#!/usr/bin/env node
/**
 * 全链路健康检查 (Health Check)
 *
 * 聚合所有验证器为单一健康评分 (0-100)。
 * 供 self-auditor D8 维度和日常运维使用。
 *
 * 用法:
 *   node scripts/health-check.js          # 文本报告
 *   node scripts/health-check.js --json   # JSON 输出 (供程序消费)
 */

const { execSync } = require('child_process');
const fs = require('fs');
const path = require('path');

const detectClaudeRoot = () => require('./paths.config.js').PATHS.root;

const CLAUDE_ROOT = detectClaudeRoot();
const JSON_MODE = process.argv.includes('--json');

// === 维度检查器 ===
let dimensions = [];
function resetDimensions() { dimensions = []; return dimensions; }

function addDimension(id, name, score, status, detail) {
  dimensions.push({ id, name, score, status, detail });
}

function runScript(scriptPath, args = '') {
  try {
    const result = execSync(
      `node "${path.join(CLAUDE_ROOT, scriptPath)}" ${args}`,
      { encoding: 'utf8', timeout: 15000, cwd: CLAUDE_ROOT }
    );
    return { ok: true, output: result };
  } catch (e) {
    return { ok: false, output: e.stdout || '', error: e.stderr || e.message };
  }
}

// H1: 配置一致性 (config-validator)
function checkConfig() {
  const result = runScript('scripts/config-validator.js', '--json');
  if (!result.ok) {
    addDimension('H1', '配置一致性', 50, 'WARN', '验证器执行失败');
    return;
  }
  try {
    const data = JSON.parse(result.output);
    if (data.errors > 0) {
      addDimension('H1', '配置一致性', Math.max(0, 100 - data.errors * 25 - data.warnings * 5),
        'FAIL', `${data.errors} errors, ${data.warnings} warnings`);
    } else if (data.warnings > 0) {
      addDimension('H1', '配置一致性', Math.max(70, 100 - data.warnings * 5),
        'WARN', `${data.warnings} warnings`);
    } else {
      addDimension('H1', '配置一致性', 100, 'PASS', '全部检查通过');
    }
  } catch {
    addDimension('H1', '配置一致性', 60, 'WARN', '输出解析失败');
  }
}

// H2: 行为基线 (behavior-baseline)
function checkBehavior() {
  const result = runScript('scripts/behavior-baseline.js', '--check --json');
  if (!result.ok) {
    addDimension('H2', '行为基线', 80, 'INFO', '基线数据不足');
    return;
  }
  try {
    const data = JSON.parse(result.output);
    const check = data.check || {};
    const anomalyCount = (check.anomalies || []).length;
    const criticals = (check.anomalies || []).filter(a => a.severity === 'CRITICAL').length;

    if (criticals > 0) {
      addDimension('H2', '行为基线', 30, 'FAIL', `${criticals} 个严重异常`);
    } else if (anomalyCount > 0) {
      addDimension('H2', '行为基线', Math.max(60, 100 - anomalyCount * 15),
        'WARN', `${anomalyCount} 个异常`);
    } else {
      addDimension('H2', '行为基线', 100, 'PASS', '行为正常');
    }
  } catch {
    addDimension('H2', '行为基线', 80, 'INFO', '输出解析失败');
  }
}

// H3: 磁盘健康
function checkDisk() {
  const debugDir = path.join(CLAUDE_ROOT, 'debug');
  let totalSize = 0;
  try {
    const files = fs.readdirSync(debugDir);
    for (const f of files) {
      try {
        totalSize += fs.statSync(path.join(debugDir, f)).size;
      } catch {}
    }
  } catch {}

  const sizeMB = Math.round(totalSize / 1024 / 1024);

  // P5: session-active.lock 过期检测 (>24h 视为残留)
  let lockNote = '';
  try {
    const lockFile = path.join(debugDir, 'session-active.lock');
    if (fs.existsSync(lockFile)) {
      const lockAge = (Date.now() - fs.statSync(lockFile).mtimeMs) / 3600000;
      if (lockAge > 24) {
        lockNote = `, session-active.lock 残留 (${Math.round(lockAge)}h 前)`;
      }
    }
  } catch {}

  if (sizeMB > 16384) {
    addDimension('H3', '磁盘健康', 20, 'FAIL', `${sizeMB} MB (>16GB CRITICAL)${lockNote}`);
  } else if (sizeMB > 8192) {
    addDimension('H3', '磁盘健康', 50, 'WARN', `${sizeMB} MB (>8GB WARNING)${lockNote}`);
  } else if (sizeMB > 1024) {
    addDimension('H3', '磁盘健康', 75, 'INFO', `${sizeMB} MB${lockNote}`);
  } else {
    addDimension('H3', '磁盘健康', lockNote ? 90 : 100, lockNote ? 'INFO' : 'PASS', `${sizeMB} MB${lockNote}`);
  }
}

