added vegetation

api/app/main.py

@@ -1,4 +1,7 @@
-from fastapi import FastAPI
+from fastapi import FastAPI, Request
+from fastapi.exceptions import RequestValidationError
+from fastapi.responses import JSONResponse
+from starlette.exceptions import HTTPException as StarletteHTTPException
 
 from app.config import get_settings
 from app.routers import api_router
@@ -16,6 +19,29 @@ def create_app() -> FastAPI:
     def health() -> dict[str, str]:
         return {"status": "ok"}
 
+    @app.exception_handler(StarletteHTTPException)
+    def http_exception_handler(_request: Request, exc: StarletteHTTPException) -> JSONResponse:
+        detail = exc.detail
+        if not (isinstance(detail, dict) and "code" in detail and "detail" in detail):
+            detail = {"code": "HTTP_ERROR", "detail": detail}
+        return JSONResponse(status_code=exc.status_code, content={"detail": detail})
+
+    @app.exception_handler(RequestValidationError)
+    def validation_exception_handler(
+        _request: Request,
+        exc: RequestValidationError,
+    ) -> JSONResponse:
+        return JSONResponse(
+            status_code=422,
+            content={
+                "detail": {
+                    "code": "VALIDATION_ERROR",
+                    "detail": "Request validation failed",
+                    "errors": exc.errors(),
+                }
+            },
+        )
+
     app.include_router(api_router, prefix=settings.api_v1_prefix)
     return app