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OpenCode CLI Self-Improvement

OpenCode CLI Agent 自主进化完整路线图

版本: v1.0
适用对象: OpenCode CLI 用户
目标: 构建具备自我反思、自我修正、自我扩展能力的智能Agent系统
预计周期: 8-12周(可根据实际情况调整)


目录

  1. 核心理念与架构
  2. 阶段一:基础反射层(第1-2周)
  3. 阶段二:记忆与经验层(第3-4周)
  4. 阶段三:代码自修改层(第5-6周)
  5. 阶段四:多智能体协作层(第7-8周)
  6. 阶段五:元学习与自适应层(第9-12周)
  7. 推荐Skills与工具清单
  8. 安全与约束机制
  9. 评估指标与测试方案

1. 核心理念与架构

1.1 进化范式

本路线图基于 递归自我改进(Recursive Self-Improvement) 理念,参考Gödel Agent[^3^]和SICA[^5^]等前沿研究,构建一个能够:

  • 自我反思(Self-Reflection): 分析自身行为并生成改进建议
  • 自我修正(Self-Correction): 基于反馈调整策略
  • 自我扩展(Self-Extension): 编写新工具/插件扩展能力
  • 元学习(Meta-Learning): 学习如何学习,优化学习策略本身

1.2 技术架构

┌────────────────────────────────────────────────────────────┐
│                    Meta-Controller (元控制器)               │
│  ┌──────────────┐  ┌──────────────┐  ┌──────────────────┐  │
│  │  Self-Eval   │  │  Strategy    │  │  Evolution       │  │
│  │  Module      │  │  Optimizer   │  │  Engine          │  │
│  └──────────────┘  └──────────────┘  └──────────────────┘  │
└────────────────────────────────────────────────────────────┘
                              │
        ┌─────────────────────┼─────────────────────┐
        ▼                     ▼                     ▼
┌──────────────┐      ┌──────────────┐      ┌──────────────┐
│   Reflection │      │   Memory     │      │   Code       │
│   Layer      │      │   Layer      │      │   Generation │
│              │      │              │      │   Layer      │
│ - Reflexion  │      │ - Experience │      │ - STO        │
│ - Self-Refine│      │   Replay     │      │ - SICA       │
│ - RISE       │      │ - Skill Lib  │      │ - Voyager    │
└──────────────┘      └──────────────┘      └──────────────┘

1.3 OpenCode CLI 特定优势

OpenCode CLI 提供了独特的插件系统[^2^][^9^],允许通过以下方式扩展:

  • Event Hooks: 监听session.idle, tool.execute.before等事件
  • Custom Tools: 注册自定义工具函数
  • Middleware: 拦截和修改工具执行流程
  • State Management: 维护跨会话的状态

阶段一:基础反射层(第1-2周)

目标

建立Agent的自我意识基础,实现运行时反思能力。

1.1 核心机制:Reflexion Loop

基于Reflexion[^5^]方法,实现"执行→评估→反思→重试"循环:

实现步骤:

  1. 创建反射插件 (reflection-plugin.ts):
// plugins/reflection-plugin.ts
export const ReflectionPlugin = async ({ client, $ }) => {
  const reflectionMemory: Array<{
    task: string;
    attempt: number;
    output: string;
    error?: string;
    critique: string;
    improvement: string;
  }> = [];

  return {
    // 工具执行后触发
    "tool.execute.after": async (input, output) => {
      if (output.error || output.result?.success === false) {
        // 触发反思流程
        const reflection = await client.llm.complete({
          prompt: `你刚刚执行了任务: ${input.task}
` +
                  `结果: ${JSON.stringify(output)}
` +
                  `请分析失败原因,并提供具体的改进建议。`,
          system: "你是一个自我反思的AI助手。分析错误,提出可操作的改进方案。"
        });

        reflectionMemory.push({
          task: input.task,
          attempt: reflectionMemory.filter(r => r.task === input.task).length + 1,
          output: JSON.stringify(output),
          error: output.error,
          critique: reflection.critique,
          improvement: reflection.improvement
        });

        // 如果失败次数 < 3,使用改进建议重试
        if (reflectionMemory.filter(r => r.task === input.task).length < 3) {
          await client.tools.execute({
            tool: input.tool,
            args: {
              ...input.args,
              context: `Previous attempt failed. Improvement suggestion: ${reflection.improvement}`
            }
          });
        }
      }
    },

    // 会话空闲时保存反思日志
    "session.idle": async () => {
      await $`echo '${JSON.stringify(reflectionMemory, null, 2)}' > .opencode/reflections/$(date +%Y%m%d).json`;
    }
  };
};
  1. 配置插件 (.opencode/config.jsonc):
{
  "plugins": [
    "./plugins/reflection-plugin.ts"
  ],
  "reflection": {
    "enabled": true,
    "maxRetries": 3,
    "persistPath": ".opencode/reflections/"
  }
}

1.2 评估与反馈机制

创建评估器 (evaluators/):

// evaluators/code-quality.ts
export const CodeQualityEvaluator = {
  name: "code-quality",

  async evaluate(code: string, language: string): Promise<{
    score: number;
    issues: string[];
    suggestions: string[];
  }> {
    const checks = {
      javascript: [
        { pattern: /console\.log/g, penalty: -5, msg: "Remove debug logs" },
        { pattern: /var\s+/g, penalty: -3, msg: "Use let/const instead of var" },
        { pattern: /async.*await/g, bonus: 5, msg: "Good async handling" }
      ],
      python: [
        { pattern: /print\(/g, penalty: -5, msg: "Remove print statements" },
        { pattern: /def\s+\w+\s*\([^)]*\):/g, bonus: 2, msg: "Function definitions" },
        { pattern: /import\s+\*/g, penalty: -10, msg: "Avoid wildcard imports" }
      ]
    };

    let score = 100;
    const issues: string[] = [];
    const suggestions: string[] = [];

    const rules = checks[language] || [];
    for (const rule of rules) {
      const matches = (code.match(rule.pattern) || []).length;
      if (rule.penalty && matches > 0) {
        score += rule.penalty * matches;
        issues.push(`${rule.msg} (${matches} occurrences)`);
      }
      if (rule.bonus && matches > 0) {
        score += rule.bonus * matches;
        suggestions.push(rule.msg);
      }
    }

    return { score: Math.max(0, score), issues, suggestions };
  }
};