// H4: 钩子完整性 (checksums + designDecisions 识别)
function checkIntegrity() {
  const checksumFile = path.join(CLAUDE_ROOT, 'hooks', 'checksums.json');
  if (!fs.existsSync(checksumFile)) {
    addDimension('H4', '钩子完整性', 60, 'WARN', 'checksums.json 不存在');
    return;
  }

  try {
    const crypto = require('crypto');
    const checksums = JSON.parse(fs.readFileSync(checksumFile, 'utf8'));
    const hooksDir = path.join(CLAUDE_ROOT, 'hooks');
    let total = 0, match = 0;

    for (const [file, expectedHash] of Object.entries(checksums)) {
      total++;
      // scripts/ 前缀文件从 CLAUDE_ROOT 解析，其余从 hooksDir 解析
      const filePath = file.startsWith('scripts/') ? path.join(CLAUDE_ROOT, file) : path.join(hooksDir, file);
      if (!fs.existsSync(filePath)) continue;
      const content = fs.readFileSync(filePath);
      const actualHash = crypto.createHash('sha256').update(content).digest('hex');
      if (actualHash === expectedHash) match++;
    }

    // 读取 stats-compiled.json 的 designDecisions，识别有意未注册的备用钩子
    let designNote = '';
    try {
      const statsFile = path.join(CLAUDE_ROOT, 'stats-compiled.json');
      if (fs.existsSync(statsFile)) {
        const stats = JSON.parse(fs.readFileSync(statsFile, 'utf8'));
        const dd = stats.designDecisions || {};
        if (dd.unregisteredHooksIntentional && (stats.unregisteredHooks || []).length > 0) {
          designNote = `, ${stats.unregisteredHooks.length} 备用钩子 (有意未注册)`;
        }
      }
    } catch { /* stats 不可用时静默回退 */ }

    // 检测 settings.json 注册的钩子文件是否实际存在
    let missingHookFiles = 0;
    let hookFileNotes = [];
    try {
      const settingsPath = path.join(CLAUDE_ROOT, 'settings.json');
      if (fs.existsSync(settingsPath)) {
        const settings = JSON.parse(fs.readFileSync(settingsPath, 'utf8'));
        const hooksConfig = settings.hooks || {};
        const checkedPaths = new Set(); // 去重，同一路径只检查一次

        // 遍历所有 hook 事件类型（UserPromptSubmit, PreToolUse 等）
        for (const eventHookGroups of Object.values(hooksConfig)) {
          if (!Array.isArray(eventHookGroups)) continue;
          for (const group of eventHookGroups) {
            const hookList = group.hooks || [];
            for (const hook of hookList) {
              if (hook.type !== 'command' || !hook.command) continue;

              // 从 command 字段提取文件路径（格式: "node path/to/file.js [args]"）
              const cmdParts = hook.command.split(/\s+/);
              // 跳过 "node"，找到 .js 文件路径
              const jsFile = cmdParts.find((p, i) => i > 0 && p.endsWith('.js'));
              if (!jsFile) continue;

              // 清理路径：移除可能的引号包裹
              const cleanPath = jsFile.replace(/^["']|["']$/g, '');
              if (checkedPaths.has(cleanPath)) continue;
              checkedPaths.add(cleanPath);

              // 解析为绝对路径
              const absPath = path.isAbsolute(cleanPath)
                ? cleanPath
                : path.join(CLAUDE_ROOT, cleanPath);

              if (!fs.existsSync(absPath)) {
                // 检查是否存在 .disabled 版本
                const disabledPath = absPath + '.disabled';
                if (fs.existsSync(disabledPath)) {
                  hookFileNotes.push(`${path.basename(absPath)} 已 .disabled`);
                } else {
                  missingHookFiles++;
                  hookFileNotes.push(`settings.json 注册了 ${path.basename(absPath)} 但文件不存在`);
                }
              }
            }
          }
        }
      }
    } catch { /* settings.json 读取异常时 fail-open，不影响其他维度 */ }

    // 将 hookFileNotes 追加到详情
    const hookFileDetail = hookFileNotes.length > 0 ? `, ${hookFileNotes.join('; ')}` : '';

    // 综合评分：checksums 匹配度 + 缺失钩子文件扣分（每缺失一个扣 5 分）
    const checksumScore = total > 0 ? Math.round(match / total * 100) : 100;
    const hookFilePenalty = missingHookFiles * 5;
    const finalScore = Math.max(0, Math.min(checksumScore, 100) - hookFilePenalty);

    if (match === total && missingHookFiles === 0) {
      addDimension('H4', '钩子完整性', finalScore, 'PASS', `${total}/${total} 校验通过${designNote}${hookFileDetail}`);
    } else if (match === total && missingHookFiles > 0) {
      addDimension('H4', '钩子完整性', finalScore, 'WARN', `${total}/${total} 校验通过, ${missingHookFiles} 个注册钩子文件缺失${designNote}${hookFileDetail}`);
    } else {
      addDimension('H4', '钩子完整性', Math.max(0, finalScore),
        'FAIL', `${match}/${total} 校验通过, ${total - match} 个不匹配${missingHookFiles > 0 ? `, ${missingHookFiles} 个注册钩子文件缺失` : ''}${designNote}${hookFileDetail}`);
    }
  } catch (e) {
    addDimension('H4', '钩子完整性', 50, 'WARN', e.message);
  }
}

