Merge remote-tracking branch 'origin/master' into dev/4.11.x

# Conflicts:
#	src/langbot/pkg/pipeline/process/handlers/chat.py
#	tests/integration/persistence/test_workspace_migration.py

src/langbot/pkg/api/http/authz.py

@@ -74,6 +74,11 @@ class AuthorizationError(Exception):
     error_code = 'forbidden'
 
 
+class AuthenticationDeniedError(AuthorizationError):
+    status_code = 401
+    error_code = 'invalid_authentication'
+
+
 class WorkspaceRequiredError(AuthorizationError):
     status_code = 400
     error_code = 'workspace_required'

src/langbot/pkg/api/http/context.py

@@ -9,6 +9,7 @@ class PrincipalType(enum.StrEnum):
 
     ACCOUNT = 'account'
     API_KEY = 'api_key'
+    SUPPORT_ADMIN = 'support_admin'
     SYSTEM = 'system'
     PUBLIC_BOT = 'public_bot'
 
@@ -19,7 +20,9 @@ class PrincipalContext:
 
     principal_type: PrincipalType
     account_uuid: str | None = None
+    actor_account_uuid: str | None = None
     api_key_uuid: str | None = None
+    support_session_id: str | None = None
 
 
 @dataclasses.dataclass(frozen=True, slots=True)

src/langbot/pkg/api/http/controller/group.py

@@ -15,8 +15,17 @@ from ....workspace.collaboration import MembershipPermissionError, WorkspaceColl
 from ....workspace.errors import WorkspaceNotFoundError
 from ....cloud.entitlements import EntitlementUnavailableError
 from ....core.errors import TaskCapacityError
-from ..authz import AuthorizationError, Permission, permissions_for_role, require_permission
+from ..authz import (
+    AuthenticationDeniedError,
+    AuthorizationError,
+    Permission,
+    PermissionDeniedError,
+    WorkspaceRequiredError,
+    permissions_for_role,
+    require_permission,
+)
 from ..context import PrincipalContext, PrincipalType, RequestContext, WorkspaceContext
+from ....cloud.support_admin import SupportAdminSessionError
 
 if typing.TYPE_CHECKING:
     from ....core.app import Application
@@ -51,6 +60,17 @@ class AuthType(enum.Enum):
     USER_TOKEN_OR_API_KEY = 'user-token-or-api-key'
 
 
+_SUPPORT_ADMIN_DENIED_PERMISSIONS = frozenset(
+    {
+        Permission.OWNER_TRANSFER.value,
+        Permission.MEMBER_VIEW.value,
+        Permission.MEMBER_INVITE.value,
+        Permission.MEMBER_UPDATE_ROLE.value,
+        Permission.MEMBER_REMOVE.value,
+    }
+)
+
+
 class RouterGroup(abc.ABC):
     name: str
 
@@ -95,6 +115,10 @@ class RouterGroup(abc.ABC):
                         return self.http_status(401, -1, 'No valid user token provided')
 
                     try:
+                        if self._is_support_admin_token(token):
+                            raise AuthenticationDeniedError(
+                                'Support admin tokens cannot be refreshed or used on account endpoints'
+                            )
                         account, user_email = await self._authenticate_account(token)
                         # Account-token routes deliberately stop before Workspace
                         # selection. They may bootstrap a selector, but cannot
@@ -111,8 +135,13 @@ class RouterGroup(abc.ABC):
                         return self.http_status(401, -1, 'No valid user token provided')
 
                     try:
-                        account, user_email = await self._authenticate_account(token)
+                        request_context = await self._authenticate_support_admin(token, auth_type)
-                        request_context = await self._resolve_account_context(account, auth_type)
+                        if request_context is not None:
+                            self._require_support_admin_route_allowed(rule, f, permission)
+                            user_email = None
+                        else:
+                            account, user_email = await self._authenticate_account(token)
+                            request_context = await self._resolve_account_context(account, auth_type)
                         if permission is not None:
                             if request_context is None:
                                 raise AuthorizationError('Workspace authorization is unavailable')
@@ -141,10 +170,20 @@ class RouterGroup(abc.ABC):
                         return self._auth_error_response(e)
 
                 elif auth_type == AuthType.USER_TOKEN_OR_API_KEY:
+                    token = quart.request.headers.get('Authorization', '').replace('Bearer ', '')
+                    if token and self._is_support_admin_token(token):
+                        try:
+                            request_context = await self._authenticate_support_admin(token, auth_type)
+                            if request_context is None:
+                                raise AuthenticationDeniedError('Invalid support admin token')
+                            self._require_support_admin_route_allowed(rule, f, permission)
+                            if permission is not None:
+                                require_permission(request_context, permission)
+                            self._inject_handler_context(f, kwargs, None, request_context)
+                        except Exception as e:
+                            return self._auth_error_response(e)
                     # Try API key first (check X-API-Key header)
-                    api_key = quart.request.headers.get('X-API-Key', '')
+                    elif api_key := quart.request.headers.get('X-API-Key', ''):
-
-                    if api_key:
                         # API key authentication
                         try:
                             request_context = await self._authenticate_api_key(api_key, auth_type)
@@ -155,8 +194,6 @@ class RouterGroup(abc.ABC):
                             return self._auth_error_response(e)
                     else:
                         # Try user token authentication (Authorization header)
-                        token = quart.request.headers.get('Authorization', '').replace('Bearer ', '')
-
                         if not token:
                             return self.http_status(
                                 401, -1, 'No valid authentication provided (user token or API key required)'
@@ -268,10 +305,83 @@ class RouterGroup(abc.ABC):
             raise ValueError('User not found')
         return account, account.user
 
+    def _is_support_admin_token(self, token: str) -> bool:
+        service = getattr(self.ap, 'support_admin_session_service', None)
+        detector = getattr(service, 'is_support_admin_token', None)
+        return callable(detector) and detector(token) is True
+
+    async def _authenticate_support_admin(
+        self,
+        token: str,
+        auth_type: AuthType,
+        *,
+        workspace_uuid: str | None = None,
+        request_id: str | None = None,
+    ) -> RequestContext | None:
+        service = getattr(self.ap, 'support_admin_session_service', None)
+        detector = getattr(service, 'is_support_admin_token', None)
+        if service is None or not callable(detector) or detector(token) is not True:
+            return None
+
+        requested_workspace_uuid = (
+            workspace_uuid if workspace_uuid is not None else quart.request.headers.get('X-Workspace-Id')
+        )
+        if not requested_workspace_uuid:
+            raise WorkspaceRequiredError('Support admin token requires an explicit Workspace selector')
+        try:
+            identity = await service.authenticate_token(
+                token,
+                requested_workspace_uuid=requested_workspace_uuid,
+            )
+        except SupportAdminSessionError as exc:
+            raise AuthenticationDeniedError(str(exc)) from exc
+
+        entitlement_revision = await self._resolve_entitlement_revision(
+            identity.instance_uuid,
+            identity.workspace_uuid,
+        )
+        request_context = RequestContext(
+            instance_uuid=identity.instance_uuid,
+            placement_generation=identity.placement_generation,
+            request_id=request_id or self.request_id(),
+            auth_type=auth_type.value,
+            principal=PrincipalContext(
+                principal_type=PrincipalType.SUPPORT_ADMIN,
+                actor_account_uuid=identity.actor_account_uuid,
+                support_session_id=identity.grant_jti_hash,
+            ),
+            workspace=WorkspaceContext(
+                workspace_uuid=identity.workspace_uuid,
+                membership_uuid=None,
+                role='owner',
+                permissions=permissions_for_role('owner') - _SUPPORT_ADMIN_DENIED_PERMISSIONS,
+                membership_revision=0,
+            ),
+            entitlement_revision=entitlement_revision,
+        )
+        quart.g.request_context = request_context
+        quart.g.workspace_membership = None
+        return request_context
+
+    @staticmethod
+    def _require_support_admin_route_allowed(
+        rule: str,
+        handler: RouteCallable,
+        permission: Permission | str | None,
+    ) -> None:
+        parameters = inspect.signature(handler).parameters
+        if rule.startswith('/api/v1/user/') or 'account' in parameters or 'user_email' in parameters:
+            raise AuthenticationDeniedError('Support admin tokens are not permitted on account endpoints')
+        permission_value = permission.value if isinstance(permission, Permission) else permission
+        if permission_value in _SUPPORT_ADMIN_DENIED_PERMISSIONS:
+            raise PermissionDeniedError(permission_value)
+
     async def _resolve_account_context(
         self,
         account: typing.Any,
         auth_type: AuthType,
+        *,
+        token: str | None = None,
     ) -> RequestContext | None:
         collaboration_service = getattr(self.ap, 'workspace_collaboration_service', None)
         account_uuid = getattr(account, 'uuid', None)

src/langbot/pkg/api/http/controller/groups/pipelines/websocket_chat.py

@@ -97,6 +97,16 @@ class WebSocketChatRouterGroup(group.RouterGroup):
         if not token or not workspace_uuid:
             raise ValueError('Authentication is required')
 
+        support_context = await self._authenticate_support_admin(
+            token,
+            group.AuthType.USER_TOKEN,
+            workspace_uuid=workspace_uuid,
+            request_id=quart.websocket.headers.get('X-Request-Id') or str(uuid.uuid4()),
+        )
+        if support_context is not None:
+            require_permission(support_context, Permission.RUNTIME_OPERATE)
+            return support_context, token
+
         account, _ = await self._authenticate_account(token)
         account_uuid = getattr(account, 'uuid', None)
         collaboration_service = getattr(self.ap, 'workspace_collaboration_service', None)
@@ -131,6 +141,23 @@ class WebSocketChatRouterGroup(group.RouterGroup):
     ) -> RequestContext:
         """Recheck revocable account, membership, permission, and placement state."""
 
+        if request_context.principal.principal_type == PrincipalType.SUPPORT_ADMIN:
+            current_context = await self._authenticate_support_admin(
+                token,
+                group.AuthType.USER_TOKEN,
+                workspace_uuid=request_context.workspace_uuid,
+                request_id=request_context.request_id,
+            )
+            if current_context is None or current_context.principal != request_context.principal:
+                raise ValueError('WebSocket support admin session changed')
+            if (
+                current_context.instance_uuid != request_context.instance_uuid
+                or current_context.placement_generation != request_context.placement_generation
+            ):
+                raise ValueError('WebSocket authorization changed')
+            require_permission(current_context, Permission.RUNTIME_OPERATE)
+            return current_context
+
         account, _ = await self._authenticate_account(token)
         account_uuid = getattr(account, 'uuid', None)
         if account_uuid != request_context.account_uuid:
@@ -211,6 +238,7 @@ class WebSocketChatRouterGroup(group.RouterGroup):
                     scope=WebSocketScope.from_context(request_context),
                     pipeline_uuid=pipeline_uuid,
                     session_type=session_type,
+                    trigger_principal=request_context.principal,
                     metadata={'user_agent': quart.websocket.headers.get('User-Agent', '')},
                     send_queue_size=(
                         self.ap.instance_config.data.get('system', {})
@@ -391,7 +419,7 @@ class WebSocketChatRouterGroup(group.RouterGroup):
                         )
                     elif message_type == 'message':
                         try:
-                            await self._revalidate_websocket_authorization(request_context, token)
+                            request_context = await self._revalidate_websocket_authorization(request_context, token)
                         except Exception:
                             await connection.send_queue.put({'type': 'error', 'message': 'Unauthorized'})
                             break

src/langbot/pkg/api/http/controller/groups/platform/adapters.py

@@ -22,6 +22,7 @@ class _AdapterSessionScope:
     principal_type: str
     account_uuid: str | None
     api_key_uuid: str | None
+    support_session_id: str | None
 
     @classmethod
     def from_request_context(cls, request_context: RequestContext) -> '_AdapterSessionScope':
@@ -33,6 +34,7 @@ class _AdapterSessionScope:
             principal_type=principal.principal_type.value,
             account_uuid=principal.account_uuid,
             api_key_uuid=principal.api_key_uuid,
+            support_session_id=principal.support_session_id,
         )
 
     def matches(self, request_context: RequestContext) -> bool:

src/langbot/pkg/api/http/controller/groups/plugins.py

@@ -318,6 +318,13 @@ class PluginsRouterGroup(group.RouterGroup):
         )
         return await operation()
 
+    async def _require_authenticated_plugin_runtime_context(
+        self,
+        request_context: RequestContext,
+    ) -> ExecutionContext:
+        """Fence an authenticated resource request to its injected Workspace."""
+        return await self.ap.plugin_connector.require_workspace_context(request_context)
+
     async def _require_public_plugin_runtime_context(self) -> ExecutionContext:
         """Resolve public assets only for the OSS singleton Workspace.
 
@@ -372,7 +379,7 @@ class PluginsRouterGroup(group.RouterGroup):
             permission=Permission.RESOURCE_VIEW,
         )
         async def _(request_context: RequestContext) -> str:
-            await self.ap.plugin_connector.require_workspace_context(request_context)
+            await self._require_authenticated_plugin_runtime_context(request_context)
             plugins = await self.ap.plugin_connector.list_plugins()
 
             return self.success(data={'plugins': redact_plugin_secrets(plugins)})
@@ -385,7 +392,7 @@ class PluginsRouterGroup(group.RouterGroup):
         )
         async def _(request_context: RequestContext) -> str:
             """Get plugin debug information including debug URL and key"""
-            await self.ap.plugin_connector.require_workspace_context(request_context)
+            await self._require_authenticated_plugin_runtime_context(request_context)
             debug_info = await self.ap.plugin_connector.get_debug_info()
 
             # Get debug URL from config
@@ -428,7 +435,7 @@ class PluginsRouterGroup(group.RouterGroup):
             permission=Permission.RESOURCE_VIEW,
         )
         async def _(author: str, plugin_name: str, request_context: RequestContext) -> str:
-            await self.ap.plugin_connector.require_workspace_context(request_context)
+            await self._require_authenticated_plugin_runtime_context(request_context)
             plugin = await self.ap.plugin_connector.get_plugin_info(author, plugin_name)
             if plugin is None:
                 return self.http_status(404, -1, 'plugin not found')
@@ -469,7 +476,7 @@ class PluginsRouterGroup(group.RouterGroup):
             permission=Permission.RESOURCE_VIEW,
         )
         async def _(author: str, plugin_name: str, request_context: RequestContext) -> quart.Response:
-            await self.ap.plugin_connector.require_workspace_context(request_context)
+            await self._require_authenticated_plugin_runtime_context(request_context)
             plugin = await self.ap.plugin_connector.get_plugin_info(author, plugin_name)
             if plugin is None:
                 return self.http_status(404, -1, 'plugin not found')
@@ -489,7 +496,7 @@ class PluginsRouterGroup(group.RouterGroup):
             permission=Permission.RESOURCE_MANAGE,
         )
         async def _(author: str, plugin_name: str, request_context: RequestContext) -> quart.Response:
-            await self.ap.plugin_connector.require_workspace_context(request_context)
+            await self._require_authenticated_plugin_runtime_context(request_context)
             plugin = await self.ap.plugin_connector.get_plugin_info(author, plugin_name)
             if plugin is None:
                 return self.http_status(404, -1, 'plugin not found')
@@ -506,7 +513,7 @@ class PluginsRouterGroup(group.RouterGroup):
                 )
             except ValueError as exc:
                 return self.http_status(400, -1, str(exc))
-            await self.ap.plugin_connector.require_workspace_context(request_context)
+            await self._require_authenticated_plugin_runtime_context(request_context)
             await self.ap.plugin_connector.set_plugin_config(author, plugin_name, config)
             return self.success(data={})
 
@@ -517,7 +524,7 @@ class PluginsRouterGroup(group.RouterGroup):
             permission=Permission.RESOURCE_VIEW,
         )
         async def _(author: str, plugin_name: str, request_context: RequestContext) -> quart.Response:
-            await self.ap.plugin_connector.require_workspace_context(request_context)
+            await self._require_authenticated_plugin_runtime_context(request_context)
             language = quart.request.args.get('language', 'en')
             readme = await self.ap.plugin_connector.get_plugin_readme(author, plugin_name, language=language)
             return self.success(data={'readme': readme})
@@ -529,7 +536,7 @@ class PluginsRouterGroup(group.RouterGroup):
             permission=Permission.AUDIT_VIEW,
         )
         async def _(author: str, plugin_name: str, request_context: RequestContext) -> quart.Response:
-            await self.ap.plugin_connector.require_workspace_context(request_context)
+            await self._require_authenticated_plugin_runtime_context(request_context)
             try:
                 limit = int(quart.request.args.get('limit', 200))
             except (TypeError, ValueError):
@@ -538,6 +545,44 @@ class PluginsRouterGroup(group.RouterGroup):
             logs = await self.ap.plugin_connector.get_plugin_logs(author, plugin_name, limit=limit, level=level)
             return self.success(data={'logs': logs})
 
+        @self.route(
+            '/<author>/<plugin_name>/authenticated-icon',
+            methods=['GET'],
+            auth_type=group.AuthType.USER_TOKEN_OR_API_KEY,
+            permission=Permission.RESOURCE_VIEW,
+        )
+        async def _(
+            author: str,
+            plugin_name: str,
+            request_context: RequestContext,
+        ) -> quart.Response:
+            await self._require_authenticated_plugin_runtime_context(request_context)
+            icon_data = await self.ap.plugin_connector.get_plugin_icon(author, plugin_name)
+            icon_bytes = await asyncio.to_thread(base64.b64decode, icon_data['plugin_icon_base64'])
+            return quart.Response(icon_bytes, mimetype=icon_data['mime_type'])
+
+        @self.route(
+            '/<author>/<plugin_name>/authenticated-assets/<path:filepath>',
+            methods=['GET'],
+            auth_type=group.AuthType.USER_TOKEN_OR_API_KEY,
+            permission=Permission.RESOURCE_VIEW,
+        )
+        async def _(
+            author: str,
+            plugin_name: str,
+            filepath: str,
+            request_context: RequestContext,
+        ) -> quart.Response:
+            await self._require_authenticated_plugin_runtime_context(request_context)
+            asset_path = _normalize_plugin_asset_path(filepath)
+            if asset_path is None:
+                return quart.Response('Asset not found', status=404)
+            asset_data = await self.ap.plugin_connector.get_plugin_assets(author, plugin_name, asset_path)
+            if not asset_data.get('asset_base64'):
+                return quart.Response('Asset not found', status=404)
+            asset_bytes = await asyncio.to_thread(base64.b64decode, asset_data['asset_base64'])
+            return quart.Response(asset_bytes, mimetype=asset_data['mime_type'])
+
         @self.route(
             '/<author>/<plugin_name>/icon',
             methods=['GET'],
@@ -596,7 +641,7 @@ class PluginsRouterGroup(group.RouterGroup):
         )
         async def _(author: str, plugin_name: str, request_context: RequestContext) -> str:
             """Forward a page API request to the plugin."""
-            await self.ap.plugin_connector.require_workspace_context(request_context)
+            await self._require_authenticated_plugin_runtime_context(request_context)
             data = await quart.request.json
             if not isinstance(data, dict):
                 return self.http_status(400, -1, 'invalid request body')
@@ -625,7 +670,7 @@ class PluginsRouterGroup(group.RouterGroup):
         )
         async def _(request_context: RequestContext) -> str:
             """Get releases from a GitHub repository URL"""
-            await self.ap.plugin_connector.require_workspace_context(request_context)
+            await self._require_authenticated_plugin_runtime_context(request_context)
             data = await quart.request.json
             repo_url = data.get('repo_url', '')
 
