feat: auto-bootstrap macro + eco events on startup

Both bootstrap_macro_events() and bootstrap_eco_events() are now called
in the FastAPI startup event. Idempotent — skips already-existing events.
Logs how many events were inserted on first run.

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

backend/main.py

@@ -78,6 +78,16 @@ def startup():
     from services.geo_analyzer import GEO_PATTERNS
     from services.database import seed_builtin_patterns
     seed_builtin_patterns(GEO_PATTERNS)
+    # Bootstrap historical market events (macro/geopolitical + economic calendar)
+    try:
+        from services.macro_events_bootstrap import bootstrap_macro_events
+        from services.eco_calendar_bootstrap import bootstrap_eco_events
+        r1 = bootstrap_macro_events()
+        r2 = bootstrap_eco_events()
+        if r1.get("inserted", 0) or r2.get("inserted", 0):
+            _log.info(f"[Startup] Events bootstrapped — macro: +{r1.get('inserted',0)}, eco: +{r2.get('inserted',0)}")
+    except Exception as _e:
+        _log.warning(f"[Startup] Event bootstrap failed: {_e}")
     # Start auto-cycle scheduler if enabled
     from services.auto_cycle import start_scheduler
     start_scheduler()