// H5: 技能索引新鲜度
function checkSkillIndex() {
  const indexFile = path.join(CLAUDE_ROOT, 'skills-index.json');
  if (!fs.existsSync(indexFile)) {
    addDimension('H5', '技能索引', 50, 'WARN', '索引文件不存在');
    return;
  }

  try {
    const index = JSON.parse(fs.readFileSync(indexFile, 'utf8'));
    const skillsDir = path.join(CLAUDE_ROOT, 'skills');
    const actualCount = fs.readdirSync(skillsDir)
      .filter(d => fs.existsSync(path.join(skillsDir, d, 'SKILL.md'))).length;

    if (index.skillCount === actualCount) {
      addDimension('H5', '技能索引', 100, 'PASS', `${actualCount} 技能已索引`);
    } else {
      addDimension('H5', '技能索引', 70, 'WARN',
        `索引 ${index.skillCount} vs 实际 ${actualCount}`);
    }
  } catch {
    addDimension('H5', '技能索引', 60, 'WARN', '索引解析失败');
  }
}

// H6: 规则缓存
function checkRulesCache() {
  const compiled = path.join(CLAUDE_ROOT, 'hooks', 'rules', 'rules-compiled.json');
  if (!fs.existsSync(compiled)) {
    addDimension('H6', '规则缓存', 70, 'INFO', '无预编译缓存 (性能未优化)');
    return;
  }

  try {
    const cache = JSON.parse(fs.readFileSync(compiled, 'utf8'));
    const rulesDir = path.join(CLAUDE_ROOT, 'hooks', 'rules');
    let stale = false;

    for (const [file, meta] of Object.entries(cache.sources || {})) {
      const filePath = path.join(rulesDir, file);
      if (!fs.existsSync(filePath)) { stale = true; break; }
      const stat = fs.statSync(filePath);
      if (Math.abs(stat.mtimeMs - meta.mtime) > 1000) { stale = true; break; }
    }

    if (stale) {
      addDimension('H6', '规则缓存', 60, 'WARN', '缓存已过期 (运行 compile-rules.js)');
    } else {
      const totalPatterns = Object.values(cache.rules || {}).reduce((s, r) => s + r.length, 0);
      addDimension('H6', '规则缓存', 100, 'PASS', `${totalPatterns} 条规则已缓存`);
    }
  } catch {
    addDimension('H6', '规则缓存', 60, 'WARN', '缓存解析失败');
  }
}

// H7: 路由准确率 (v5.0, P2 加固: 检测 feedback 文件缺失 + weights 过期)
function checkRouteAccuracy() {
  const feedbackFile = path.join(CLAUDE_ROOT, 'debug', 'route-feedback.jsonl');
  const weightsFile = path.join(CLAUDE_ROOT, 'debug', 'route-weights.json');

  if (!fs.existsSync(feedbackFile)) {
    // P2: 如果 weights 存在但 feedback 缺失，说明学习闭环断裂
    if (fs.existsSync(weightsFile)) {
      try {
        const w = JSON.parse(fs.readFileSync(weightsFile, 'utf8'));
        const genDate = w.generated ? new Date(w.generated) : null;
        const daysSince = genDate ? Math.floor((Date.now() - genDate.getTime()) / 86400000) : -1;
        addDimension('H7', '路由准确率', 50, 'WARN',
          `学习闭环断裂: route-feedback.jsonl 缺失，权重固化于 ${daysSince >= 0 ? daysSince + ' 天前' : '未知时间'} (${w.feedbackCount || 0} 条历史反馈)`);
      } catch {
        addDimension('H7', '路由准确率', 50, 'WARN', '学习闭环断裂: feedback 文件缺失');
      }
    } else {
      addDimension('H7', '路由准确率', 80, 'INFO', '无反馈数据 (尚未收集)');
    }
    return;
  }

  try {
    const lines = fs.readFileSync(feedbackFile, 'utf8').trim().split('\n');
    const entries = lines.map(l => { try { return JSON.parse(l); } catch { return null; } }).filter(Boolean);

    if (entries.length === 0) {
      addDimension('H7', '路由准确率', 80, 'INFO', '无反馈数据');
      return;
    }

    const corrections = entries.filter(f => f.routedTo !== f.correctedTo && f.routedTo !== 'unknown');
    const total = entries.filter(f => f.routedTo !== 'unknown').length;
    const accuracy = total > 0 ? (total - corrections.length) / total : 1;
    const pct = Math.round(accuracy * 100);

    if (pct >= 90) {
      addDimension('H7', '路由准确率', 100, 'PASS', `${pct}% (${total} 条反馈)`);
    } else if (pct >= 70) {
      addDimension('H7', '路由准确率', pct, 'WARN', `${pct}% (${corrections.length}/${total} 纠正)`);
    } else {
      addDimension('H7', '路由准确率', Math.max(30, pct), 'FAIL', `${pct}% 准确率过低`);
    }
  } catch {
    addDimension('H7', '路由准确率', 70, 'INFO', '数据解析失败');
  }
}

