chore: update ji local changes

- frontend: scheduled tasks pages, system-settings api, workspace nav menu
- backend: system_settings router, app_config, log_system_config, config.yaml

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

frontend-web/src/core/system-settings/api.ts

@@ -147,6 +147,22 @@ export async function updateCitationDisplaySettings(
   return (await response.json()) as CitationDisplaySettings;
 }
 
+export interface LogSystemSettings {
+  enabled: boolean;
+  url: string;
+  label: string;
+}
+
+export async function loadLogSystemSettings(): Promise<LogSystemSettings> {
+  const response = await apiFetch(
+    `${getBackendBaseURL()}/api/system-settings/log-system`,
+  );
+  if (!response.ok) {
+    throw new Error(`Failed to load log system settings: ${response.status}`);
+  }
+  return (await response.json()) as LogSystemSettings;
+}
+
 export async function updatePrivateSquareSettings(
   body: PrivateSquareUpdate,
 ): Promise<PrivateSquareStatus> {