refactor: remove unused cache management and selection clearing logic from hooks

lib/hooks/useSearchCache.ts

@@ -11,8 +11,6 @@ const CACHE_KEY = 'kvideo_search_cache';
 const CACHE_DURATION = 10 * 60 * 1000; // 10 minutes
 
 export function useSearchCache() {
-  const hasLoadedCache = useRef(false);
-
   const saveToCache = (
     query: string,
     results: any[],
@@ -53,19 +51,8 @@ export function useSearchCache() {
     }
   };
 
-  const clearCache = () => {
-    try {
-      localStorage.removeItem(CACHE_KEY);
-      console.log('🗑️ Cache cleared');
-    } catch (error) {
-      console.error('Failed to clear cache:', error);
-    }
-  };
-
   return {
     saveToCache,
     loadFromCache,
-    clearCache,
-    hasLoadedCache,
   };
 }

lib/hooks/useSourceBadges.ts

@@ -46,11 +46,6 @@ export function useSourceBadges<T extends { source?: string; sourceName?: string
     });
   }, []);
 
-  // Clear all selections
-  const clearSelection = useCallback(() => {
-    setSelectedSources(new Set());
-  }, []);
-
   // Auto-cleanup: remove selected sources that no longer exist
   useEffect(() => {
     const availableSourceIds = new Set(availableSources.map(s => s.id));
@@ -72,7 +67,5 @@ export function useSourceBadges<T extends { source?: string; sourceName?: string
     selectedSources,
     filteredVideos,
     toggleSource,
-    clearSelection,
-    hasFilters: selectedSources.size > 0,
   };
 }

lib/hooks/useTypeBadges.ts

@@ -1,6 +1,6 @@
 'use client';
 
-import { useState, useEffect, useMemo, useCallback, useTransition } from 'react';
+import { useState, useEffect, useMemo, useCallback } from 'react';
 
 interface TypeBadge {
   type: string;
@@ -19,7 +19,6 @@ interface TypeBadge {
  */
 export function useTypeBadges<T extends { type_name?: string }>(videos: T[]) {
   const [selectedTypes, setSelectedTypes] = useState<Set<string>>(new Set());
-  const [isPending, startTransition] = useTransition();
 
   // Collect and count type badges from videos
   const typeBadges = useMemo<TypeBadge[]>(() => {
@@ -50,7 +49,6 @@ export function useTypeBadges<T extends { type_name?: string }>(videos: T[]) {
   }, [videos, selectedTypes]);
 
   // Toggle type selection - useCallback to prevent re-creation
-  // Use startTransition to make UI feel responsive
   const toggleType = useCallback((type: string) => {
     // Update selected types immediately (high priority)
     setSelectedTypes(prev => {
@@ -64,11 +62,6 @@ export function useTypeBadges<T extends { type_name?: string }>(videos: T[]) {
     });
   }, []);
 
-  // Clear all selections - useCallback to prevent re-creation
-  const clearSelection = useCallback(() => {
-    setSelectedTypes(new Set());
-  }, []);
-
   // Auto-cleanup: remove selected types that no longer exist in badges
   useEffect(() => {
     const availableTypes = new Set(typeBadges.map(b => b.type));
@@ -91,8 +84,5 @@ export function useTypeBadges<T extends { type_name?: string }>(videos: T[]) {
     selectedTypes,
     filteredVideos,
     toggleType,
-    clearSelection,
-    hasFilters: selectedTypes.size > 0,
-    isPending, // Export pending state
   };
 }