Upgrade mission-control UI with charts and live metrics API without impacting trading loop

app.py

@@ -33,6 +33,70 @@ def curate_now():
 def api_account():
     return JSONResponse(account_snapshot())
 
+@app.get("/api/metrics")
+def api_metrics(hours: int = 72):
+    db = SessionLocal()
+    try:
+        since = datetime.utcnow() - timedelta(hours=hours)
+        decs = db.query(BotDecision).filter(BotDecision.ts >= since).order_by(BotDecision.ts.asc()).all()
+        trades = db.query(TradeExecution).filter(TradeExecution.ts >= since).order_by(TradeExecution.ts.asc()).all()
+
+        # hour buckets
+        buckets = {}
+        for d in decs:
+            k = d.ts.strftime("%m-%d %H:00")
+            buckets.setdefault(k, {"buy": 0, "sell": 0, "hold": 0, "executed": 0, "failed": 0})
+            if d.action in ("buy", "sell", "hold"):
+                buckets[k][d.action] += 1
+            if d.status == "executed":
+                buckets[k]["executed"] += 1
+            if d.status == "failed":
+                buckets[k]["failed"] += 1
+
+        labels = list(buckets.keys())
+        buy = [buckets[k]["buy"] for k in labels]
+        sell = [buckets[k]["sell"] for k in labels]
+        hold = [buckets[k]["hold"] for k in labels]
+        executed = [buckets[k]["executed"] for k in labels]
+        failed = [buckets[k]["failed"] for k in labels]
+
+        # cumulative notional (proxy activity curve)
+        t_labels, t_values = [], []
+        c = 0.0
+        for t in trades:
+            c += float(t.notional or 0)
+            t_labels.append(t.ts.strftime("%m-%d %H:%M"))
+            t_values.append(round(c, 2))
+
+        # symbol leaderboard
+        lb = {}
+        for d in decs:
+            row = lb.setdefault(d.symbol, {"symbol": d.symbol, "decisions": 0, "executed": 0})
+            row["decisions"] += 1
+            if d.status == "executed":
+                row["executed"] += 1
+        leaderboard = sorted(lb.values(), key=lambda x: x["executed"], reverse=True)
+
+        return {
+            "ok": True,
+            "hours": hours,
+            "decisionSeries": {
+                "labels": labels,
+                "buy": buy,
+                "sell": sell,
+                "hold": hold,
+                "executed": executed,
+                "failed": failed,
+            },
+            "activitySeries": {
+                "labels": t_labels,
+                "cumulativeNotional": t_values,
+            },
+            "leaderboard": leaderboard,
+        }
+    finally:
+        db.close()
+
 @app.get("/")
 def home(request: Request):
     db = SessionLocal()