feat: initial commit — polymarket-bot source + CI/CD pipeline

api/main.py

@@ -0,0 +1,75 @@
+"""
+FastAPI Backend — serves metrics and trade data to the React dashboard.
+"""
+from contextlib import asynccontextmanager
+import os
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+
+from bot.data.db import Database
+
+db = Database()
+
+
+@asynccontextmanager
+async def lifespan(app: FastAPI):
+    await db.connect()
+    yield
+    await db.disconnect()
+
+
+app = FastAPI(title="Polymarket Bot API", lifespan=lifespan)
+
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_methods=["GET"],
+    allow_headers=["*"],
+)
+
+
+@app.get("/health")
+async def health():
+    return {"status": "ok", "paper_mode": os.getenv("PAPER_MODE", "true")}
+
+
+@app.get("/api/metrics")
+async def get_metrics():
+    history = await db.get_metrics_history(days=42)
+    if not history:
+        return {"history": [], "latest": None}
+    return {"history": history, "latest": history[0]}
+
+
+@app.get("/api/trades")
+async def get_trades(limit: int = 50):
+    trades = await db.get_recent_trades(limit=limit)
+    return {"trades": trades, "count": len(trades)}
+
+
+@app.get("/api/summary")
+async def get_summary():
+    """Dashboard summary card data."""
+    history = await db.get_metrics_history(days=1)
+    trades = await db.get_recent_trades(limit=500)
+
+    latest = history[0] if history else {}
+    paper_bankroll = float(os.getenv("PAPER_BANKROLL", "10000"))
+    total_deployed = sum(t.get("net_cost", 0) for t in trades)
+
+    return {
+        "paper_mode": os.getenv("PAPER_MODE", "true") == "true",
+        "paper_bankroll": paper_bankroll,
+        "total_trades": len(trades),
+        "total_deployed": total_deployed,
+        "total_pnl": latest.get("total_pnl", 0),
+        "win_rate": latest.get("win_rate", 0),
+        "sharpe_ratio": latest.get("sharpe_ratio", 0),
+        "calibration_score": latest.get("calibration_score", 0),
+        "promotion_ready": (
+            latest.get("sharpe_ratio", 0) >= 0.5
+            and latest.get("win_rate", 0) >= 0.52
+            and latest.get("calibration_score", 0) >= 0.7
+            and len(trades) >= 50
+        ),
+    }