Add TypeScript definitions for '@tavily/core' module

This new file defines interfaces and types for using the '@tavily/core' library. It includes options for search parameters, image and search result structures, and the main client interface and function. This improves type safety and development experience when integrating Tavily into TypeScript projects.

Took 59 seconds

Author: mikepsinn

types/tavily.d.ts

@@ -0,0 +1,43 @@
+declare module '@tavily/core' {
+  export interface TavilySearchOptions {
+    searchDepth?: "basic" | "advanced";
+    topic?: "general" | "news" | "finance";
+    days?: number;
+    maxResults?: number;
+    includeImages?: boolean;
+    includeImageDescriptions?: boolean;
+    includeAnswer?: boolean;
+    includeRawContent?: boolean;
+    includeDomains?: Array<string>;
+    excludeDomains?: Array<string>;
+    maxTokens?: number;
+  }
+
+  export interface TavilyImage {
+    url: string;
+    description?: string;
+  }
+
+  export interface TavilySearchResult {
+    title: string;
+    url: string;
+    content: string;
+    rawContent?: string;
+    score: number;
+    publishedDate: string;
+  }
+
+  export interface TavilySearchResponse {
+    answer?: string;
+    query: string;
+    responseTime: number;
+    images: Array<TavilyImage>;
+    results: Array<TavilySearchResult>;
+  }
+
+  export interface TavilyClient {
+    search: (query: string, options: TavilySearchOptions) => Promise<TavilySearchResponse>;
+  }
+
+  export function tavily(options?: { apiKey?: string }): TavilyClient;
+}