fix(changecache/prettier): Skip directories during file processing to prevent errors in changecache and prettier formatting

ts/mod_format/formatters/prettier.formatter.ts

@@ -15,8 +15,22 @@ export class PrettierFormatter extends BaseFormatter {
     // Get all files that match the pattern
     const files = await plugins.smartfile.fs.listFileTree('.', globPattern);
     
-    // Check which files need formatting
+    // Filter out any potential directories and ensure we only process files
+    const validFiles: string[] = [];
     for (const file of files) {
+      try {
+        const stats = await plugins.smartfile.fs.stat(file);
+        if (!stats.isDirectory()) {
+          validFiles.push(file);
+        }
+      } catch (error) {
+        // Skip files that can't be accessed
+        logVerbose(`Skipping ${file} - cannot access: ${error.message}`);
+      }
+    }
+    
+    // Check which files need formatting
+    for (const file of validFiles) {
       // Skip files that haven't changed
       if (!await this.shouldProcessFile(file)) {
         logVerbose(`Skipping ${file} - no changes detected`);
@@ -85,7 +99,7 @@ export class PrettierFormatter extends BaseFormatter {
     
     try {
       // Read current content
-      const content = await plugins.smartfile.fs.toStringSync(change.path);
+      const content = plugins.smartfile.fs.toStringSync(change.path);
       
       // Format with prettier
       const prettier = await import('prettier');