feat(right_arm): endpoint /snapshot/{front,wrist}

src/presa_mano/api/right_arm_routes.py

@@ -4,6 +4,7 @@ from __future__ import annotations
 from typing import Any
 
 from fastapi import APIRouter, HTTPException
+from fastapi.responses import Response
 
 from ..clients import G1Unavailable
 from ..config import update_config
@@ -54,3 +55,21 @@ def post_activate() -> dict[str, Any]:
         return _state_payload(sw)
     except G1Unavailable as e:
         raise HTTPException(status_code=502, detail=str(e))
+
+
+@router.get("/snapshot/front")
+def snapshot_front() -> Response:
+    try:
+        jpeg = _deps.front_camera().rgb_jpeg()
+    except Exception as e:
+        raise HTTPException(status_code=502, detail=f"front_camera unreachable: {e}")
+    return Response(content=jpeg, media_type="image/jpeg")
+
+
+@router.get("/snapshot/wrist")
+def snapshot_wrist() -> Response:
+    try:
+        jpeg = _deps.nuwa().rgb_jpeg()
+    except Exception as e:
+        raise HTTPException(status_code=502, detail=f"wrist nuwa unreachable: {e}")
+    return Response(content=jpeg, media_type="image/jpeg")