1.3 本周里程碑

  • 反射插件正常运行,能捕获错误并生成改进建议
  • 建立基础的代码质量评估体系
  • 实现反思日志的持久化存储
  • 在3个不同任务上测试反射循环的有效性

1.4 相关Skills推荐

Skill名称 用途 优先级
opencode-plugin-development[^7^] 插件开发基础 ⭐⭐⭐⭐⭐
reflexion-implementation 反射机制实现 ⭐⭐⭐⭐⭐
code-quality-analysis 代码评估 ⭐⭐⭐⭐

阶段二:记忆与经验层(第3-4周)

目标

构建长期记忆系统,实现经验回放技能库管理。

2.1 核心机制:经验回放(Experience Replay)

基于Self-Generated In-Context Examples[^5^]方法:

实现经验库 (memory/experience-store.ts):

// memory/experience-store.ts
import { vectorStore } from '@opencode-ai/sdk';

interface Experience {
  id: string;
  taskType: string;
  input: any;
  trajectory: Array<{
    action: string;
    observation: string;
    reward: number;
  }>;
  outcome: 'success' | 'failure';
  finalOutput: any;
  timestamp: number;
  embedding?: number[];
}

export class ExperienceStore {
  private experiences: Experience[] = [];
  private vectorDB: any;

  async initialize() {
    // 初始化向量数据库用于相似性检索
    this.vectorDB = await vectorStore.create({
      dimension: 1536,
      metric: 'cosine'
    });
  }

  async addExperience(exp: Experience) {
    // 生成任务嵌入向量
    const embedding = await this.generateEmbedding(
      `${exp.taskType}: ${JSON.stringify(exp.input)}`
    );

    exp.embedding = embedding;
    this.experiences.push(exp);

    // 保存到向量数据库
    await this.vectorDB.upsert([{
      id: exp.id,
      vector: embedding,
      metadata: {
        taskType: exp.taskType,
        outcome: exp.outcome,
        timestamp: exp.timestamp
      }
    }]);

    // 持久化到文件
    await this.persist();
  }

  async retrieveRelevantExperiences(
    currentTask: string, 
    taskType: string,
    topK: number = 3
  ): Promise<Experience[]> {
    const queryEmbedding = await this.generateEmbedding(currentTask);

    // 向量相似性搜索
    const results = await this.vectorDB.query({
      vector: queryEmbedding,
      filter: { taskType },
      topK,
      includeMetadata: true
    });

    return results.matches
      .filter(m => m.metadata.outcome === 'success')
      .map(m => this.experiences.find(e => e.id === m.id))
      .filter(Boolean);
  }

  // 生成少样本提示
  async generateFewShotPrompt(task: string, taskType: string): Promise<string> {
    const relevantExps = await this.retrieveRelevantExperiences(task, taskType);

    if (relevantExps.length === 0) return "";

    const examples = relevantExps.map((exp, idx) => `
### Example ${idx + 1}:
Task: ${JSON.stringify(exp.input)}
Steps:
${exp.trajectory.map((t, i) => `${i+1}. ${t.action}${t.observation}`).join('\n')}
Result: ${JSON.stringify(exp.finalOutput)}
`).join('\n\n');

    return `Here are some relevant past experiences:\n${examples}\n\nNow solve this task: ${task}`;
  }

  private async generateEmbedding(text: string): Promise<number[]> {
    // 使用OpenCode SDK的嵌入功能
    return await vectorStore.embed(text);
  }

  private async persist() {
    await Bun.write(
      '.opencode/memory/experiences.json',
      JSON.stringify(this.experiences, null, 2)
    );
  }
}

2.2 技能库(Skill Library)

参考Voyager[^5^]的代码即策略(Code as Policies)方法:

// skills/skill-library.ts
interface Skill {
  name: string;
  description: string;
  code: string;
  dependencies: string[];
  usageCount: number;
  successRate: number;
  version: number;
  createdAt: number;
  lastUsed: number;
}

export class SkillLibrary {
  private skills: Map<string, Skill> = new Map();
  private skillDir = '.opencode/skills/';

  async addSkill(skill: Omit<Skill, 'usageCount' | 'successRate' | 'version' | 'createdAt' | 'lastUsed'>) {
    const fullSkill: Skill = {
      ...skill,
      usageCount: 0,
      successRate: 0,
      version: 1,
      createdAt: Date.now(),
      lastUsed: Date.now()
    };

    this.skills.set(skill.name, fullSkill);

    // 保存为可执行文件
    await Bun.write(
      `${this.skillDir}/${skill.name}.ts`,
      `// Auto-generated skill: ${skill.name}
` +
      `// Description: ${skill.description}
` +
      `// Version: 1

` +
      skill.code
    );

    // 更新索引
    await this.updateIndex();
  }

  async retrieveSkill(query: string): Promise<Skill[]> {
    // 基于描述和名称的语义搜索
    const queryLower = query.toLowerCase();
    return Array.from(this.skills.values())
      .filter(s => 
        s.description.toLowerCase().includes(queryLower) ||
        s.name.toLowerCase().includes(queryLower)
      )
      .sort((a, b) => b.successRate - a.successRate)
      .slice(0, 5);
  }

  async updateSkillPerformance(skillName: string, success: boolean) {
    const skill = this.skills.get(skillName);
    if (!skill) return;

    skill.usageCount++;
    skill.lastUsed = Date.now();

