🧹 chore: Clean Up Config Fields (#12537)

* chore: remove unused `interface.endpointsMenu` config field

* chore: address review — restore JSDoc UI-only example, add Zod strip test

* chore: remove unused `interface.sidePanel` config field

* chore: restrict fileStrategy/fileStrategies schema to valid storage backends

* fix: use valid FileStorage value in AppService test

* chore: address review — version bump, exhaustiveness guard, JSDoc, configSchema test

* chore: remove debug logger.log from MessageIcon render path

* fix: rewrite MessageIcon render tests to use render counting instead of logger spying

* chore: bump librechat-data-provider to 0.8.407

* chore: sync example YAML version to 1.3.7

librechat.example.yaml

@@ -2,7 +2,7 @@
 # https://www.librechat.ai/docs/configuration/librechat_yaml
 
 # Configuration version (required)
-version: 1.3.6
+version: 1.3.7
 
 # Cache settings: Set to true to enable caching
 cache: true
@@ -80,10 +80,8 @@ interface:
 
       By using the Website, you acknowledge that you have read these Terms of Service and agree to be bound by them.
 
-  endpointsMenu: true
   modelSelect: true
   parameters: true
-  sidePanel: true
   presets: true
   prompts:
     use: true