@@ -705,7 +750,7 @@ class PluginsRouterGroup(group.RouterGroup):
         )
         async def _(request_context: RequestContext) -> str:
             """Get assets from a specific GitHub release"""
-            await self.ap.plugin_connector.require_workspace_context(request_context)
+            await self._require_authenticated_plugin_runtime_context(request_context)
             data = await quart.request.json
             owner = data.get('owner', '')
             repo = data.get('repo', '')
@@ -901,7 +946,7 @@ class PluginsRouterGroup(group.RouterGroup):
             permission=Permission.RESOURCE_MANAGE,
         )
         async def _(request_context: RequestContext) -> str:
-            await self.ap.plugin_connector.require_workspace_context(request_context)
+            await self._require_authenticated_plugin_runtime_context(request_context)
             file = (await quart.request.files).get('file')
             if file is None:
                 return self.http_status(400, -1, 'file is required')
@@ -942,7 +987,7 @@ class PluginsRouterGroup(group.RouterGroup):
         )
         async def _(request_context: RequestContext) -> str:
             """Upload a file for plugin configuration"""
-            await self.ap.plugin_connector.require_workspace_context(request_context)
+            await self._require_authenticated_plugin_runtime_context(request_context)
             file = (await quart.request.files).get('file')
             if file is None:
                 return self.http_status(400, -1, 'file is required')
@@ -974,7 +1019,7 @@ class PluginsRouterGroup(group.RouterGroup):
         )
         async def _(file_key: str, request_context: RequestContext) -> str:
             """Delete a plugin configuration file"""
-            await self.ap.plugin_connector.require_workspace_context(request_context)
+            await self._require_authenticated_plugin_runtime_context(request_context)
             if not self.ap.storage_mgr.is_scoped_object_key(file_key, expected_owner_type='plugin_config'):
                 return self.http_status(400, -1, 'invalid file key')
 

src/langbot/pkg/api/http/controller/groups/user.py

@@ -396,6 +396,19 @@ class UserRouterGroup(group.RouterGroup):
                 launch_assertion,
                 expected_workspace_uuid=workspace_uuid,
             )
+            if launch.get('launch_mode') == 'support_admin':
+                token = launch.get('support_admin_token')
+                if not token:
+                    raise SpaceLaunchError('Support admin launch session was not issued')
+                return self.success(
+                    data={
+                        'token': token,
+                        'workspace_uuid': launch['workspace_uuid'],
+                        'principal_type': 'support_admin',
+                        'actor_account_uuid': launch['actor_account_uuid'],
+                    }
+                )
+
             account = await self.ap.user_service.get_user_by_uuid(launch['account_uuid'])
             if account is None:
                 raise SpaceLaunchError('Launch Account is not projected into Core')

src/langbot/pkg/api/http/controller/groups/workspaces.py

@@ -5,7 +5,7 @@ import typing
 import quart
 
 from ...authz import Permission, permissions_for_role
-from ...context import RequestContext
+from ...context import PrincipalType, RequestContext
 from ...service.user import AccountExistsLoginRequiredError, ControlPlaneDirectoryRequiredError
 from .....entity.persistence.workspace import Workspace, WorkspaceInvitation, WorkspaceMembership
 from .....entity.persistence.workspace import WorkspaceSource
@@ -120,9 +120,6 @@ class WorkspacesRouterGroup(group.RouterGroup):
         @self.route('/current', methods=['GET'], permission=Permission.WORKSPACE_VIEW)
         async def _(request_context: RequestContext) -> typing.Any:
             membership = quart.g.workspace_membership
-            account = await self.ap.user_service.get_user_by_uuid(request_context.account_uuid)
-            if account is None:
-                return self.http_status(401, 'invalid_authentication', 'Account not found')
             workspace = await self.ap.workspace_service.get_workspace(request_context.workspace_uuid)
             plan_name: str | None = None
             resolver = getattr(self.ap, 'entitlement_resolver', None)
@@ -132,6 +129,28 @@ class WorkspacesRouterGroup(group.RouterGroup):
                     minimum_revision=request_context.entitlement_revision,
                 )
                 plan_name = entitlement.plan_name
+            if request_context.principal.principal_type == PrincipalType.SUPPORT_ADMIN:
+                return self.success(
+                    data={
+                        'workspace': _workspace_payload(workspace),
+                        'membership': {
+                            'uuid': None,
+                            'workspace_uuid': request_context.workspace_uuid,
+                            'account_uuid': None,
+                            'email': None,
+                            'role': 'owner',
+                            'status': 'active',
+                            'joined_at': None,
+                            'created_at': None,
+                        },
+                        'permissions': sorted(request_context.workspace.permissions),
+                        'placement_generation': request_context.placement_generation,
+                        'plan_name': plan_name,
+                    }
+                )
+            account = await self.ap.user_service.get_user_by_uuid(request_context.account_uuid)
+            if account is None:
+                return self.http_status(401, 'invalid_authentication', 'Account not found')
             return self.success(
                 data={
                     'workspace': _workspace_payload(workspace),

src/langbot/pkg/api/http/service/user.py

@@ -400,7 +400,10 @@ class UserService:
 
         return await self.generate_jwt_token(user_obj)
 
-    async def generate_jwt_token(self, account: user.User | str) -> str:
+    async def generate_jwt_token(
+        self,
+        account: user.User | str,
+    ) -> str:
         jwt_secret = self.ap.instance_config.data['system']['jwt']['secret']
         jwt_expire = self.ap.instance_config.data['system']['jwt']['expire']
 
@@ -413,7 +416,7 @@ class UserService:
                 # Lightweight unit-test and bootstrap callers may not have persistence wired.
                 account_obj = None
 
-        payload = {
+        payload: dict[str, typing.Any] = {
             'user': user_email,
             'iss': self._jwt_identity()[0],
             'aud': self._jwt_identity()[1],

src/langbot/pkg/cloud/launch.py

@@ -15,12 +15,15 @@ from cryptography.exceptions import InvalidSignature
 from cryptography.hazmat.primitives import serialization
 from cryptography.hazmat.primitives.asymmetric.ed25519 import Ed25519PublicKey
 
+from .support_admin import SupportAdminReplayError, SupportAdminSessionError, hash_grant_jti
+
 if typing.TYPE_CHECKING:
     from ..core.app import Application
 
 
 CONTROL_PLANE_TYP = 'langbot-control-plane+jwt'
 LAUNCH_KIND = 'workspace.launch'
+SUPPORT_ADMIN_LAUNCH_KIND = 'workspace.support_admin_launch'
 EXPECTED_ISSUER = 'langbot-space'
 EXPECTED_AUDIENCE = 'langbot-cloud-runtime'
 _CONSUMED_JTI_MAX_ENTRIES = 4096
@@ -123,15 +126,60 @@ class SpaceLaunchService:
         payload = claims.get('payload')
         if not isinstance(payload, dict):
             raise SpaceLaunchError('Launch assertion payload must be a JSON object')
-        account_uuid = _required_string(payload, 'account_uuid')
+        kind = _required_string(claims, 'kind')
         workspace_uuid = _required_string(payload, 'workspace_uuid')
         if expected_workspace_uuid is not None and workspace_uuid != expected_workspace_uuid:
             raise SpaceLaunchError('Launch assertion targets another Workspace')
-        await self._consume_jti(_required_string(claims, 'jti'), _required_int(claims, 'exp', minimum=1))
+        if kind == SUPPORT_ADMIN_LAUNCH_KIND:
-        return {
+            if 'account_uuid' in payload:
+                raise SpaceLaunchError('Admin launch assertion must not identify a customer Account')
+            if payload.get('launch_mode') != 'support_admin' or payload.get('principal_type') != 'support_admin':
+                raise SpaceLaunchError('Admin launch principal must be support_admin')
+            actor_account_uuid = _required_string(payload, 'actor_account_uuid')
+            if _required_string(payload, 'effective_role') != 'owner':
+                raise SpaceLaunchError('Admin launch effective role must be owner')
+            issued_at = _required_int(claims, 'iat')
+            expires_at = _required_int(claims, 'exp', minimum=1)
+            if expires_at - issued_at > 90:
+                raise SpaceLaunchError('Admin launch assertion lifetime exceeds 90 seconds')
+            grant_jti_hash = hash_grant_jti(_required_string(claims, 'jti'))
+            result = {
+                'workspace_uuid': workspace_uuid,
+                'launch_mode': 'support_admin',
+                'actor_account_uuid': actor_account_uuid,
+                'effective_role': 'owner',
+                'grant_jti_hash': grant_jti_hash,
+            }
+            support_service = getattr(self.ap, 'support_admin_session_service', None)
+            if support_service is None or not callable(getattr(support_service, 'consume_launch_grant', None)):
+                raise SpaceLaunchError('Durable support admin session service is unavailable')
+            try:
+                support_session = await support_service.consume_launch_grant(
+                    grant_jti_hash=grant_jti_hash,
+                    workspace_uuid=workspace_uuid,
+                    actor_account_uuid=actor_account_uuid,
+                )
+            except SupportAdminReplayError as exc:
+                raise SpaceLaunchError('Launch assertion has already been consumed') from exc
+            except SupportAdminSessionError as exc:
+                raise SpaceLaunchError(str(exc)) from exc
+            result['support_admin_token'] = support_session.token
+            self.ap.logger.info(
+                'cloud_support_admin_launch_consumed actor_account_uuid=%s workspace_uuid=%s',
+                result['actor_account_uuid'],
+                workspace_uuid,
+            )
+            return result
+
+        if payload.get('launch_mode') is not None:
+            raise SpaceLaunchError('Launch assertion mode is unsupported')
+        account_uuid = _required_string(payload, 'account_uuid')
+        result = {
             'account_uuid': account_uuid,
             'workspace_uuid': workspace_uuid,
         }
+        await self._consume_jti(_required_string(claims, 'jti'), _required_int(claims, 'exp', minimum=1))
+        return result
 
     def _verify_assertion(self, token: str) -> dict[str, typing.Any]:
         if not getattr(getattr(self.ap, 'deployment', None), 'multi_workspace_enabled', False):
@@ -169,8 +217,9 @@ class SpaceLaunchService:
             raise SpaceLaunchError('Launch assertion subject targets another instance')
         if _required_string(claims, 'instance_uuid') != instance_uuid:
             raise SpaceLaunchError('Launch assertion instance UUID does not match this Core')
-        if _required_string(claims, 'kind') != LAUNCH_KIND:
+        kind = _required_string(claims, 'kind')
-            raise SpaceLaunchError('Launch assertion kind is not workspace.launch')
+        if kind not in {LAUNCH_KIND, SUPPORT_ADMIN_LAUNCH_KIND}:
+            raise SpaceLaunchError('Launch assertion kind is not supported')
 
         issued_at = _required_int(claims, 'iat')
         not_before = _required_int(claims, 'nbf')

src/langbot/pkg/cloud/support_admin.py

@@ -0,0 +1,248 @@
+from __future__ import annotations
+
+import dataclasses
+import datetime
+import hashlib
+import re
+import time
+import typing
+
+import jwt
+from sqlalchemy.exc import IntegrityError
+
+from ..entity.persistence.support_admin import SupportAdminTemporarySession
+from ..workspace.errors import WorkspaceError
+
+if typing.TYPE_CHECKING:
+    from ..core.app import Application
+
+
+SUPPORT_ADMIN_TOKEN_TYP = 'langbot-support-admin+jwt'
+SUPPORT_ADMIN_TOKEN_KIND = 'support_admin.session'
+SUPPORT_ADMIN_EFFECTIVE_ROLE = 'owner'
+SUPPORT_ADMIN_MAX_TOKEN_SECONDS = 300
+_SHA256_HEX = re.compile(r'^[0-9a-f]{64}$')
+
+
+class SupportAdminSessionError(ValueError):
+    """Raised when a support-admin session or token is not admissible."""
+
+
+class SupportAdminReplayError(SupportAdminSessionError):
+    """Raised when a launch grant JTI has already been consumed."""
+
+
+@dataclasses.dataclass(frozen=True, slots=True)
+class IssuedSupportAdminSession:
+    token: str
+    grant_jti_hash: str
+    workspace_uuid: str
+    actor_account_uuid: str
+    issued_at: datetime.datetime
+    expires_at: datetime.datetime
+
+
+@dataclasses.dataclass(frozen=True, slots=True)
+class SupportAdminSessionIdentity:
+    grant_jti_hash: str
+    workspace_uuid: str
+    actor_account_uuid: str
+    instance_uuid: str
+    placement_generation: int
+
+
+def hash_grant_jti(jti: str) -> str:
+    return hashlib.sha256(jti.encode('utf-8')).hexdigest()
+
+
+class SupportAdminSessionService:
+    """Issue and validate temporary Workspace-scoped support-admin sessions."""
+
+    def __init__(
+        self,
+        ap: Application,
+        *,
+        wall_time: typing.Callable[[], float] = time.time,
+    ) -> None:
+        self.ap = ap
+        self._wall_time = wall_time
+
+    async def consume_launch_grant(
+        self,
+        *,
+        grant_jti_hash: str,
+        workspace_uuid: str,
+        actor_account_uuid: str,
+    ) -> IssuedSupportAdminSession:
+        self._validate_grant_hash(grant_jti_hash)
+        if not workspace_uuid or not actor_account_uuid:
+            raise SupportAdminSessionError('Support admin session requires an actor and Workspace')
+
+        issued_at = self._utcnow()
+        expires_at = issued_at + datetime.timedelta(seconds=SUPPORT_ADMIN_MAX_TOKEN_SECONDS)
+        tenant_uow = getattr(self.ap.persistence_mgr, 'tenant_uow', None)
+        if not callable(tenant_uow):
+            raise SupportAdminSessionError('Support admin sessions require tenant persistence')
+
+        try:
+            async with tenant_uow(workspace_uuid) as uow:
+                await self.ap.workspace_service.get_execution_binding(workspace_uuid, session=uow.session)
+                uow.session.add(
+                    SupportAdminTemporarySession(
+                        grant_jti_hash=grant_jti_hash,
+                        workspace_uuid=workspace_uuid,
+                        actor_account_uuid=actor_account_uuid,
+                        issued_at=issued_at,
+                        expires_at=expires_at,
+                    )
+                )
+                await uow.session.flush()
+        except IntegrityError as exc:
+            raise SupportAdminReplayError('Launch assertion has already been consumed') from exc
+        except WorkspaceError as exc:
+            raise SupportAdminSessionError('Workspace is unavailable for support access') from exc
+
+        return IssuedSupportAdminSession(
+            token=self._encode_token(
+                grant_jti_hash=grant_jti_hash,
+                workspace_uuid=workspace_uuid,
+                actor_account_uuid=actor_account_uuid,
+                issued_at=issued_at,
+                expires_at=expires_at,
+            ),
+            grant_jti_hash=grant_jti_hash,
+            workspace_uuid=workspace_uuid,
+            actor_account_uuid=actor_account_uuid,
+            issued_at=issued_at,
+            expires_at=expires_at,
+        )
+
+    def is_support_admin_token(self, token: str) -> bool:
+        """Return True only for compact JWTs marked as support-admin tokens."""
+
+        if not isinstance(token, str) or token.count('.') != 2:
+            return False
+        try:
+            header = jwt.get_unverified_header(token)
+        except jwt.PyJWTError:
+            return False
+        if header.get('typ') == SUPPORT_ADMIN_TOKEN_TYP:
+            return True
+        try:
+            payload = jwt.decode(token, options={'verify_signature': False})
+        except jwt.PyJWTError:
+            return False
+        return payload.get('kind') == SUPPORT_ADMIN_TOKEN_KIND
+
+    async def authenticate_token(
+        self,
+        token: str,
+        *,
+        requested_workspace_uuid: str | None,
+    ) -> SupportAdminSessionIdentity:
+        if not self.is_support_admin_token(token):
+            raise SupportAdminSessionError('Not a support admin token')
+        workspace_uuid = (requested_workspace_uuid or '').strip()
+        if not workspace_uuid:
+            raise SupportAdminSessionError('Support admin token requires an explicit Workspace selector')
+
+        jwt_secret = self.ap.instance_config.data['system']['jwt']['secret']
+        try:
+            payload = jwt.decode(
+                token,
+                jwt_secret,
+                algorithms=['HS256'],
+                issuer='langbot-core',
+                audience=self._audience(workspace_uuid),
+                options={'require': ['exp', 'iat', 'nbf', 'iss', 'aud']},
+            )
+        except jwt.PyJWTError as exc:
+            raise SupportAdminSessionError('Invalid support admin token') from exc
+        self._validate_payload(payload, workspace_uuid)
+        grant_jti_hash = payload['grant_jti_hash']
+        actor_account_uuid = payload['actor_account_uuid']
+
+        tenant_uow = getattr(self.ap.persistence_mgr, 'tenant_uow', None)
+        if not callable(tenant_uow):
+            raise SupportAdminSessionError('Support admin sessions require tenant persistence')
+
+        now = self._utcnow()
+        async with tenant_uow(workspace_uuid) as uow:
+            session = await uow.session.get(SupportAdminTemporarySession, grant_jti_hash)
+            if (
+                session is None
+                or session.workspace_uuid != workspace_uuid
+                or session.actor_account_uuid != actor_account_uuid
+                or session.revoked_at is not None
+                or session.expires_at <= now
+            ):
+                raise SupportAdminSessionError('Support admin session is inactive')
+            binding = await self.ap.workspace_service.get_execution_binding(workspace_uuid, session=uow.session)
+            session.last_used_at = now
+            await uow.session.flush()
+
+        return SupportAdminSessionIdentity(
+            grant_jti_hash=grant_jti_hash,
+            workspace_uuid=workspace_uuid,
+            actor_account_uuid=actor_account_uuid,
+            instance_uuid=binding.instance_uuid,
+            placement_generation=binding.placement_generation,
+        )
+
+    async def revoke_session(self, grant_jti_hash: str, workspace_uuid: str) -> None:
+        self._validate_grant_hash(grant_jti_hash)
+        now = self._utcnow()
+        async with self.ap.persistence_mgr.tenant_uow(workspace_uuid) as uow:
+            row = await uow.session.get(SupportAdminTemporarySession, grant_jti_hash)
+            if row is not None and row.revoked_at is None:
+                row.revoked_at = now
+
+    def _encode_token(
+        self,
+        *,
+        grant_jti_hash: str,
+        workspace_uuid: str,
+        actor_account_uuid: str,
+        issued_at: datetime.datetime,
+        expires_at: datetime.datetime,
+    ) -> str:
+        jwt_secret = self.ap.instance_config.data['system']['jwt']['secret']
+        payload: dict[str, typing.Any] = {
+            'kind': SUPPORT_ADMIN_TOKEN_KIND,
+            'iss': 'langbot-core',
+            'aud': self._audience(workspace_uuid),
+            'sub': f'support-admin:{actor_account_uuid}',
+            'iat': issued_at,
+            'nbf': issued_at,
+            'exp': expires_at,
+            'actor_account_uuid': actor_account_uuid,
+            'workspace_uuid': workspace_uuid,
+            'effective_role': SUPPORT_ADMIN_EFFECTIVE_ROLE,
+            'grant_jti_hash': grant_jti_hash,
+        }
+        return jwt.encode(payload, jwt_secret, algorithm='HS256', headers={'typ': SUPPORT_ADMIN_TOKEN_TYP})
+
+    def _validate_payload(self, payload: dict[str, typing.Any], workspace_uuid: str) -> None:
+        if payload.get('kind') != SUPPORT_ADMIN_TOKEN_KIND:
+            raise SupportAdminSessionError('Invalid support admin token kind')
+        if payload.get('workspace_uuid') != workspace_uuid:
+            raise SupportAdminSessionError('Support admin session is scoped to another Workspace')
+        if payload.get('effective_role') != SUPPORT_ADMIN_EFFECTIVE_ROLE:
+            raise SupportAdminSessionError('Invalid support admin token role')
+        actor_account_uuid = payload.get('actor_account_uuid')
+        if not isinstance(actor_account_uuid, str) or not actor_account_uuid.strip():
+            raise SupportAdminSessionError('Invalid support admin actor')
+        grant_jti_hash = payload.get('grant_jti_hash')
+        if not isinstance(grant_jti_hash, str) or not _SHA256_HEX.match(grant_jti_hash):
+            raise SupportAdminSessionError('Invalid support admin grant')
+
+    def _audience(self, workspace_uuid: str) -> str:
+        return f'langbot-support-admin:{self.ap.workspace_service.instance_uuid}:{workspace_uuid}'
+
+    @staticmethod
+    def _validate_grant_hash(grant_jti_hash: str) -> None:
+        if not _SHA256_HEX.match(grant_jti_hash):
+            raise SupportAdminSessionError('Invalid support admin grant')
+
+    def _utcnow(self) -> datetime.datetime:
+        return datetime.datetime.fromtimestamp(self._wall_time(), datetime.UTC).replace(tzinfo=None)

src/langbot/pkg/core/app.py

@@ -53,6 +53,7 @@ from ..workspace import collaboration as workspace_collaboration_module
 from ..workspace import invitation_delivery as invitation_delivery_module
 from ..cloud import bootstrap as cloud_bootstrap_module
 from ..cloud import launch as cloud_launch_module
+from ..cloud import support_admin as cloud_support_admin_module
 from ..cloud import directory_projection as cloud_directory_projection_module
 from ..cloud import entitlements as cloud_entitlements_module
 from ..api.http.context import ExecutionContext, PrincipalContext, PrincipalType
@@ -141,6 +142,8 @@ class Application:
 
     space_launch_service: cloud_launch_module.SpaceLaunchService = None
 
+    support_admin_session_service: cloud_support_admin_module.SupportAdminSessionService = None
+
     deployment: cloud_bootstrap_module.OpenSourceDeployment | cloud_bootstrap_module.VerifiedCloudDeployment = None
 
     deployment_admission: cloud_bootstrap_module.DeploymentAdmissionGuard = None

src/langbot/pkg/core/stages/build_app.py

@@ -44,6 +44,7 @@ from ...workspace import collaboration as workspace_collaboration_module
 from ...workspace import invitation_delivery as invitation_delivery_module
 from ...cloud import bootstrap as cloud_bootstrap
 from ...cloud import launch as cloud_launch_module
+from ...cloud import support_admin as cloud_support_admin_module
 from ...cloud.directory import directory_projection_limits_from_config
 from ...cloud.directory_projection import DirectoryProjectionService
 from ...cloud.entitlements import EntitlementResolver
@@ -185,6 +186,7 @@ class BuildAppStage(stage.BootingStage):
             workspace_service_inst,
         )
         ap.invitation_delivery_service = invitation_delivery_module.InvitationDeliveryService(ap)
+        ap.support_admin_session_service = cloud_support_admin_module.SupportAdminSessionService(ap)
         ap.space_launch_service = cloud_launch_module.SpaceLaunchService(ap)
 
         user_service_inst = user_service.UserService(ap)

src/langbot/pkg/entity/persistence/support_admin.py

@@ -0,0 +1,35 @@
+from __future__ import annotations
+
+import sqlalchemy
+
+from .base import Base
+
+
+class SupportAdminTemporarySession(Base):
+    """Temporary support-admin Workspace access session."""
+
+    __tablename__ = 'support_admin_temporary_sessions'
+
+    grant_jti_hash = sqlalchemy.Column(sqlalchemy.String(64), primary_key=True)
+    workspace_uuid = sqlalchemy.Column(
+        sqlalchemy.String(36),
+        sqlalchemy.ForeignKey('workspaces.uuid', ondelete='CASCADE'),
+        nullable=False,
+    )
+    actor_account_uuid = sqlalchemy.Column(sqlalchemy.String(36), nullable=False)
+    issued_at = sqlalchemy.Column(sqlalchemy.DateTime, nullable=False)
+    expires_at = sqlalchemy.Column(sqlalchemy.DateTime, nullable=False)
+    revoked_at = sqlalchemy.Column(sqlalchemy.DateTime, nullable=True)
+    last_used_at = sqlalchemy.Column(sqlalchemy.DateTime, nullable=True)
+
+    __table_args__ = (
+        sqlalchemy.Index(
+            'ix_support_admin_sessions_workspace_expiry',
+            'workspace_uuid',
+            'expires_at',
+        ),
+        sqlalchemy.CheckConstraint(
+            'length(grant_jti_hash) = 64',
+            name='ck_support_admin_sessions_grant_jti_hash',
+        ),
+    )

src/langbot/pkg/persistence/alembic/versions/0009_workspace_tenancy_kernel.py

@@ -18,6 +18,17 @@ down_revision = '0008_mcp_resource_prefs'
 branch_labels = None
 depends_on = None
 