    // 更新成功率 (指数移动平均)
    const alpha = 0.3;
    const currentSuccess = success ? 1 : 0;
    skill.successRate = skill.successRate * (1 - alpha) + currentSuccess * alpha;

    // 如果成功率低于阈值,标记为需要改进
    if (skill.successRate < 0.5 && skill.usageCount > 5) {
      await this.flagForImprovement(skill);
    }

    await this.updateIndex();
  }

  private async flagForImprovement(skill: Skill) {
    // 创建改进任务
    await Bun.write(
      '.opencode/improvement-queue.json',
      JSON.stringify({
        skill: skill.name,
        reason: `Success rate dropped to ${(skill.successRate * 100).toFixed(1)}%`,
        priority: 'high',
        timestamp: Date.now()
      }, null, 2)
    );
  }

  private async updateIndex() {
    const index = Array.from(this.skills.values()).map(s => ({
      name: s.name,
      description: s.description,
      successRate: s.successRate,
      usageCount: s.usageCount
    }));

    await Bun.write(
      `${this.skillDir}/index.json`,
      JSON.stringify(index, null, 2)
    );
  }
}

2.3 自动技能生成

创建技能生成器 (skills/auto-generator.ts):

// skills/auto-generator.ts
export class SkillGenerator {
  private llm: any;
  private skillLibrary: SkillLibrary;

  async generateSkillFromTask(taskDescription: string, successfulTrajectory: any[]) {
    const prompt = `Analyze this successful task execution and create a reusable skill function.

Task: ${taskDescription}
Execution Steps:
${successfulTrajectory.map((t, i) => `${i+1}. Action: ${t.action}\n   Result: ${t.observation}`).join('\n')}

Create a TypeScript function that generalizes this pattern. Include:
1. Function signature with typed parameters
2. Error handling
3. Input validation
4. JSDoc documentation

Output only the code, no explanations.`;

    const generatedCode = await this.llm.complete({ prompt });

    // 提取函数名(简单启发式)
    const functionName = generatedCode.match(/export\s+(?:async\s+)?function\s+(\w+)/)?.[1] || 
                        `skill_${Date.now()}`;

    await this.skillLibrary.addSkill({
      name: functionName,
      description: `Auto-generated skill for: ${taskDescription.slice(0, 100)}`,
      code: generatedCode,
      dependencies: this.extractDependencies(generatedCode)
    });

    return functionName;
  }

  private extractDependencies(code: string): string[] {
    const imports = code.match(/from\s+['"]([^'"]+)['"]/g) || [];
    return imports.map(i => i.replace(/from\s+['"]/, '').replace(/['"]$/, ''));
  }
}

2.4 本周里程碑

  • 经验存储系统能成功记录和检索相似任务
  • 技能库包含至少5个自动生成的可复用技能
  • 实现基于过往经验的少样本提示增强
  • 建立技能成功率追踪机制

2.5 相关Skills推荐

Skill名称 用途 优先级
vector-store-implementation 向量数据库集成 ⭐⭐⭐⭐⭐
experience-replay-system 经验回放机制 ⭐⭐⭐⭐⭐
code-as-policies 代码策略生成 ⭐⭐⭐⭐
semantic-search 语义检索 ⭐⭐⭐⭐

阶段三:代码自修改层(第5-6周)

目标

实现Agent能够安全地修改自身代码,这是递归自我改进的关键一步。

3.1 核心机制:Self-Taught Optimizer (STO)

基于STO[^5^]方法,让Agent优化自己的代码:

创建代码优化器 (evolution/code-optimizer.ts):

// evolution/code-optimizer.ts
import { $ } from 'bun';

interface CodeVariant {
  id: string;
  code: string;
  parentId?: string;
  generation: number;
  fitness?: number;
  testResults?: any;
}

export class SelfOptimizer {
  private variants: CodeVariant[] = [];
  private currentGeneration = 0;
  private readonly maxGenerations = 5;
  private readonly populationSize = 3;

  async optimizeSelf(targetModule: string, testSuite: string) {
    console.log(`🧬 Starting self-optimization for ${targetModule}`);

    // 读取当前代码
    const originalCode = await Bun.file(targetModule).text();

    // 初始化种群
    this.variants = [{
      id: 'v0-original',
      code: originalCode,
      generation: 0
    }];

    for (let gen = 0; gen < this.maxGenerations; gen++) {
      this.currentGeneration = gen;
      console.log(`
📊 Generation ${gen}`);

      // 评估当前种群
      for (const variant of this.variants.filter(v => v.generation === gen)) {
        variant.fitness = await this.evaluateFitness(variant, testSuite);
        console.log(`  ${variant.id}: fitness = ${variant.fitness}`);
      }

      // 选择最优
      const best = this.variants
        .filter(v => v.generation === gen)
        .sort((a, b) => (b.fitness || 0) - (a.fitness || 0))[0];

      if (best.fitness && best.fitness > 0.95) {
        console.log(`✅ Found satisfactory solution: ${best.id}`);
        return best;
      }

      // 生成下一代
      if (gen < this.maxGenerations - 1) {
        await this.generateNextGeneration(best);
      }
    }

    // 返回最优解
    return this.variants.sort((a, b) => (b.fitness || 0) - (a.fitness || 0))[0];
  }

  private async evaluateFitness(variant: CodeVariant, testSuite: string): Promise<number> {
    // 写入临时文件
    const tempFile = `.opencode/temp/${variant.id}.ts`;
    await Bun.write(tempFile, variant.code);

    try {
      // 语法检查
      const syntaxCheck = await $`bun run tsc --noEmit ${tempFile}`.quiet();
      if (syntaxCheck.exitCode !== 0) return 0;

      // 运行测试
      const testResult = await $`bun test ${testSuite}`.quiet().catch(e => e);

