🪦 refactor: Remove Legacy Code (#10533)

* 🗑️ chore: Remove unused Legacy Provider clients and related helpers

* Deleted OpenAIClient and GoogleClient files along with their associated tests.
* Removed references to these clients in the clients index file.
* Cleaned up typedefs by removing the OpenAISpecClient export.
* Updated chat controllers to use the OpenAI SDK directly instead of the removed client classes.

* chore/remove-openapi-specs

* 🗑️ chore: Remove unused mergeSort and misc utility functions

* Deleted mergeSort.js and misc.js files as they are no longer needed.
* Removed references to cleanUpPrimaryKeyValue in messages.js and adjusted related logic.
* Updated mongoMeili.ts to eliminate local implementations of removed functions.

* chore: remove legacy endpoints

* chore: remove all plugins endpoint related code

* chore: remove unused prompt handling code and clean up imports

* Deleted handleInputs.js and instructions.js files as they are no longer needed.
* Removed references to these files in the prompts index.js.
* Updated docker-compose.yml to simplify reverse proxy configuration.

* chore: remove unused LightningIcon import from Icons.tsx

* chore: clean up translation.json by removing deprecated and unused keys

* chore: update Jest configuration and remove unused mock file

    * Simplified the setupFiles array in jest.config.js by removing the fetchEventSource mock.
    * Deleted the fetchEventSource.js mock file as it is no longer needed.

* fix: simplify endpoint type check in Landing and ConversationStarters components

    * Updated the endpoint type check to use strict equality for better clarity and performance.
    * Ensured consistency in the handling of the azureOpenAI endpoint across both components.

* chore: remove unused dependencies from package.json and package-lock.json

* chore: remove legacy EditController, associated routes and imports

* chore: update banResponse logic to refine request handling for banned users

* chore: remove unused validateEndpoint middleware and its references

* chore: remove unused 'res' parameter from initializeClient in multiple endpoint files

* chore: remove unused 'isSmallScreen' prop from BookmarkNav and NewChat components; clean up imports in ArchivedChatsTable and useSetIndexOptions hooks; enhance localization in PromptVersions

* chore: remove unused import of Constants and TMessage from MobileNav; retain only necessary QueryKeys import

* chore: remove unused TResPlugin type and related references; clean up imports in types and schemas

api/server/services/Endpoints/assistants/title.js

@@ -1,32 +1,84 @@
-const { isEnabled } = require('@librechat/api');
+const { isEnabled, sanitizeTitle } = require('@librechat/api');
+const { logger } = require('@librechat/data-schemas');
 const { CacheKeys } = require('librechat-data-provider');
 const { saveConvo } = require('~/models/Conversation');
 const getLogStores = require('~/cache/getLogStores');
+const initializeClient = require('./initalize');
 
-const addTitle = async (req, { text, responseText, conversationId, client }) => {
+/**
+ * Generates a conversation title using OpenAI SDK
+ * @param {Object} params
+ * @param {OpenAI} params.openai - The OpenAI SDK client instance
+ * @param {string} params.text - User's message text
+ * @param {string} params.responseText - Assistant's response text
+ * @returns {Promise<string>}
+ */
+const generateTitle = async ({ openai, text, responseText }) => {
+  const titlePrompt = `Please generate a concise title (max 40 characters) for a conversation that starts with:
+User: ${text}
+Assistant: ${responseText}
+
+Title:`;
+
+  const completion = await openai.chat.completions.create({
+    model: 'gpt-3.5-turbo',
+    messages: [
+      {
+        role: 'user',
+        content: titlePrompt,
+      },
+    ],
+    temperature: 0.7,
+    max_tokens: 20,
+  });
+
+  const title = completion.choices[0]?.message?.content?.trim() || 'New conversation';
+  return sanitizeTitle(title);
+};
+
+/**
+ * Adds a title to a conversation asynchronously
+ * @param {ServerRequest} req
+ * @param {Object} params
+ * @param {string} params.text - User's message text
+ * @param {string} params.responseText - Assistant's response text
+ * @param {string} params.conversationId - Conversation ID
+ */
+const addTitle = async (req, { text, responseText, conversationId }) => {
   const { TITLE_CONVO = 'true' } = process.env ?? {};
   if (!isEnabled(TITLE_CONVO)) {
     return;
   }
 
-  if (client.options.titleConvo === false) {
-    return;
-  }
-
   const titleCache = getLogStores(CacheKeys.GEN_TITLE);
   const key = `${req.user.id}-${conversationId}`;
 
-  const title = await client.titleConvo({ text, conversationId, responseText });
-  await titleCache.set(key, title, 120000);
+  try {
+    const { openai } = await initializeClient({ req });
+    const title = await generateTitle({ openai, text, responseText });
+    await titleCache.set(key, title, 120000);
 
-  await saveConvo(
-    req,
-    {
-      conversationId,
-      title,
-    },
-    { context: 'api/server/services/Endpoints/assistants/addTitle.js' },
-  );
+    await saveConvo(
+      req,
+      {
+        conversationId,
+        title,
+      },
+      { context: 'api/server/services/Endpoints/assistants/addTitle.js' },
+    );
+  } catch (error) {
+    logger.error('[addTitle] Error generating title:', error);
+    const fallbackTitle = text.length > 40 ? text.substring(0, 37) + '...' : text;
+    await titleCache.set(key, fallbackTitle, 120000);
+    await saveConvo(
+      req,
+      {
+        conversationId,
+        title: fallbackTitle,
+      },
+      { context: 'api/server/services/Endpoints/assistants/addTitle.js' },
+    );
+  }
 };
 
 module.exports = addTitle;