name="Weekly email (Fri 06:00 PT)",
+)
+scheduler.add_job(
+    lambda: run_step("deadline"),
+    CronTrigger(day_of_week="fri", hour=17, minute=0, timezone=TZ),
+    id="weekly_deadline",
+    name="Weekly deadline (Fri 17:00 PT)",
+)
+scheduler.add_job(
+    lambda: run_step("finalize"),
+    CronTrigger(day_of_week="fri", hour=18, minute=0, timezone=TZ),
+    id="weekly_finalize",
+    name="Weekly finalize (Fri 18:00 PT)",
+)
+
+if __name__ == "__main__":
+    logger.info("Starting MealPlanner scheduler (tz=%s)", TZ)
+    for job in scheduler.get_jobs():
+        logger.info("  Registered: %s", job.name)
+    try:
+        scheduler.start()
+    except (KeyboardInterrupt, SystemExit):
+        logger.info("Scheduler stopped")