🧑‍💻(bin) update release tooling to support uv-based deps management

Following the switch from pip to uv, prepare the release workflow
to automatically run `uv lock` on backend and
keep dependencies up to date.

CHANGELOG.md

@@ -15,7 +15,6 @@ and this project adheres to
 ### Fixed
 
 - 🔒️(backend) fix email disclosure in room invitation endpoint #1200
-- 🐛(backend) fix regression in update-participant endpoint #1204
 
 ## [1.12.0] - 2026-03-24
 

bin/prepare-release.sh

@@ -101,6 +101,12 @@ update_npm_version "mail"
 # Update backend pyproject.toml
 update_python_version "backend"
 
+# Run uv lock in backend
+print_info "Running uv lock in backend..."
+cd "src/backend"
+uv lock
+cd -
+
 # Update summary pyproject.toml
 update_python_version "summary"
 
@@ -149,6 +155,7 @@ echo "      - src/frontend/package.json"
 echo "      - src/sdk/package.json"
 echo "      - src/mail/package.json"
 echo "      - src/backend/pyproject.toml"
+echo "      - src/backend/uv.lock"
 echo "      - src/summary/pyproject.toml"
 echo "      - src/agents/pyproject.toml"
 echo "      - CHANGELOG.md"

src/backend/core/api/serializers.py

@@ -303,9 +303,6 @@ class MuteParticipantSerializer(BaseParticipantsManagementSerializer):
     )
 
 
-TrackSource = Literal["SCREEN_SHARE", "SCREEN_SHARE_AUDIO", "CAMERA", "MICROPHONE"]
-
-
 class ParticipantPermission(BaseModel):
     """Mirror the LiveKit ParticipantPermission protobuf.
 
@@ -316,7 +313,9 @@ class ParticipantPermission(BaseModel):
     can_subscribe: bool | None = None
     can_publish: bool | None = None
     can_publish_data: bool | None = None
-    can_publish_sources: list[TrackSource] = Field(default_factory=list)
+    can_publish_sources: list[int] = Field(
+        default_factory=list
+    )  # TrackSource enum values
     hidden: bool | None = None
     recorder: bool | None = None
     can_update_metadata: bool | None = None
@@ -367,6 +366,14 @@ class UpdateParticipantSerializer(BaseParticipantsManagementSerializer):
                 f"Setting the following participant permissions is not allowed: "
                 f"{', '.join(suspicious_fields)}."
             )
+        if permission.can_subscribe_metrics is not None:
+            raise serializers.ValidationError(
+                {
+                    "permission": {
+                        "can_subscribe_metrics": "This permission is not implemented."
+                    }
+                }
+            )
 
         return permission
 

src/backend/core/tests/rooms/test_api_rooms_participants_management.py

@@ -130,11 +130,10 @@ def test_update_participant_success(mock_livekit_client):
             "can_publish": True,
             "can_publish_data": True,
             "can_publish_sources": [
-                "CAMERA",
-                "MICROPHONE",
-            ],
+                1,
+                2,
+            ],  # [TrackSource.CAMERA, TrackSource.MICROPHONE]
             "can_update_metadata": True,
-            "can_subscribe_metrics": True,
         },
         "name": "John Doe",
     }
@@ -156,14 +155,8 @@ def test_update_participant_success(mock_livekit_client):
         {"can_subscribe": True},
         {"can_publish": True},
         {"can_publish_data": True},
-        {
-            "can_publish_sources": [
-                "CAMERA",
-                "MICROPHONE",
-            ]
-        },
+        {"can_publish_sources": [1, 2]},
         {"can_update_metadata": True},
-        {"can_subscribe_metrics": False},
     ],
 )
 def test_update_participant_permission_fields_are_optional(
@@ -271,6 +264,35 @@ def test_update_participant_suspicious_permission_multiple(mock_suspicious):
     )
 
 
+@pytest.mark.parametrize("value", (False, True))
+def test_update_participant_unimplemented_can_subscribe_metrics(value):
+    """Test update participant raises 400 when can_subscribe_metrics is set."""
+    client = APIClient()
+    room = RoomFactory()
+    user = UserFactory()
+    UserResourceAccessFactory(
+        resource=room, user=user, role=random.choice(["administrator", "owner"])
+    )
+    client.force_authenticate(user=user)
+
+    payload = {
+        "participant_identity": str(uuid4()),
+        "permission": {
+            "can_subscribe": True,
+            "can_publish": True,
+            "can_publish_data": True,
+            "can_update_metadata": False,
+            "can_subscribe_metrics": value,
+        },
+    }
+
+    url = reverse("rooms-update-participant", kwargs={"pk": room.id})
+    response = client.post(url, payload, format="json")
+
+    assert response.status_code == status.HTTP_400_BAD_REQUEST
+    assert "can_subscribe_metrics" in str(response.data)
+
+
 def test_update_participant_forbidden_without_access():
     """Test update participant returns 403 when user lacks room privileges."""
     client = APIClient()