Upload files to "frontend/routes"

frontend/routes/crop.py

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+from fastapi import APIRouter, Request
+from fastapi.responses import JSONResponse
+from pydantic import BaseModel
+import api_client
+
+router = APIRouter()
+
+
+class CropPayload(BaseModel):
+    matrix: list[float]
+    scale: list[float]
+    subset_name: str = ""
+
+
+@router.post("/crop/{pc_id}")
+async def crop(pc_id: str, payload: CropPayload):
+    """Proxifie la requête de clipping vers le backend FastAPI."""
+    result = await api_client.crop_pointcloud(pc_id, payload.model_dump())
+    return JSONResponse(result)