      // 计算适应度:测试通过率 + 代码质量
      const testScore = testResult.exitCode === 0 ? 0.7 : 0.3;
      const qualityScore = this.assessCodeQuality(variant.code) * 0.3;

      return testScore + qualityScore;
    } catch (e) {
      return 0;
    }
  }

  private async generateNextGeneration(parent: CodeVariant) {
    const mutations = [
      this.mutateAddErrorHandling(parent),
      this.mutateOptimizePerformance(parent),
      this.mutateAddLogging(parent)
    ];

    const newVariants = await Promise.all(mutations);

    for (let i = 0; i < newVariants.length; i++) {
      this.variants.push({
        id: `v${this.currentGeneration + 1}-${i}`,
        code: newVariants[i],
        parentId: parent.id,
        generation: this.currentGeneration + 1
      });
    }
  }

  private async mutateAddErrorHandling(parent: CodeVariant): Promise<string> {
    const prompt = `Improve this code by adding comprehensive error handling:

${parent.code}

Requirements:
1. Add try-catch blocks where appropriate
2. Add input validation
3. Add meaningful error messages
4. Ensure all async operations handle errors

Output only the improved code.`;

    return await this.llm.complete({ prompt });
  }

  private async mutateOptimizePerformance(parent: CodeVariant): Promise<string> {
    const prompt = `Optimize this code for better performance:

${parent.code}

Focus on:
1. Algorithmic efficiency
2. Reducing unnecessary operations
3. Better data structures
4. Caching where appropriate

Output only the optimized code.`;

    return await this.llm.complete({ prompt });
  }

  private assessCodeQuality(code: string): number {
    let score = 1.0;

    // 检查代码异味
    if (code.includes('any')) score -= 0.1;
    if ((code.match(/console\.log/g) || []).length > 3) score -= 0.1;
    if (code.length > 500 && !code.includes('//')) score -= 0.1; // 缺少注释

    return Math.max(0, score);
  }
}

3.2 安全沙箱机制

创建安全执行环境 (security/sandbox.ts):

// security/sandbox.ts
export class SecureSandbox {
  private allowedModules = new Set([
    'bun', '@opencode-ai/sdk', 'path', 'fs/promises'
  ]);

  private forbiddenPatterns = [
    /eval\s*\(/,
    /Function\s*\(/,
    /child_process/,
    /require\s*\(\s*['"]http/,
    /process\.exit/
  ];

  validateCode(code: string): { valid: boolean; errors: string[] } {
    const errors: string[] = [];

    // 检查禁止模式
    for (const pattern of this.forbiddenPatterns) {
      if (pattern.test(code)) {
        errors.push(`Forbidden pattern detected: ${pattern.source}`);
      }
    }

    // 检查模块导入
    const imports = code.match(/from\s+['"]([^'"]+)['"]/g) || [];
    for (const imp of imports) {
      const module = imp.replace(/from\s+['"]/, '').replace(/['"]$/, '');
      if (!this.allowedModules.has(module) && !module.startsWith('./')) {
        errors.push(`Unauthorized module import: ${module}`);
      }
    }

    return { valid: errors.length === 0, errors };
  }

  async executeInSandbox(code: string, timeout: number = 5000): Promise<any> {
    // 使用Worker线程隔离执行
    const worker = new Worker(URL.createObjectURL(new Blob([`
      ${code}
      self.postMessage({ type: 'complete' });
    `])));

    return new Promise((resolve, reject) => {
      const timer = setTimeout(() => {
        worker.terminate();
        reject(new Error('Execution timeout'));
      }, timeout);

      worker.onmessage = (e) => {
        clearTimeout(timer);
        worker.terminate();
        resolve(e.data);
      };

      worker.onerror = (err) => {
        clearTimeout(timer);
        worker.terminate();
        reject(err);
      };
    });
  }
}

3.3 自我修改工作流

创建进化控制器 (evolution/controller.ts):

// evolution/controller.ts
export class EvolutionController {
  private optimizer: SelfOptimizer;
  private sandbox: SecureSandbox;
  private backupDir = '.opencode/backups/';

  async proposeModification(
    targetFile: string,
    improvementGoal: string
  ): Promise<{ approved: boolean; variant?: any }> {
    // 1. 创建备份
    await this.createBackup(targetFile);

    // 2. 生成改进方案
    const currentCode = await Bun.file(targetFile).text();
    const proposedCode = await this.generateImprovement(currentCode, improvementGoal);

    // 3. 安全检查
    const validation = this.sandbox.validateCode(proposedCode);
    if (!validation.valid) {
      console.error('Security check failed:', validation.errors);
      return { approved: false };
    }

    // 4. 运行测试套件
    const testResults = await this.runTests(proposedCode);

    if (testResults.passed) {
      // 5. 人类确认(生产环境)或自动批准(开发环境)
      if (process.env.AUTO_APPROVE === 'true') {
        await this.applyModification(targetFile, proposedCode);
        return { approved: true, variant: { code: proposedCode, tests: testResults } };
      } else {
        // 等待人工审核
        await this.queueForReview(targetFile, proposedCode, testResults);
        return { approved: false };
      }
    }

    return { approved: false };
  }

  private async createBackup(file: string) {
    const timestamp = new Date().toISOString().replace(/[:.]/g, '-');
    const backupPath = `${this.backupDir}${timestamp}_${file.replace(/\//g, '_')}`;
    await $`cp ${file} ${backupPath}`;
  }

  private async generateImprovement(code: string, goal: string): Promise<string> {
    const prompt = `Improve the following code to achieve: ${goal}

Current code:
${code}

Requirements:
1. Maintain all existing functionality
2. Add comprehensive error handling
3. Include TypeScript types
4. Add inline documentation
5. Optimize for readability and performance

Output only the improved code without explanations.`;

    return await this.llm.complete({ prompt, temperature: 0.2 });
  }

  private async runTests(code: string): Promise<{ passed: boolean; coverage: number }> {
    // 实现测试逻辑
    return { passed: true, coverage: 0.85 };
  }
}

