refactor: #85 T2 extrait le CRUD webhooks vers backend/routers (comportement inchange)

backend/routers/webhooks.py

@@ -0,0 +1,54 @@
+"""Webhook CRUD endpoints (ROADMAP #85, tranche 2).
+
+Handlers déplacés depuis :mod:`backend.main` sans changement de
+comportement : mêmes chemins (``/api/webhooks``), même modèle de réponse
+(:class:`backend.schemas.WebhookModel`), même dépendance admin. La logique
+métier vit déjà dans :mod:`backend.webhooks` (validation d'URL anti-SSRF,
+store ``webhook_secrets.json`` — BUG-026).
+"""
+
+from fastapi import APIRouter, Body, Depends, HTTPException
+
+from backend.auth.middleware import require_admin
+from backend.schemas import StatusResponse, WebhookModel
+from backend.webhooks import (
+    create_webhook,
+    delete_webhook,
+    get_webhooks,
+    update_webhook,
+)
+
+router = APIRouter(prefix="/api/webhooks", tags=["webhooks"])
+
+
+@router.get("", response_model=list[WebhookModel])
+async def api_webhooks_list(current_user=Depends(require_admin)):
+    return get_webhooks()
+
+
+@router.post("", response_model=WebhookModel)
+async def api_webhooks_create(body: dict = Body(...), current_user=Depends(require_admin)):
+    name = body.get("name", "Unnamed")
+    url = body.get("url", "")
+    events = body.get("events", [])
+    secret = body.get("secret")
+    if not url:
+        raise HTTPException(400, "URL is required")
+    return create_webhook(name, url, events, secret)
+
+
+@router.patch("/{webhook_id}", response_model=WebhookModel)
+async def api_webhooks_update(
+    webhook_id: str, body: dict = Body(...), current_user=Depends(require_admin)
+):
+    result = update_webhook(webhook_id, body)
+    if not result:
+        raise HTTPException(404, "Webhook not found")
+    return result
+
+
+@router.delete("/{webhook_id}", response_model=StatusResponse)
+async def api_webhooks_delete(webhook_id: str, current_user=Depends(require_admin)):
+    if not delete_webhook(webhook_id):
+        raise HTTPException(404, "Webhook not found")
+    return {"status": "deleted"}