🛜 refactor: Streamline App Config Usage (#9234)

* WIP: app.locals refactoring

WIP: appConfig

fix: update memory configuration retrieval to use getAppConfig based on user role

fix: update comment for AppConfig interface to clarify purpose

🏷️ refactor: Update tests to use getAppConfig for endpoint configurations

ci: Update AppService tests to initialize app config instead of app.locals

ci: Integrate getAppConfig into remaining tests

refactor: Update multer storage destination to use promise-based getAppConfig and improve error handling in tests

refactor: Rename initializeAppConfig to setAppConfig and update related tests

ci: Mock getAppConfig in various tests to provide default configurations

refactor: Update convertMCPToolsToPlugins to use mcpManager for server configuration and adjust related tests

chore: rename `Config/getAppConfig` -> `Config/app`

fix: streamline OpenAI image tools configuration by removing direct appConfig dependency and using function parameters

chore: correct parameter documentation for imageOutputType in ToolService.js

refactor: remove `getCustomConfig` dependency in config route

refactor: update domain validation to use appConfig for allowed domains

refactor: use appConfig registration property

chore: remove app parameter from AppService invocation

refactor: update AppConfig interface to correct registration and turnstile configurations

refactor: remove getCustomConfig dependency and use getAppConfig in PluginController, multer, and MCP services

refactor: replace getCustomConfig with getAppConfig in STTService, TTSService, and related files

refactor: replace getCustomConfig with getAppConfig in Conversation and Message models, update tempChatRetention functions to use AppConfig type

refactor: update getAppConfig calls in Conversation and Message models to include user role for temporary chat expiration

ci: update related tests

refactor: update getAppConfig call in getCustomConfigSpeech to include user role

fix: update appConfig usage to access allowedDomains from actions instead of registration

refactor: enhance AppConfig to include fileStrategies and update related file strategy logic

refactor: update imports to use normalizeEndpointName from @librechat/api and remove redundant definitions

chore: remove deprecated unused RunManager

refactor: get balance config primarily from appConfig

refactor: remove customConfig dependency for appConfig and streamline loadConfigModels logic

refactor: remove getCustomConfig usage and use app config in file citations

refactor: consolidate endpoint loading logic into loadEndpoints function

refactor: update appConfig access to use endpoints structure across various services

refactor: implement custom endpoints configuration and streamline endpoint loading logic

refactor: update getAppConfig call to include user role parameter

refactor: streamline endpoint configuration and enhance appConfig usage across services

refactor: replace getMCPAuthMap with getUserMCPAuthMap and remove unused getCustomConfig file

refactor: add type annotation for loadedEndpoints in loadEndpoints function

refactor: move /services/Files/images/parse to TS API

chore: add missing FILE_CITATIONS permission to IRole interface

refactor: restructure toolkits to TS API

refactor: separate manifest logic into its own module

refactor: consolidate tool loading logic into a new tools module for startup logic

refactor: move interface config logic to TS API

refactor: migrate checkEmailConfig to TypeScript and update imports

refactor: add FunctionTool interface and availableTools to AppConfig

refactor: decouple caching and DB operations from AppService, make part of consolidated `getAppConfig`

WIP: fix tests

* fix: rebase conflicts

* refactor: remove app.locals references

* refactor: replace getBalanceConfig with getAppConfig in various strategies and middleware

* refactor: replace appConfig?.balance with getBalanceConfig in various controllers and clients

* test: add balance configuration to titleConvo method in AgentClient tests

* chore: remove unused `openai-chat-tokens` package

* chore: remove unused imports in initializeMCPs.js

* refactor: update balance configuration to use getAppConfig instead of getBalanceConfig

* refactor: integrate configMiddleware for centralized configuration handling

* refactor: optimize email domain validation by removing unnecessary async calls

* refactor: simplify multer storage configuration by removing async calls

* refactor: reorder imports for better readability in user.js

* refactor: replace getAppConfig calls with req.config for improved performance

* chore: replace getAppConfig calls with req.config in tests for centralized configuration handling

* chore: remove unused override config

* refactor: add configMiddleware to endpoint route and replace getAppConfig with req.config

* chore: remove customConfig parameter from TTSService constructor

* refactor: pass appConfig from request to processFileCitations for improved configuration handling

* refactor: remove configMiddleware from endpoint route and retrieve appConfig directly in getEndpointsConfig if not in `req.config`