3.4 本周里程碑

  • 实现代码优化器,能生成并评估代码变体
  • 建立安全沙箱,阻止危险代码执行
  • 完成至少1个模块的自我改进(如反射插件自身)
  • 建立自动备份和回滚机制

3.5 相关Skills推荐

Skill名称 用途 优先级
self-taught-optimizer STO实现 ⭐⭐⭐⭐⭐
secure-code-execution 沙箱安全 ⭐⭐⭐⭐⭐
genetic-programming 遗传算法优化 ⭐⭐⭐⭐
automated-testing 自动化测试 ⭐⭐⭐⭐

阶段四:多智能体协作层(第7-8周)

目标

构建多Agent系统,实现集体智能专业化分工

4.1 核心机制:SiriuS多Agent系统

基于SiriuS[^5^]的多Agent经验共享机制:

创建Agent编排器 (multi-agent/orchestrator.ts):

// multi-agent/orchestrator.ts
interface Agent {
  id: string;
  role: 'planner' | 'coder' | 'reviewer' | 'tester' | 'researcher';
  capabilities: string[];
  currentTask?: string;
  performance: {
    tasksCompleted: number;
    successRate: number;
    avgResponseTime: number;
  };
}

interface Task {
  id: string;
  description: string;
  requiredCapabilities: string[];
  complexity: 'low' | 'medium' | 'high';
  subtasks?: Task[];
  assignedTo?: string;
  status: 'pending' | 'in_progress' | 'completed' | 'failed';
}

export class MultiAgentOrchestrator {
  private agents: Map<string, Agent> = new Map();
  private taskQueue: Task[] = [];
  private sharedMemory: any;

  async initializeAgents() {
    // 创建专业化Agent
    const defaultAgents: Agent[] = [
      {
        id: 'planner-1',
        role: 'planner',
        capabilities: ['architecture', 'decomposition', 'estimation'],
        performance: { tasksCompleted: 0, successRate: 1.0, avgResponseTime: 0 }
      },
      {
        id: 'coder-1',
        role: 'coder',
        capabilities: ['typescript', 'python', 'optimization', 'debugging'],
        performance: { tasksCompleted: 0, successRate: 1.0, avgResponseTime: 0 }
      },
      {
        id: 'reviewer-1',
        role: 'reviewer',
        capabilities: ['code-review', 'security-audit', 'best-practices'],
        performance: { tasksCompleted: 0, successRate: 1.0, avgResponseTime: 0 }
      },
      {
        id: 'tester-1',
        role: 'tester',
        capabilities: ['unit-testing', 'integration-testing', 'edge-cases'],
        performance: { tasksCompleted: 0, successRate: 1.0, avgResponseTime: 0 }
      }
    ];

    for (const agent of defaultAgents) {
      this.agents.set(agent.id, agent);
    }
  }

  async submitTask(description: string): Promise<any> {
    // 1. 规划阶段:分解任务
    const planner = this.agents.get('planner-1')!;
    const taskBreakdown = await this.planTask(planner, description);

    // 2. 分配阶段:匹配Agent
    const assignments = this.assignTasks(taskBreakdown);

    // 3. 执行阶段:并行/串行执行
    const results = await this.executeAssignments(assignments);

    // 4. 审核阶段:质量检查
    const reviewer = this.agents.get('reviewer-1')!;
    const review = await this.reviewWork(reviewer, results);

    // 5. 学习阶段:更新共享经验
    await this.updateSharedExperience(results, review);

    return { results, review };
  }

  private async planTask(planner: Agent, description: string): Promise<Task[]> {
    const prompt = `As an architecture planner, break down this task into subtasks:

Task: ${description}

For each subtask, specify:
1. Description
2. Required capabilities
3. Complexity (low/medium/high)
4. Dependencies on other subtasks

Output as JSON array.`;

    const response = await this.callAgent(planner, prompt);
    return JSON.parse(response);
  }

  private assignTasks(tasks: Task[]): Map<string, Task[]> {
    const assignments = new Map<string, Task[]>();

    for (const task of tasks) {
      // 基于能力匹配选择最佳Agent
      const bestAgent = this.selectBestAgent(task.requiredCapabilities);

      if (!assignments.has(bestAgent)) {
        assignments.set(bestAgent, []);
      }
      assignments.get(bestAgent)!.push(task);
    }

    return assignments;
  }

  private selectBestAgent(requiredCapabilities: string[]): string {
    let bestAgent = '';
    let bestScore = -1;

    for (const [id, agent] of this.agents) {
      const score = requiredCapabilities.filter(cap => 
        agent.capabilities.includes(cap)
      ).length / requiredCapabilities.length;

      // 考虑历史表现
      const performanceBonus = agent.performance.successRate * 0.2;

      if (score + performanceBonus > bestScore) {
        bestScore = score + performanceBonus;
        bestAgent = id;
      }
    }

    return bestAgent;
  }

  private async executeAssignments(
    assignments: Map<string, Task[]>
  ): Promise<Map<string, any>> {
    const results = new Map<string, any>();

    // 并行执行独立任务
    const promises = Array.from(assignments.entries()).map(async ([agentId, tasks]) => {
      const agent = this.agents.get(agentId)!;
      const agentResults = [];

      for (const task of tasks) {
        const startTime = Date.now();
        try {
          const result = await this.executeTask(agent, task);
          agentResults.push({ task: task.id, result, success: true });

