feat: 修正 web search 工具

src/tools/WebSearchTool/adapters/index.ts

@@ -0,0 +1,41 @@
+/**
+ * Search adapter factory — selects the appropriate backend by checking
+ * whether the API base URL points to Anthropic's official endpoint.
+ */
+
+import { isFirstPartyAnthropicBaseUrl } from '../../../utils/model/providers.js'
+import { ApiSearchAdapter } from './apiAdapter.js'
+import { BingSearchAdapter } from './bingAdapter.js'
+import type { WebSearchAdapter } from './types.js'
+
+export type { SearchResult, SearchOptions, SearchProgress, WebSearchAdapter } from './types.js'
+
+let cachedAdapter: WebSearchAdapter | null = null
+
+export function createAdapter(): WebSearchAdapter {
+	// 直接用 bing 适配器，跳过 API 适配器的选择逻辑
+  return new BingSearchAdapter()
+//   // Adapter is stateless — safe to reuse across calls within a session
+//   if (cachedAdapter) return cachedAdapter
+
+//   // Env override: WEB_SEARCH_ADAPTER=api|bing forces specific backend
+//   const envAdapter = process.env.WEB_SEARCH_ADAPTER
+//   if (envAdapter === 'api') {
+//     cachedAdapter = new ApiSearchAdapter()
+//     return cachedAdapter
+//   }
+//   if (envAdapter === 'bing') {
+//     cachedAdapter = new BingSearchAdapter()
+//     return cachedAdapter
+//   }
+
+//   // Anthropic official URL → API server-side search
+//   if (isFirstPartyAnthropicBaseUrl()) {
+//     cachedAdapter = new ApiSearchAdapter()
+//     return cachedAdapter
+//   }
+
+//   // Third-party proxies / non-Anthropic endpoints → Bing fallback
+//   cachedAdapter = new BingSearchAdapter()
+//   return cachedAdapter
+}