+_WORKSPACE_IDENTITY_NAMESPACE = uuid.UUID('8ea04f29-8528-4cc3-bb28-30a838c89d76')
+
+
+def _workspace_uuid_from_instance_id(instance_id: str) -> str:
+    value = instance_id.strip()
+    candidate = value[len('instance_') :] if value.startswith('instance_') else value
+    try:
+        return str(uuid.UUID(candidate))
+    except ValueError:
+        return str(uuid.uuid5(_WORKSPACE_IDENTITY_NAMESPACE, value))
+
 
 def _table_names(conn: sa.Connection) -> set[str]:
     return set(sa.inspect(conn).get_table_names())
@@ -403,7 +414,7 @@ def _bootstrap_default_workspace(conn: sa.Connection) -> None:
                 .values(created_by_account_uuid=owner_account_uuid)
             )
     else:
-        workspace_uuid = str(uuid.uuid4())
+        workspace_uuid = _workspace_uuid_from_instance_id(instance_uuid)
         conn.execute(
             workspaces.insert().values(
                 uuid=workspace_uuid,

src/langbot/pkg/persistence/alembic/versions/0016_support_admin_sessions.py

@@ -0,0 +1,88 @@
+"""add temporary support-admin sessions
+
+Revision ID: 0016_support_admin_sessions
+Revises: 0015_cloud_core_collab
+Create Date: 2026-07-31
+"""
+
+from __future__ import annotations
+
+import sqlalchemy as sa
+from alembic import op
+
+
+revision = '0016_support_admin_sessions'
+down_revision = '0015_cloud_core_collab'
+branch_labels = None
+depends_on = None
+
+
+_TABLE_NAME = 'support_admin_temporary_sessions'
+_POLICY_NAME = 'langbot_workspace_isolation'
+_TENANT_SETTING = 'langbot.workspace_uuid'
+
+
+def _setting(name: str) -> str:
+    return f"NULLIF(current_setting('{name}', true), '')"
+
+
+def _quote(conn: sa.Connection, identifier: str) -> str:
+    return conn.dialect.identifier_preparer.quote(identifier)
+
+
+def upgrade() -> None:
+    conn = op.get_bind()
+    existing_tables = set(sa.inspect(conn).get_table_names())
+    if _TABLE_NAME not in existing_tables:
+        op.create_table(
+            _TABLE_NAME,
+            sa.Column('grant_jti_hash', sa.String(64), nullable=False),
+            sa.Column(
+                'workspace_uuid',
+                sa.String(36),
+                sa.ForeignKey('workspaces.uuid', ondelete='CASCADE'),
+                nullable=False,
+            ),
+            sa.Column('actor_account_uuid', sa.String(36), nullable=False),
+            sa.Column('issued_at', sa.DateTime(), nullable=False),
+            sa.Column('expires_at', sa.DateTime(), nullable=False),
+            sa.Column('revoked_at', sa.DateTime(), nullable=True),
+            sa.Column('last_used_at', sa.DateTime(), nullable=True),
+            sa.CheckConstraint(
+                'length(grant_jti_hash) = 64',
+                name='ck_support_admin_sessions_grant_jti_hash',
+            ),
+            sa.PrimaryKeyConstraint('grant_jti_hash'),
+        )
+        op.create_index(
+            'ix_support_admin_sessions_workspace_expiry',
+            _TABLE_NAME,
+            ['workspace_uuid', 'expires_at'],
+            unique=False,
+        )
+
+    if conn.dialect.name != 'postgresql':
+        return
+
+    table = _quote(conn, _TABLE_NAME)
+    policy = _quote(conn, _POLICY_NAME)
+    expression = f'workspace_uuid::text = {_setting(_TENANT_SETTING)}'
+    op.execute(sa.text(f'ALTER TABLE {table} ENABLE ROW LEVEL SECURITY'))
+    op.execute(sa.text(f'ALTER TABLE {table} FORCE ROW LEVEL SECURITY'))
+    op.execute(sa.text(f'DROP POLICY IF EXISTS {policy} ON {table}'))
+    op.execute(
+        sa.text(
+            f'CREATE POLICY {policy} ON {table} AS PERMISSIVE FOR ALL TO PUBLIC '
+            f'USING ({expression}) WITH CHECK ({expression})'
+        )
+    )
+
+
+def downgrade() -> None:
+    conn = op.get_bind()
+    if conn.dialect.name == 'postgresql':
+        table = _quote(conn, _TABLE_NAME)
+        policy = _quote(conn, _POLICY_NAME)
+        op.execute(sa.text(f'DROP POLICY IF EXISTS {policy} ON {table}'))
+    op.drop_index('ix_support_admin_sessions_workspace_expiry', table_name=_TABLE_NAME)
+    op.drop_table(_TABLE_NAME)

src/langbot/pkg/persistence/alembic/versions/0017_oss_workspace_identity.py

@@ -0,0 +1,167 @@
+"""align the OSS Workspace UUID with the persisted instance identity
+
+Revision ID: 0017_oss_workspace_identity
+Revises: 0016_support_admin_sessions
+Create Date: 2026-07-31
+"""
+
+from __future__ import annotations
+
+import uuid
+
+import sqlalchemy as sa
+from alembic import op
+
+
+revision = '0017_oss_workspace_identity'
+down_revision = '0016_support_admin_sessions'
+branch_labels = None
+depends_on = None
+
+_WORKSPACE_IDENTITY_NAMESPACE = uuid.UUID('8ea04f29-8528-4cc3-bb28-30a838c89d76')
+_OSS_WORKSPACE_METADATA_KEY = 'oss_workspace_uuid'
+
+
+def _workspace_uuid_from_instance_id(instance_id: str) -> str:
+    value = instance_id.strip()
+    candidate = value[len('instance_') :] if value.startswith('instance_') else value
+    try:
+        return str(uuid.UUID(candidate))
+    except ValueError:
+        return str(uuid.uuid5(_WORKSPACE_IDENTITY_NAMESPACE, value))
+
+
+def _quote(conn: sa.Connection, identifier: str) -> str:
+    return conn.dialect.identifier_preparer.quote(identifier)
+
+
+def _defer_foreign_keys(conn: sa.Connection, inspector: sa.Inspector, table_names: list[str]) -> None:
+    """Allow the transaction to re-key a connected tenant graph atomically."""
+
+    if conn.dialect.name == 'sqlite':
+        conn.execute(sa.text('PRAGMA defer_foreign_keys = ON'))
+        return
+    if conn.dialect.name != 'postgresql':
+        raise RuntimeError(f'Unsupported Workspace identity migration dialect: {conn.dialect.name}')
+
+    for table_name in table_names:
+        for foreign_key in inspector.get_foreign_keys(table_name):
+            constraint_name = foreign_key.get('name')
+            if not constraint_name:
+                continue
+            conn.execute(
+                sa.text(
+                    f'ALTER TABLE {_quote(conn, table_name)} '
+                    f'ALTER CONSTRAINT {_quote(conn, constraint_name)} DEFERRABLE INITIALLY DEFERRED'
+                )
+            )
+
+
+def _suspend_postgres_rls(
+    conn: sa.Connection,
+    table_names: list[str],
+) -> dict[str, tuple[bool, bool]]:
+    if conn.dialect.name != 'postgresql':
+        return {}
+
+    states: dict[str, tuple[bool, bool]] = {}
+    for table_name in table_names:
+        row = conn.execute(
+            sa.text('SELECT relrowsecurity, relforcerowsecurity FROM pg_class WHERE oid = to_regclass(:table_name)'),
+            {'table_name': table_name},
+        ).one()
+        enabled, forced = bool(row.relrowsecurity), bool(row.relforcerowsecurity)
+        states[table_name] = (enabled, forced)
+        table = _quote(conn, table_name)
+        if forced:
+            conn.execute(sa.text(f'ALTER TABLE {table} NO FORCE ROW LEVEL SECURITY'))
+        if enabled:
+            conn.execute(sa.text(f'ALTER TABLE {table} DISABLE ROW LEVEL SECURITY'))
+    return states
+
+
+def _restore_postgres_rls(conn: sa.Connection, states: dict[str, tuple[bool, bool]]) -> None:
+    for table_name, (enabled, forced) in states.items():
+        table = _quote(conn, table_name)
+        if enabled:
+            conn.execute(sa.text(f'ALTER TABLE {table} ENABLE ROW LEVEL SECURITY'))
+        if forced:
+            conn.execute(sa.text(f'ALTER TABLE {table} FORCE ROW LEVEL SECURITY'))
+
+
+def upgrade() -> None:
+    conn = op.get_bind()
+    inspector = sa.inspect(conn)
+    table_names = inspector.get_table_names()
+    if 'workspaces' not in table_names:
+        return
+
+    metadata = sa.MetaData()
+    workspaces = sa.Table('workspaces', metadata, autoload_with=conn)
+    local_rows = conn.execute(sa.select(workspaces).where(workspaces.c.source == 'local')).mappings().all()
+    if not local_rows:
+        return
+    if len(local_rows) != 1:
+        raise RuntimeError('Cannot align OSS Workspace identity: expected exactly one local Workspace')
+
+    old_row = dict(local_rows[0])
+    old_uuid = old_row['uuid']
+    canonical_uuid = _workspace_uuid_from_instance_id(old_row['instance_uuid'])
+    if old_uuid == canonical_uuid:
+        return
+    if conn.execute(sa.select(workspaces.c.uuid).where(workspaces.c.uuid == canonical_uuid)).scalar_one_or_none():
+        raise RuntimeError(f'Cannot align OSS Workspace identity: target {canonical_uuid!r} already exists')
+
+    tenant_tables = [
+        table_name
+        for table_name in table_names
+        if table_name == 'workspaces'
+        or 'workspace_uuid' in {column['name'] for column in inspector.get_columns(table_name)}
+    ]
+    rls_states = _suspend_postgres_rls(conn, tenant_tables)
+    try:
+        _defer_foreign_keys(conn, inspector, table_names)
+
+        # Release local source/slug uniqueness while the canonical parent exists
+        # alongside the old parent for the duration of this transaction.
+        temporary_slug = f'__workspace_rekey__{old_uuid}'
+        conn.execute(
+            workspaces.update()
+            .where(workspaces.c.uuid == old_uuid)
+            .values(source='cloud_projection', slug=temporary_slug)
+        )
+        new_row = dict(old_row)
+        new_row['uuid'] = canonical_uuid
+        conn.execute(workspaces.insert().values(**new_row))
+
+        for table_name in tenant_tables:
+            if table_name == 'workspaces':
+                continue
+            table = sa.Table(table_name, metadata, autoload_with=conn, extend_existing=True)
+            conn.execute(table.update().where(table.c.workspace_uuid == old_uuid).values(workspace_uuid=canonical_uuid))
+
+        if 'metadata' in table_names:
+            conn.execute(
+                sa.text('UPDATE metadata SET value = :canonical_uuid WHERE key = :key AND value = :old_uuid'),
+                {
+                    'canonical_uuid': canonical_uuid,
+                    'key': _OSS_WORKSPACE_METADATA_KEY,
+                    'old_uuid': old_uuid,
+                },
+            )
+        conn.execute(workspaces.delete().where(workspaces.c.uuid == old_uuid))
+        if conn.dialect.name == 'postgresql':
+            # Fire deferred FK triggers before ALTER TABLE restores RLS; PostgreSQL
+            # rejects ALTER TABLE while a relation has pending trigger events.
+            conn.execute(sa.text('SET CONSTRAINTS ALL IMMEDIATE'))
+    except Exception:
+        # Alembic owns the transaction. Rollback restores the transactional RLS DDL.
+        raise
+    else:
+        _restore_postgres_rls(conn, rls_states)
+
+
+def downgrade() -> None:
+    # The previous random UUID is intentionally not recoverable. Keeping the
+    # canonical identity preserves every FK and is safe for older application code.
+    pass

src/langbot/pkg/persistence/alembic/versions/0018_repair_local_workspace_owner.py

@@ -1,7 +1,7 @@
 """repair an ownerless local Workspace after tenancy migration
 
-Revision ID: 0017_local_owner_repair
+Revision ID: 0018_local_owner_repair
-Revises: 0016_agent_workspace
+Revises: 0016_agent_workspace, 0017_oss_workspace_identity
 Create Date: 2026-07-31
 """
 
@@ -14,8 +14,8 @@ import sqlalchemy as sa
 from alembic import op
 
 
-revision = '0017_local_owner_repair'
+revision = '0018_local_owner_repair'
-down_revision = '0016_agent_workspace'
+down_revision = ('0016_agent_workspace', '0017_oss_workspace_identity')
 branch_labels = None
 depends_on = None
 

src/langbot/pkg/persistence/mgr.py

@@ -53,6 +53,7 @@ _ALEMBIC_TENANT_TABLES = {
     'workspace_memberships',
     'workspace_invitations',
     'workspace_execution_states',
+    'support_admin_temporary_sessions',
     'workspace_metadata',
     'api_keys',
     'agents',

src/langbot/pkg/persistence/tenant_uow.py

@@ -43,6 +43,7 @@ TENANT_TABLE_COLUMNS: dict[str, str] = {
     'workspace_memberships': 'workspace_uuid',
     'workspace_invitations': 'workspace_uuid',
     'workspace_execution_states': 'workspace_uuid',
+    'support_admin_temporary_sessions': 'workspace_uuid',
     'workspace_metadata': 'workspace_uuid',
     'api_keys': 'workspace_uuid',
     'agents': 'workspace_uuid',

src/langbot/pkg/pipeline/process/handlers/chat.py

@@ -16,6 +16,7 @@ from ....agent.runner.config_resolver import RunnerConfigResolver
 from ....agent.runner import config_schema
 from ....utils import constants, runner as runner_utils
 from ....telemetry import features as telemetry_features
+from ....telemetry.identity import workspace_identity
 import langbot_plugin.api.entities.builtin.provider.session as provider_session
 import langbot_plugin.api.entities.builtin.pipeline.query as pipeline_query
 import langbot_plugin.api.entities.builtin.provider.message as provider_message
@@ -303,7 +304,8 @@ class ChatMessageHandler(handler.MessageHandler):
                         'duration_ms': duration_ms,
                         'model_name': model_name,
                         'version': constants.semantic_version,
-                        'instance_id': constants.instance_id,
+                        **workspace_identity(get_query_execution_context(query)),
+                        'runtime_instance_id': constants.instance_id,
                         'edition': constants.edition,
                         'pipeline_plugins': pipeline_plugins,
                         'features': features,

src/langbot/pkg/platform/sources/telegram.py

@@ -179,10 +179,13 @@ class TelegramMessageConverter(abstract_platform_adapter.AbstractMessageConverte
                 )
                 file_format = 'image/jpeg'
 
+            # NOTE: Telegram's file.file_path is a full URL of the form
+            # https://api.telegram.org/file/bot<TOKEN>/<path> which embeds the
+            # bot token. Unlike the public CDN URLs used by other adapters, it
+            # cannot be exposed safely, so only base64 is stored here.
             encoded = await asyncio.to_thread(base64.b64encode, file_bytes)
             message_components.append(
                 platform_message.Image(
-                    url=file.file_path,
                     base64=f'data:{file_format};base64,{encoded.decode("utf-8")}',
                 )
             )

src/langbot/pkg/platform/sources/websocket_manager.py

@@ -9,7 +9,7 @@ from datetime import datetime
 
 import pydantic
 
-from ...api.http.context import ExecutionContext
+from ...api.http.context import ExecutionContext, PrincipalContext
 
 logger = logging.getLogger(__name__)
 _SESSION_FILTER_UNSET = object()
@@ -95,6 +95,9 @@ class WebSocketConnection(pydantic.BaseModel):
     metadata: dict = pydantic.Field(default_factory=dict)
     """连接元数据（可存储额外信息）"""
 
+    trigger_principal: PrincipalContext | None = None
+    """Authenticated principal that opened this dashboard connection."""
+
     @property
     def scope(self) -> WebSocketScope:
         return WebSocketScope(
@@ -112,6 +115,7 @@ class WebSocketConnection(pydantic.BaseModel):
             workspace_uuid=self.workspace_uuid,
             placement_generation=self.placement_generation,
             pipeline_uuid=self.pipeline_uuid,
+            trigger_principal=self.trigger_principal,
         )
 
 
@@ -138,6 +142,7 @@ class WebSocketConnectionManager:
         pipeline_uuid: str,
         session_type: str,
         metadata: dict | None = None,
+        trigger_principal: PrincipalContext | None = None,
         session_id: str | None = None,
         send_queue_size: int = _DEFAULT_SEND_QUEUE_SIZE,
         max_connections: int = 1024,
@@ -174,6 +179,7 @@ class WebSocketConnectionManager:
                 session_id=session_id,
                 websocket=websocket,
                 metadata=metadata or {},
+                trigger_principal=trigger_principal,
                 send_queue=asyncio.Queue(maxsize=send_queue_size),
             )
 

src/langbot/pkg/telemetry/heartbeat.py

@@ -27,6 +27,19 @@ if typing.TYPE_CHECKING:
 HEARTBEAT_INTERVAL_SECONDS = 24 * 3600
 
 
+class WorkspaceResourceSnapshot(typing.TypedDict):
+    workspace_uuid: str
+    bot_count: int
+    pipeline_count: int
+    knowledge_base_count: int
+    plugin_count: int
+    mcp_server_count: int
+    extension_count: int
+    skill_count: int
+    adapters: list[str]
+    execution_generation: int
+
+
 async def _count(
     ap: core_app.Application,
     table,
@@ -52,8 +65,64 @@ async def _count(
         return -1
 
