Add hexagon backend

server/main.py

@@ -0,0 +1,23 @@
+from pathlib import Path
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+from fastapi.staticfiles import StaticFiles
+
+from server.routes import hexagons
+
+app = FastAPI(title="Property Map API")
+
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+app.include_router(hexagons.router, prefix="/api")
+
+# Mount static files for production (frontend build)
+frontend_dist = Path(__file__).parent.parent / "frontend" / "dist"
+if frontend_dist.exists():
+    app.mount("/", StaticFiles(directory=frontend_dist, html=True), name="static")