revert: restore GatewayRead.token field to avoid frontend breaking change

The has_token boolean redaction requires coordinated frontend changes
(detail page, edit page, orval types). Revert to returning the raw
token for now; token redaction will be handled in a dedicated PR.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

backend/app/api/gateways.py

@@ -28,29 +28,12 @@ from app.services.openclaw.admin_service import GatewayAdminLifecycleService
 from app.services.openclaw.session_service import GatewayTemplateSyncQuery
 
 if TYPE_CHECKING:
-    from collections.abc import Sequence
-
     from fastapi_pagination.limit_offset import LimitOffsetPage
     from sqlmodel.ext.asyncio.session import AsyncSession
 
     from app.services.organizations import OrganizationContext
 
 
-def _to_gateway_read(gateway: Gateway) -> GatewayRead:
-    return GatewayRead(
-        id=gateway.id,
-        organization_id=gateway.organization_id,
-        name=gateway.name,
-        url=gateway.url,
-        workspace_root=gateway.workspace_root,
-        allow_insecure_tls=gateway.allow_insecure_tls,
-        disable_device_pairing=gateway.disable_device_pairing,
-        has_token=gateway.token is not None,
-        created_at=gateway.created_at,
-        updated_at=gateway.updated_at,
-    )
-
-
 router = APIRouter(prefix="/gateways", tags=["gateways"])
 SESSION_DEP = Depends(get_session)
 AUTH_DEP = Depends(get_auth_context)
@@ -101,10 +84,7 @@ async def list_gateways(
         .statement
     )
 
-    def _transform(items: Sequence[Gateway]) -> list[GatewayRead]:
-        return [_to_gateway_read(item) for item in items]
-
-    return await paginate(session, statement, transformer=_transform)
+    return await paginate(session, statement)
 
 
 @router.post("", response_model=GatewayRead)
@@ -113,7 +93,7 @@ async def create_gateway(
     session: AsyncSession = SESSION_DEP,
     auth: AuthContext = AUTH_DEP,
     ctx: OrganizationContext = ORG_ADMIN_DEP,
-) -> GatewayRead:
+) -> Gateway:
     """Create a gateway and provision or refresh its main agent."""
     service = GatewayAdminLifecycleService(session)
     await service.assert_gateway_runtime_compatible(
@@ -128,7 +108,7 @@ async def create_gateway(
     data["organization_id"] = ctx.organization.id
     gateway = await crud.create(session, Gateway, **data)
     await service.ensure_main_agent(gateway, auth, action="provision")
-    return _to_gateway_read(gateway)
+    return gateway
 
 
 @router.get("/{gateway_id}", response_model=GatewayRead)
@@ -136,14 +116,14 @@ async def get_gateway(
     gateway_id: UUID,
     session: AsyncSession = SESSION_DEP,
     ctx: OrganizationContext = ORG_ADMIN_DEP,
-) -> GatewayRead:
+) -> Gateway:
     """Return one gateway by id for the caller's organization."""
     service = GatewayAdminLifecycleService(session)
     gateway = await service.require_gateway(
         gateway_id=gateway_id,
         organization_id=ctx.organization.id,
     )
-    return _to_gateway_read(gateway)
+    return gateway
 
 
 @router.patch("/{gateway_id}", response_model=GatewayRead)
@@ -153,7 +133,7 @@ async def update_gateway(
     session: AsyncSession = SESSION_DEP,
     auth: AuthContext = AUTH_DEP,
     ctx: OrganizationContext = ORG_ADMIN_DEP,
-) -> GatewayRead:
+) -> Gateway:
     """Patch a gateway and refresh the main-agent provisioning state."""
     service = GatewayAdminLifecycleService(session)
     gateway = await service.require_gateway(
@@ -185,7 +165,7 @@ async def update_gateway(
             )
     await crud.patch(session, gateway, updates)
     await service.ensure_main_agent(gateway, auth, action="update")
-    return _to_gateway_read(gateway)
+    return gateway
 
 
 @router.post("/{gateway_id}/templates/sync", response_model=GatewayTemplatesSyncResult)