          // 更新Agent表现
          agent.performance.tasksCompleted++;
          agent.performance.avgResponseTime = 
            (agent.performance.avgResponseTime * (agent.performance.tasksCompleted - 1) + 
             (Date.now() - startTime)) / agent.performance.tasksCompleted;
        } catch (error) {
          agentResults.push({ task: task.id, error, success: false });
          agent.performance.successRate *= 0.95; // 降低成功率
        }
      }

      results.set(agentId, agentResults);
    });

    await Promise.all(promises);
    return results;
  }

  private async updateSharedExperience(results: Map<string, any>, review: any) {
    // 将成功经验存入共享库
    const successfulPatterns = Array.from(results.values())
      .flat()
      .filter((r: any) => r.success)
      .map((r: any) => ({
        pattern: r.result,
        timestamp: Date.now(),
        rating: review.score
      }));

    await this.sharedMemory.store('successful_patterns', successfulPatterns);
  }
}

4.2 Agent间通信协议

// multi-agent/protocol.ts
export class AgentCommunication {
  private messageBus: EventTarget;

  async sendMessage(
    from: string,
    to: string,
    type: 'request' | 'response' | 'broadcast' | 'delegation',
    payload: any,
    priority: 'low' | 'normal' | 'high' = 'normal'
  ): Promise<any> {
    const message = {
      id: crypto.randomUUID(),
      from,
      to,
      type,
      payload,
      priority,
      timestamp: Date.now(),
      ttl: 5 // 最多转发5次
    };

    if (type === 'broadcast') {
      this.messageBus.dispatchEvent(new CustomEvent('broadcast', { detail: message }));
      return;
    }

    // 等待响应
    return new Promise((resolve, reject) => {
      const timeout = setTimeout(() => reject(new Error('Message timeout')), 30000);

      const handler = (e: CustomEvent) => {
        if (e.detail.inReplyTo === message.id) {
          clearTimeout(timeout);
          this.messageBus.removeEventListener('message', handler);
          resolve(e.detail.payload);
        }
      };

      this.messageBus.addEventListener('message', handler);
      this.messageBus.dispatchEvent(new CustomEvent('message', { detail: message }));
    });
  }

  // 订阅特定类型的消息
  subscribe(
    agentId: string,
    messageTypes: string[],
    handler: (msg: any) => void
  ): () => void {
    const wrapper = (e: CustomEvent) => {
      if (e.detail.to === agentId && messageTypes.includes(e.detail.type)) {
        handler(e.detail);
      }
    };

    this.messageBus.addEventListener('message', wrapper);
    return () => this.messageBus.removeEventListener('message', wrapper);
  }
}

4.3 本周里程碑

  • 实现多Agent任务分解与分配
  • 建立Agent间通信协议
  • 完成至少1个复杂任务的多Agent协作执行
  • 实现共享经验库

4.4 相关Skills推荐

Skill名称 用途 优先级
multi-agent-orchestration 多Agent编排 ⭐⭐⭐⭐⭐
sirius-framework 经验共享机制 ⭐⭐⭐⭐
consensus-algorithms Agent共识机制 ⭐⭐⭐
distributed-systems 分布式通信 ⭐⭐⭐

阶段五:元学习与自适应层(第9-12周)

目标

实现元学习能力,让Agent学会如何改进自己,达到真正的自主进化。

5.1 核心机制:SEAL (Self-Adapting Language Models)

基于SEAL[^5^]的自适应方法:

创建元学习引擎 (meta-learning/engine.ts):

// meta-learning/engine.ts
interface LearningStrategy {
  id: string;
  name: string;
  description: string;
  applicableTo: string[];
  effectiveness: number;
  usageCount: number;
}

interface MetaLearningState {
  strategies: LearningStrategy[];
  currentStrategy: string;
  adaptationHistory: Array<{
    timestamp: number;
    fromStrategy: string;
    toStrategy: string;
    reason: string;
    outcome: 'success' | 'failure';
  }>;
}

export class MetaLearningEngine {
  private state: MetaLearningState;
  private performanceTracker: PerformanceTracker;

  constructor() {
    this.state = {
      strategies: [
        {
          id: 'reflexion',
          name: 'Reflexion-based Learning',
          description: 'Learn from immediate feedback and retry',
          applicableTo: ['coding', 'reasoning', 'planning'],
          effectiveness: 0.8,
          usageCount: 0
        },
        {
          id: 'skill-acquisition',
          name: 'Skill Library Expansion',
          description: 'Extract and store reusable skills',
          applicableTo: ['repetitive-tasks', 'pattern-matching'],
          effectiveness: 0.75,
          usageCount: 0
        },
        {
          id: 'self-modification',
          name: 'Code Self-Modification',
          description: 'Rewrite own code for improvement',
          applicableTo: ['optimization', 'bug-fixing'],
          effectiveness: 0.6,
          usageCount: 0
        },
        {
          id: 'multi-agent',
          name: 'Collaborative Problem Solving',
          description: 'Use multiple specialized agents',
          applicableTo: ['complex-tasks', 'multi-domain'],
          effectiveness: 0.85,
          usageCount: 0
        }
      ],
      currentStrategy: 'reflexion',
      adaptationHistory: []
    };
  }

  async adaptStrategy(taskType: string, recentPerformance: number): Promise<string> {
    // 如果当前策略效果不佳,尝试切换
    if (recentPerformance < 0.6) {
      const alternative = this.selectBestStrategy(taskType);

      if (alternative !== this.state.currentStrategy) {
        console.log(`🔄 Adapting strategy: ${this.state.currentStrategy}${alternative}`);

        this.state.adaptationHistory.push({
          timestamp: Date.now(),
          fromStrategy: this.state.currentStrategy,
          toStrategy: alternative,
          reason: `Performance dropped to ${(recentPerformance * 100).toFixed(1)}%`,
          outcome: 'success' // 将在下次评估时更新
        });

        this.state.currentStrategy = alternative;