 
-async def build_heartbeat_payload(ap: core_app.Application) -> dict:
+async def _cloud_workspace_resource_counts(ap: core_app.Application, bindings) -> list[WorkspaceResourceSnapshot]:
-    """Collect the anonymous instance profile snapshot."""
+    """Summarize already-loaded Cloud registries without per-tenant SQL."""
+    persistence_mgr = ap.persistence_mgr
+    if getattr(getattr(persistence_mgr, 'mode', None), 'value', None) != 'cloud_runtime':
+        return []
+
+    counts: dict[str, WorkspaceResourceSnapshot] = {
+        binding.workspace_uuid: {
+            'workspace_uuid': binding.workspace_uuid,
+            'bot_count': 0,
+            'pipeline_count': 0,
+            'knowledge_base_count': 0,
+            'plugin_count': 0,
+            'mcp_server_count': 0,
+            'extension_count': 0,
+            'skill_count': 0,
+            'adapters': [],
+            'execution_generation': binding.placement_generation,
+        }
+        for binding in bindings
+    }
+
+    adapter_sets: dict[str, set[str]] = {workspace_uuid: set() for workspace_uuid in counts}
+    for key, bot in getattr(ap.platform_mgr, '_bots_by_key', {}).items():
+        if len(key) >= 2 and key[1] in counts:
+            counts[key[1]]['bot_count'] += 1
+            adapter = getattr(bot, 'adapter', None)
+            if adapter is not None and getattr(bot, 'enable', False):
+                adapter_sets[key[1]].add(adapter.__class__.__name__)
+    for key in getattr(ap.pipeline_mgr, '_pipelines_by_key', {}):
+        if len(key) >= 2 and key[1] in counts:
+            counts[key[1]]['pipeline_count'] += 1
+    for key in getattr(ap.rag_mgr, 'knowledge_bases', {}):
+        if len(key) >= 1 and key[0] in counts:
+            counts[key[0]]['knowledge_base_count'] += 1
+    for key in getattr(ap.tool_mgr.mcp_tool_loader, '_sessions', {}):
+        if len(key) >= 2 and key[1] in counts:
+            counts[key[1]]['mcp_server_count'] += 1
+    for workspace_uuid, installations in getattr(ap.plugin_connector, '_workspace_installations', {}).items():
+        if workspace_uuid in counts:
+            counts[workspace_uuid]['plugin_count'] = len(installations)
+    for key, skills in getattr(ap.skill_mgr, '_skills_by_scope', {}).items():
+        if len(key) >= 2 and key[1] in counts:
+            counts[key[1]]['skill_count'] += len(skills)
+
+    for workspace_uuid, resource in counts.items():
+        resource['extension_count'] = resource['plugin_count'] + resource['mcp_server_count']
+        resource['adapters'] = sorted(adapter_sets[workspace_uuid])
+    return list(counts.values())
+
+
+async def build_heartbeat_payload(
+    ap: core_app.Application,
+    *,
+    workspace_uuid: str,
+    workspace_resource: WorkspaceResourceSnapshot | None = None,
+) -> dict:
+    """Collect one anonymous Workspace profile snapshot."""
     from ..entity.persistence import bot as persistence_bot
     from ..entity.persistence import mcp as persistence_mcp
     from ..entity.persistence import pipeline as persistence_pipeline
@@ -136,11 +205,14 @@ async def build_heartbeat_payload(ap: core_app.Application) -> dict:
     except Exception:
         pass
 
+    if workspace_resource is not None:
+        features.update({key: value for key, value in workspace_resource.items() if key != 'workspace_uuid'})
+
     return {
         'event_type': 'instance_heartbeat',
         'query_id': '',
         'version': constants.semantic_version,
-        'instance_id': constants.instance_id,
+        'workspace_uuid': workspace_uuid,
         'instance_create_ts': constants.instance_create_ts,
         'edition': constants.edition,
         'features': features,
@@ -148,14 +220,34 @@ async def build_heartbeat_payload(ap: core_app.Application) -> dict:
     }
 
 
+async def build_heartbeat_payloads(ap: core_app.Application) -> list[dict]:
+    """Build one heartbeat per active Workspace."""
+    bindings = await ap.workspace_service.list_active_execution_bindings()
+    workspace_uuids = sorted({binding.workspace_uuid for binding in bindings})
+    resources = {
+        resource['workspace_uuid']: resource for resource in await _cloud_workspace_resource_counts(ap, bindings)
+    }
+    return [
+        await build_heartbeat_payload(
+            ap,
+            workspace_uuid=workspace_uuid,
+            workspace_resource=resources.get(workspace_uuid),
+        )
+        for workspace_uuid in workspace_uuids
+    ]
+
+
 async def heartbeat_loop(ap: core_app.Application) -> None:
     """Send one heartbeat shortly after startup, then daily."""
     # Small delay so managers (platform, skills, plugins) finish loading first
     await asyncio.sleep(30)
     while True:
         try:
-            payload = await build_heartbeat_payload(ap)
+            for payload in await build_heartbeat_payloads(ap):
-            await ap.telemetry.start_send_task(payload)
+                # Heartbeats are a daily bounded batch, not best-effort query events.
+                # Await each send so the TelemetryManager's 8-task queue cannot drop
+                # Workspaces after the first batch.
+                await ap.telemetry.send(payload)
         except Exception as e:
             try:
                 ap.logger.debug(f'Telemetry heartbeat failed: {e}')

src/langbot/pkg/telemetry/identity.py

@@ -0,0 +1,16 @@
+from __future__ import annotations
+
+import typing
+
+
+class WorkspaceExecutionContext(typing.Protocol):
+    @property
+    def workspace_uuid(self) -> str: ...
+
+
+def workspace_identity(execution_context: WorkspaceExecutionContext) -> dict[str, str]:
+    """Build the canonical telemetry identity for one Workspace execution."""
+    workspace_uuid = execution_context.workspace_uuid.strip()
+    if not workspace_uuid:
+        raise ValueError('Telemetry execution Workspace UUID is empty')
+    return {'workspace_uuid': workspace_uuid}

src/langbot/pkg/telemetry/telemetry.py

@@ -2,7 +2,11 @@ from __future__ import annotations
 
 import asyncio
 import contextlib
+import os
+import typing
+
 import httpx
+
 from ..core import app as core_app
 from ..utils import httpclient
 
@@ -21,7 +25,7 @@ class TelemetryManager:
     def __init__(self, ap: core_app.Application):
         self.ap = ap
 
-        self.telemetry_config = {}
+        self.telemetry_config: dict[str, typing.Any] = {}
         self.send_tasks: list[asyncio.Task] = []
         self._client: httpx.AsyncClient | None = None
 
@@ -131,7 +135,16 @@ class TelemetryManager:
                 async with self._client_context() as client:
                     try:
                         # Use asyncio.wait_for to ensure we always bound the total time
-                        resp = await asyncio.wait_for(client.post(url, json=sanitized), timeout=10 + 1)
+                        telemetry_token = os.getenv('LANGBOT_TELEMETRY_INGEST_TOKEN', '').strip()
+                        if telemetry_token:
+                            request = client.post(
+                                url,
+                                json=sanitized,
+                                headers={'X-LangBot-Telemetry-Token': telemetry_token},
+                            )
+                        else:
+                            request = client.post(url, json=sanitized)
+                        resp = await asyncio.wait_for(request, timeout=10 + 1)
 
                         if resp.status_code >= 400:
                             body = await httpclient.response_text(resp, max_chars=200)
@@ -143,7 +156,8 @@ class TelemetryManager:
                             app_err = False
                             try:
                                 j = await httpclient.parse_json_response(resp)
-                                if isinstance(j, dict) and j.get('code') is not None and int(j.get('code')) >= 400:
+                                app_code = j.get('code') if isinstance(j, dict) else None
+                                if app_code is not None and int(app_code) >= 400:
                                     app_err = True
                                     self.ap.logger.warning(
                                         f'Telemetry post to {url} returned application error code {j.get("code")} - {j.get("msg")}'

src/langbot/pkg/workspace/identity.py

@@ -0,0 +1,20 @@
+from __future__ import annotations
+
+import uuid
+
+
+_INSTANCE_PREFIX = 'instance_'
+_WORKSPACE_IDENTITY_NAMESPACE = uuid.UUID('8ea04f29-8528-4cc3-bb28-30a838c89d76')
+
+
+def workspace_uuid_from_instance_id(instance_id: str) -> str:
+    """Return the stable OSS Workspace UUID for a persisted instance identity."""
+    value = instance_id.strip()
+    if not value:
+        raise ValueError('LangBot instance identity is empty')
+
+    candidate = value[len(_INSTANCE_PREFIX) :] if value.startswith(_INSTANCE_PREFIX) else value
+    try:
+        return str(uuid.UUID(candidate))
+    except ValueError:
+        return str(uuid.uuid5(_WORKSPACE_IDENTITY_NAMESPACE, value))

src/langbot/pkg/workspace/service.py

@@ -30,6 +30,7 @@ from .errors import (
     WorkspaceOwnerAlreadyExistsError,
 )
 from .entities import WorkspaceExecutionBinding
+from .identity import workspace_uuid_from_instance_id
 from .policy import CloudWorkspacePolicy, SingleWorkspacePolicy
 from .repository import WorkspaceRepository
 
@@ -497,7 +498,7 @@ class WorkspaceService:
         created_by_account_uuid: str | None = None,
     ) -> Workspace:
         return Workspace(
-            uuid=str(uuid.uuid4()),
+            uuid=workspace_uuid_from_instance_id(self.instance_uuid),
             instance_uuid=self.instance_uuid,
             name=name,
             slug=slug,

tests/integration/api/test_support_admin_launch.py

@@ -0,0 +1,453 @@
+from __future__ import annotations
+
+import base64
+import datetime
+import json
+import logging
+import time
+import uuid
+from types import SimpleNamespace
+from unittest.mock import AsyncMock
+
+import pytest
+import sqlalchemy
+from cryptography.hazmat.primitives import serialization
+from cryptography.hazmat.primitives.asymmetric.ed25519 import Ed25519PrivateKey
+from quart import Quart
+from sqlalchemy.ext.asyncio import async_sessionmaker, create_async_engine
+
+from langbot.pkg.api.http.authz import Permission
+from langbot.pkg.api.http.context import PrincipalType, RequestContext
+from langbot.pkg.api.http.controller import group
+from langbot.pkg.api.http.controller.groups.pipelines.websocket_chat import WebSocketChatRouterGroup
+from langbot.pkg.api.http.controller.groups.user import UserRouterGroup
+from langbot.pkg.cloud.launch import SpaceLaunchError, SpaceLaunchService
+from langbot.pkg.cloud.support_admin import SupportAdminSessionService
+from langbot.pkg.entity.persistence.base import Base
+from langbot.pkg.entity.persistence.support_admin import SupportAdminTemporarySession
+from langbot.pkg.entity.persistence.user import User
+from langbot.pkg.entity.persistence.workspace import (
+    Workspace,
+    WorkspaceExecutionState,
+    WorkspaceMembership,
+)
+from langbot.pkg.workspace.service import WorkspaceService
+
+
+pytestmark = [pytest.mark.integration, pytest.mark.asyncio]
+
+
+INSTANCE_UUID = 'instance-support-admin'
+WORKSPACE_UUID = '10000000-0000-4000-8000-000000000001'
+OTHER_WORKSPACE_UUID = '10000000-0000-4000-8000-000000000002'
+ACTOR_ACCOUNT_UUID = '20000000-0000-4000-8000-000000000001'
+KEY_ID = 'support-admin-key-1'
+
+
+def _base64url(raw: bytes) -> str:
+    return base64.urlsafe_b64encode(raw).rstrip(b'=').decode('ascii')
+
+
+def _sign(private_key: Ed25519PrivateKey, claims: dict, *, key_id: str = KEY_ID) -> str:
+    header = {'alg': 'EdDSA', 'kid': key_id, 'typ': 'langbot-control-plane+jwt'}
+    encoded_header = _base64url(json.dumps(header, separators=(',', ':')).encode('utf-8'))
+    encoded_claims = _base64url(json.dumps(claims, separators=(',', ':')).encode('utf-8'))
+    signing_input = f'{encoded_header}.{encoded_claims}'
+    return f'{signing_input}.{_base64url(private_key.sign(signing_input.encode("ascii")))}'
+
+
+def _admin_claims(*, now: int, jti: str | None = None, workspace_uuid: str = WORKSPACE_UUID) -> dict:
+    return {
+        'iss': 'langbot-space',
+        'aud': 'langbot-cloud-runtime',
+        'sub': f'langbot-instance:{INSTANCE_UUID}',
+        'jti': jti or str(uuid.uuid4()),
+        'iat': now,
+        'nbf': now - 5,
+        'exp': now + 90,
+        'instance_uuid': INSTANCE_UUID,
+        'kind': 'workspace.support_admin_launch',
+        'payload': {
+            'workspace_uuid': workspace_uuid,
+            'launch_mode': 'support_admin',
+            'principal_type': 'support_admin',
+            'actor_account_uuid': ACTOR_ACCOUNT_UUID,
+            'effective_role': 'owner',
+        },
+    }
+
+
+@group.group_class('support_admin_probe', '/api/v1/support-admin-probe')
+class SupportAdminProbeGroup(group.RouterGroup):
+    async def initialize(self) -> None:
+        @self.route('/user-token', auth_type=group.AuthType.USER_TOKEN, permission=Permission.WORKSPACE_VIEW)
+        async def _(request_context: RequestContext) -> str:
+            return self.success(data=_context_payload(request_context))
+
+        @self.route(
+            '/member-operation',
+            auth_type=group.AuthType.USER_TOKEN,
+            permission=Permission.MEMBER_VIEW,
+        )
+        async def member_operation(request_context: RequestContext) -> str:
+            return self.success(data=_context_payload(request_context))
+
+        @self.route(
+            '/user-token-or-api-key',
+            auth_type=group.AuthType.USER_TOKEN_OR_API_KEY,
+            permission=Permission.WORKSPACE_VIEW,
+        )
+        async def _(request_context: RequestContext) -> str:
+            return self.success(data=_context_payload(request_context))
+
+
+def _context_payload(request_context: RequestContext) -> dict:
+    return {
+        'principal_type': request_context.principal.principal_type.value,
+        'actor_account_uuid': request_context.principal.actor_account_uuid,
+        'account_uuid': request_context.principal.account_uuid,
+        'role': request_context.workspace.role,
+        'membership_uuid': request_context.workspace.membership_uuid,
+        'permissions': sorted(request_context.workspace.permissions),
+    }
+
+
+class _TenantUow:
+    def __init__(self, engine):
+        self._engine = engine
+        self.session = None
+        self._transaction = None
+
+    async def __aenter__(self):
+        session_factory = async_sessionmaker(self._engine, expire_on_commit=False)
+        self.session = session_factory()
+        self._transaction = await self.session.begin()
+        return self
+
+    async def __aexit__(self, exc_type, exc, traceback):
+        try:
+            if exc_type is None:
+                await self._transaction.commit()
+            else:
+                await self._transaction.rollback()
+        finally:
+            await self.session.close()
+
+
+class _TenantScope:
+    async def __aenter__(self):
+        return self
+
+    async def __aexit__(self, exc_type, exc, traceback):
+        return False
+
+
+class _PersistenceManager:
+    def __init__(self, engine):
+        self._engine = engine
+        self.mode = SimpleNamespace(value='oss_compat')
+
+    def get_db_engine(self):
+        return self._engine
+
+    def tenant_uow(self, workspace_uuid: str):
+        del workspace_uuid
+        return _TenantUow(self._engine)
+
+    def tenant_scope(self, workspace_uuid: str):
+        del workspace_uuid
+        return _TenantScope()
+
+
+@pytest.fixture
+async def support_admin_api(tmp_path):
+    private_key = Ed25519PrivateKey.generate()
+    public_key = private_key.public_key().public_bytes(
+        encoding=serialization.Encoding.Raw,
+        format=serialization.PublicFormat.Raw,
+    )
+    engine = create_async_engine(f'sqlite+aiosqlite:///{tmp_path / "support-admin.db"}')
+    async with engine.begin() as connection:
+        await connection.run_sync(
+            Base.metadata.create_all,
+            tables=[
+                User.__table__,
+                Workspace.__table__,
+                WorkspaceExecutionState.__table__,
+                WorkspaceMembership.__table__,
+                SupportAdminTemporarySession.__table__,
+            ],
+        )
+        for workspace_uuid, slug in (
+            (WORKSPACE_UUID, 'support-admin-a'),
+            (OTHER_WORKSPACE_UUID, 'support-admin-b'),
+        ):
+            await connection.execute(
+                sqlalchemy.insert(Workspace).values(
+                    uuid=workspace_uuid,
+                    instance_uuid=INSTANCE_UUID,
+                    name=slug,
+                    slug=slug,
+                    type='team',
+                    status='active',
+                    source='cloud_projection',
+                    projection_revision=1,
+                )
+            )
+            await connection.execute(
+                sqlalchemy.insert(WorkspaceExecutionState).values(
+                    workspace_uuid=workspace_uuid,
+                    instance_uuid=INSTANCE_UUID,
+                    active_generation=1,
+                    state='active',
+                    write_fenced=False,
+                    source='cloud',
+                    desired_state_revision=1,
+                )
+            )
+
+    app = SimpleNamespace()
+    app.persistence_mgr = _PersistenceManager(engine)
+    app.instance_config = SimpleNamespace(
+        data={
+            'system': {
+                'jwt': {'secret': 'support-admin-secret', 'expire': 3600},
+                'websocket_retention': {},
+            },
+            'space': {
+                'launch': {
+                    'control_plane_public_key': _base64url(public_key),
+                }
+            },
+            'api': {'global_api_key': ''},
+        }
+    )
+    app.logger = logging.getLogger('support-admin-test')
+    app.deployment = SimpleNamespace(mode='cloud', multi_workspace_enabled=True, verification_key_id=KEY_ID)
+    app.directory_projection_service = SimpleNamespace(require_ready=lambda: None)
+    app.workspace_service = WorkspaceService(app, instance_uuid=INSTANCE_UUID)
+    app.entitlement_resolver = SimpleNamespace(
+        instance_uuid=INSTANCE_UUID,
+        resolve=AsyncMock(return_value=SimpleNamespace(entitlement_revision=7)),
+    )
+    app.support_admin_session_service = SupportAdminSessionService(app)
+    app.space_launch_service = SpaceLaunchService(app)
+    app.user_service = SimpleNamespace()
+    app.user_service.get_authenticated_account = AsyncMock(side_effect=AssertionError('normal account auth used'))
+    app.user_service.verify_jwt_token = AsyncMock(side_effect=AssertionError('normal token verification used'))
+    app.user_service.get_user_by_email = AsyncMock(side_effect=AssertionError('user lookup used'))
+    app.apikey_service = SimpleNamespace()
+    app.apikey_service.authenticate_api_key = AsyncMock(
+        return_value=SimpleNamespace(
+            instance_uuid=INSTANCE_UUID,
+            workspace_uuid=OTHER_WORKSPACE_UUID,
+            placement_generation=1,
+            api_key_uuid='api-key',
+            permissions=frozenset(permission.value for permission in Permission),
+        )
+    )
+
+    quart_app = Quart(__name__)
+    await UserRouterGroup(app, quart_app).initialize()
+    await SupportAdminProbeGroup(app, quart_app).initialize()
+
+    yield app, quart_app.test_client(), engine, private_key
+    await engine.dispose()
+
+
+async def _issue_support_token(app, private_key: Ed25519PrivateKey, *, jti: str | None = None) -> dict[str, str]:
+    launch = await app.space_launch_service.consume_assertion(
+        _sign(private_key, _admin_claims(now=int(time.time()), jti=jti)),
+        expected_workspace_uuid=WORKSPACE_UUID,
+    )
+    return launch
+
+
+def _auth(token: str, workspace_uuid: str = WORKSPACE_UUID) -> dict[str, str]:
+    return {'Authorization': f'Bearer {token}', 'X-Workspace-Id': workspace_uuid}
+
+
+async def test_support_admin_membership_only_routes_are_denied(support_admin_api):
+    app, client, _engine, private_key = support_admin_api
+    launch = await _issue_support_token(app, private_key)
+
+    response = await client.get(
+        '/api/v1/support-admin-probe/member-operation',
+        headers=_auth(launch['support_admin_token']),
+    )
+
+    assert response.status_code == 403
+    assert (await response.get_json())['code'] == 'permission_denied'
+
+
+async def test_support_admin_check_token_is_rejected(support_admin_api):
+    app, client, _engine, private_key = support_admin_api
+    launch = await _issue_support_token(app, private_key)
+
+    response = await client.get('/api/v1/user/check-token', headers=_auth(launch['support_admin_token']))
+
+    assert response.status_code == 401
+    assert (await response.get_json())['code'] == 'invalid_authentication'
+
+
+async def test_support_admin_cross_workspace_denied_for_user_token_and_or_api_key(support_admin_api):
+    app, client, _engine, private_key = support_admin_api
+    launch = await _issue_support_token(app, private_key)
+
+    missing_selector = await client.get(
+        '/api/v1/support-admin-probe/user-token',
+        headers={'Authorization': f'Bearer {launch["support_admin_token"]}'},
+    )
+    user_response = await client.get(
+        '/api/v1/support-admin-probe/user-token',
+        headers=_auth(launch['support_admin_token'], OTHER_WORKSPACE_UUID),
+    )
+    either_response = await client.get(
+        '/api/v1/support-admin-probe/user-token-or-api-key',
+        headers={
+            **_auth(launch['support_admin_token'], OTHER_WORKSPACE_UUID),
+            'X-API-Key': 'valid-api-key',
+        },
+    )
+
+    assert missing_selector.status_code == 400
+    assert user_response.status_code == 401
+    assert either_response.status_code == 401
+    app.apikey_service.authenticate_api_key.assert_not_awaited()
+
+
+async def test_support_admin_request_context_has_actor_owner_and_no_membership(support_admin_api):
+    app, client, engine, private_key = support_admin_api
+    before_count = await _membership_count(engine)
+    launch = await _issue_support_token(app, private_key)
+
+    response = await client.get(
+        '/api/v1/support-admin-probe/user-token',
+        headers=_auth(launch['support_admin_token']),
+    )
+
+    assert response.status_code == 200
+    data = (await response.get_json())['data']
+    permissions = set(data.pop('permissions'))
+    assert Permission.WORKSPACE_VIEW.value in permissions
+    assert Permission.RESOURCE_MANAGE.value in permissions
+    assert not permissions.intersection(
+        {
+            Permission.OWNER_TRANSFER.value,
+            Permission.MEMBER_VIEW.value,
+            Permission.MEMBER_INVITE.value,
+            Permission.MEMBER_UPDATE_ROLE.value,
+            Permission.MEMBER_REMOVE.value,
+        }
+    )
+    assert data == {
+        'principal_type': PrincipalType.SUPPORT_ADMIN.value,
+        'actor_account_uuid': ACTOR_ACCOUNT_UUID,
+        'account_uuid': None,
+        'role': 'owner',
+        'membership_uuid': None,
+    }
+    assert await _membership_count(engine) == before_count
+
+
+async def test_support_admin_missing_workspace_is_controlled_launch_failure(support_admin_api):
+    app, _client, engine, private_key = support_admin_api
+    async with engine.begin() as connection:
+        await connection.execute(
+            sqlalchemy.delete(WorkspaceExecutionState).where(WorkspaceExecutionState.workspace_uuid == WORKSPACE_UUID)
+        )
+
+    with pytest.raises(SpaceLaunchError, match='unavailable'):
+        await _issue_support_token(app, private_key)
+
+
+async def test_support_admin_launch_replay_is_durable_across_service_instances(support_admin_api):
+    app, _client, _engine, private_key = support_admin_api
+    jti = str(uuid.uuid4())
+
+    await _issue_support_token(app, private_key, jti=jti)
+    second_service = SpaceLaunchService(app)
+
+    with pytest.raises(SpaceLaunchError, match='already been consumed'):
+        await second_service.consume_assertion(
+            _sign(private_key, _admin_claims(now=int(time.time()), jti=jti)),
+            expected_workspace_uuid=WORKSPACE_UUID,
+        )
+
+
+async def test_support_admin_persisted_expiry_and_revocation_are_enforced(support_admin_api):
+    app, client, engine, private_key = support_admin_api
+    launch = await _issue_support_token(app, private_key)
+    token = launch['support_admin_token']
+
+    async with engine.begin() as connection:
+        await connection.execute(
+            sqlalchemy.update(SupportAdminTemporarySession)
+            .where(SupportAdminTemporarySession.grant_jti_hash == launch['grant_jti_hash'])
+            .values(expires_at=datetime.datetime.now(datetime.UTC).replace(tzinfo=None) - datetime.timedelta(minutes=1))
+        )
+    expired = await client.get('/api/v1/support-admin-probe/user-token', headers=_auth(token))
+    assert expired.status_code == 401
+
+    second = await _issue_support_token(app, private_key)
+    async with engine.begin() as connection:
+        await connection.execute(
+            sqlalchemy.update(SupportAdminTemporarySession)
+            .where(SupportAdminTemporarySession.grant_jti_hash == second['grant_jti_hash'])
+            .values(revoked_at=datetime.datetime.now(datetime.UTC).replace(tzinfo=None))
+        )
+    revoked = await client.get('/api/v1/support-admin-probe/user-token', headers=_auth(second['support_admin_token']))
+    assert revoked.status_code == 401
+
+
+async def test_support_admin_websocket_preserves_actor_and_revalidates(support_admin_api):
+    app, _client, _engine, private_key = support_admin_api
+    launch = await _issue_support_token(app, private_key)
+    captured_contexts = []
+
+    class Adapter:
+        async def handle_websocket_message(self, connection, data):
+            del data
+            captured_contexts.append(connection.execution_context)
+            await connection.send_queue.put({'type': 'handled'})
+            connection.is_active = False
+
+    app.pipeline_service = SimpleNamespace(get_pipeline=AsyncMock(return_value=SimpleNamespace(uuid='pipeline-1')))
+    app.platform_mgr = SimpleNamespace(
+        get_websocket_proxy_bot=AsyncMock(return_value=SimpleNamespace(adapter=Adapter()))
+    )
+
+    quart_app = Quart(__name__)
+    await WebSocketChatRouterGroup(app, quart_app).initialize()
+
+    async with quart_app.test_client().websocket('/api/v1/pipelines/pipeline-1/ws/connect') as websocket:
+        await websocket.send(
+            json.dumps(
+                {
+                    'type': 'authenticate',
+                    'token': launch['support_admin_token'],
+                    'workspace_uuid': WORKSPACE_UUID,
+                }
+            )
+        )
+        connected = json.loads(await websocket.receive())
+        assert connected['type'] == 'connected'
+        await websocket.send(json.dumps({'type': 'message', 'message': [{'type': 'text', 'text': 'hi'}]}))
+        handled = json.loads(await websocket.receive())
+        assert handled['type'] == 'handled'
+
+    assert captured_contexts
+    principal = captured_contexts[0].trigger_principal
+    assert principal is not None
+    assert principal.principal_type == PrincipalType.SUPPORT_ADMIN
+    assert principal.actor_account_uuid == ACTOR_ACCOUNT_UUID
+
+
+async def _membership_count(engine) -> int:
+    async with engine.connect() as connection:
+        return int(
+            await connection.scalar(
+                sqlalchemy.select(sqlalchemy.func.count()).select_from(WorkspaceMembership),
+            )
+            or 0
+        )

