made tokenizer concurrent and threadsafe

app/MindWork AI Studio/Tools/Rust/TokenizerResponse.cs

@@ -4,5 +4,4 @@ public readonly record struct TokenizerResponse(
     bool Success,
     int TokenCount,
     string Message,
-    TokenizerStatus Status = TokenizerStatus.UNAVAILABLE,
     string StoredPath = "");

app/MindWork AI Studio/Tools/Rust/TokenizerStatus.cs

@@ -1,8 +0,0 @@
-namespace AIStudio.Tools.Rust;
-
-public enum TokenizerStatus
-{
-    UNAVAILABLE,
-    RUNNING,
-    AVAILABLE,
-}