refactor: preserve origin session routing for cron

nanobot/webui/ws_http.py

@@ -139,7 +139,6 @@ class GatewayHTTPHandler:
         runtime_model_name: Callable[[], str | None] | None,
         runtime_surface: str,
         runtime_capabilities_overrides: dict[str, Any] | None,
-        unified_session: bool = False,
         bus: MessageBus,
         tokens: GatewayTokenStore,
         media: WebUIMediaGateway,
@@ -162,7 +161,6 @@ class GatewayHTTPHandler:
         self.cron_service = cron_service
         self._log = log
         self._runtime_surface = runtime_surface
-        self._unified_session = unified_session
 
         from nanobot.webui.settings_api import runtime_capabilities as _rc
         from nanobot.webui.settings_routes import WebUISettingsRouter
@@ -439,7 +437,7 @@ class GatewayHTTPHandler:
         if not _is_websocket_channel_session_key(decoded_key):
             return _http_error(404, "session not found")
         return _http_json_response(
-            session_automations_payload(self.cron_service, self._automation_display_key(decoded_key))
+            session_automations_payload(self.cron_service, decoded_key)
         )
 
     def _handle_session_delete(self, request: WsRequest, key: str) -> Response:
@@ -470,10 +468,6 @@ class GatewayHTTPHandler:
         delete_webui_thread(decoded_key)
         return _http_json_response({"deleted": bool(deleted)})
 
-    def _automation_display_key(self, session_key: str) -> str:
-        """Return the cron ownership key shown for this WebUI thread."""
-        return session_key
-
     # -- Media routes -------------------------------------------------------
 
     def _dispatch_media_routes(self, request: WsRequest, got: str) -> Response | None: