🆕 feat: Enhanced Title Generation Config Options (#8580)

* 🏗️ refactor: Extract reasoning key logic into separate function

* refactor: Ensure `overrideProvider` is always defined in `getProviderConfig` result, and only used in `initializeAgent` if different from `agent.provider`

* feat: new title configuration options across services

- titlePrompt
- titleEndpoint
- titlePromptTemplate
- new "completion" titleMethod (new default)

* chore: update @librechat/agents and conform openai version to prevent SDK errors

* chore: add form-data package as a dependency and override to v4.0.4 to address CVE-2025-7783

* feat: add support for 'all' endpoint configuration in AppService and corresponding tests

* refactor: replace HttpsProxyAgent with ProxyAgent from undici for improved proxy handling in assistant initialization

* chore: update frontend review workflow to limit package paths to data-provider

* chore: update backend review workflow to include all package paths

api/server/services/Endpoints/assistants/initialize.spec.js

@@ -1,5 +1,5 @@
 // const OpenAI = require('openai');
-const { HttpsProxyAgent } = require('https-proxy-agent');
+const { ProxyAgent } = require('undici');
 const { ErrorTypes } = require('librechat-data-provider');
 const { getUserKey, getUserKeyExpiry, getUserKeyValues } = require('~/server/services/UserService');
 const initializeClient = require('./initalize');
@@ -107,6 +107,7 @@ describe('initializeClient', () => {
     const res = {};
 
     const { openai } = await initializeClient({ req, res });
-    expect(openai.httpAgent).toBeInstanceOf(HttpsProxyAgent);
+    expect(openai.fetchOptions).toBeDefined();
+    expect(openai.fetchOptions.dispatcher).toBeInstanceOf(ProxyAgent);
   });
 });