fix: remove unused variables causing TS6133 CI build failures

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

Author: bealqiu

packages/app/src/components/layout/AppLayout.tsx

@@ -57,7 +57,7 @@ export function AppLayout() {
   const initTab = useReaderStore((s) => s.initTab);
   const readerStoreTabs = useReaderStore((s) => s.tabs);
   const books = useLibraryStore((s) => s.books);
-  const { hasCompletedOnboarding, _hasHydrated } = useSettingsStore();
+  const { hasCompletedOnboarding: _hasCompletedOnboarding, _hasHydrated } = useSettingsStore();
   const { t } = useTranslation();
 
   // Command palette state

packages/app/src/components/onboarding/steps/AIPage.tsx

@@ -39,14 +39,6 @@ export function AIPage({ onNext, onPrev, step, totalSteps }: any) {
     { id: "ollama", name: "Ollama (Local)", defaultUrl: "http://localhost:11434" },
   ];
 
-  // Find the endpoint with actual config (first one with API key, or active, or first)
-  const getConfiguredEndpoint = () => {
-    // Priority: 1st endpoint with API key > active endpoint > first endpoint
-    const endpointWithKey = aiConfig.endpoints.find((ep) => ep.apiKey && ep.apiKey.length > 0);
-    const activeEndpoint = aiConfig.endpoints.find((ep) => ep.id === aiConfig.activeEndpointId);
-    return endpointWithKey || activeEndpoint || aiConfig.endpoints[0];
-  };
-
   // Get the endpoint ID to use for syncing
   const syncEndpointId =
     aiConfig.endpoints.find((ep) => ep.apiKey && ep.apiKey.length > 0)?.id ||

packages/app/src/components/onboarding/steps/WelcomePage.tsx

@@ -7,7 +7,7 @@ import { useSettingsStore } from "@readany/core/stores/settings-store";
 
 import { OnboardingLayout } from "../OnboardingLayout";
 
-export function WelcomePage({ onNext, onPrev, step, totalSteps }: any) {
+export function WelcomePage({ onNext, onPrev: _onPrev, step, totalSteps }: any) {
   const { t } = useTranslation();
   const { completeOnboarding } = useSettingsStore();
 

packages/core/src/rag/tokenizer.ts

@@ -69,13 +69,6 @@ function isAlphanumeric(char: string): boolean {
   return ALPHANUMERIC.test(char);
 }
 
-/**
- * Check if a character is a word character (any script)
- */
-function isWordChar(char: string): boolean {
-  return isCJK(char) || isJapanese(char) || isKorean(char) || isAlphanumeric(char);
-}
-
 /**
  * Normalize text: lowercase, remove extra whitespace, normalize Unicode
  */