fix: make FuzzySearch generic to support typed items

- Add SearchableItem base interface for minimum required fields
- Make FuzzySearch class generic with type parameter
- Update all page scripts to use typed FuzzySearch instances
- Fix type casting in calculateScore method

website/src/scripts/pages/agents.ts

@@ -25,7 +25,7 @@ interface AgentsData {
 
 const resourceType = 'agent';
 let allItems: Agent[] = [];
-let search = new FuzzySearch();
+let search = new FuzzySearch<Agent>();
 let modelSelect: Choices;
 let toolSelect: Choices;
 

website/src/scripts/pages/collections.ts

@@ -2,13 +2,14 @@
  * Collections page functionality
  */
 import { createChoices, getChoicesValues, type Choices } from '../choices';
-import { FuzzySearch, type SearchItem } from '../search';
+import { FuzzySearch } from '../search';
 import { fetchData, debounce, escapeHtml, getGitHubUrl } from '../utils';
 import { setupModal, openFileModal } from '../modal';
 
 interface Collection {
   id: string;
   name: string;
+  title: string;
   description?: string;
   path: string;
   tags?: string[];
@@ -25,7 +26,7 @@ interface CollectionsData {
 
 const resourceType = 'collection';
 let allItems: Collection[] = [];
-let search = new FuzzySearch();
+let search = new FuzzySearch<Collection>();
 let tagSelect: Choices;
 let currentFilters = {
   tags: [] as string[],

website/src/scripts/pages/index.ts

@@ -48,7 +48,7 @@ export async function initHomepage(): Promise<void> {
   // Load search index
   const searchIndex = await fetchData<SearchItem[]>('search-index.json');
   if (searchIndex) {
-    const search = new FuzzySearch();
+    const search = new FuzzySearch<SearchItem>();
     search.setItems(searchIndex);
     
     const searchInput = document.getElementById('global-search') as HTMLInputElement;

website/src/scripts/pages/instructions.ts

@@ -23,7 +23,7 @@ interface InstructionsData {
 
 const resourceType = 'instruction';
 let allItems: Instruction[] = [];
-let search = new FuzzySearch();
+let search = new FuzzySearch<Instruction>();
 let extensionSelect: Choices;
 let currentFilters = { extensions: [] as string[] };
 

website/src/scripts/pages/prompts.ts

@@ -22,7 +22,7 @@ interface PromptsData {
 
 const resourceType = 'prompt';
 let allItems: Prompt[] = [];
-let search = new FuzzySearch();
+let search = new FuzzySearch<Prompt>();
 let toolSelect: Choices;
 let currentFilters = { tools: [] as string[] };
 

website/src/scripts/pages/skills.ts

@@ -33,7 +33,7 @@ interface SkillsData {
 
 const resourceType = 'skill';
 let allItems: Skill[] = [];
-let search = new FuzzySearch();
+let search = new FuzzySearch<Skill>();
 let categorySelect: Choices;
 let currentFilters = {
   categories: [] as string[],