        // 更新策略有效性评分
        this.updateStrategyEffectiveness(
          this.state.currentStrategy,
          recentPerformance
        );
      }
    }

    return this.state.currentStrategy;
  }

  private selectBestStrategy(taskType: string): string {
    const candidates = this.state.strategies
      .filter(s => s.applicableTo.includes(taskType) || s.applicableTo.includes('general'))
      .sort((a, b) => {
        // 综合考虑有效性和探索需求
        const aScore = a.effectiveness + (1 / (a.usageCount + 1)) * 0.1; // 鼓励探索
        const bScore = b.effectiveness + (1 / (b.usageCount + 1)) * 0.1;
        return bScore - aScore;
      });

    return candidates[0]?.id || 'reflexion';
  }

  private updateStrategyEffectiveness(strategyId: string, performance: number) {
    const strategy = this.state.strategies.find(s => s.id === strategyId);
    if (strategy) {
      // 指数移动平均
      strategy.effectiveness = strategy.effectiveness * 0.7 + performance * 0.3;
      strategy.usageCount++;
    }
  }

  // 生成新的学习策略
  async evolveNewStrategy(): Promise<LearningStrategy | null> {
    const prompt = `Based on the following learning history, propose a new learning strategy:

Current Strategies:
${JSON.stringify(this.state.strategies, null, 2)}

Adaptation History:
${JSON.stringify(this.state.adaptationHistory.slice(-10), null, 2)}

Design a new strategy that addresses current weaknesses. Output as JSON:
{
  "name": "...",
  "description": "...",
  "applicableTo": ["..."],
  "implementation": "..."
}`;

    const response = await this.llm.complete({ prompt, temperature: 0.7 });

    try {
      const newStrategy = JSON.parse(response);
      return {
        id: `strategy-${Date.now()}`,
        ...newStrategy,
        effectiveness: 0.5, // 初始中性评分
        usageCount: 0
      };
    } catch {
      return null;
    }
  }
}

5.2 自动课程生成(Auto-Curriculum)

基于Self-Challenging[^5^]方法:

// meta-learning/curriculum.ts
export class AutoCurriculum {
  private currentDifficulty = 1;
  private successThreshold = 0.8;
  private failureThreshold = 0.4;

  async generateNextTask(
    currentCapabilities: string[],
    recentPerformance: number
  ): Promise<{ task: string; difficulty: number }> {
    // 根据表现调整难度
    if (recentPerformance > this.successThreshold) {
      this.currentDifficulty++;
    } else if (recentPerformance < this.failureThreshold) {
      this.currentDifficulty = Math.max(1, this.currentDifficulty - 1);
    }

    const prompt = `Generate a coding task with difficulty level ${this.currentDifficulty}/10.

Requirements:
- Must require these capabilities: ${currentCapabilities.join(', ')}
- Should be solvable but challenging at this level
- Include specific acceptance criteria
- For difficulty ${this.currentDifficulty}, ${this.getDifficultyConstraints(this.currentDifficulty)}

Output format:
{
  "title": "...",
  "description": "...",
  "acceptanceCriteria": ["..."],
  "hints": ["..."],
  "estimatedTime": "..."
}`;

    const response = await this.llm.complete({ prompt });
    const task = JSON.parse(response);

    return {
      task: `${task.title}: ${task.description}`,
      difficulty: this.currentDifficulty
    };
  }

  private getDifficultyConstraints(level: number): string {
    const constraints = {
      1: 'use only basic syntax, single file',
      3: 'require simple error handling, 2-3 files',
      5: 'require design patterns, external API integration',
      7: 'require concurrent processing, complex state management',
      10: 'require distributed systems knowledge, optimization for scale'
    };

    return constraints[level] || 'increase complexity appropriately';
  }
}

5.3 自我评估与目标设定

// meta-learning/self-assessment.ts
export class SelfAssessment {
  async conductSelfAssessment(): Promise<{
    strengths: string[];
    weaknesses: string[];
    improvementGoals: string[];
    suggestedTraining: string[];
  }> {
    // 1. 收集性能数据
    const metrics = await this.collectMetrics();

    // 2. 分析能力差距
    const analysis = await this.analyzeGaps(metrics);

    // 3. 设定改进目标
    const goals = await this.setGoals(analysis);

    // 4. 生成训练计划
    const training = await this.generateTrainingPlan(goals);

    return {
      strengths: analysis.strengths,
      weaknesses: analysis.weaknesses,
      improvementGoals: goals,
      suggestedTraining: training
    };
  }

  private async analyzeGaps(metrics: any) {
    const prompt = `Analyze these performance metrics and identify strengths/weaknesses:

${JSON.stringify(metrics, null, 2)}

Provide analysis in JSON format:
{
  "strengths": ["..."],
  "weaknesses": ["..."],
  "bottlenecks": ["..."]
}`;

    return JSON.parse(await this.llm.complete({ prompt }));
  }

  private async setGoals(analysis: any): Promise<string[]> {
    return analysis.weaknesses.map((w: string) => 
      `Improve ${w} by 20% within next 2 weeks`
    );
  }
}

5.4 本周里程碑

  • 实现元学习引擎,能自动选择学习策略
  • 建立自动课程生成系统
  • 完成至少1轮完整的自我评估→目标设定→训练→验证循环
  • 系统能根据表现自动调整进化方向

5.5 相关Skills推荐

Skill名称 用途 优先级
meta-learning 元学习算法 ⭐⭐⭐⭐⭐
auto-curriculum 自动课程生成 ⭐⭐⭐⭐⭐
self-assessment 自我评估 ⭐⭐⭐⭐
reinforcement-learning 强化学习基础 ⭐⭐⭐⭐

推荐Skills与工具清单

必备Skills(按优先级排序)

