feat: improve citation display and skill persistence

frontend-web/src/core/settings/local.ts

@@ -4,10 +4,11 @@ export const DEFAULT_LOCAL_SETTINGS: LocalSettings = {
   notification: {
     enabled: true,
   },
-  display: {
-    streamSpeedMeterEnabled: true,
-    ragModeEnabled: false,
-  },
+  display: {
+    streamSpeedMeterEnabled: true,
+    ragModeEnabled: false,
+    citationCleanupWords: [],
+  },
   context: {
     model_name: undefined,
     mode: undefined,
@@ -38,8 +39,13 @@ export interface LocalSettings {
      * Global switch for skill result display adapters. When disabled, chat
      * messages render tool results with the legacy generic search UI only.
      */
-    ragModeEnabled: boolean;
-  };
+    ragModeEnabled: boolean;
+    /**
+     * Admin-maintained words or short phrases removed from reference snippets
+     * and dialogs, one entry per line in the settings UI.
+     */
+    citationCleanupWords: string[];
+  };
   context: Omit<
     AgentThreadContext,
     | "thread_id"