feat(pose_3d): POST /unlock proxy + non-regression check

tests/test_pose_3d_routes.py

@@ -187,3 +187,15 @@ def test_go_pose_executes_via_g1_with_stored_values():
         assert captured["side"] == "left"
         assert captured["position"] == [0.11, 0.22, 0.33]
         assert captured["precise"] is True
+
+
+def test_unlock_proxies_to_bridge():
+    def _post(url, *args, **kw):
+        assert url.endswith("/unlock")
+        resp = MagicMock()
+        resp.json.return_value = {"ok": True, "message": "unlocked"}
+        return resp
+    with patch("presa_mano.api.pose_3d_routes.httpx.post", side_effect=_post):
+        r = client.post("/api/pose_3d/unlock")
+        assert r.status_code == 200
+        assert r.json()["ok"] is True