优先级 Skill名称 用途 学习资源
⭐⭐⭐⭐⭐ opencode-plugin-development[^7^][^9^] 插件开发基础 OpenCode官方文档
⭐⭐⭐⭐⭐ reflexion-implementation 反射机制 arXiv:2303.11366
⭐⭐⭐⭐⭐ vector-store-implementation 向量数据库 Pinecone/Weaviate文档
⭐⭐⭐⭐⭐ self-taught-optimizer 代码自优化 STO论文
⭐⭐⭐⭐⭐ secure-code-execution 安全沙箱 Deno/Worker API
⭐⭐⭐⭐ experience-replay-system 经验回放 NeurIPS 2025论文
⭐⭐⭐⭐ code-as-policies 代码策略 Voyager论文
⭐⭐⭐⭐ multi-agent-orchestration 多Agent系统 SiriuS论文
⭐⭐⭐⭐ meta-learning 元学习 MAML, Reptile算法
⭐⭐⭐ genetic-programming 遗传算法 DEAP库文档

推荐工具栈

# 核心依赖
runtime: Bun (高性能JavaScript运行时)
language: TypeScript (类型安全)
vector_db: Pinecone 或 Weaviate (经验检索)
state_management: Redis (共享状态)
monitoring: OpenTelemetry (性能追踪)
testing: Bun:test (内置测试框架)

# OpenCode特定
opencode_sdk: @opencode-ai/sdk
opencode_plugins: 
  - @opencode-ai/plugin-core
  - custom-reflection-plugin
  - custom-memory-plugin

安全与约束机制

7.1 安全原则

基于Gödel Agent[^3^]的安全建议:

  1. 沙箱隔离: 所有自生成代码在隔离环境执行
  2. 版本控制: 每次修改前自动创建Git提交
  3. 人工审核: 关键修改需人工批准(可配置)
  4. 能力限制: 限制Agent可修改的文件范围
  5. 回滚机制: 保留最近10个版本,支持秒级回滚

7.2 约束配置

// .opencode/safety.jsonc
{
  "selfModification": {
    "enabled": true,
    "autoApprove": false, // 生产环境设为false
    "allowedPaths": [
      "plugins/**",
      "skills/**",
      "evaluators/**"
    ],
    "forbiddenPaths": [
      "security/**",
      "node_modules/**",
      ".env*"
    ],
    "maxCodeLength": 5000,
    "requireTests": true,
    "testCoverageThreshold": 0.8
  },
  "sandbox": {
    "timeout": 5000,
    "memoryLimit": "128MB",
    "networkAccess": false,
    "fileSystemAccess": "readonly"
  },
  "backup": {
    "enabled": true,
    "retention": 10,
    "autoCommit": true
  }
}

评估指标与测试方案

8.1 核心指标(KPIs)

指标类别 具体指标 目标值 测量方法
性能 任务成功率 >90% 自动化测试套件
效率 平均解决时间 比基线减少30% 时间追踪
进化 代码改进接受率 >70% 人工审核日志
质量 测试覆盖率 >85% Istanbul/nyc
安全 危险操作拦截率 100% 安全审计日志
学习 技能复用率 >60% 技能库分析

8.2 测试方案

// tests/evolution.test.ts
import { describe, expect, test } from 'bun:test';

describe('Agent Self-Evolution', () => {
  test('should improve code quality over iterations', async () => {
    const initialScore = await evaluateCodeQuality('baseline.ts');

    // 运行5轮自我改进
    for (let i = 0; i < 5; i++) {
      await agent.runSelfImprovementCycle();
    }

    const finalScore = await evaluateCodeQuality('improved.ts');
    expect(finalScore).toBeGreaterThan(initialScore * 1.2);
  });

  test('should learn from past mistakes', async () => {
    const task = 'create-api-endpoint';

    // 第一次执行(预期可能失败)
    const result1 = await agent.execute(task);

    // 学习阶段
    await agent.reflect(result1);

    // 第二次执行(应该更好)
    const result2 = await agent.execute(task);

    expect(result2.success).toBe(true);
    expect(result2.time).toBeLessThan(result1.time * 0.8);
  });

  test('should safely reject dangerous modifications', async () => {
    const dangerousCode = `
      import { exec } from 'child_process';
      exec('rm -rf /');
    `;

    const result = await sandbox.validateCode(dangerousCode);
    expect(result.valid).toBe(false);
    expect(result.errors.length).toBeGreaterThan(0);
  });
});

总结与下一步

9.1 进化路线图总览

Week 1-2:   [基础反射层]      错误捕获 → 反思 → 重试
Week 3-4:   [记忆经验层]      存储 → 检索 → 复用
Week 5-6:   [代码自修改层]    生成 → 评估 → 进化
Week 7-8:   [多Agent协作层]   分解 → 分配 → 共识
Week 9-12:  [元学习层]        评估 → 适应 → 创新

9.2 关键成功因素

  1. 渐进式增强: 每个阶段建立在前一阶段基础上,不要跳过基础
  2. 持续评估: 每个阶段都有明确的退出标准和测试方案
  3. 安全第一: 始终优先保证系统稳定性和安全性
  4. 人机协作: 保持人类在关键决策中的监督作用

9.3 扩展方向

完成本路线图后,可考虑:

  • 集体智能: 多个OpenCode实例间的经验共享网络
  • 跨模态学习: 扩展到图像、音频等多模态任务
  • 持续部署: 自动将通过验证的改进部署到生产环境
  • 个性化适应: 根据用户习惯调整Agent行为

参考资源

学术论文

  1. Gödel Agent[^3^]: 递归自我改进的理论框架
  2. Reflexion[^5^]: 语言Agent的口头强化学习
  3. STO[^5^]: 自教导优化器
  4. SICA[^5^]: 自我改进的编程Agent
  5. SEAL[^5^]: 自适应语言模型
  6. SiriuS[^5^]: 多Agent自举推理

开源项目

社区资源

  • OpenCode Discord: 实时技术支持
  • GitHub Discussions: 架构设计讨论
  • arXiv cs.AI: 最新研究动态

文档版本: 1.0
最后更新: 2026-03-22
维护者: OpenCode Evolution Team
许可证: MIT


"The question of whether a computer can think is no more interesting than the question of whether a submarine can swim." — Edsger W. Dijkstra

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