👤 feat: User ID in Model Query; chore: cleanup ModelService (#1753)

* feat: send the LibreChat user ID as a query param when fetching the list of models

* chore: update bun

* chore: change bun command for building data-provider

* refactor: prefer use of `getCustomConfig` to access custom config, also move to `server/services/Config`

* refactor: make endpoints/custom option for the config optional, add userIdQuery, and use modelQueries log store in ModelService

* refactor(ModelService): use env variables at runtime, use default models from data-provider, and add tests

* docs: add `userIdQuery`

* fix(ci): import changed

api/cache/getLogStores.js

@@ -31,6 +31,10 @@ const genTitle = isEnabled(USE_REDIS) // ttl: 2 minutes
   ? new Keyv({ store: keyvRedis, ttl: 120000 })
   : new Keyv({ namespace: CacheKeys.GEN_TITLE, ttl: 120000 });
 
+const modelQueries = isEnabled(process.env.USE_REDIS)
+  ? new Keyv({ store: keyvRedis })
+  : new Keyv({ namespace: 'models' });
+
 const namespaces = {
   [CacheKeys.CONFIG_STORE]: config,
   pending_req,
@@ -44,6 +48,7 @@ const namespaces = {
   logins: createViolationInstance('logins'),
   [CacheKeys.TOKEN_CONFIG]: tokenConfig,
   [CacheKeys.GEN_TITLE]: genTitle,
+  [CacheKeys.MODEL_QUERIES]: modelQueries,
 };
 
 /**