Add Pydantic models and FastAPI router structure for agent and backend

backend/app/main.py

@@ -1,11 +1,22 @@
 from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
 
-app = FastAPI(title="NetMapper API", version="0.1.0")
+from app.routers.discoveries import router as discoveries_router
+from app.routers.health import router as health_router
+from app.routers.jobs import router as jobs_router
+from app.routers.objects import router as objects_router
 
-@app.get("/health")
-def health():
-    return {"status": "ok"}
+app = FastAPI(title='NetMapper Backend', version='0.1.0')
 
-@app.get("/api/v1")
-def root():
-    return {"service": "netmapper-backend", "version": "0.1.0"}
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=['*'],
+    allow_credentials=True,
+    allow_methods=['*'],
+    allow_headers=['*'],
+)
+
+app.include_router(health_router)
+app.include_router(objects_router)
+app.include_router(jobs_router)
+app.include_router(discoveries_router)