Antigravity で5つのエージェントを並列に走らせる ― 分解・競合解決・統合の本番設計

// Backend Architect が提案：
const backendProposal = {
  database: "MongoDB（NoSQL、高速）",
  caching: "Redis（メモリ最適化）",
  encryption: "Optional（パフォーマンス優先）"
};
 
// Security Testing Analyst が提案：
const securityProposal = {
  database: "PostgreSQL（強力なACL機構）",
  caching: "Memcached with TLS（暗号化）",
  encryption: "Mandatory at-rest + in-transit"
};
 
// 競合解決ポリシー
const conflictResolutionPolicy = {
  "performance_vs_security": {
    rule: "SECURITY_FIRST",
    reasoning: "データ漏洩のリスクはパフォーマンス劣化より深刻",
    decision: securityProposal,
    optimization: "PostgreSQL + Redis（TLS対応版）で両立"
  }
};

// Frontend Specialist が提案：
const frontendProposal = {
  framework: "Next.js 15 (最新、フル機能)",
  state_management: "Zustand（軽量）",
  testing: "Vitest（最速）"
};
 
// DevOps Specialist が提案：
const devopsProposal = {
  framework: "Create React App (枯れた技術)",
  state_management: "Redux（エンタープライズ対応）",
  testing: "Jest（業界標準）"
};
 
// 競合解決ロジック
const resolutionLogic = {
  rule: "PROJECT_CONTEXT_AWARE",
  evaluation: {
    project_maturity: "startup → 新技術OK",
    team_expertise: "React > Next.js → Next.js採用",
    deployment_target: "Vercel available → Next.js最適",
    legacy_constraints: "none → 新技術選択"
  },
  decision: "Next.js + Zustand + Vitest（条件A,B,D満たす）"
};

// conflict-resolver.js
class ConflictResolver {
  constructor(policy = {}) {
    this.policy = policy;
    this.resolutionLog = [];
  }
 
  async resolveConflict(agentA, propA, agentB, propB, context) {
    const conflictKey = this.identifyConflictType(propA, propB);
 
    console.log(`⚠️  競合検出: ${agentA.name} vs ${agentB.name}`);
    console.log(`📋 タイプ: ${conflictKey}`);
 
    // Step 1: ポリシーベースの判定
    let resolution = this.applyPolicy(conflictKey, propA, propB, context);
 
    // Step 2: ポリシーにない場合は重要度スコアリング
    if (!resolution) {
      resolution = await this.scoreAndCompare(propA, propB, context);
    }
 
    // Step 3: 結果をログに記録
    this.resolutionLog.push({
      conflict_key: conflictKey,
      agent_a: agentA.name,
      agent_b: agentB.name,
      resolution: resolution,
      timestamp: new Date()
    });
 
    return resolution;
  }
 
  applyPolicy(conflictKey, propA, propB, context) {
    const policyRule = this.policy[conflictKey];
 
    if (!policyRule) return null;
 
    // ポリシーに基づいて決定
    if (policyRule.rule === "ALWAYS_A") return propA;
    if (policyRule.rule === "ALWAYS_B") return propB;
    if (policyRule.rule === "SECURITY_FIRST") {
      return propA.security_score > propB.security_score ? propA : propB;
    }
    if (policyRule.rule === "CONTEXT_AWARE") {
      return this.evaluateInContext(propA, propB, context, policyRule.criteria);
    }
  }
 
  scoreAndCompare(propA, propB, context) {
    // スコアリング基準
    const scoringCriteria = {
      "ecosystem_maturity": 0.2,
      "team_skills": 0.2,
      "long_term_maintainability": 0.15,
      "performance_impact": 0.15,
      "cost": 0.1,
      "security": 0.2
    };
 
    const scoreA = Object.entries(scoringCriteria).reduce((sum, [criterion, weight]) => {
      return sum + (propA[criterion] || 0) * weight;
    }, 0);
 
    const scoreB = Object.entries(scoringCriteria).reduce((sum, [criterion, weight]) => {
      return sum + (propB[criterion] || 0) * weight;
    }, 0);
 
    return scoreA > scoreB ? propA : propB;
  }
 
  identifyConflictType(propA, propB) {
    // 競合のタイプ（キー）を判定
    if (propA.performance && propB.security) return "performance_vs_security";
    if (propA.new_technology && propB.proven_technology) return "innovation_vs_stability";
    if (propA.cost && propB.scalability) return "cost_vs_scalability";
    return "unknown_conflict";
  }
}
 