// H8: 学习收敛趋势 (v5.0, P2 加固: 权重过期检测)
function checkLearningConvergence() {
  const weightsFile = path.join(CLAUDE_ROOT, 'debug', 'route-weights.json');
  if (!fs.existsSync(weightsFile)) {
    addDimension('H8', '学习收敛', 70, 'INFO', '权重文件不存在 (未学习)');
    return;
  }

  try {
    const data = JSON.parse(fs.readFileSync(weightsFile, 'utf8'));

    // P2: 权重过期检测 — 超过 7 天未更新则降级
    const genDate = data.generated ? new Date(data.generated) : null;
    const daysSince = genDate ? Math.floor((Date.now() - genDate.getTime()) / 86400000) : -1;
    if (daysSince > 7) {
      addDimension('H8', '学习收敛', 60, 'WARN',
        `权重已过期: ${daysSince} 天未更新 (generated: ${data.generated || '未知'})`);
      return;
    }

    const deltas = data.deltas || {};
    const skillCount = Object.keys(deltas).length;

    if (skillCount === 0) {
      addDimension('H8', '学习收敛', 90, 'PASS', '无权重偏移 (稳定)');
      return;
    }

    // 分析权重偏移幅度
    let totalAbsDelta = 0;
    let totalEntries = 0;
    let maxAbsDelta = 0;

    for (const skillDeltas of Object.values(deltas)) {
      for (const delta of Object.values(skillDeltas)) {
        totalAbsDelta += Math.abs(delta);
        totalEntries++;
        maxAbsDelta = Math.max(maxAbsDelta, Math.abs(delta));
      }
    }

    const avgDelta = totalEntries > 0 ? totalAbsDelta / totalEntries : 0;

    // 收敛判断: 平均偏移越小越好
    if (avgDelta < 0.1 && maxAbsDelta < 0.3) {
      addDimension('H8', '学习收敛', 100, 'PASS',
        `已收敛 (avg=${avgDelta.toFixed(3)}, max=${maxAbsDelta.toFixed(3)})`);
    } else if (avgDelta < 0.2) {
      addDimension('H8', '学习收敛', 80, 'INFO',
        `趋于收敛 (avg=${avgDelta.toFixed(3)}, ${totalEntries} 调整)`);
    } else {
      addDimension('H8', '学习收敛', 60, 'WARN',
        `偏移较大 (avg=${avgDelta.toFixed(3)}, max=${maxAbsDelta.toFixed(3)})`);
    }
  } catch {
    addDimension('H8', '学习收敛', 70, 'INFO', '权重文件解析失败');
  }
}

// H9: 路由合规率 (v5.2)
function checkRouteCompliance() {
  try {
    const complianceAnalyzer = require('./compliance-analyzer.js');
    const entries = complianceAnalyzer.loadComplianceLogs(7);
    const metrics = complianceAnalyzer.computeComplianceRate(entries);

    if (metrics.total === 0) {
      addDimension('H9', '路由合规率', 80, 'INFO', '无合规数据 (尚未收集)');
      return;
    }

    const pct = Math.round(metrics.rate * 100);
    if (pct >= 95) {
      addDimension('H9', '路由合规率', 100, 'PASS', `${pct}% (${metrics.total} 条决策)`);
    } else if (pct >= 80) {
      addDimension('H9', '路由合规率', pct, 'WARN', `${pct}% (${metrics.violated} 违规)`);
    } else {
      addDimension('H9', '路由合规率', Math.max(30, pct), 'FAIL', `${pct}% 合规率过低`);
    }
  } catch {
    addDimension('H9', '路由合规率', 70, 'INFO', '合规分析器不可用');
  }
}

// H10: Hook有效性 (v5.4 Phase 2)
function checkHookEffectiveness() {
  const aggFile = path.join(CLAUDE_ROOT, 'debug', 'outcome-aggregation.json');
  if (!fs.existsSync(aggFile)) {
    addDimension('H10', 'Hook有效性', 80, 'INFO', '无聚合数据 (尚未收集)');
    return;
  }

  try {
    const agg = JSON.parse(fs.readFileSync(aggFile, 'utf8'));
    const commands = Object.keys(agg);
    if (commands.length === 0) {
      addDimension('H10', 'Hook有效性', 80, 'INFO', '无构建记录');
      return;
    }

    // 计算总体构建成功率 (unknown 不计入有效样本)
    let totalBuilds = 0, totalSuccess = 0, totalUnknown = 0;
    for (const cmd of commands) {
      const entry = agg[cmd];
      totalBuilds += entry.total || 0;
      totalSuccess += entry.success || 0;
      totalUnknown += entry.unknown || 0;
    }

    if (totalBuilds === 0) {
      addDimension('H10', 'Hook有效性', 80, 'INFO', '无构建记录');
      return;
    }

