Add ThreatHunt agent backend/frontend scaffolding

backend/app/main.py

@@ -0,0 +1,35 @@
+"""ThreatHunt backend application."""
+
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+
+from app.api.routes import agent
+
+# Create FastAPI application
+app = FastAPI(
+    title="ThreatHunt API",
+    description="Analyst-assist threat hunting platform with agent guidance",
+    version="0.1.0",
+)
+
+# Configure CORS
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],  # In production, restrict to known domains
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+# Include routes
+app.include_router(agent.router)
+
+
+@app.get("/", tags=["health"])
+async def root():
+    """API health check."""
+    return {
+        "service": "ThreatHunt API",
+        "status": "running",
+        "docs": "/docs",
+    }