// 使用例
const resolver = new ConflictResolver(conflictResolutionPolicy);
const resolved = await resolver.resolveConflict(
  backendAgent,
  { database: "MongoDB", security_score: 7 },
  securityAgent,
  { database: "PostgreSQL", security_score: 9 },
  { project_type: "fintech", security_criticality: "high" }
);
 
console.log("🔧 決定:", resolved);
// 出力: 🔧 決定: { database: "PostgreSQL", ... }

// artifact-validator.js
class ArtifactValidator {
  async validateAll(artifacts) {
    const results = {};
 
    for (const [agentName, artifact] of Object.entries(artifacts)) {
      results[agentName] = await this.validate(artifact, agentName);
    }
 
    return results;
  }
 
  async validate(artifact, agentName) {
    const checks = {
      syntax_validity: await this.checkSyntax(artifact),
      dependency_completeness: await this.checkDependencies(artifact),
      type_safety: await this.checkTypes(artifact),
      security_audit: await this.auditSecurity(artifact),
      performance_baseline: await this.checkPerformance(artifact)
    };
 
    const allPassed = Object.values(checks).every(c => c.passed);
 
    return {
      agent: agentName,
      passed: allPassed,
      checks: checks,
      warnings: this.extractWarnings(checks),
      severity: allPassed ? "info" : "error"
    };
  }
 
  async checkSyntax(artifact) {
    try {
      if (artifact.type === "javascript") {
        // JSの構文検証
        new Function(artifact.code);
        return { passed: true };
      }
      if (artifact.type === "json") {
        JSON.parse(artifact.content);
        return { passed: true };
      }
      if (artifact.type === "yaml") {
        // YAML検証
        return { passed: true };
      }
    } catch (e) {
      return { passed: false, error: e.message };
    }
  }
 
  async checkDependencies(artifact) {
    // 依存ライブラリが package.json に記録されているか
    const imports = this.extractImports(artifact.code);
    const packageJson = require('./package.json');
 
    const missing = imports.filter(imp => !packageJson.dependencies[imp]);
 
    return {
      passed: missing.length === 0,
      missing_deps: missing
    };
  }
 
  async auditSecurity(artifact) {
    const issues = [];
 
    // セキュリティパターン検出
    if (artifact.code.includes("eval(")) issues.push("eval() usage detected");
    if (artifact.code.includes("dangerouslySetInnerHTML")) issues.push("XSS risk");
    if (artifact.code.match(/password\s*=\s*['"][^'"]+['"]/)) issues.push("Hardcoded password");
 
    return {
      passed: issues.length === 0,
      issues: issues
    };
  }
 
  extractWarnings(checks) {
    return Object.entries(checks)
      .filter(([_, check]) => !check.passed)
      .map(([name, check]) => `${name}: ${check.error || check.issues?.join(", ")}`);
  }
}

// merger.js
class ArtifactMerger {
  async mergeAll(artifacts, strategy = "smart") {
    if (strategy === "sequential") {
      return this.mergeSequential(artifacts);
    }
    if (strategy === "smart") {
      return this.mergeSmart(artifacts);
    }
    if (strategy === "conflict_aware") {
      return this.mergeConflictAware(artifacts);
    }
  }
 
  async mergeSmart(artifacts) {
    const result = {
      frontend: {},
      backend: {},
      devops: {},
      shared: {}
    };
 
    // 1. カテゴリ分類
    for (const [source, artifact] of Object.entries(artifacts)) {
      const category = this.classifyArtifact(artifact, source);
      result[category][source] = artifact;
    }
 
    // 2. カテゴリ内でマージ
    result.frontend = await this.mergeFrontendArtifacts(result.frontend);
    result.backend = await this.mergeBackendArtifacts(result.backend);
    result.devops = await this.mergeDevopsArtifacts(result.devops);
 
    // 3. 検証
    await this.validateMerged(result);
 
    return result;
  }
 
  async mergeFrontendArtifacts(artifacts) {
    // React components, styles, assets の統合
    const merged = {
      components: {},
      styles: {},
      pages: {},
      public: {}
    };
 
    for (const [source, artifact] of Object.entries(artifacts)) {
      if (artifact.type === "component") {
        merged.components = this.deepMerge(merged.components, artifact.content);
      }
      if (artifact.type === "styles") {
        merged.styles = this.deepMerge(merged.styles, artifact.content);
      }
    }
 
    return merged;
  }
 
  deepMerge(target, source) {
    for (const [key, value] of Object.entries(source)) {
      if (target[key] && typeof target[key] === "object" && typeof value === "object") {
        target[key] = this.deepMerge(target[key], value);
      } else if (target[key] && target[key] !== value) {
        console.warn(`⚠️  マージ競合: ${key}`);
        // 競合時は新しい値で上書き（またはカスタムロジック）
        target[key] = value;
      } else {
        target[key] = value;
      }
    }
    return target;
  }
}

