feat(format): Enhance format module with rollback, diff reporting, and improved parallel execution

ts/mod_format/classes.formatcontext.ts

@@ -0,0 +1,65 @@
+import * as plugins from './mod.plugins.js';
+import { RollbackManager } from './classes.rollbackmanager.js';
+import { ChangeCache } from './classes.changecache.js';
+import { FormatStats } from './classes.formatstats.js';
+import type { IFormatOperation, IFormatPlan } from './interfaces.format.js';
+
+export class FormatContext {
+  private rollbackManager: RollbackManager;
+  private currentOperation: IFormatOperation | null = null;
+  private changeCache: ChangeCache;
+  private formatStats: FormatStats;
+  
+  constructor() {
+    this.rollbackManager = new RollbackManager();
+    this.changeCache = new ChangeCache();
+    this.formatStats = new FormatStats();
+  }
+  
+  async beginOperation(): Promise<void> {
+    this.currentOperation = await this.rollbackManager.createOperation();
+  }
+  
+  async trackFileChange(filepath: string): Promise<void> {
+    if (!this.currentOperation) {
+      throw new Error('No operation in progress. Call beginOperation() first.');
+    }
+    await this.rollbackManager.backupFile(filepath, this.currentOperation.id);
+  }
+  
+  async commitOperation(): Promise<void> {
+    if (!this.currentOperation) {
+      throw new Error('No operation in progress. Call beginOperation() first.');
+    }
+    await this.rollbackManager.markComplete(this.currentOperation.id);
+    this.currentOperation = null;
+  }
+  
+  async rollbackOperation(): Promise<void> {
+    if (!this.currentOperation) {
+      throw new Error('No operation in progress. Call beginOperation() first.');
+    }
+    await this.rollbackManager.rollback(this.currentOperation.id);
+    this.currentOperation = null;
+  }
+  
+  async rollbackTo(operationId: string): Promise<void> {
+    await this.rollbackManager.rollback(operationId);
+  }
+  
+  getRollbackManager(): RollbackManager {
+    return this.rollbackManager;
+  }
+  
+  getChangeCache(): ChangeCache {
+    return this.changeCache;
+  }
+  
+  async initializeCache(): Promise<void> {
+    await this.changeCache.initialize();
+  }
+  
+  getFormatStats(): FormatStats {
+    return this.formatStats;
+  }
+}