🔍 feat: Anthropic Web Search (#8281)

* chore: bump @librechat/agents to ^2.4.54 for anthropic web search support

* WIP: hardcoded web search tool usage

* feat: Implement web search functionality in Anthropic integration

- Updated parameters panel to include web search for anthropic models.
- Updated necessary schemas to accomodate toggle functionality

* chore: Set default web search option to false in anthropicSettings

* refactor: Rename webSearch to web_search for consistency across settings and schemas

* chore: bump @librechat/agents to v2.4.55

---------

Co-authored-by: Dustin Healy <dustinhealy1@gmail.com>

packages/data-provider/src/schemas.ts

@@ -352,6 +352,9 @@ export const anthropicSettings = {
       default: LEGACY_ANTHROPIC_MAX_OUTPUT,
     },
   },
+  web_search: {
+    default: false as const,
+  },
 };
 
 export const agentsSettings = {
@@ -634,7 +637,7 @@ export const tConversationSchema = z.object({
   reasoning_summary: eReasoningSummarySchema.optional().nullable(),
   /* OpenAI: use Responses API */
   useResponsesApi: z.boolean().optional(),
-  /* OpenAI: use Responses API with Web Search */
+  /* OpenAI Responses API / Anthropic API */
   web_search: z.boolean().optional(),
   /* Google: use Search Grounding */
   grounding: z.boolean().optional(),
@@ -742,6 +745,8 @@ export const tQueryParamsSchema = tConversationSchema
     useResponsesApi: true,
     /** @endpoints google */
     grounding: true,
+    /** @endpoints openAI, anthropic */
+    web_search: true,
     /** @endpoints google, anthropic, bedrock */
     topP: true,
     /** @endpoints google, anthropic */
@@ -1117,6 +1122,7 @@ export const anthropicBaseSchema = tConversationSchema.pick({
   greeting: true,
   spec: true,
   maxContextTokens: true,
+  web_search: true,
 });
 
 export const anthropicSchema = anthropicBaseSchema