    // 有效样本 = 总数 - unknown; 全部 unknown 时报 INFO 而非 FAIL
    const effective = totalBuilds - totalUnknown;
    if (effective === 0) {
      addDimension('H10', 'Hook有效性', 80, 'INFO',
        `${totalBuilds} 次构建均无法判定结果 (outcome tracker 未捕获退出码)`);
      return;
    }

    const successRate = totalSuccess / effective;
    const pct = Math.round(successRate * 100);

    if (successRate >= 0.8) {
      addDimension('H10', 'Hook有效性', 100, 'PASS', `构建成功率 ${pct}% (${totalSuccess}/${effective}, ${totalUnknown} unknown)`);
    } else if (successRate >= 0.6) {
      addDimension('H10', 'Hook有效性', 75, 'WARN', `构建成功率 ${pct}% (${totalSuccess}/${effective})`);
    } else {
      addDimension('H10', 'Hook有效性', Math.max(40, pct), 'FAIL', `构建成功率 ${pct}% (${totalSuccess}/${effective})`);
    }
  } catch {
    addDimension('H10', 'Hook有效性', 80, 'INFO', '聚合数据解析失败');
  }
}



// H11: 宪法覆盖率 (v6.0)
function checkConstitutionCoverage() {
  // 检查全局宪法副本存在性
  const globalConstitution = path.join(CLAUDE_ROOT, 'constitution', 'AI-CONSTITUTION.md');
  const globalTemplate = path.join(CLAUDE_ROOT, 'constitution', 'TEMPLATE-CONSTITUTION.md');
  const claudeMd = path.join(CLAUDE_ROOT, 'CLAUDE.md');

  if (!fs.existsSync(globalConstitution)) {
    addDimension('H11', '宪法覆盖', 30, 'FAIL', '全局宪法文件缺失 (~/.claude/constitution/AI-CONSTITUTION.md)');
    return;
  }

  let score = 60; // 基线: 全局宪法存在
  const details = [];

  // 检查全局 CLAUDE.md 包含交付质量宪章
  try {
    const claudeContent = (() => { try { return fs.readFileSync(claudeMd, 'utf8'); } catch { return ''; } })();
    if (claudeContent.includes('交付质量宪章')) {
      score += 15;
      details.push('全局宪章已集成');
    } else {
      details.push('全局 CLAUDE.md 缺少交付质量宪章');
    }
    if (claudeContent.includes('项目宪法协议')) {
      score += 10;
    }
  } catch {}

  // 检查宪法模板存在
  if (fs.existsSync(globalTemplate)) {
    score += 5;
  }

  // 检查 constitution-guard hook 存在且启用
  try {
    const ff = JSON.parse((() => { try { return fs.readFileSync(path.join(CLAUDE_ROOT, 'feature-flags.json'), 'utf8'); } catch { return '{}'; } })());
    if (ff.features && ff.features['constitution-guard'] && ff.features['constitution-guard'].enabled) {
      score += 10;
      details.push('guard hook 已启用');
    } else {
      details.push('guard hook 未启用');
    }
  } catch {}

  score = Math.min(100, score);
  const status = score >= 90 ? 'PASS' : score >= 70 ? 'INFO' : 'WARN';
  addDimension('H11', '宪法覆盖', score, status, details.join(', ') || '宪法体系已部署');
}

// H12: Browserbase MCP 健康 (v6.5)
function checkBrowserbaseMcp() {
  const wrapperPath = path.join(CLAUDE_ROOT, 'scripts', 'browserbase-mcp-wrapper.js');
  const patchScript = path.join(CLAUDE_ROOT, 'mcp-servers', 'browserbase', 'postinstall-patch.js');
  const bootstrapPath = path.join(CLAUDE_ROOT, 'scripts', 'undici-proxy-bootstrap.js');
  const agentJs = path.join(CLAUDE_ROOT, 'mcp-servers', 'browserbase',
    'node_modules', '@browserbasehq', 'mcp-server-browserbase', 'dist', 'tools', 'agent.js');
  const stagehandIndex = path.join(CLAUDE_ROOT, 'mcp-servers', 'browserbase',
    'node_modules', '@browserbasehq', 'stagehand', 'dist', 'index.js');

  let score = 0;
  const issues = [];
  const passes = [];

  // 1. Wrapper 脚本存在性
  if (fs.existsSync(wrapperPath)) {
    score += 20;
    passes.push('wrapper');
  } else {
    issues.push('wrapper 缺失');
  }

  // 2. Proxy bootstrap 存在性
  if (fs.existsSync(bootstrapPath)) {
    score += 10;
    passes.push('bootstrap');
  } else {
    issues.push('proxy-bootstrap 缺失');
  }

  // 3. node_modules 安装状态
  if (fs.existsSync(agentJs)) {
    score += 15;
    passes.push('npm-installed');
  } else {
    issues.push('node_modules 未安装');
  }