* test: add mockAppConfig to processFileCitations tests for improved configuration handling

* fix: pass req.config to hasCustomUserVars and call without await after synchronous refactor

* fix: type safety in useExportConversation

* refactor: retrieve appConfig using getAppConfig in PluginController and remove configMiddleware from plugins route, to avoid always retrieving when plugins are cached

* chore: change `MongoUser` typedef to `IUser`

* fix: Add `user` and `config` fields to ServerRequest and update JSDoc type annotations from Express.Request to ServerRequest

* fix: remove unused setAppConfig mock from Server configuration tests

api/server/routes/memories.js

@@ -8,7 +8,7 @@ const {
   deleteMemory,
   setMemory,
 } = require('~/models');
-const { requireJwtAuth } = require('~/server/middleware');
+const { requireJwtAuth, configMiddleware } = require('~/server/middleware');
 const { getRoleByName } = require('~/models/Role');
 
 const router = express.Router();
@@ -48,7 +48,7 @@ router.use(requireJwtAuth);
  * Returns all memories for the authenticated user, sorted by updated_at (newest first).
  * Also includes memory usage percentage based on token limit.
  */
-router.get('/', checkMemoryRead, async (req, res) => {
+router.get('/', checkMemoryRead, configMiddleware, async (req, res) => {
   try {
     const memories = await getAllUserMemories(req.user.id);
 
@@ -60,7 +60,8 @@ router.get('/', checkMemoryRead, async (req, res) => {
       return sum + (memory.tokenCount || 0);
     }, 0);
 
-    const memoryConfig = req.app.locals?.memory;
+    const appConfig = req.config;
+    const memoryConfig = appConfig?.memory;
     const tokenLimit = memoryConfig?.tokenLimit;
     const charLimit = memoryConfig?.charLimit || 10000;
 
@@ -87,7 +88,7 @@ router.get('/', checkMemoryRead, async (req, res) => {
  * Body: { key: string, value: string }
  * Returns 201 and { created: true, memory: <createdDoc> } when successful.
  */
-router.post('/', memoryPayloadLimit, checkMemoryCreate, async (req, res) => {
+router.post('/', memoryPayloadLimit, checkMemoryCreate, configMiddleware, async (req, res) => {
   const { key, value } = req.body;
 
   if (typeof key !== 'string' || key.trim() === '') {
@@ -98,7 +99,8 @@ router.post('/', memoryPayloadLimit, checkMemoryCreate, async (req, res) => {
     return res.status(400).json({ error: 'Value is required and must be a non-empty string.' });
   }
 
-  const memoryConfig = req.app.locals?.memory;
+  const appConfig = req.config;
+  const memoryConfig = appConfig?.memory;
   const charLimit = memoryConfig?.charLimit || 10000;
 
   if (key.length > 1000) {
@@ -117,6 +119,9 @@ router.post('/', memoryPayloadLimit, checkMemoryCreate, async (req, res) => {
     const tokenCount = Tokenizer.getTokenCount(value, 'o200k_base');
 
     const memories = await getAllUserMemories(req.user.id);
+
+    const appConfig = req.config;
+    const memoryConfig = appConfig?.memory;
     const tokenLimit = memoryConfig?.tokenLimit;
 
     if (tokenLimit) {
@@ -191,7 +196,7 @@ router.patch('/preferences', checkMemoryOptOut, async (req, res) => {
  * Body: { key?: string, value: string }
  * Returns 200 and { updated: true, memory: <updatedDoc> } when successful.
  */
-router.patch('/:key', memoryPayloadLimit, checkMemoryUpdate, async (req, res) => {
+router.patch('/:key', memoryPayloadLimit, checkMemoryUpdate, configMiddleware, async (req, res) => {
   const { key: urlKey } = req.params;
   const { key: bodyKey, value } = req.body || {};
 
@@ -200,8 +205,8 @@ router.patch('/:key', memoryPayloadLimit, checkMemoryUpdate, async (req, res) =>
   }
 
   const newKey = bodyKey || urlKey;
-
-  const memoryConfig = req.app.locals?.memory;
+  const appConfig = req.config;
+  const memoryConfig = appConfig?.memory;
   const charLimit = memoryConfig?.charLimit || 10000;
 
   if (newKey.length > 1000) {