🧬 Implement Darwin Gödel Machine (DGM) evolutionary cleanup & self-improving system (#36)

Author: Copilot

demo/dgm-demo.ts

@@ -0,0 +1,124 @@
+/**
+ * DGM System Demo
+ * 
+ * Demonstrates the Darwin Gödel Machine capabilities
+ */
+
+import { createDGMSystem, DGMSystemFactory } from '../src/core/dgm/index.js';
+import { Logger } from '../src/utils/logger.js';
+
+const logger = new Logger('DGMDemo');
+
+async function runDGMDemo() {
+  console.log('🧬 Darwin Gödel Machine (DGM) System Demo');
+  console.log('=' .repeat(50));
+  
+  try {
+    // 1. Create a balanced DGM system
+    console.log('\n1. Creating DGM System...');
+    const dgmSystem = DGMSystemFactory.createBalanced(process.cwd());
+    
+    // 2. Initialize the system
+    console.log('\n2. Initializing DGM...');
+    await dgmSystem.initialize();
+    console.log('✅ DGM system initialized successfully');
+    
+    // 3. Get initial system status
+    const initialStatus = dgmSystem.getSystemStatus();
+    console.log(`\n3. Initial System Health: ${initialStatus.systemHealth.toFixed(1)}%`);
+    console.log(`   Debt Metrics:`, Object.entries(initialStatus.debtMetrics)
+      .map(([key, value]) => `${key}: ${((value as number) * 100).toFixed(1)}%`)
+      .join(', '));
+    
+    // 4. Start the system
+    console.log('\n4. Starting DGM System...');
+    await dgmSystem.start();
+    console.log('✅ DGM system is now active');
+    
+    // 5. Execute an evolution cycle
+    console.log('\n5. Executing Evolution Cycle...');
+    const evolutionReport = await dgmSystem.executeEvolutionCycle();
+    
+    console.log(`\n📊 Evolution Results:`);
+    console.log(`   Strategies Evaluated: ${evolutionReport.strategiesEvaluated}`);
+    console.log(`   Fitness Improvement: ${evolutionReport.fitnessImprovement > 0 ? '+' : ''}${evolutionReport.fitnessImprovement.toFixed(3)}`);
+    console.log(`   Patterns Archived: ${evolutionReport.patternsArchived}`);
+    console.log(`   Status: ${evolutionReport.status}`);
+    console.log(`   Execution Time: ${evolutionReport.executionTime}ms`);
+    
+    if (evolutionReport.bestStrategy) {
+      console.log(`\n🏆 Best Strategy: ${evolutionReport.bestStrategy.name}`);
+      console.log(`   Fitness Score: ${evolutionReport.bestStrategy.fitness.toFixed(3)}`);
+      console.log(`   Generation: ${evolutionReport.bestStrategy.generation}`);
+    }
+    
+    if (evolutionReport.recommendations.length > 0) {
+      console.log(`\n💡 Recommendations:`);
+      evolutionReport.recommendations.slice(0, 3).forEach((rec, i) => {
+        console.log(`   ${i + 1}. ${rec}`);
+      });
+    }
+    
+    // 6. Generate system insights
+    console.log('\n6. Generating System Insights...');
+    const insights = await dgmSystem.generateSystemInsights();
+    
+    console.log(`\n🧠 System Insights:`);
+    if (insights.evolutionInsights.length > 0) {
+      console.log(`   Evolution: ${insights.evolutionInsights[0]}`);
+    }
+    if (insights.patternInsights.length > 0) {
+      console.log(`   Patterns: ${insights.patternInsights[0]}`);
+    }
+    if (insights.performanceInsights.length > 0) {
+      console.log(`   Performance: ${insights.performanceInsights[0]}`);
+    }
+    
+    // 7. Query archived patterns
+    console.log('\n7. Querying Archived Patterns...');
+    const patterns = await dgmSystem.queryPatterns({
+      minFitnessScore: 0.5,
+      limit: 3
+    });
+    
+    console.log(`\n📚 Found ${patterns.length} archived patterns`);
+    patterns.forEach((pattern, i) => {
+      console.log(`   ${i + 1}. ${pattern.strategy.name} - Fitness: ${pattern.successMetrics.fitnessScore.toFixed(3)}`);
+    });
+    
+    // 8. Final status
+    const finalStatus = dgmSystem.getSystemStatus();
+    console.log(`\n8. Final System Health: ${finalStatus.systemHealth.toFixed(1)}%`);
+    const improvement = finalStatus.systemHealth - initialStatus.systemHealth;
+    console.log(`   Health Improvement: ${improvement > 0 ? '+' : ''}${improvement.toFixed(1)}%`);
+    
+    // 9. Evolution history
+    const history = dgmSystem.getEvolutionHistory(5);
+    console.log(`\n📈 Evolution History: ${history.length} cycles completed`);
+    
+    // 10. Stop the system
+    console.log('\n9. Stopping DGM System...');
+    await dgmSystem.stop();
+    console.log('✅ DGM system stopped successfully');
+    
+    console.log('\n🎉 DGM Demo Complete!');
+    console.log('\nThe Darwin Gödel Machine has demonstrated:');
+    console.log('• Baseline establishment and validation framework');
+    console.log('• Evolutionary strategy generation and A/B testing');
+    console.log('• Fitness evaluation and benchmarking');
+    console.log('• Pattern archiving for future learning');
+    console.log('• Autonomous monitoring and recommendations');
+    console.log('• Continuous system improvement capabilities');
+    
+  } catch (error) {
+    console.error('\n❌ Demo failed:', error);
+    process.exit(1);
+  }
+}
+
+// Run the demo
+if (require.main === module) {
+  runDGMDemo();
+}
+
+export { runDGMDemo };