  // 4. agent.js patch 状态 ([PATCHED] 标记)
  if (fs.existsSync(agentJs)) {
    try {
      const content = fs.readFileSync(agentJs, 'utf8');
      if (content.includes('[PATCHED]')) {
        score += 20;
        passes.push('agent-patched');
      } else {
        issues.push('agent.js 未 patch (Gemini CUA 不可用)');
      }
    } catch {
      issues.push('agent.js 读取失败');
    }
  }

  // 5. Stagehand model map patch 状态
  if (fs.existsSync(stagehandIndex)) {
    try {
      const content = fs.readFileSync(stagehandIndex, 'utf8');
      if (content.includes('claude-sonnet-4-6') || content.includes('claude-opus-4-6')) {
        score += 15;
        passes.push('model-map-patched');
      } else {
        issues.push('Stagehand model map 未 patch');
      }
    } catch {
      issues.push('Stagehand index.js 读取失败');
    }
  }

  // 6. postinstall 脚本存在（npm install 后自动修复能力）
  if (fs.existsSync(patchScript)) {
    score += 10;
    passes.push('postinstall');
  } else {
    issues.push('postinstall-patch.js 缺失 (npm install 后 patch 不会自动恢复)');
  }

  // 7. .claude.json 环境变量检查 (BROWSERBASE_API_KEY + PROJECT_ID)
  try {
    const claudeJsonPath = path.join(process.env.USERPROFILE || process.env.HOME || '', '.claude.json');
    if (fs.existsSync(claudeJsonPath)) {
      const claudeJson = JSON.parse(fs.readFileSync(claudeJsonPath, 'utf8'));
      const bbEnv = claudeJson?.mcpServers?.browserbase?.env || {};
      if (bbEnv.BROWSERBASE_API_KEY && bbEnv.BROWSERBASE_PROJECT_ID) {
        score += 10;
        passes.push('env-keys');
      } else {
        issues.push('API Key 或 Project ID 未配置');
      }
    }
  } catch {}

  // 8. 用量查询 (可选, 网络不通时跳过)
  let usageNote = '';
  let sessionNote = '';
  try {
    const claudeJsonPath = path.join(process.env.USERPROFILE || process.env.HOME || '', '.claude.json');
    const claudeJson = JSON.parse(fs.readFileSync(claudeJsonPath, 'utf8'));
    const bbEnv = claudeJson?.mcpServers?.browserbase?.env || {};
    const apiKey = bbEnv.BROWSERBASE_API_KEY;
    const projectId = bbEnv.BROWSERBASE_PROJECT_ID;
    const proxy = bbEnv.https_proxy || bbEnv.http_proxy || '';

    if (apiKey && projectId) {
      const { execFileSync: execF } = require('child_process');

      // 用量查询
      const curlArgs = ['-s', '-m', '5', '-H', `x-bb-api-key: ${apiKey}`,
        `https://api.browserbase.com/v1/projects/${projectId}/usage`];
      if (proxy) curlArgs.unshift('-x', proxy);
      const usageResult = execF('curl', curlArgs, {
        encoding: 'utf8', timeout: 8000, stdio: ['pipe', 'pipe', 'pipe'],
      }).trim();
      const usage = JSON.parse(usageResult);
      const minutes = usage.browserMinutes || 0;
      const proxyMB = Math.round((usage.proxyBytes || 0) / 1024 / 1024);
      usageNote = `, 用量: ${minutes}min/${proxyMB}MB`;

      // 缓存用量到文件 (供周报使用)
      const usageCacheFile = path.join(CLAUDE_ROOT, 'debug', 'browserbase-usage.json');
      fs.writeFileSync(usageCacheFile, JSON.stringify({
        ts: new Date().toISOString(), browserMinutes: minutes, proxyMB,
      }, null, 2));

      // Session 泄漏检测
      const sessArgs = ['-s', '-m', '5', '-H', `x-bb-api-key: ${apiKey}`,
        `https://api.browserbase.com/v1/sessions?status=RUNNING&limit=50`];
      if (proxy) sessArgs.unshift('-x', proxy);
      const sessResult = execF('curl', sessArgs, {
        encoding: 'utf8', timeout: 8000, stdio: ['pipe', 'pipe', 'pipe'],
      }).trim();
      const sessData = JSON.parse(sessResult);
      const runningSessions = Array.isArray(sessData) ? sessData : (sessData?.sessions || []);
      const staleCount = runningSessions.filter(s => {
        const created = new Date(s.createdAt || s.created_at || 0).getTime();
        return (Date.now() - created) > 30 * 60 * 1000;
      }).length;

      if (staleCount > 0) {
        issues.push(`${staleCount} 个泄漏 session (>30min)`);
        sessionNote = `, 泄漏: ${staleCount}`;
      } else {
        sessionNote = `, session: ${runningSessions.length} running`;
      }