// production-workflow.js
const productionWorkflow = async () => {
  console.log("🚀 フルスタックSaaS構築開始");
  console.log("📋 プロジェクト: Notion風のノート管理アプリ");
  console.log("⏱️  目標完了時間: 4時間（従来: 10営業日）\n");
 
  // Step 1: 5個エージェント並列起動
  const agents = {
    frontend: getAgent("UIComponentSpecialist"),
    backend: getAgent("BackendArchitect"),
    database: getAgent("DatabaseArchitect"),
    devops: getAgent("DevOpsEngineer"),
    testing: getAgent("TestingAutomationMaster")
  };
 
  const startTime = Date.now();
 
  // Step 2: 並列実行（依存関係なし）
  const [frontendCode, backendAPI, dbSchema, cicdConfig, testSuite] = await Promise.all([
    agents.frontend.generate({
      spec: projectSpec,
      design: figmaLink,
      constraints: { framework: "Next.js 15", styling: "Tailwind CSS" }
    }),
    agents.backend.design({
      spec: projectSpec,
      performance_target: "< 100ms p99"
    }),
    agents.database.design({
      entities: ["users", "workspaces", "documents"],
      scale: "1M+ documents",
      compliance: "GDPR"
    }),
    agents.devops.build({
      hosting: "AWS ECS + RDS",
      regions: ["Tokyo", "us-east-1"],
      autoscaling: true
    }),
    agents.testing.plan({
      coverage_target: 80,
      e2e_scenarios: ["sign_up", "create_doc", "share", "export"]
    })
  ]);
 
  const parallelTime = (Date.now() - startTime) / 1000;
  console.log(`✓ 並列フェーズ完了: ${parallelTime.toFixed(0)}秒\n`);
 
  // Step 3: アーティファクト検証
  console.log("🔍 品質チェック中...");
  const validator = new ArtifactValidator();
  const validation = await validator.validateAll({
    frontend: frontendCode,
    backend: backendAPI,
    database: dbSchema,
    devops: cicdConfig,
    tests: testSuite
  });
 
  let validationPassed = true;
  for (const [agent, result] of Object.entries(validation)) {
    console.log(`${result.passed ? "✓" : "✗"} ${agent}: ${result.checks.syntax_validity.passed ? "OK" : "ERROR"}`);
    if (!result.passed) validationPassed = false;
  }
 
  if (!validationPassed) {
    console.error("❌ 検証失敗。修正中...");
    // 自動修正ロジック
  }
 
  // Step 4: マージと統合
  console.log("🔗 成果物を統合中...");
  const merger = new ArtifactMerger();
  const merged = await merger.mergeAll({
    frontend: frontendCode,
    backend: backendAPI,
    database: dbSchema,
    devops: cicdConfig,
    tests: testSuite
  });
 
  // Step 5: リポジトリにコミット
  console.log("📦 リポジトリにコミット...");
  await commitToGit({
    message: "feat: Full-stack Notion clone v1.0 (AgentKit 5-agent parallel)",
    files: merged
  });
 
  // Step 6: CI/CDパイプライン実行
  console.log("⚙️  CI/CDパイプライン起動...");
  const deploymentResult = await triggerDeployment(cicdConfig);
 
  const totalTime = (Date.now() - startTime) / 1000 / 60;
  console.log(`\n✅ 完成！総時間: ${totalTime.toFixed(1)}分`);
  console.log(`🎯 成果物:`);
  console.log(`   - Frontend: ${Object.keys(merged.frontend.components).length} components`);
  console.log(`   - Backend: ${Object.keys(merged.backend.routes).length} API endpoints`);
  console.log(`   - Database: ${Object.keys(merged.database.tables).length} tables`);
  console.log(`   - Tests: ${Object.keys(merged.tests.scenarios).length} test scenarios`);
  console.log(`   - 📍 URL: ${deploymentResult.url}`);
};
 
// 実行
await productionWorkflow();