feat: Add Diff View and File History Tracking

- Implemented a new Diff View in the Workbench to visualize file changes
- Added file history tracking with detailed change information
- Enhanced FileTree and FileModifiedDropdown to show line additions and deletions
- Integrated file history saving and retrieval in ActionRunner
- Updated Workbench view types to include 'diff' option
- Added support for inline and side-by-side diff view modes

app/types/actions.ts

@@ -1,3 +1,5 @@
+import type { Change } from 'diff';
+
 export type ActionType = 'file' | 'shell';
 
 export interface BaseAction {
@@ -28,3 +30,15 @@ export interface ActionAlert {
   content: string;
   source?: 'terminal' | 'preview'; // Add source to differentiate between terminal and preview errors
 }
+
+export interface FileHistory {
+  originalContent: string;
+  lastModified: number;
+  changes: Change[];
+  versions: {
+    timestamp: number;
+    content: string;
+  }[];
+  // Novo campo para rastrear a origem das mudanças
+  changeSource?: 'user' | 'auto-save' | 'external';
+}