      // 缓存 session 状态
      const sessCacheFile = path.join(CLAUDE_ROOT, 'debug', 'browserbase-sessions.json');
      fs.writeFileSync(sessCacheFile, JSON.stringify({
        ts: new Date().toISOString(),
        running: runningSessions.length,
        stale: staleCount,
      }, null, 2));
    }
  } catch {
    // 网络不通或 API 异常时静默跳过，不影响评分
  }

  // 评分与状态
  score = Math.min(100, score);
  const detail = issues.length > 0
    ? `${passes.length}/7 通过, 问题: ${issues.join('; ')}${usageNote}${sessionNote}`
    : `${passes.length}/7 全部通过${usageNote}${sessionNote}`;
  const status = score >= 90 ? 'PASS' : score >= 60 ? 'WARN' : 'FAIL';
  addDimension('H12', 'Browserbase', score, status, detail);
}

// === v5.1: 权重自优化 ===
const WEIGHT_HISTORY_FILE = path.join(CLAUDE_ROOT, 'debug', 'health-weight-history.json');

/**
 * 基于瓶颈维度频率自动调整 H1-H8 权重
 * @param {Object} currentWeights - 当前权重
 * @returns {Object} 调整后的权重
 */
function autoTuneWeights(currentWeights) {
  let history = [];
  try {
    if (fs.existsSync(WEIGHT_HISTORY_FILE)) {
      history = JSON.parse(fs.readFileSync(WEIGHT_HISTORY_FILE, 'utf8'));
    }
  } catch {}

  // 记录当前评分到历史
  const currentRecord = {
    ts: new Date().toISOString(),
    dimensions: dimensions.map(d => ({ id: d.id, score: d.score, status: d.status })),
  };
  history.push(currentRecord);

  // 仅保留最近 30 条
  if (history.length > 30) history = history.slice(-30);

  // 保存历史
  try {
    const dir = path.dirname(WEIGHT_HISTORY_FILE);
    if (!fs.existsSync(dir)) fs.mkdirSync(dir, { recursive: true });
    fs.writeFileSync(WEIGHT_HISTORY_FILE, JSON.stringify(history, null, 2) + '\n');
  } catch {}

  // 需要至少 5 条历史才做调整
  if (history.length < 5) return currentWeights;

  // Phase 1+2: 差异化阈值 — 不同维度组使用不同的瓶颈判定标准
  const BOTTLENECK_THRESHOLDS = {
    H1: 85, H4: 85, H6: 85,  // 配置类：应更灵敏
    H7: 75, H9: 75,          // 准确率类：波动正常
    H3: 80,                   // 磁盘类：宽松
    H2: 70, H5: 70, H8: 70,  // 其余：保持默认
    H10: 70,                  // Hook有效性：保持默认
  };

  // Phase 1: 告警抑制 — 24 小时内同维度低分不重复告警
  const now = new Date();
  const suppressWindow = 24 * 60 * 60 * 1000; // 24h in ms
  const recentAlerts = {};
  for (const record of history) {
    const recordTs = new Date(record.ts);
    if (now - recordTs < suppressWindow) {
      for (const d of (record.dimensions || [])) {
        const threshold = BOTTLENECK_THRESHOLDS[d.id] || 70;
        if (d.score < threshold) {
          recentAlerts[d.id] = true;
        }
      }
    }
  }

  // 统计各维度低分频率 (使用差异化阈值)
  const bottleneckFreq = {};
  for (const record of history) {
    for (const d of (record.dimensions || [])) {
      const threshold = BOTTLENECK_THRESHOLDS[d.id] || 70;
      if (d.score < threshold) {
        bottleneckFreq[d.id] = (bottleneckFreq[d.id] || 0) + 1;
      }
    }
  }

  // 频繁瓶颈维度提升权重, 稳定维度降低权重
  const adjusted = { ...currentWeights };
  const totalRecords = history.length;

  for (const id of Object.keys(adjusted)) {
    const freq = (bottleneckFreq[id] || 0) / totalRecords;
    if (freq > 0.5) {
      // 经常是瓶颈: 提升权重 (+3)
      adjusted[id] = Math.min(25, adjusted[id] + 3);
    } else if (freq === 0) {
      // 从不是瓶颈: 降低权重 (-2)
      adjusted[id] = Math.max(5, adjusted[id] - 2);
    }
  }

  // Phase 1: 计算被抑制的告警
  const alertsSuppressed = [];
  for (const d of dimensions) {
    const threshold = BOTTLENECK_THRESHOLDS[d.id] || 70;
    if (d.score < threshold && recentAlerts[d.id]) {
      alertsSuppressed.push(d.id);
    }
  }

  adjusted._alertsSuppressed = alertsSuppressed;
  return adjusted;
}

// === Phase 1: 告警分级 ===
/**
 * 根据偏离程度分级告警
 * @param {Object} dim - 维度 { id, score, status }
 * @param {number} threshold - 该维度的瓶颈阈值
 * @returns {'NORMAL'|'ALERT'|'AUTO-REPAIR'}
 */
function classifyAlert(dim, threshold) {
  if (dim.score >= threshold) return 'NORMAL';
  const deviation = threshold - dim.score;
  const deviationPct = deviation / threshold;
  if (deviationPct > 0.10) return 'AUTO-REPAIR'; // >10% 偏离
  return 'ALERT';                                 // 5-10% 偏离
}

