🔍 feat: Add Google Search Grounding Toggle (#8174)

* ✨ feat: Add Google Search Grounding Feature and Update Agent Tool Initialization

- Introduced a new grounding option in the Google configuration to enable real-time web search results.
- Updated the agent initialization to concatenate additional tools from options.
- Enhanced translation files to include descriptions for the new grounding feature.
- Modified relevant schemas and parameter settings to support the grounding functionality.

* 🔑 chore: Update @librechat/agents dependency to version 2.4.50

* ✅ fix: Ensure tools array is initialized before concatenation in initializeAgent function

* chore: Update version of librechat-data-provider to 0.7.899 and add GOOGLE_TOOL_CONFLICT error type

* fix: Adjust label class for better text wrapping in DynamicSwitch component

* fix: Handle Google tool conflict error and update error messages in translation

* fix: Restore grounding setting in googleCol2 configuration

---------

Co-authored-by: Danny Avila <danny@librechat.ai>

packages/api/src/endpoints/google/llm.ts

@@ -1,6 +1,7 @@
 import { Providers } from '@librechat/agents';
 import { googleSettings, AuthKeys } from 'librechat-data-provider';
 import type { GoogleClientOptions, VertexAIClientOptions } from '@librechat/agents';
+import type { GoogleAIToolType } from '@langchain/google-common';
 import type * as t from '~/types';
 import { isEnabled } from '~/utils';
 
@@ -105,6 +106,7 @@ export function getGoogleConfig(
   const authHeader = options.authHeader;
 
   const {
+    grounding,
     thinking = googleSettings.thinking.default,
     thinkingBudget = googleSettings.thinkingBudget.default,
     ...modelOptions
@@ -187,8 +189,16 @@ export function getGoogleConfig(
     };
   }
 
+  const tools: GoogleAIToolType[] = [];
+
+  if (grounding) {
+    tools.push({ googleSearch: {} });
+  }
+
   // Return the final shape
   return {
+    /** @type {GoogleAIToolType[]} */
+    tools,
     /** @type {Providers.GOOGLE | Providers.VERTEXAI} */
     provider,
     /** @type {GoogleClientOptions | VertexAIClientOptions} */