tests/integration/api/test_user_space_oauth.py

@@ -270,7 +270,7 @@ async def test_space_credits_are_resolved_from_workspace_owner(space_oauth_api):
 
     response = await client.get(
         '/api/v1/user/space-credits',
-        headers={'Authorization': 'Bearer account-token', 'X-Workspace-UUID': WORKSPACE_UUID},
+        headers={'Authorization': 'Bearer account-token', 'X-Workspace-Id': WORKSPACE_UUID},
     )
 
     assert response.status_code == 200

tests/integration/persistence/test_workspace_migration.py

@@ -22,6 +22,7 @@ from langbot.pkg.persistence.alembic_runner import (
 from langbot.pkg.utils import constants
 from langbot.pkg.utils import importutil
 from langbot.pkg.workspace.collaboration import normalize_email
+from langbot.pkg.workspace.identity import workspace_uuid_from_instance_id
 
 
 pytestmark = [pytest.mark.integration, pytest.mark.asyncio]
@@ -109,6 +110,7 @@ async def test_legacy_instance_gets_stable_accounts_and_default_workspace(legacy
             .mappings()
             .one()
         )
+        assert workspace['uuid'] == workspace_uuid_from_instance_id('instance_migration_test')
         assert workspace['instance_uuid'] == 'instance_migration_test'
         assert workspace['slug'] == 'default'
         assert workspace['status'] == 'active'
@@ -153,11 +155,11 @@ async def test_workspace_upgrade_repairs_ownerless_existing_local_workspace(lega
     await run_alembic_upgrade(legacy_engine, '0016_agent_workspace')
     async with legacy_engine.begin() as conn:
         owner_account_uuid = await conn.scalar(sa.text('SELECT uuid FROM users ORDER BY id LIMIT 1'))
-        workspace_uuid = await conn.scalar(sa.text("SELECT uuid FROM workspaces WHERE source = 'local'"))
+        old_workspace_uuid = await conn.scalar(sa.text("SELECT uuid FROM workspaces WHERE source = 'local'"))
         await conn.execute(sa.text('DELETE FROM workspace_memberships'))
         await conn.execute(
             sa.text('UPDATE workspaces SET created_by_account_uuid = NULL WHERE uuid = :workspace_uuid'),
-            {'workspace_uuid': workspace_uuid},
+            {'workspace_uuid': old_workspace_uuid},
         )
 
     await run_alembic_upgrade(legacy_engine, 'head')
@@ -165,19 +167,66 @@ async def test_workspace_upgrade_repairs_ownerless_existing_local_workspace(lega
     async with legacy_engine.connect() as conn:
         workspace = (
             await conn.execute(
-                sa.text('SELECT created_by_account_uuid FROM workspaces WHERE uuid = :workspace_uuid'),
+                sa.text("SELECT uuid, created_by_account_uuid FROM workspaces WHERE source = 'local'"),
-                {'workspace_uuid': workspace_uuid},
             )
         ).mappings().one()
         membership = (await conn.execute(sa.text('SELECT * FROM workspace_memberships'))).mappings().one()
 
+    assert workspace['uuid'] == workspace_uuid_from_instance_id('instance_migration_test')
     assert workspace['created_by_account_uuid'] == owner_account_uuid
-    assert membership['workspace_uuid'] == workspace_uuid
+    assert membership['workspace_uuid'] == workspace['uuid']
     assert membership['account_uuid'] == owner_account_uuid
     assert membership['role'] == 'owner'
     assert membership['status'] == 'active'
 
 
+async def test_existing_oss_workspace_is_rekeyed_to_instance_identity(tmp_path):
+    engine = create_async_engine(f'sqlite+aiosqlite:///{tmp_path / "workspace-rekey.db"}')
+    instance_id = 'instance_a711d9e4-0953-443f-a0e9-7dd50193a79f'
+    old_workspace_uuid = '11111111-1111-4111-8111-111111111111'
+    canonical_uuid = workspace_uuid_from_instance_id(instance_id)
+    schema = sa.MetaData()
+    sa.Table(
+        'metadata',
+        schema,
+        sa.Column('key', sa.String(255), primary_key=True),
+        sa.Column('value', sa.String(255)),
+    )
+    sa.Table(
+        'workspaces',
+        schema,
+        sa.Column('uuid', sa.String(36), primary_key=True),
+        sa.Column('instance_uuid', sa.String(255), nullable=False),
+        sa.Column('slug', sa.String(255), nullable=False),
+        sa.Column('source', sa.String(32), nullable=False),
+    )
+    sa.Table(
+        'tenant_rows',
+        schema,
+        sa.Column('id', sa.Integer, primary_key=True),
+        sa.Column('workspace_uuid', sa.String(36), sa.ForeignKey('workspaces.uuid'), nullable=False),
+    )
+    async with engine.begin() as conn:
+        await conn.run_sync(schema.create_all)
+        await conn.execute(sa.text("INSERT INTO metadata (key, value) VALUES ('instance_uuid', :value)"), {'value': instance_id})
+        await conn.execute(
+            sa.text("INSERT INTO workspaces (uuid, instance_uuid, slug, source) VALUES (:uuid, :instance, 'default', 'local')"),
+            {'uuid': old_workspace_uuid, 'instance': instance_id},
+        )
+        await conn.execute(
+            sa.text("INSERT INTO tenant_rows (id, workspace_uuid) VALUES (1, :uuid)"),
+            {'uuid': old_workspace_uuid},
+        )
+    await run_alembic_stamp(engine, '0016_support_admin_sessions')
+
+    await run_alembic_upgrade(engine, 'head')
+
+    async with engine.connect() as conn:
+        assert (await conn.execute(sa.text("SELECT uuid FROM workspaces"))).scalar_one() == canonical_uuid
+        assert (await conn.execute(sa.text("SELECT workspace_uuid FROM tenant_rows"))).scalar_one() == canonical_uuid
+    await engine.dispose()
+
+
 async def test_workspace_kernel_upgrade_downgrade_upgrade_round_trip(tmp_path):
     engine = create_async_engine(f'sqlite+aiosqlite:///{tmp_path / "workspace-round-trip.db"}')
     try:
@@ -391,6 +440,47 @@ async def test_persistence_startup_defers_workspace_tables_until_account_upgrade
         await engine.dispose()
 
 
+async def test_oss_workspace_identity_rekeys_fk_graph_and_metadata(tmp_path):
+    engine = create_async_engine(f'sqlite+aiosqlite:///{tmp_path / "workspace-rekey.db"}')
+    try:
+        await _create_legacy_schema(engine)
+        await run_alembic_stamp(engine, '0008_mcp_resource_prefs')
+        await run_alembic_upgrade(engine, '0016_support_admin_sessions')
+
+        async with engine.begin() as conn:
+            old_uuid = await conn.scalar(sa.text("SELECT uuid FROM workspaces WHERE source = 'local'"))
+            instance_uuid = await conn.scalar(sa.text("SELECT instance_uuid FROM workspaces WHERE source = 'local'"))
+            assert old_uuid
+            assert instance_uuid
+            await conn.execute(
+                sa.text(
+                    "INSERT INTO workspace_metadata (workspace_uuid, key, value) "
+                    "VALUES (:workspace_uuid, 'migration_probe', 'present')"
+                ),
+                {'workspace_uuid': old_uuid},
+            )
+            await conn.execute(
+                sa.text(
+                    "INSERT INTO metadata (key, value) VALUES ('oss_workspace_uuid', :workspace_uuid) "
+                    "ON CONFLICT(key) DO UPDATE SET value = excluded.value"
+                ),
+                {'workspace_uuid': old_uuid},
+            )
+
+        await run_alembic_upgrade(engine, 'head')
+        expected_uuid = workspace_uuid_from_instance_id(instance_uuid)
+        async with engine.connect() as conn:
+            assert await conn.scalar(sa.text("SELECT uuid FROM workspaces WHERE source = 'local'")) == expected_uuid
+            assert await conn.scalar(
+                sa.text("SELECT workspace_uuid FROM workspace_metadata WHERE key = 'migration_probe'")
+            ) == expected_uuid
+            assert await conn.scalar(
+                sa.text("SELECT value FROM metadata WHERE key = 'oss_workspace_uuid'")
+            ) == expected_uuid
+    finally:
+        await engine.dispose()
+
+
 async def test_persistence_startup_rejects_instance_uuid_drift(tmp_path, monkeypatch):
     engine = create_async_engine(f'sqlite+aiosqlite:///{tmp_path / "instance-drift.db"}')
     try:

tests/unit_tests/api/service/test_user_service.py

@@ -418,6 +418,7 @@ class TestUserServiceGenerateJwtToken:
         assert token is not None
 
 
+
 class TestUserServiceVerifyJwtToken:
     """Tests for verify_jwt_token method."""
 

tests/unit_tests/api/test_adapter_session_scoping.py

@@ -149,6 +149,36 @@ async def test_session_scope_matches_exact_tenant_placement_and_principal():
     assert sessions == {}
 
 
+async def test_support_admin_sessions_are_scoped_to_the_persisted_grant():
+    def support_context(grant_jti_hash: str) -> RequestContext:
+        return RequestContext(
+            instance_uuid='instance-test',
+            placement_generation=1,
+            request_id='request-test',
+            auth_type='support-admin',
+            principal=PrincipalContext(
+                principal_type=PrincipalType.SUPPORT_ADMIN,
+                actor_account_uuid='support-actor',
+                support_session_id=grant_jti_hash,
+            ),
+            workspace=WorkspaceContext(
+                workspace_uuid='workspace-a',
+                membership_uuid=None,
+                role='owner',
+                permissions=frozenset({'resource.manage'}),
+            ),
+        )
+
+    first_context = support_context('a' * 64)
+    second_context = support_context('b' * 64)
+    sessions: dict[str, dict] = {'session-test': {'status': 'waiting'}}
+    _bind_session_scope(sessions['session-test'], first_context)
+
+    assert _get_owned_session(sessions, 'session-test', second_context) is None
+    assert _pop_owned_session(sessions, 'session-test', second_context) is None
+    assert _get_owned_session(sessions, 'session-test', first_context) is sessions['session-test']
+
+
 async def test_session_capacity_evicts_oldest_session_in_same_workspace():
     owner_context = _request_context()
     sessions: dict[str, dict] = {}

tests/unit_tests/api/test_plugin_runtime_route_fence.py

@@ -46,6 +46,20 @@ def plugin_router_cls():
         yield PluginsRouterGroup
 
 
+@pytest.mark.asyncio
+async def test_authenticated_plugin_resource_fences_injected_workspace_context(plugin_router_cls):
+    connector = SimpleNamespace(
+        require_workspace_context=AsyncMock(return_value=CONTEXT),
+    )
+    router = object.__new__(plugin_router_cls)
+    router.ap = SimpleNamespace(plugin_connector=connector)
+
+    result = await router._require_authenticated_plugin_runtime_context(CONTEXT)
+
+    assert result == CONTEXT
+    connector.require_workspace_context.assert_awaited_once_with(CONTEXT)
+
+
 @pytest.mark.asyncio
 async def test_public_plugin_asset_route_is_disabled_for_multi_workspace_policy(plugin_router_cls):
     connector = SimpleNamespace(

tests/unit_tests/cloud/test_space_launch.py

@@ -11,6 +11,7 @@ from cryptography.hazmat.primitives import serialization
 from cryptography.hazmat.primitives.asymmetric.ed25519 import Ed25519PrivateKey
 
 from langbot.pkg.cloud.launch import SpaceLaunchError, SpaceLaunchService
+from langbot.pkg.cloud.support_admin import SupportAdminReplayError
 
 
 pytestmark = pytest.mark.asyncio
@@ -57,9 +58,21 @@ def _service(private_key: Ed25519PrivateKey, *, now: int) -> SpaceLaunchService:
         encoding=serialization.Encoding.Raw,
         format=serialization.PublicFormat.Raw,
     )
+    consumed: set[str] = set()
+
+    class DurableSupportAdminService:
+        async def consume_launch_grant(self, **kwargs):
+            grant_hash = kwargs['grant_jti_hash']
+            if grant_hash in consumed:
+                raise SupportAdminReplayError('already consumed')
+            consumed.add(grant_hash)
+            return SimpleNamespace(token='support-admin-token')
+
     app = SimpleNamespace(
         deployment=SimpleNamespace(multi_workspace_enabled=True, verification_key_id=KEY_ID),
         workspace_service=SimpleNamespace(instance_uuid=INSTANCE_UUID),
+        logger=SimpleNamespace(info=lambda *args, **kwargs: None),
+        support_admin_session_service=DurableSupportAdminService(),
         instance_config=SimpleNamespace(
             data={
                 'space': {
@@ -86,6 +99,81 @@ async def test_consumes_valid_workspace_launch_assertion_once():
         await service.consume_assertion(token, expected_workspace_uuid=WORKSPACE_UUID)
 
 
+
+
+async def test_consumes_admin_owner_launch_once_and_validates_claims():
+    private_key = Ed25519PrivateKey.generate()
+    now = int(time.time())
+    service = _service(private_key, now=now)
+    claims = _claims(now=now)
+    claims['kind'] = 'workspace.support_admin_launch'
+    claims['payload'].update(
+        {
+            'launch_mode': 'support_admin',
+            'principal_type': 'support_admin',
+            'actor_account_uuid': '33333333-3333-4333-8333-333333333333',
+            'effective_role': 'owner',
+        }
+    )
+    claims['payload'].pop('account_uuid')
+    token = _sign(private_key, claims)
+
+    launch = await service.consume_assertion(token, expected_workspace_uuid=WORKSPACE_UUID)
+
+    assert launch == {
+        'workspace_uuid': WORKSPACE_UUID,
+        'launch_mode': 'support_admin',
+        'actor_account_uuid': '33333333-3333-4333-8333-333333333333',
+        'effective_role': 'owner',
+        'grant_jti_hash': launch['grant_jti_hash'],
+        'support_admin_token': 'support-admin-token',
+    }
+    with pytest.raises(SpaceLaunchError, match='already been consumed'):
+        await service.consume_assertion(token, expected_workspace_uuid=WORKSPACE_UUID)
+
+    invalid = _claims(now=now)
+    invalid['kind'] = 'workspace.support_admin_launch'
+    invalid['payload'].update(
+        {
+            'launch_mode': 'support_admin',
+            'principal_type': 'support_admin',
+            'actor_account_uuid': '33333333-3333-4333-8333-333333333333',
+            'effective_role': 'member',
+        }
+    )
+    invalid['payload'].pop('account_uuid')
+    with pytest.raises(SpaceLaunchError, match='effective role'):
+        await service.consume_assertion(_sign(private_key, invalid), expected_workspace_uuid=WORKSPACE_UUID)
+
+    too_long = _claims(now=now)
+    too_long['kind'] = 'workspace.support_admin_launch'
+    too_long['exp'] = now + 91
+    too_long['payload'].update(
+        {
+            'launch_mode': 'support_admin',
+            'principal_type': 'support_admin',
+            'actor_account_uuid': '33333333-3333-4333-8333-333333333333',
+            'effective_role': 'owner',
+        }
+    )
+    too_long['payload'].pop('account_uuid')
+    with pytest.raises(SpaceLaunchError, match='lifetime exceeds 90 seconds'):
+        await service.consume_assertion(_sign(private_key, too_long), expected_workspace_uuid=WORKSPACE_UUID)
+
+    impersonating = _claims(now=now)
+    impersonating['kind'] = 'workspace.support_admin_launch'
+    impersonating['payload'].update(
+        {
+            'launch_mode': 'support_admin',
+            'principal_type': 'support_admin',
+            'actor_account_uuid': '33333333-3333-4333-8333-333333333333',
+            'effective_role': 'owner',
+        }
+    )
+    with pytest.raises(SpaceLaunchError, match='customer Account'):
+        await service.consume_assertion(_sign(private_key, impersonating), expected_workspace_uuid=WORKSPACE_UUID)
+
+
 async def test_replay_cache_does_not_scan_all_live_assertions(monkeypatch):
     private_key = Ed25519PrivateKey.generate()
     now = int(time.time())

tests/unit_tests/platform/test_telegram_adapter.py

@@ -1,7 +1,8 @@
 """Tests for Telegram Dify form callback helpers."""
 
