claude-flow/src/verification/simple-hooks.ts

Enterprise-grade AI agent orchestration with ruv-swarm integration (Alpha Release)

/**
 * Simplified Verification Hooks
 * 
 * A simplified version to avoid TypeScript compiler issues
 */

import { Logger } from '../core/logger.js';
import { agenticHookManager } from '../services/agentic-flow-hooks/index.js';
import type {
  AgenticHookContext,
  HookHandlerResult,
  HookRegistration,
  WorkflowHookPayload,
} from '../services/agentic-flow-hooks/types.js';

const logger = new Logger({
  level: 'info',
  format: 'text',
  destination: 'console'
}, { prefix: 'SimpleVerificationHooks' });

// ===== Simple Types =====

export interface SimpleVerificationConfig {
  enabled: boolean;
  logLevel: 'info' | 'debug' | 'warn' | 'error';
}

export interface SimpleVerificationResult {
  success: boolean;
  message: string;
  details?: any;
}

// ===== Simple Verification Hook Manager =====

export class SimpleVerificationHookManager {
  private config: SimpleVerificationConfig;

  constructor(config: Partial<SimpleVerificationConfig> = {}) {
    this.config = {
      enabled: true,
      logLevel: 'info',
      ...config
    };
    
    if (this.config.enabled) {
      this.registerSimpleHooks();
    }
  }

  private registerSimpleHooks(): void {
    // Simple pre-task hook
    const preTaskHook: HookRegistration = {
      id: 'simple-verification-pre-task',
      type: 'workflow-start',
      priority: 100,
      handler: async (payload: WorkflowHookPayload, context: AgenticHookContext): Promise<HookHandlerResult> => {
        logger.info('🔍 Pre-task verification starting...');
        
        try {
          const result = await this.runSimpleChecks(payload, context);
          
          if (result.success) {
            logger.info('✅ Pre-task verification passed');
            return {
              continue: true,
              metadata: {
                verificationPassed: true,
                message: result.message
              }
            };
          } else {
            logger.warn('⚠️ Pre-task verification failed:', result.message);
            return {
              continue: true, // Continue with warnings
              metadata: {
                verificationFailed: true,
                message: result.message
              }
            };
          }
        } catch (error) {
          logger.error('❌ Pre-task verification error:', error);
          return {
            continue: true,
            metadata: {
              verificationError: true,
              error: (error as Error).message
            }
          };
        }
      }
    };

    // Simple post-task hook
    const postTaskHook: HookRegistration = {
      id: 'simple-verification-post-task',
      type: 'workflow-complete',
      priority: 90,
      handler: async (payload: WorkflowHookPayload, context: AgenticHookContext): Promise<HookHandlerResult> => {
        logger.info('🔍 Post-task verification starting...');
        
        try {
          const result = await this.runSimpleValidation(payload, context);
          
          logger.info(`✅ Post-task verification completed: ${result.message}`);
          return {
            continue: true,
            metadata: {
              validationComplete: true,
              success: result.success,
              message: result.message
            }
          };
        } catch (error) {
          logger.error('❌ Post-task verification error:', error);
          return {
            continue: true,
            metadata: {
              validationError: true,
              error: (error as Error).message
            }
          };
        }
      }
    };

    // Register hooks
    agenticHookManager.register(preTaskHook);
    agenticHookManager.register(postTaskHook);
    
    logger.info('Simple verification hooks registered successfully');
  }

  private async runSimpleChecks(
    payload: WorkflowHookPayload, 
    context: AgenticHookContext
  ): Promise<SimpleVerificationResult> {
    // Simple environment check
    const nodeEnv = process.env.NODE_ENV;
    if (!nodeEnv) {
      return {
        success: false,
        message: 'NODE_ENV environment variable not set',
        details: { missing: ['NODE_ENV'] }
      };
    }

    // Simple memory check
    const memUsage = process.memoryUsage();
    const heapUsedMB = memUsage.heapUsed / 1024 / 1024;
    if (heapUsedMB > 1000) { // More than 1GB
      return {
        success: false,
        message: `High memory usage detected: ${heapUsedMB.toFixed(2)}MB`,
        details: { memoryUsage: heapUsedMB }
      };
    }

    return {
      success: true,
      message: 'All pre-task checks passed',
      details: {
        nodeEnv,
        memoryUsage: heapUsedMB
      }
    };
  }

  private async runSimpleValidation(
    payload: WorkflowHookPayload, 
    context: AgenticHookContext
  ): Promise<SimpleVerificationResult> {
    // Simple validation - check if workflow has state
    if (!payload.state || Object.keys(payload.state).length === 0) {
      return {
        success: false,
        message: 'Workflow completed with empty state',
        details: { state: payload.state }
      };
    }

    // Check for errors in metadata
    if (payload.error) {
      return {
        success: false,
        message: 'Workflow completed with errors',
        details: { error: payload.error }
      };
    }

    return {
      success: true,
      message: 'Post-task validation passed',
      details: { 
        stateKeys: Object.keys(payload.state),
        timestamp: Date.now()
      }
    };
  }

  public getStatus(): any {
    return {
      enabled: this.config.enabled,
      hooksRegistered: this.config.enabled ? 2 : 0,
      config: this.config
    };
  }

  public updateConfig(newConfig: Partial<SimpleVerificationConfig>): void {
    this.config = { ...this.config, ...newConfig };
    logger.info('Simple verification configuration updated', this.config);
  }
}

// Export singleton instance
export const simpleVerificationHookManager = new SimpleVerificationHookManager();

// Initialize
logger.info('Simple verification hooks module initialized');