Refactor file listing in list_files.js to return structured objects for easier machine parsing and consistent output. Update sorting mechanism to ensure files are sorted by path before returning.

tools/list_files.js

@@ -160,7 +160,8 @@ export async function run(args) {
     if (!includeHidden && fileName.startsWith(".")) {
       return { cwd, files: [] };
     }
-    return { cwd, files: JSON.stringify([[fileName, 'f', stat.size]]) };
+    // Return structured object for easier machine parsing
+    return { cwd, files: [{ path: fileName, type: 'f', size: stat.size }] };
   }
 
   // Handle non-directory case
@@ -171,9 +172,13 @@ export async function run(args) {
   // Handle directory case
   try {
     const files = await listEntriesRecursive(resolvedBase, chrootResolved, depth === -1 ? Infinity : depth, includeHidden);
+    // Map to structured objects and sort by path for consistent output
+    const mapped = files
+      .map(([p, t, s]) => ({ path: p, type: t, size: s }))
+      .sort((a, b) => a.path.localeCompare(b.path));
     return {
       cwd,
-      files: files.sort((a, b) => a[0].localeCompare(b[0])), // Sort for consistent output
+      files: mapped,
     };
   } catch (err) {
     return { err: `Failed to list files: ${err?.message || String(err)}` };