 import json
-from unittest.mock import AsyncMock, MagicMock
+from contextlib import asynccontextmanager
+from unittest.mock import AsyncMock, MagicMock, patch
 
 import pytest
 from telegram import ForceReply
@@ -9,8 +10,10 @@ from telegram import ForceReply
 import langbot_plugin.api.entities.builtin.platform.entities as platform_entities
 import langbot_plugin.api.entities.builtin.platform.events as platform_events
 import langbot_plugin.api.entities.builtin.platform.message as platform_message
+
 from langbot.pkg.platform.sources.telegram import (
     TelegramAdapter,
+    TelegramMessageConverter,
     _decode_telegram_base64_limited,
     _telegram_form_action_from_callback,
     _telegram_select_field_options,
@@ -26,6 +29,70 @@ def test_telegram_base64_decode_is_bounded(monkeypatch):
         _decode_telegram_base64_limited('A' * 12)
 
 
+TELEGRAM_BOT_TOKEN = '123456789:AAExampleBotTokenThatMustNotLeak'
+TELEGRAM_FILE_URL = f'https://api.telegram.org/file/bot{TELEGRAM_BOT_TOKEN}/photos/file_0.jpg'
+
+
+@pytest.mark.asyncio
+async def test_telegram_photo_does_not_expose_bot_token_in_image_url():
+    """Regression test for the Telegram bot-token leak.
+
+    telegram.Bot builds file.file_path as
+    https://api.telegram.org/file/bot<TOKEN>/<path>, embedding the bot token.
+    The converter must not copy that URL into Image.url, or the token leaks to
+    the monitoring DB, dashboard and every installed plugin via the message
+    chain. Only base64 (which carries no token) may be stored.
+    """
+    tg_file = MagicMock()
+    tg_file.file_path = TELEGRAM_FILE_URL
+
+    photo_size = MagicMock()
+    photo_size.get_file = AsyncMock(return_value=tg_file)
+
+    message = MagicMock()
+    message.text = None
+    message.caption = None
+    message.photo = [photo_size]
+    message.voice = None
+    message.document = None
+
+    response = MagicMock()
+    response.headers = {}
+
+    async def iter_chunked(_chunk_size):
+        yield b'\xff\xd8\xff\xe0jpeg-bytes'
+
+    response.content.iter_chunked = iter_chunked
+
+    @asynccontextmanager
+    async def fake_get(url):
+        yield response
+
+    fake_session = MagicMock()
+    fake_session.get = fake_get
+
+    with patch(
+        'langbot.pkg.platform.sources.telegram.httpclient.get_session',
+        return_value=fake_session,
+    ):
+        chain = await TelegramMessageConverter.target2yiri(message, MagicMock(), 'bot-account')
+
+    images = [c for c in chain if isinstance(c, platform_message.Image)]
+    assert len(images) == 1
+    image = images[0]
+
+    # The token-bearing URL must not be retained anywhere on the component.
+    assert not image.url
+    assert image.base64 is not None
+    assert image.base64.startswith('data:image/jpeg;base64,')
+
+    # Belt-and-suspenders: the token must not appear in the serialized chain
+    # (this is what gets persisted to the monitoring DB and sent to plugins).
+    serialized = json.dumps(chain.model_dump(), ensure_ascii=False)
+    assert TELEGRAM_BOT_TOKEN not in serialized
+    assert 'api.telegram.org/file/bot' not in serialized
+
+
 def _select_form_data() -> dict:
     return {
         '_current_input_field': 'choice',

tests/unit_tests/telemetry/test_heartbeat.py

@@ -60,10 +60,12 @@ class TestBuildHeartbeatPayload:
     async def test_payload_shape(self):
         heartbeat = get_heartbeat_module()
         ap = make_app()
-        payload = await heartbeat.build_heartbeat_payload(ap)
+        payload = await heartbeat.build_heartbeat_payload(ap, workspace_uuid='workspace-a')
 
         assert payload['event_type'] == 'instance_heartbeat'
         assert payload['query_id'] == ''
+        assert payload['workspace_uuid'] == 'workspace-a'
+        assert 'instance_id' not in payload
         assert 'instance_create_ts' in payload
         assert 'timestamp' in payload
         f = payload['features']
@@ -86,7 +88,7 @@ class TestBuildHeartbeatPayload:
     @pytest.mark.asyncio
     async def test_payload_is_json_serializable(self):
         heartbeat = get_heartbeat_module()
-        payload = await heartbeat.build_heartbeat_payload(make_app())
+        payload = await heartbeat.build_heartbeat_payload(make_app(), workspace_uuid='workspace-a')
         json.dumps(payload)
 
     @pytest.mark.asyncio
@@ -94,7 +96,7 @@ class TestBuildHeartbeatPayload:
         heartbeat = get_heartbeat_module()
         ap = make_app()
         ap.persistence_mgr.execute_async = AsyncMock(side_effect=RuntimeError('db down'))
-        payload = await heartbeat.build_heartbeat_payload(ap)
+        payload = await heartbeat.build_heartbeat_payload(ap, workspace_uuid='workspace-a')
         assert payload['features']['pipeline_count'] == -1
 
     @pytest.mark.asyncio
@@ -106,31 +108,73 @@ class TestBuildHeartbeatPayload:
             side_effect=AssertionError('Cloud heartbeat must not issue per-tenant COUNTs')
         )
         ap.pipeline_mgr = SimpleNamespace(
-            _pipelines_by_key={'pipeline-a': object(), 'pipeline-b': object()},
+            _pipelines_by_key={
+                ('instance-a', 'workspace-a', 'pipeline-a'): object(),
+                ('instance-a', 'workspace-a', 'pipeline-b'): object(),
+            },
         )
+        adapter_a = type('WorkspaceAAdapter', (), {})()
+        adapter_b = type('WorkspaceBAdapter', (), {})()
+        ap.platform_mgr._bots_by_key = {
+            ('instance-a', 'workspace-a', 'bot-a'): SimpleNamespace(enable=True, adapter=adapter_a),
+        }
         ap.tool_mgr = SimpleNamespace(
             mcp_tool_loader=SimpleNamespace(
-                _sessions={'mcp-a': object(), 'mcp-b': object(), 'mcp-c': object()},
+                _sessions={
+                    ('instance-a', 'workspace-a', 1, 'mcp-a'): object(),
+                    ('instance-a', 'workspace-a', 1, 'mcp-b'): object(),
+                    ('instance-a', 'workspace-a', 1, 'mcp-c'): object(),
+                },
             ),
         )
         ap.rag_mgr = SimpleNamespace(
-            knowledge_bases={'kb-a': object()},
+            knowledge_bases={('workspace-a', 'kb-a'): object()},
+        )
+        ap.plugin_connector._workspace_installations = {
+            'workspace-a': {'plugin-a', 'plugin-b'},
+        }
+        ap.skill_mgr._skills_by_scope = {
+            ('instance-a', 'workspace-a', 1): {'skill-a': {}, 'skill-b': {}},
+            ('instance-a', 'workspace-b', 1): {'skill-c': {}},
+        }
+        ap.workspace_service.list_active_execution_bindings = AsyncMock(
+            return_value=[
+                SimpleNamespace(workspace_uuid='workspace-a', placement_generation=7),
+                SimpleNamespace(workspace_uuid='workspace-b', placement_generation=9),
+            ],
+        )
+        ap.platform_mgr._bots_by_key[('instance-a', 'workspace-b', 'bot-b')] = SimpleNamespace(
+            enable=True, adapter=adapter_b
         )
 
-        payload = await heartbeat.build_heartbeat_payload(ap)
+        payloads = await heartbeat.build_heartbeat_payloads(ap)
 
-        features = payload['features']
+        assert [payload['workspace_uuid'] for payload in payloads] == ['workspace-a', 'workspace-b']
-        assert features['pipeline_count'] == 2
+        assert all('instance_id' not in payload for payload in payloads)
-        assert features['mcp_server_count'] == 3
+        by_workspace = {payload['workspace_uuid']: payload['features'] for payload in payloads}
-        assert features['knowledge_base_count'] == 1
+        assert by_workspace['workspace-a']['pipeline_count'] == 2
-        assert features['bot_count'] == 1
+        assert by_workspace['workspace-a']['mcp_server_count'] == 3
+        assert by_workspace['workspace-a']['knowledge_base_count'] == 1
+        assert by_workspace['workspace-a']['bot_count'] == 1
+        assert by_workspace['workspace-a']['plugin_count'] == 2
+        assert by_workspace['workspace-a']['extension_count'] == 5
+        assert by_workspace['workspace-a']['skill_count'] == 2
+        assert by_workspace['workspace-a']['execution_generation'] == 7
+        assert by_workspace['workspace-a']['adapters'] == ['WorkspaceAAdapter']
+        assert by_workspace['workspace-b']['bot_count'] == 1
+        assert by_workspace['workspace-b']['pipeline_count'] == 0
+        assert by_workspace['workspace-b']['skill_count'] == 1
+        assert by_workspace['workspace-b']['execution_generation'] == 9
+        assert by_workspace['workspace-b']['adapters'] == ['WorkspaceBAdapter']
+        assert 'workspace_resources' not in by_workspace['workspace-a']
         ap.persistence_mgr.execute_async.assert_not_awaited()
+        ap.workspace_service.list_active_execution_bindings.assert_awaited_once()
 
     @pytest.mark.asyncio
     async def test_no_user_content_fields(self):
         """The heartbeat must never carry message content / credentials keys."""
         heartbeat = get_heartbeat_module()
-        payload = await heartbeat.build_heartbeat_payload(make_app())
+        payload = await heartbeat.build_heartbeat_payload(make_app(), workspace_uuid='workspace-a')
         flat = json.dumps(payload).lower()
         for forbidden in ('api_key', 'password', 'token', 'message_content'):
             assert forbidden not in flat

tests/unit_tests/telemetry/test_telemetry.py

@@ -569,6 +569,33 @@ class TestHTTPScenarios:
             await manager.send({'query_id': 'test'})
 
 
+class TestTelemetryManagedRuntimeAuthentication:
+    @pytest.mark.asyncio
+    async def test_send_includes_managed_runtime_token_header(self):
+        telemetry = get_telemetry_module()
+        mock_app = Mock()
+        mock_app.logger = Mock()
+        manager = telemetry.TelemetryManager(mock_app)
+        manager.telemetry_config = {'url': 'https://example.com'}
+        captured = {}
+
+        async def mock_post(url, json, headers):
+            captured['headers'] = headers
+            return Mock(status_code=200, text='', json=Mock(return_value={'code': 0}))
+
+        mock_client = Mock()
+        mock_client.post = mock_post
+        mock_client.__aenter__ = AsyncMock(return_value=mock_client)
+        mock_client.__aexit__ = AsyncMock(return_value=None)
+        with (
+            patch.dict('os.environ', {'LANGBOT_TELEMETRY_INGEST_TOKEN': 'managed-runtime-secret'}),
+            patch.object(httpx, 'AsyncClient', return_value=mock_client),
+        ):
+            await manager.send({'event_type': 'instance_heartbeat'})
+
+        assert captured['headers'] == {'X-LangBot-Telemetry-Token': 'managed-runtime-secret'}
+
+
 class TestStartSendTask:
     """Tests for start_send_task() method."""
 

tests/unit_tests/telemetry/test_workspace_identity.py

@@ -0,0 +1,31 @@
+from __future__ import annotations
+
+import uuid
+from types import SimpleNamespace
+
+
+def test_standard_oss_instance_id_aligns_to_embedded_uuid():
+    from langbot.pkg.workspace.identity import workspace_uuid_from_instance_id
+
+    instance_uuid = "a711d9e4-0953-443f-a0e9-7dd50193a79f"
+
+    assert workspace_uuid_from_instance_id(instance_uuid) == instance_uuid
+    assert workspace_uuid_from_instance_id(f"instance_{instance_uuid}") == instance_uuid
+
+
+def test_custom_legacy_instance_id_maps_to_stable_valid_uuid():
+    from langbot.pkg.workspace.identity import workspace_uuid_from_instance_id
+
+    first = workspace_uuid_from_instance_id("instance_migration_test")
+    second = workspace_uuid_from_instance_id("instance_migration_test")
+
+    assert first == second
+    assert str(uuid.UUID(first)) == first
+
+
+def test_query_telemetry_identity_uses_execution_workspace_only():
+    from langbot.pkg.telemetry.identity import workspace_identity
+
+    identity = workspace_identity(SimpleNamespace(workspace_uuid="workspace-a", instance_uuid="instance-a"))
+
+    assert identity == {"workspace_uuid": "workspace-a"}

tests/unit_tests/workspace/test_workspace_service.py

@@ -26,6 +26,7 @@ from langbot.pkg.workspace import (
     WorkspaceOwnerAlreadyExistsError,
     WorkspaceService,
 )
+from langbot.pkg.workspace.identity import workspace_uuid_from_instance_id
 from langbot.pkg.workspace.policy import CloudWorkspacePolicy
 
 
@@ -113,6 +114,7 @@ async def test_ensure_singleton_workspace_is_idempotent(workspace_test_context):
     first = await service.ensure_singleton_workspace()
     second = await service.ensure_singleton_workspace()
 
+    assert first.uuid == workspace_uuid_from_instance_id('instance_service_test')
     assert second.uuid == first.uuid
     async with session_factory() as session:
         assert await session.scalar(sqlalchemy.select(sqlalchemy.func.count()).select_from(Workspace)) == 1

web/src/app/auth/space/callback/page.tsx

@@ -3,6 +3,7 @@ import { useNavigate, useSearchParams } from 'react-router-dom';
 import { httpClient } from '@/app/infra/http/HttpClient';
 import {
   beginAuthenticatedSession,
+  beginSupportAdminSession,
   bootstrapWorkspaceSession,
   getPendingInvitationToken,
 } from '@/app/infra/http';
@@ -27,8 +28,10 @@ import langbotIcon from '@/app/assets/langbot-logo.webp';
 
 type SpaceOAuthLoginResult = {
   token: string;
-  user: string;
+  user?: string;
   workspace_uuid?: string;
+  principal_type?: 'account' | 'support_admin';
+  actor_account_uuid?: string;
 };
 
 const pendingSpaceOAuthLogins = new Map<
@@ -94,6 +97,16 @@ function SpaceOAuthCallbackContent() {
           return;
         }
 
+        if (response.principal_type === 'support_admin') {
+          if (!response.workspace_uuid) {
+            throw new Error('Support admin launch did not include a Workspace');
+          }
+          beginSupportAdminSession(response.token, response.workspace_uuid);
+          await bootstrapWorkspaceSession();
+          navigate('/home', { replace: true });
+          return;
+        }
+
         beginAuthenticatedSession(response.token, response.user);
         if (getPendingInvitationToken()) {
           navigate('/invitations/accept', { replace: true });

web/src/app/home/components/home-sidebar/SidebarDataContext.tsx

@@ -197,6 +197,19 @@ export function SidebarDataProvider({
 
       // Deduplicate plugins by composite key (prefer debug over installed)
       const pluginMap = new Map<string, SidebarEntityItem>();
+      const pluginIconURLs = new Map<string, string>(
+        await Promise.all(
+          pluginsResp.plugins.map(async (plugin) => {
+            const meta = plugin.manifest.manifest.metadata;
+            const author = meta.author ?? '';
+            const name = meta.name;
+            const url = await httpClient
+              .getAuthenticatedPluginIconURL(author, name)
+              .catch(() => '');
+            return [`${author}/${name}`, url] as const;
+          }),
+        ),
+      );
       for (const plugin of pluginsResp.plugins) {
         const meta = plugin.manifest.manifest.metadata;
         const author = meta.author ?? '';
@@ -215,7 +228,7 @@ export function SidebarDataProvider({
         const item: SidebarEntityItem = {
           id: compositeKey,
           name: extractI18nObject(meta.label),
-          iconURL: httpClient.getPluginIconURL(author, name),
+          iconURL: pluginIconURLs.get(compositeKey) || '',
           installSource: plugin.install_source,
           installInfo: plugin.install_info,
           hasUpdate,
@@ -249,7 +262,7 @@ export function SidebarDataProvider({
                 pluginAuthor: author,
                 pluginName: name,
                 pluginLabel: label,
-                pluginIconURL: httpClient.getPluginIconURL(author, name),
+                pluginIconURL: pluginIconURLs.get(`${author}/${name}`) || '',
                 pageId: page.id,
                 path: page.path,
               });

web/src/app/home/knowledge/components/kb-form/KBForm.tsx

@@ -4,6 +4,7 @@ import { useForm } from 'react-hook-form';
 import { zodResolver } from '@hookform/resolvers/zod';
 import { z } from 'zod';
 import { useTranslation } from 'react-i18next';
+import { AuthenticatedPluginIcon } from '@/components/AuthenticatedPluginIcon';
 import { Input } from '@/components/ui/input';
 import EmojiPicker from '@/components/ui/emoji-picker';
 import {
@@ -428,12 +429,9 @@ export default function KBForm({
                             );
                             return (
                               <div className="flex items-center gap-2">
-                                <img
+                                <AuthenticatedPluginIcon
-                                  src={httpClient.getPluginIconURL(
+                                  author={author}
-                                    author,
+                                  name={name}
-                                    name,
-                                  )}
-                                  alt=""
                                   className="h-5 w-5 rounded"
                                 />
                                 <span>
@@ -459,12 +457,9 @@ export default function KBForm({
                               value={engine.plugin_id}
                             >
                               <div className="flex items-center gap-2">
-                                <img
+                                <AuthenticatedPluginIcon
-                                  src={httpClient.getPluginIconURL(
+                                  author={author}
-                                    author,
+                                  name={name}
-                                    name,
-                                  )}
-                                  alt=""
                                   className="h-5 w-5 rounded"
                                 />
                                 <span>{extractI18nObject(engine.name)}</span>

web/src/app/home/layout.tsx

@@ -17,6 +17,7 @@ import {
   bootstrapWorkspaceSession,
   systemInfo,
   initializeSystemInfo,
+  isSupportAdminSession,
   useCurrentWorkspace,
 } from '@/app/infra/http';
 import { useNavigate, useLocation } from 'react-router-dom';
@@ -157,7 +158,7 @@ export default function HomeLayout({
   // selected Workspace's wizard state.
   useEffect(() => {
     if (!identityReady) return;
-    if (systemInfo.wizard_status === 'none') {
+    if (systemInfo?.wizard_status === 'none' && !isSupportAdminSession()) {
       navigate('/wizard', { replace: true });
     }
   }, [identityReady, navigate]);

web/src/app/home/plugins/components/plugin-installed/ExtensionCardComponent.tsx

@@ -13,7 +13,7 @@ import {
   Puzzle,
 } from 'lucide-react';
 import { getCloudServiceClientSync, systemInfo } from '@/app/infra/http';
-import { httpClient } from '@/app/infra/http/HttpClient';
+import { useAuthenticatedPluginIcon } from '@/hooks/useAuthenticatedPluginResource';
 import { Button } from '@/components/ui/button';
 import { Card } from '@/components/ui/card';
 import {
@@ -39,6 +39,11 @@ export default function ExtensionCardComponent({
   const { t } = useTranslation();
   const [dropdownOpen, setDropdownOpen] = useState(false);
   const [iconFailed, setIconFailed] = useState(false);
+  const authenticatedIcon = useAuthenticatedPluginIcon(
+    cardVO.author,
+    cardVO.name,
+    cardVO.type === 'plugin',
+  );
 
   const FallbackIcon =
     cardVO.type === 'mcp'
@@ -47,8 +52,8 @@ export default function ExtensionCardComponent({
         ? Sparkles
         : Puzzle;
   const iconSrc =
-    cardVO.iconURL || httpClient.getPluginIconURL(cardVO.author, cardVO.name);
+    cardVO.type === 'plugin' ? authenticatedIcon.url : cardVO.iconURL;
-  const showFallback = iconFailed || !iconSrc;
+  const showFallback = iconFailed || authenticatedIcon.error || !iconSrc;
 
   const getTypeLabel = (type: ExtensionType) => {
     switch (type) {

web/src/app/home/plugins/components/plugin-installed/plugin-readme/PluginReadme.tsx

