🔍 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-schemas/src/schema/defaults.ts

@@ -134,6 +134,14 @@ export const conversationPreset = {
   useResponsesApi: {
     type: Boolean,
   },
+  /** OpenAI Responses API / Anthropic API */
+  web_search: {
+    type: Boolean,
+  },
+  /** Google */
+  grounding: {
+    type: Boolean,
+  },
   /** Reasoning models only */
   reasoning_effort: {
     type: String,