Add RandomAccessMemory class for in-memory binary operations

dart/lib/dev_tools/watch_dump.dart

@@ -0,0 +1,31 @@
+import 'dart:io';
+import 'dart:async';
+import 'package:sweepstore/debug.dart';
+
+void main() async {
+  int refreshCount = 0;
+  while (true) {
+    // Clear console
+    if (Platform.isWindows) {
+      print(Process.runSync("cls", [], runInShell: true).stdout);
+    } else {
+      print(Process.runSync("clear", [], runInShell: true).stdout);
+    }
+
+    refreshCount++;
+
+    // Read example.bin
+    final file = File('example.bin');
+
+    if (await file.exists()) {
+      final data = await file.readAsBytes();
+      print('Binary dump of example.bin (${data.length} bytes) - Refresh #$refreshCount\n');
+      print(binaryDump(data));
+      print('\n--- Refreshing in 1 seconds ---');
+    } else {
+      print('Error: example.bin not found - Refresh #$refreshCount');
+    }
+
+    await Future.delayed(Duration(seconds: 1));
+  }
+}