@@ -10,6 +10,74 @@ import rehypeSlug from 'rehype-slug';
 import rehypeAutolinkHeadings from 'rehype-autolink-headings';
 import { getAPILanguageCode } from '@/i18n/I18nProvider';
 import '@/styles/github-markdown.css';
+import { useAuthenticatedPluginAsset } from '@/hooks/useAuthenticatedPluginResource';
+
+function AuthenticatedReadmeImage({
+  author,
+  name,
+  filepath,
+  alt,
+  ...props
+}: {
+  author: string;
+  name: string;
+  filepath: string;
+  alt?: string;
+} & React.ImgHTMLAttributes<HTMLImageElement>) {
+  const { url, error } = useAuthenticatedPluginAsset(author, name, filepath);
+  if (error)
+    return (
+      <span className="text-sm text-muted-foreground">{alt || filepath}</span>
+    );
+  if (!url)
+    return (
+      <span className="inline-block h-6 w-24 animate-pulse rounded bg-muted" />
+    );
+  return (
+    <img
+      src={url}
+      alt={alt || ''}
+      className="max-w-lg h-auto my-4"
+      {...props}
+    />
+  );
+}
+
+function PluginReadmeImage({
+  author,
+  name,
+  src,
+  alt,
+  ...props
+}: {
+  author: string;
+  name: string;
+  src?: string;
+  alt?: string;
+} & React.ImgHTMLAttributes<HTMLImageElement>) {
+  const imageSrc = typeof src === 'string' ? src : '';
+  if (!imageSrc || /^(https?:\/\/|data:)/i.test(imageSrc)) {
+    return (
+      <img
+        src={imageSrc}
+        alt={alt || ''}
+        className="max-w-lg h-auto my-4"
+        {...props}
+      />
+    );
+  }
+  let filepath = imageSrc.replace(/^(\.\/|\/)+/, '');
+  filepath = filepath.replace(/^assets\//, '');
+  return (
+    <AuthenticatedReadmeImage
+      author={author}
+      name={name}
+      filepath={filepath}
+      alt={alt}
+      {...props}
+    />
+  );
+}
 
 export default function PluginReadme({
   pluginAuthor,
@@ -71,49 +139,15 @@ export default function PluginReadme({
                 <ol className="list-decimal">{children}</ol>
               ),
               li: ({ children }) => <li className="ml-4">{children}</li>,
-              img: ({ src, alt, ...props }) => {
+              img: ({ src, alt, ...props }) => (
-                let imageSrc = src || '';
+                <PluginReadmeImage
-
+                  author={pluginAuthor}
-                if (typeof imageSrc !== 'string') {
+                  name={pluginName}
-                  return (
+                  src={typeof src === 'string' ? src : undefined}
-                    <img
+                  alt={alt}
-                      src={src}
+                  {...props}
-                      alt={alt || ''}
+                />
-                      className="max-w-full h-auto rounded-lg my-4"
+              ),
-                      {...props}
-                    />
-                  );
-                }
-
-                if (
-                  imageSrc &&
-                  !imageSrc.startsWith('http://') &&
-                  !imageSrc.startsWith('https://') &&
-                  !imageSrc.startsWith('data:')
-                ) {
-                  imageSrc = imageSrc.replace(/^(\.\/|\/)+/, '');
-
-                  if (!imageSrc.startsWith('assets/')) {
-                    imageSrc = `assets/${imageSrc}`;
-                  }
-
-                  const assetPath = imageSrc.replace(/^assets\//, '');
-                  imageSrc = httpClient.getPluginAssetURL(
-                    pluginAuthor,
-                    pluginName,
-                    assetPath,
-                  );
-                }
-
-                return (
-                  <img
-                    src={imageSrc}
-                    alt={alt || ''}
-                    className="max-w-lg h-auto my-4"
-                    {...props}
-                  />
-                );
-              },
             }}
           >
             {readme}

web/src/app/infra/http/BackendClient.ts

@@ -776,6 +776,32 @@ export class BackendClient extends BaseHttpClient {
     );
   }
 
+  private async getAuthenticatedObjectURL(path: string): Promise<string> {
+    const response = await this.instance.get<Blob>(path, {
+      responseType: 'blob',
+    });
+    return URL.createObjectURL(response.data);
+  }
+
+  public getAuthenticatedPluginAssetURL(
+    author: string,
+    name: string,
+    filepath: string,
+  ): Promise<string> {
+    return this.getAuthenticatedObjectURL(
+      `/api/v1/plugins/${author}/${name}/authenticated-assets/${filepath}`,
+    );
+  }
+
+  public getAuthenticatedPluginIconURL(
+    author: string,
+    name: string,
+  ): Promise<string> {
+    return this.getAuthenticatedObjectURL(
+      `/api/v1/plugins/${author}/${name}/authenticated-icon`,
+    );
+  }
+
   public async pluginPageApi(
     author: string,
     name: string,
@@ -1400,8 +1426,10 @@ export class BackendClient extends BaseHttpClient {
     launchAssertion?: string,
   ): Promise<{
     token: string;
-    user: string;
+    user?: string;
     workspace_uuid?: string;
+    principal_type?: 'account' | 'support_admin';
+    actor_account_uuid?: string;
   }> {
     const response = await this.instance.post(
       '/api/v1/user/space/callback',

web/src/app/infra/http/index.ts

@@ -217,10 +217,34 @@ export function beginAuthenticatedSession(
   if (typeof window === 'undefined') return;
   localStorage.removeItem('token');
   localStorage.removeItem('userEmail');
+  localStorage.removeItem('authPrincipalType');
   localStorage.setItem('token', token);
   if (userEmail) localStorage.setItem('userEmail', userEmail);
 }
 
+export function beginSupportAdminSession(
+  token: string,
+  workspaceUuid: string,
+): void {
+  userInfo = null;
+  clearWorkspaceSelection();
+  clearWorkspaceBootstrapSnapshot();
+
+  if (typeof window === 'undefined') return;
+  localStorage.removeItem('token');
+  localStorage.removeItem('userEmail');
+  localStorage.setItem('token', token);
+  localStorage.setItem('authPrincipalType', 'support_admin');
+  setActiveWorkspaceUuid(workspaceUuid);
+}
+
+export function isSupportAdminSession(): boolean {
+  return (
+    typeof window !== 'undefined' &&
+    localStorage.getItem('authPrincipalType') === 'support_admin'
+  );
+}
+
 async function initializeSelectedWorkspace(
   workspaceUuid: string,
   workspaces: WorkspaceBootstrapEntry[],
@@ -252,6 +276,27 @@ async function initializeSelectedWorkspace(
 export async function bootstrapWorkspaceSession(
   options: WorkspaceBootstrapOptions = {},
 ): Promise<WorkspaceBootstrapResult> {
+  if (isSupportAdminSession()) {
+    const selectedWorkspaceUuid = getActiveWorkspaceUuid();
+    if (!selectedWorkspaceUuid) {
+      throw new Error('Support admin session is missing its Workspace scope');
+    }
+    if (
+      options.preferredWorkspaceUuid &&
+      options.preferredWorkspaceUuid !== selectedWorkspaceUuid
+    ) {
+      throw new Error('Support admin session cannot change Workspace scope');
+    }
+    await initializeWorkspaceInfo();
+    const workspace = getCurrentWorkspaceSnapshot();
+    if (!workspace || workspace.workspace.uuid !== selectedWorkspaceUuid) {
+      clearWorkspaceSelection();
+      throw new Error('Support admin Workspace scope could not be initialized');
+    }
+    clearWorkspaceBootstrapSnapshot();
+    return { status: 'ready', workspace, workspaces: [] };
+  }
+
   if (options.resetSelection) {
     clearWorkspaceSelection();
     clearWorkspaceBootstrapSnapshot();
@@ -339,6 +384,9 @@ export const clearUserInfo = (): void => {
   userInfo = null;
   clearWorkspaceSelection();
   clearWorkspaceBootstrapSnapshot();
+  if (typeof window !== 'undefined') {
+    localStorage.removeItem('authPrincipalType');
+  }
 };
 
 export {

web/src/components/AuthenticatedPluginIcon.tsx

@@ -0,0 +1,32 @@
+import { useAuthenticatedPluginIcon } from '@/hooks/useAuthenticatedPluginResource';
+import { cn } from '@/lib/utils';
+
+export function AuthenticatedPluginIcon({
+  author,
+  name,
+  alt = '',
+  className,
+}: {
+  author: string;
+  name: string;
+  alt?: string;
+  className?: string;
+}) {
+  const icon = useAuthenticatedPluginIcon(
+    author,
+    name,
+    Boolean(author && name),
+  );
+
+  if (!icon.url || icon.error) {
+    return (
+      <span
+        aria-hidden={alt ? undefined : true}
+        aria-label={alt || undefined}
+        className={cn('inline-block bg-muted', className)}
+      />
+    );
+  }
+
+  return <img src={icon.url} alt={alt} className={className} />;
+}

web/src/hooks/useAuthenticatedPluginResource.ts

@@ -0,0 +1,71 @@
+import { useEffect, useState } from 'react';
+import { httpClient } from '@/app/infra/http/HttpClient';
+
+export function useAuthenticatedPluginIcon(
+  author: string,
+  name: string,
+  enabled = true,
+): { url: string; error: boolean } {
+  const [url, setURL] = useState('');
+  const [error, setError] = useState(false);
+
+  useEffect(() => {
+    if (!enabled) {
+      setURL('');
+      setError(false);
+      return;
+    }
+    let active = true;
+    let objectURL = '';
+    setURL('');
+    setError(false);
+    httpClient
+      .getAuthenticatedPluginIconURL(author, name)
+      .then((nextURL) => {
+        objectURL = nextURL;
+        if (active) setURL(nextURL);
+        else URL.revokeObjectURL(nextURL);
+      })
+      .catch(() => {
+        if (active) setError(true);
+      });
+    return () => {
+      active = false;
+      if (objectURL) URL.revokeObjectURL(objectURL);
+    };
+  }, [author, enabled, name]);
+
+  return { url, error };
+}
+
+export function useAuthenticatedPluginAsset(
+  author: string,
+  name: string,
+  filepath: string,
+): { url: string; error: boolean } {
+  const [url, setURL] = useState('');
+  const [error, setError] = useState(false);
+
+  useEffect(() => {
+    let active = true;
+    let objectURL = '';
+    setURL('');
+    setError(false);
+    httpClient
+      .getAuthenticatedPluginAssetURL(author, name, filepath)
+      .then((nextURL) => {
+        objectURL = nextURL;
+        if (active) setURL(nextURL);
+        else URL.revokeObjectURL(nextURL);
+      })
+      .catch(() => {
+        if (active) setError(true);
+      });
+    return () => {
+      active = false;
+      if (objectURL) URL.revokeObjectURL(objectURL);
+    };
+  }, [author, name, filepath]);
+
+  return { url, error };
+}

web/src/i18n/locales/es-ES.ts

@@ -175,6 +175,8 @@ const esES = {
     more: 'Más ({{count}})',
     less: 'Menos',
     noItems: 'Sin elementos',
+
+    apiKeyStoredSecurely: 'Secret shown only when created',
   },
   notFound: {
     title: 'Página no encontrada',
@@ -324,6 +326,11 @@ const esES = {
       fallbackList: 'Modelos de respaldo',
       addFallback: 'Añadir modelo de respaldo',
     },
+
+    ownerMustBindSpace:
+      'The Workspace owner must connect Space for LangBot Models.',
+    usesOwnerSpaceBilling:
+      "Uses the Workspace owner's Space billing and credits.",
   },
   bots: {
     title: 'Bots',
@@ -1374,6 +1381,13 @@ const esES = {
       'Establece una contraseña para iniciar sesión con correo y contraseña',
     spaceEmailMismatch:
       'El correo de inicio de sesión de Space no coincide con el correo de la cuenta local',
+
+    space_account_not_registeredTitle: 'Account not registered',
+    space_account_not_registered:
+      'No local account is registered for this Space email. Ask the Workspace owner for an invitation.',
+    space_account_binding_requiredTitle: 'Space connection required',
+    space_account_binding_required:
+      'This local account must connect Space from Account settings before using Space login.',
   },
   monitoring: {
     title: 'Panel de control',
@@ -1632,6 +1646,8 @@ const esES = {
       api: 'API',
       storage: 'Almacenamiento',
       account: 'Cuenta',
+
+      workspace: 'Workspace',
     },
   },
   storageAnalysis: {
@@ -1948,6 +1964,90 @@ const esES = {
     unsupportedFileType:
       'Tipo de archivo no admitido. Solo se admiten archivos .zip y .lbpkg',
   },
+
+  workspace: {
+    title: 'Workspace',
+    description: 'Manage members, roles, and invitation links',
+    selectTitle: 'Choose a Workspace',
+    selectDescription: 'Select where you want to continue in LangBot.',
+    selectionLoadFailed:
+      'Your Workspaces could not be loaded. Please try again.',
+    switchWorkspace: 'Switch Workspace',
+    settings: 'Workspace Settings',
+    currentPlan: 'Current plan',
+    planUnavailable: 'Unavailable',
+    upgradePlan: 'Change or upgrade plan',
+    ossSingletonDescription:
+      'This self-hosted instance has one Workspace and can include multiple users.',
+    cloudManagedDescription:
+      'This Workspace is hosted by LangBot Cloud. Manage members here; billing opens in Cloud.',
+    loadFailed: 'Failed to load Workspace information',
+    members: 'Members',
+    you: 'You',
+    inviteMember: 'Invite a member',
+    inviteDescription:
+      'Create a one-time link to add another user to this Workspace.',
+    emailPlaceholder: 'member@example.com',
+    createInvitation: 'Create invitation',
+    invitationCreated: 'Invitation created',
+    delivery: {
+      sent: 'Invitation sent',
+      link_only: 'Invitation link created',
+      failed: 'Invitation link created, but email could not be sent',
+    },
+    invitationCreateFailed: 'Failed to create invitation',
+    oneTimeLinkWarning: 'Copy this link now. It is shown only once.',
+    copyInvitation: 'Copy invitation link',
+    invitationCopied: 'Invitation link copied',
+    pendingInvitations: 'Pending invitations',
+    expiresAt: 'Expires {{date}}',
+    revokeInvitation: 'Revoke invitation',
+    invitationRevoked: 'Invitation revoked',
+    invitationRevokeFailed: 'Failed to revoke invitation',
+    acceptInvitation: 'Accept invitation',
+    invitedToWorkspace: 'You were invited to {{workspace}}',
+    checkingInvitation: 'Checking this invitation...',
+    invitationMissing: 'This invitation link is missing required information.',
+    invitationExpired: 'This invitation has expired.',
+    invitationAlreadyRevoked: 'This invitation was revoked.',
+    invitationAlreadyUsed: 'This invitation was already used.',
+    invitationInvalid: 'This invitation is invalid or no longer available.',
+    invitationAccepted: 'Invitation accepted',
+    invitationAcceptFailed: 'Failed to accept invitation',
+    invitationEmailMismatch:
+      'This invitation belongs to a different email address.',
+    existingAccountLoginRequired:
+      'An account already exists for this email. Sign in to continue.',
+    acceptAsCurrentAccount: 'Accept with current account',
+    authenticatedInvitationNotice:
+      'Sign out first, then sign in with the invited account. Your invitation will be preserved.',
+    logoutAndReturn: 'Sign out and return to this invitation',
+    switchAccount: 'Switch account',
+    registerAndAccept: 'Create account and accept',
+    alreadyHaveAccount: 'I already have an account',
+    confirmPassword: 'Confirm password',
+    passwordMinimum: 'Password must contain at least 8 characters.',
+    passwordMismatch: 'The passwords do not match.',
+    backToLogin: 'Back to sign in',
+    memberUpdated: 'Member role updated',
+    memberUpdateFailed: 'Failed to update member role',
+    removeMember: 'Remove member',
+    removeMemberConfirm: 'Remove this member from the Workspace?',
+    memberRemoved: 'Member removed',
+    memberRemoveFailed: 'Failed to remove member',
+    transferOwnership: 'Transfer ownership',
+    types: {
+      personal: 'Personal',
+      team: 'Team',
+    },
+    roles: {
+      owner: 'Owner',
+      admin: 'Admin',
+      developer: 'Developer',
+      operator: 'Operator',
+      viewer: 'Viewer',
+    },
+  },
 };
 
 export default esES;

web/src/i18n/locales/ja-JP.ts

@@ -1636,6 +1636,11 @@ const jaJP = {
       operator: 'オペレーター',
       viewer: '閲覧者',
     },
+
+    settings: 'Workspace Settings',
+    currentPlan: 'Current plan',
+    planUnavailable: 'Unavailable',
+    upgradePlan: 'Change or upgrade plan',
   },
   monitoring: {
     title: 'ダッシュボード',

web/src/i18n/locales/ru-RU.ts

@@ -172,6 +172,8 @@ const ruRU = {
     less: 'Свернуть',
     noItems: 'Нет элементов',
     termsOfService: 'Условия обслуживания',
+
+    apiKeyStoredSecurely: 'Secret shown only when created',
   },
   notFound: {
     title: 'Страница не найдена',
@@ -323,6 +325,11 @@ const ruRU = {
       fallbackList: 'Резервные модели',
       addFallback: 'Добавить резервную модель',
     },
+
+    ownerMustBindSpace:
+      'The Workspace owner must connect Space for LangBot Models.',
+    usesOwnerSpaceBilling:
+      "Uses the Workspace owner's Space billing and credits.",
   },
   bots: {
     title: 'Боты',
@@ -1349,6 +1356,13 @@ const ruRU = {
     setPasswordHint: 'Установите пароль для входа с email и паролем',
     spaceEmailMismatch:
       'Email входа через Space не совпадает с email локальной учётной записи',
+
+    space_account_not_registeredTitle: 'Account not registered',
+    space_account_not_registered:
+      'No local account is registered for this Space email. Ask the Workspace owner for an invitation.',
+    space_account_binding_requiredTitle: 'Space connection required',
+    space_account_binding_required:
+      'This local account must connect Space from Account settings before using Space login.',
   },
   monitoring: {
     title: 'Мониторинг',
@@ -1606,6 +1620,8 @@ const ruRU = {
       api: 'API',
       storage: 'Хранилище',
       account: 'Аккаунт',
+
+      workspace: 'Workspace',
     },
   },
   storageAnalysis: {
@@ -1914,6 +1930,90 @@ const ruRU = {
     unsupportedFileType:
       'Неподдерживаемый тип файла. Поддерживаются только файлы .zip и .lbpkg',
   },
+
+  workspace: {
+    title: 'Workspace',
+    description: 'Manage members, roles, and invitation links',
+    selectTitle: 'Choose a Workspace',
+    selectDescription: 'Select where you want to continue in LangBot.',
+    selectionLoadFailed:
+      'Your Workspaces could not be loaded. Please try again.',
+    switchWorkspace: 'Switch Workspace',
+    settings: 'Workspace Settings',
+    currentPlan: 'Current plan',
+    planUnavailable: 'Unavailable',
+    upgradePlan: 'Change or upgrade plan',
+    ossSingletonDescription:
+      'This self-hosted instance has one Workspace and can include multiple users.',
+    cloudManagedDescription:
+      'This Workspace is hosted by LangBot Cloud. Manage members here; billing opens in Cloud.',
+    loadFailed: 'Failed to load Workspace information',
+    members: 'Members',
+    you: 'You',
+    inviteMember: 'Invite a member',
+    inviteDescription:
+      'Create a one-time link to add another user to this Workspace.',
+    emailPlaceholder: 'member@example.com',
+    createInvitation: 'Create invitation',
+    invitationCreated: 'Invitation created',
+    delivery: {
+      sent: 'Invitation sent',
+      link_only: 'Invitation link created',
+      failed: 'Invitation link created, but email could not be sent',
+    },
+    invitationCreateFailed: 'Failed to create invitation',
+    oneTimeLinkWarning: 'Copy this link now. It is shown only once.',
+    copyInvitation: 'Copy invitation link',
+    invitationCopied: 'Invitation link copied',
+    pendingInvitations: 'Pending invitations',
+    expiresAt: 'Expires {{date}}',
+    revokeInvitation: 'Revoke invitation',
+    invitationRevoked: 'Invitation revoked',
+    invitationRevokeFailed: 'Failed to revoke invitation',
+    acceptInvitation: 'Accept invitation',
+    invitedToWorkspace: 'You were invited to {{workspace}}',
+    checkingInvitation: 'Checking this invitation...',
+    invitationMissing: 'This invitation link is missing required information.',
+    invitationExpired: 'This invitation has expired.',
+    invitationAlreadyRevoked: 'This invitation was revoked.',
+    invitationAlreadyUsed: 'This invitation was already used.',
+    invitationInvalid: 'This invitation is invalid or no longer available.',
+    invitationAccepted: 'Invitation accepted',
+    invitationAcceptFailed: 'Failed to accept invitation',
+    invitationEmailMismatch:
+      'This invitation belongs to a different email address.',
+    existingAccountLoginRequired:
+      'An account already exists for this email. Sign in to continue.',
+    acceptAsCurrentAccount: 'Accept with current account',
+    authenticatedInvitationNotice:
+      'Sign out first, then sign in with the invited account. Your invitation will be preserved.',
+    logoutAndReturn: 'Sign out and return to this invitation',
+    switchAccount: 'Switch account',
+    registerAndAccept: 'Create account and accept',
+    alreadyHaveAccount: 'I already have an account',
+    confirmPassword: 'Confirm password',
+    passwordMinimum: 'Password must contain at least 8 characters.',
+    passwordMismatch: 'The passwords do not match.',
+    backToLogin: 'Back to sign in',
+    memberUpdated: 'Member role updated',
+    memberUpdateFailed: 'Failed to update member role',
+    removeMember: 'Remove member',
+    removeMemberConfirm: 'Remove this member from the Workspace?',
+    memberRemoved: 'Member removed',
+    memberRemoveFailed: 'Failed to remove member',
+    transferOwnership: 'Transfer ownership',
+    types: {
+      personal: 'Personal',
+      team: 'Team',
+    },
+    roles: {
+      owner: 'Owner',
+      admin: 'Admin',
+      developer: 'Developer',
+      operator: 'Operator',
+      viewer: 'Viewer',
+    },
+  },
 };
 
