feat: integrate ContextScheduler into main loop (issue #89)

Wire up periodic context rollups (weekly/monthly/quarterly/annual/legacy)
in both daily and realtime trading loops with dedup-safe scheduling.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/main.py

@@ -22,6 +22,7 @@ from src.broker.overseas import OverseasBroker
 from src.config import Settings
 from src.context.aggregator import ContextAggregator
 from src.context.layer import ContextLayer
+from src.context.scheduler import ContextScheduler
 from src.context.store import ContextStore
 from src.core.criticality import CriticalityAssessor
 from src.core.priority_queue import PriorityTaskQueue
@@ -772,6 +773,35 @@ async def _handle_market_close(
     )
 
 
+def _run_context_scheduler(
+    scheduler: ContextScheduler, now: datetime | None = None,
+) -> None:
+    """Run periodic context scheduler tasks and log when anything executes."""
+    result = scheduler.run_if_due(now=now)
+    if any(
+        [
+            result.weekly,
+            result.monthly,
+            result.quarterly,
+            result.annual,
+            result.legacy,
+            result.cleanup,
+        ]
+    ):
+        logger.info(
+            (
+                "Context scheduler ran (weekly=%s, monthly=%s, quarterly=%s, "
+                "annual=%s, legacy=%s, cleanup=%s)"
+            ),
+            result.weekly,
+            result.monthly,
+            result.quarterly,
+            result.annual,
+            result.legacy,
+            result.cleanup,
+        )
+
+
 async def run(settings: Settings) -> None:
     """Main async loop — iterate over open markets on a timer."""
     broker = KISBroker(settings)
@@ -782,6 +812,10 @@ async def run(settings: Settings) -> None:
     decision_logger = DecisionLogger(db_conn)
     context_store = ContextStore(db_conn)
     context_aggregator = ContextAggregator(db_conn)
+    context_scheduler = ContextScheduler(
+        aggregator=context_aggregator,
+        store=context_store,
+    )
 
     # V2 proactive strategy components
     context_selector = ContextSelector(context_store)
@@ -1015,6 +1049,7 @@ async def run(settings: Settings) -> None:
             while not shutdown.is_set():
                 # Wait for trading to be unpaused
                 await pause_trading.wait()
+                _run_context_scheduler(context_scheduler, now=datetime.now(UTC))
 
                 try:
                     await run_daily_session(
@@ -1053,6 +1088,7 @@ async def run(settings: Settings) -> None:
             while not shutdown.is_set():
                 # Wait for trading to be unpaused
                 await pause_trading.wait()
+                _run_context_scheduler(context_scheduler, now=datetime.now(UTC))
 
                 # Get currently open markets
                 open_markets = get_open_markets(settings.enabled_market_list)