cleaner dev experience refactor

libs/core/handlers/src/base/BaseHandler.ts

@@ -99,6 +99,52 @@ export abstract class BaseHandler implements IHandler {
     };
   }
 
+  /**
+   * Helper methods for common operations
+   */
+  
+  /**
+   * Get a MongoDB collection with type safety
+   */
+  protected collection(name: string) {
+    return this.mongodb.collection(name);
+  }
+  
+  /**
+   * Set cache with handler-prefixed key
+   */
+  protected async cacheSet(key: string, value: any, ttl?: number): Promise<void> {
+    return this.cache.set(`${this.handlerName}:${key}`, value, ttl);
+  }
+  
+  /**
+   * Get cache with handler-prefixed key
+   */
+  protected async cacheGet(key: string): Promise<any | null> {
+    return this.cache.get(`${this.handlerName}:${key}`);
+  }
+  
+  /**
+   * Delete cache with handler-prefixed key
+   */
+  protected async cacheDel(key: string): Promise<void> {
+    return this.cache.del(`${this.handlerName}:${key}`);
+  }
+  
+  /**
+   * Schedule operation with delay in seconds
+   */
+  protected async scheduleIn(operation: string, payload: unknown, delaySeconds: number): Promise<void> {
+    return this.scheduleOperation(operation, payload, delaySeconds * 1000);
+  }
+  
+  /**
+   * Log with handler context
+   */
+  protected log(level: 'info' | 'warn' | 'error' | 'debug', message: string, meta?: any): void {
+    this.logger[level](message, { handler: this.handlerName, ...meta });
+  }
+
   /**
    * Event methods - commented for future
    */