 export default ruRU;

web/src/i18n/locales/th-TH.ts

@@ -169,6 +169,8 @@ const thTH = {
     more: 'เพิ่มเติม ({{count}})',
     less: 'น้อยลง',
     noItems: 'ไม่มีรายการ',
+
+    apiKeyStoredSecurely: 'Secret shown only when created',
   },
   notFound: {
     title: 'ไม่พบหน้า',
@@ -310,6 +312,11 @@ const thTH = {
       fallbackList: 'โมเดลสำรอง',
       addFallback: 'เพิ่มโมเดลสำรอง',
     },
+
+    ownerMustBindSpace:
+      'The Workspace owner must connect Space for LangBot Models.',
+    usesOwnerSpaceBilling:
+      "Uses the Workspace owner's Space billing and credits.",
   },
   bots: {
     title: 'บอท',
@@ -1317,6 +1324,13 @@ const thTH = {
     bindSpaceInvalidState: 'คำขอผูกไม่ถูกต้อง กรุณาลองใหม่จากการตั้งค่าบัญชี',
     setPasswordHint: 'ตั้งรหัสผ่านเพื่อเข้าสู่ระบบด้วยอีเมลและรหัสผ่าน',
     spaceEmailMismatch: 'อีเมลเข้าสู่ระบบ Space ไม่ตรงกับอีเมลบัญชีท้องถิ่น',
+
+    space_account_not_registeredTitle: 'Account not registered',
+    space_account_not_registered:
+      'No local account is registered for this Space email. Ask the Workspace owner for an invitation.',
+    space_account_binding_requiredTitle: 'Space connection required',
+    space_account_binding_required:
+      'This local account must connect Space from Account settings before using Space login.',
   },
   monitoring: {
     title: 'แดชบอร์ด',
@@ -1573,6 +1587,8 @@ const thTH = {
       api: 'API',
       storage: 'พื้นที่จัดเก็บ',
       account: 'บัญชี',
+
+      workspace: 'Workspace',
     },
   },
   storageAnalysis: {
@@ -1871,6 +1887,90 @@ const thTH = {
     createSkillHint: 'นำเข้าจากไดเรกทอรีในเครื่องหรือสร้างด้วยตนเอง',
     unsupportedFileType: 'ประเภทไฟล์ไม่รองรับ รองรับเฉพาะไฟล์ .zip และ .lbpkg',
   },
+
+  workspace: {
+    title: 'Workspace',
+    description: 'Manage members, roles, and invitation links',
+    selectTitle: 'Choose a Workspace',
+    selectDescription: 'Select where you want to continue in LangBot.',
+    selectionLoadFailed:
+      'Your Workspaces could not be loaded. Please try again.',
+    switchWorkspace: 'Switch Workspace',
+    settings: 'Workspace Settings',
+    currentPlan: 'Current plan',
+    planUnavailable: 'Unavailable',
+    upgradePlan: 'Change or upgrade plan',
+    ossSingletonDescription:
+      'This self-hosted instance has one Workspace and can include multiple users.',
+    cloudManagedDescription:
+      'This Workspace is hosted by LangBot Cloud. Manage members here; billing opens in Cloud.',
+    loadFailed: 'Failed to load Workspace information',
+    members: 'Members',
+    you: 'You',
+    inviteMember: 'Invite a member',
+    inviteDescription:
+      'Create a one-time link to add another user to this Workspace.',
+    emailPlaceholder: 'member@example.com',
+    createInvitation: 'Create invitation',
+    invitationCreated: 'Invitation created',
+    delivery: {
+      sent: 'Invitation sent',
+      link_only: 'Invitation link created',
+      failed: 'Invitation link created, but email could not be sent',
+    },
+    invitationCreateFailed: 'Failed to create invitation',
+    oneTimeLinkWarning: 'Copy this link now. It is shown only once.',
+    copyInvitation: 'Copy invitation link',
+    invitationCopied: 'Invitation link copied',
+    pendingInvitations: 'Pending invitations',
+    expiresAt: 'Expires {{date}}',
+    revokeInvitation: 'Revoke invitation',
+    invitationRevoked: 'Invitation revoked',
+    invitationRevokeFailed: 'Failed to revoke invitation',
+    acceptInvitation: 'Accept invitation',
+    invitedToWorkspace: 'You were invited to {{workspace}}',
+    checkingInvitation: 'Checking this invitation...',
+    invitationMissing: 'This invitation link is missing required information.',
+    invitationExpired: 'This invitation has expired.',
+    invitationAlreadyRevoked: 'This invitation was revoked.',
+    invitationAlreadyUsed: 'This invitation was already used.',
+    invitationInvalid: 'This invitation is invalid or no longer available.',
+    invitationAccepted: 'Invitation accepted',
+    invitationAcceptFailed: 'Failed to accept invitation',
+    invitationEmailMismatch:
+      'This invitation belongs to a different email address.',
+    existingAccountLoginRequired:
+      'An account already exists for this email. Sign in to continue.',
+    acceptAsCurrentAccount: 'Accept with current account',
+    authenticatedInvitationNotice:
+      'Sign out first, then sign in with the invited account. Your invitation will be preserved.',
+    logoutAndReturn: 'Sign out and return to this invitation',
+    switchAccount: 'Switch account',
+    registerAndAccept: 'Create account and accept',
+    alreadyHaveAccount: 'I already have an account',
+    confirmPassword: 'Confirm password',
+    passwordMinimum: 'Password must contain at least 8 characters.',
+    passwordMismatch: 'The passwords do not match.',
+    backToLogin: 'Back to sign in',
+    memberUpdated: 'Member role updated',
+    memberUpdateFailed: 'Failed to update member role',
+    removeMember: 'Remove member',
+    removeMemberConfirm: 'Remove this member from the Workspace?',
+    memberRemoved: 'Member removed',
+    memberRemoveFailed: 'Failed to remove member',
+    transferOwnership: 'Transfer ownership',
+    types: {
+      personal: 'Personal',
+      team: 'Team',
+    },
+    roles: {
+      owner: 'Owner',
+      admin: 'Admin',
+      developer: 'Developer',
+      operator: 'Operator',
+      viewer: 'Viewer',
+    },
+  },
 };
 
 export default thTH;

web/src/i18n/locales/vi-VN.ts

@@ -172,6 +172,8 @@ const viVN = {
     more: 'Thêm ({{count}})',
     less: 'Thu gọn',
     noItems: 'Không có mục nào',
+
+    apiKeyStoredSecurely: 'Secret shown only when created',
   },
   notFound: {
     title: 'Không tìm thấy trang',
@@ -319,6 +321,11 @@ const viVN = {
       fallbackList: 'Mô hình dự phòng',
       addFallback: 'Thêm mô hình dự phòng',
     },
+
+    ownerMustBindSpace:
+      'The Workspace owner must connect Space for LangBot Models.',
+    usesOwnerSpaceBilling:
+      "Uses the Workspace owner's Space billing and credits.",
   },
   bots: {
     title: 'Bot',
@@ -1343,6 +1350,13 @@ const viVN = {
     setPasswordHint: 'Đặt mật khẩu để đăng nhập bằng email và mật khẩu',
     spaceEmailMismatch:
       'Email đăng nhập Space không khớp với email tài khoản cục bộ',
+
+    space_account_not_registeredTitle: 'Account not registered',
+    space_account_not_registered:
+      'No local account is registered for this Space email. Ask the Workspace owner for an invitation.',
+    space_account_binding_requiredTitle: 'Space connection required',
+    space_account_binding_required:
+      'This local account must connect Space from Account settings before using Space login.',
   },
   monitoring: {
     title: 'Bảng điều khiển',
@@ -1599,6 +1613,8 @@ const viVN = {
       api: 'API',
       storage: 'Lưu trữ',
       account: 'Tài khoản',
+
+      workspace: 'Workspace',
     },
   },
   storageAnalysis: {
@@ -1905,6 +1921,90 @@ const viVN = {
     unsupportedFileType:
       'Loại tệp không được hỗ trợ. Chỉ hỗ trợ tệp .zip và .lbpkg',
   },
+
+  workspace: {
+    title: 'Workspace',
+    description: 'Manage members, roles, and invitation links',
+    selectTitle: 'Choose a Workspace',
+    selectDescription: 'Select where you want to continue in LangBot.',
+    selectionLoadFailed:
+      'Your Workspaces could not be loaded. Please try again.',
+    switchWorkspace: 'Switch Workspace',
+    settings: 'Workspace Settings',
+    currentPlan: 'Current plan',
+    planUnavailable: 'Unavailable',
+    upgradePlan: 'Change or upgrade plan',
+    ossSingletonDescription:
+      'This self-hosted instance has one Workspace and can include multiple users.',
+    cloudManagedDescription:
+      'This Workspace is hosted by LangBot Cloud. Manage members here; billing opens in Cloud.',
+    loadFailed: 'Failed to load Workspace information',
+    members: 'Members',
+    you: 'You',
+    inviteMember: 'Invite a member',
+    inviteDescription:
+      'Create a one-time link to add another user to this Workspace.',
+    emailPlaceholder: 'member@example.com',
+    createInvitation: 'Create invitation',
+    invitationCreated: 'Invitation created',
+    delivery: {
+      sent: 'Invitation sent',
+      link_only: 'Invitation link created',
+      failed: 'Invitation link created, but email could not be sent',
+    },
+    invitationCreateFailed: 'Failed to create invitation',
+    oneTimeLinkWarning: 'Copy this link now. It is shown only once.',
+    copyInvitation: 'Copy invitation link',
+    invitationCopied: 'Invitation link copied',
+    pendingInvitations: 'Pending invitations',
+    expiresAt: 'Expires {{date}}',
+    revokeInvitation: 'Revoke invitation',
+    invitationRevoked: 'Invitation revoked',
+    invitationRevokeFailed: 'Failed to revoke invitation',
+    acceptInvitation: 'Accept invitation',
+    invitedToWorkspace: 'You were invited to {{workspace}}',
+    checkingInvitation: 'Checking this invitation...',
+    invitationMissing: 'This invitation link is missing required information.',
+    invitationExpired: 'This invitation has expired.',
+    invitationAlreadyRevoked: 'This invitation was revoked.',
+    invitationAlreadyUsed: 'This invitation was already used.',
+    invitationInvalid: 'This invitation is invalid or no longer available.',
+    invitationAccepted: 'Invitation accepted',
+    invitationAcceptFailed: 'Failed to accept invitation',
+    invitationEmailMismatch:
+      'This invitation belongs to a different email address.',
+    existingAccountLoginRequired:
+      'An account already exists for this email. Sign in to continue.',
+    acceptAsCurrentAccount: 'Accept with current account',
+    authenticatedInvitationNotice:
+      'Sign out first, then sign in with the invited account. Your invitation will be preserved.',
+    logoutAndReturn: 'Sign out and return to this invitation',
+    switchAccount: 'Switch account',
+    registerAndAccept: 'Create account and accept',
+    alreadyHaveAccount: 'I already have an account',
+    confirmPassword: 'Confirm password',
+    passwordMinimum: 'Password must contain at least 8 characters.',
+    passwordMismatch: 'The passwords do not match.',
+    backToLogin: 'Back to sign in',
+    memberUpdated: 'Member role updated',
+    memberUpdateFailed: 'Failed to update member role',
+    removeMember: 'Remove member',
+    removeMemberConfirm: 'Remove this member from the Workspace?',
+    memberRemoved: 'Member removed',
+    memberRemoveFailed: 'Failed to remove member',
+    transferOwnership: 'Transfer ownership',
+    types: {
+      personal: 'Personal',
+      team: 'Team',
+    },
+    roles: {
+      owner: 'Owner',
+      admin: 'Admin',
+      developer: 'Developer',
+      operator: 'Operator',
+      viewer: 'Viewer',
+    },
+  },
 };
 
 export default viVN;

web/src/i18n/locales/zh-Hant.ts

@@ -160,6 +160,8 @@ const zhHant = {
     more: '更多 ({{count}})',
     less: '收起',
     noItems: '暫無內容',
+
+    apiKeyStoredSecurely: 'Secret shown only when created',
   },
   notFound: {
     title: '頁面不存在',
@@ -300,6 +302,11 @@ const zhHant = {
       fallbackList: '備用模型',
       addFallback: '新增備用模型',
     },
+
+    ownerMustBindSpace:
+      'The Workspace owner must connect Space for LangBot Models.',
+    usesOwnerSpaceBilling:
+      "Uses the Workspace owner's Space billing and credits.",
   },
   bots: {
     title: '機器人',
@@ -1270,6 +1277,13 @@ const zhHant = {
     bindSpaceInvalidState: '無效的綁定請求，請從帳戶設定重新發起',
     setPasswordHint: '設定密碼後可使用電子郵件密碼登入',
     spaceEmailMismatch: 'Space登入帳號電子郵件與本實例帳號電子郵件不匹配',
+
+    space_account_not_registeredTitle: 'Account not registered',
+    space_account_not_registered:
+      'No local account is registered for this Space email. Ask the Workspace owner for an invitation.',
+    space_account_binding_requiredTitle: 'Space connection required',
+    space_account_binding_required:
+      'This local account must connect Space from Account settings before using Space login.',
   },
   monitoring: {
     title: '儀表盤',
@@ -1525,6 +1539,8 @@ const zhHant = {
       api: 'API',
       storage: '儲存',
       account: '帳戶',
+
+      workspace: 'Workspace',
     },
   },
   storageAnalysis: {
@@ -1812,6 +1828,90 @@ const zhHant = {
     saveFileSuccess: '檔案儲存成功',
     saveFileError: '檔案儲存失敗：',
   },
+
+  workspace: {
+    title: 'Workspace',
+    description: 'Manage members, roles, and invitation links',
+    selectTitle: 'Choose a Workspace',
+    selectDescription: 'Select where you want to continue in LangBot.',
+    selectionLoadFailed:
+      'Your Workspaces could not be loaded. Please try again.',
+    switchWorkspace: 'Switch Workspace',
+    settings: 'Workspace Settings',
+    currentPlan: 'Current plan',
+    planUnavailable: 'Unavailable',
+    upgradePlan: 'Change or upgrade plan',
+    ossSingletonDescription:
+      'This self-hosted instance has one Workspace and can include multiple users.',
+    cloudManagedDescription:
+      'This Workspace is hosted by LangBot Cloud. Manage members here; billing opens in Cloud.',
+    loadFailed: 'Failed to load Workspace information',
+    members: 'Members',
+    you: 'You',
+    inviteMember: 'Invite a member',
+    inviteDescription:
+      'Create a one-time link to add another user to this Workspace.',
+    emailPlaceholder: 'member@example.com',
+    createInvitation: 'Create invitation',
+    invitationCreated: 'Invitation created',
+    delivery: {
+      sent: 'Invitation sent',
+      link_only: 'Invitation link created',
+      failed: 'Invitation link created, but email could not be sent',
+    },
+    invitationCreateFailed: 'Failed to create invitation',
+    oneTimeLinkWarning: 'Copy this link now. It is shown only once.',
+    copyInvitation: 'Copy invitation link',
+    invitationCopied: 'Invitation link copied',
+    pendingInvitations: 'Pending invitations',
+    expiresAt: 'Expires {{date}}',
+    revokeInvitation: 'Revoke invitation',
+    invitationRevoked: 'Invitation revoked',
+    invitationRevokeFailed: 'Failed to revoke invitation',
+    acceptInvitation: 'Accept invitation',
+    invitedToWorkspace: 'You were invited to {{workspace}}',
+    checkingInvitation: 'Checking this invitation...',
+    invitationMissing: 'This invitation link is missing required information.',
+    invitationExpired: 'This invitation has expired.',
+    invitationAlreadyRevoked: 'This invitation was revoked.',
+    invitationAlreadyUsed: 'This invitation was already used.',
+    invitationInvalid: 'This invitation is invalid or no longer available.',
+    invitationAccepted: 'Invitation accepted',
+    invitationAcceptFailed: 'Failed to accept invitation',
+    invitationEmailMismatch:
+      'This invitation belongs to a different email address.',
+    existingAccountLoginRequired:
+      'An account already exists for this email. Sign in to continue.',
+    acceptAsCurrentAccount: 'Accept with current account',
+    authenticatedInvitationNotice:
+      'Sign out first, then sign in with the invited account. Your invitation will be preserved.',
+    logoutAndReturn: 'Sign out and return to this invitation',
+    switchAccount: 'Switch account',
+    registerAndAccept: 'Create account and accept',
+    alreadyHaveAccount: 'I already have an account',
+    confirmPassword: 'Confirm password',
+    passwordMinimum: 'Password must contain at least 8 characters.',
+    passwordMismatch: 'The passwords do not match.',
+    backToLogin: 'Back to sign in',
+    memberUpdated: 'Member role updated',
+    memberUpdateFailed: 'Failed to update member role',
+    removeMember: 'Remove member',
+    removeMemberConfirm: 'Remove this member from the Workspace?',
+    memberRemoved: 'Member removed',
+    memberRemoveFailed: 'Failed to remove member',
+    transferOwnership: 'Transfer ownership',
+    types: {
+      personal: 'Personal',
+      team: 'Team',
+    },
+    roles: {
+      owner: 'Owner',
+      admin: 'Admin',
+      developer: 'Developer',
+      operator: 'Operator',
+      viewer: 'Viewer',
+    },
+  },
 };
 
 export default zhHant;

web/tests/unit/support-admin-session.test.mjs

@@ -0,0 +1,42 @@
+import assert from 'node:assert/strict';
+import fs from 'node:fs';
+import path from 'node:path';
+import test from 'node:test';
+import { fileURLToPath } from 'node:url';
+
+const root = path.resolve(
+  path.dirname(fileURLToPath(import.meta.url)),
+  '../..',
+);
+const read = (file) => fs.readFileSync(path.join(root, file), 'utf8');
+
+test('support-admin launch stores a scoped principal instead of starting an Account session', () => {
+  const callback = read('src/app/auth/space/callback/page.tsx');
+  assert.match(callback, /response\.principal_type === 'support_admin'/);
+  assert.match(
+    callback,
+    /beginSupportAdminSession\(response\.token, response\.workspace_uuid\)/,
+  );
+});
+
+test('support-admin workspace bootstrap never calls Account bootstrap', () => {
+  const source = read('src/app/infra/http/index.ts');
+  assert.match(source, /export function beginSupportAdminSession/);
+  assert.match(source, /export function isSupportAdminSession\(\): boolean/);
+  const supportBranch = source.indexOf('if (isSupportAdminSession())');
+  const accountBootstrap = source.indexOf(
+    'backendClient.getWorkspaceBootstrap()',
+  );
+  assert.ok(supportBranch >= 0);
+  assert.ok(accountBootstrap > supportBranch);
+  assert.match(
+    source.slice(supportBranch, accountBootstrap),
+    /initializeWorkspaceInfo\([\s\S]*status: 'ready'/,
+  );
+  assert.match(
+    source,
+    /localStorage\.setItem\('authPrincipalType', 'support_admin'\)/,
+  );
+  const homeLayout = read('src/app/home/layout.tsx');
+  assert.match(homeLayout, /!isSupportAdminSession\(\)/);
+});