refactor: replace legacy command queue with eval command queue in Turtle class

server/Turtle.js

@@ -103,8 +103,8 @@ export class Turtle extends EventEmitter {
     this.lastUpdate = Date.now();
     this.lastStatusBroadcast = 0;
 
-    // Legacy command queue (for pocket computer compatibility)
-    this.pendingLegacyCommands = [];
+    // Command queue for eval commands sent to webbridge
+    this.pendingCommands = [];
 
     // Start in idle state
     this.setState('idle');