// === Phase 3: 自动修复引擎 (D4) ===
const REMEDIATION_MAP = {
  H1: { label: '配置验证修复', script: 'scripts/config-validator.js', args: '--fix' },
  H3: { label: '磁盘清理', script: 'scripts/auto-cleanup.js', args: '--execute' },
  H4: { label: '完整性修复', script: 'hooks/integrity-check.js', args: '--generate' },
  H5: { label: '技能索引重建', script: 'scripts/generate-skill-index.js', args: '--quiet' },
  H6: { label: '规则缓存重建', script: 'scripts/compile-rules.js', args: '' },
};

const REMEDIATION_LOG_FILE = path.join(CLAUDE_ROOT, 'debug', 'remediation-log.jsonl');

/**
 * 记录修复操作
 * @param {Object} entry - 修复记录
 */
function logRemediation(entry) {
  try {
    const debugDir = path.join(CLAUDE_ROOT, 'debug');
    if (!fs.existsSync(debugDir)) fs.mkdirSync(debugDir, { recursive: true });
    fs.appendFileSync(REMEDIATION_LOG_FILE, JSON.stringify(entry) + '\n');
  } catch {}
}

/**
 * 修复后重跑该维度检查函数，确认分数提升
 * @param {string} dimensionId - 维度 ID (H3|H4|H6)
 * @returns {{ improved: boolean, newScore: number }|null}
 */
function verifyRemediation(dimensionId) {
  try {
    const checkFns = { H3: checkDisk, H4: checkIntegrity, H6: checkRulesCache };
    const fn = checkFns[dimensionId];
    if (!fn) return null;

    // 保存当前 dimensions，运行单维度检查
    const savedDimensions = [...dimensions];
    const idx = dimensions.findIndex(d => d.id === dimensionId);
    const oldScore = idx >= 0 ? dimensions[idx].score : 0;

    // 移除旧维度，重新检查
    if (idx >= 0) dimensions.splice(idx, 1);
    fn();
    const newDim = dimensions.find(d => d.id === dimensionId);
    const newScore = newDim ? newDim.score : oldScore;

    // 恢复 (保留新检查结果)
    return { improved: newScore > oldScore, newScore };
  } catch {
    return null;
  }
}

/**
 * 对 AUTO-REPAIR 级别维度执行自动修复
 * @param {Array} gradedDimensions - 带 alertLevel 的维度列表
 * @returns {Array} 修复结果数组
 */
function autoRemediate(gradedDimensions) {
  const results = [];
  for (const d of gradedDimensions) {
    if (d.alertLevel !== 'AUTO-REPAIR' || d.suppressed) continue;
    const remedy = REMEDIATION_MAP[d.id];
    if (!remedy) continue;

    const entry = {
      ts: new Date().toISOString(),
      dimensionId: d.id,
      dimensionName: d.name,
      action: remedy.label,
      script: remedy.script,
      scoreBefore: d.score,
    };

    try {
      const scriptResult = runScript(remedy.script, remedy.args);
      entry.success = scriptResult.ok;
      entry.output = (scriptResult.output || '').slice(0, 200);
      if (!scriptResult.ok) entry.error = (scriptResult.error || '').slice(0, 200);

      // 验证修复效果
      if (scriptResult.ok) {
        const verification = verifyRemediation(d.id);
        if (verification) {
          entry.scoreAfter = verification.newScore;
          entry.improved = verification.improved;
        }
      }
    } catch (e) {
      entry.success = false;
      entry.error = (e.message || '').slice(0, 200);
    }

    logRemediation(entry);
    results.push(entry);
  }
  return results;
}

// === 主流程 ===
function main() {
  checkConfig();
  checkBehavior();
  checkDisk();
  checkIntegrity();
  checkSkillIndex();
  checkRulesCache();
  checkRouteAccuracy();
  checkLearningConvergence();
  checkRouteCompliance();
  checkHookEffectiveness();
  checkConstitutionCoverage();
  checkBrowserbaseMcp();

  // v6.5: 默认权重 + 自优化 (H12 Browserbase 加入)
  let weights = { H1: 10, H2: 10, H3: 8, H4: 10, H5: 8, H6: 8, H7: 10, H8: 8, H9: 8, H10: 8, H11: 7, H12: 5 };
  weights = autoTuneWeights(weights);

  let totalWeight = 0, weightedSum = 0;
  for (const d of dimensions) {
    const w = weights[d.id] || 10;
    totalWeight += w;
    weightedSum += d.score * w;
  }
  const overallScore = Math.round(weightedSum / totalWeight);

  let overallStatus = 'HEALTHY';
  if (overallScore < 60) overallStatus = 'CRITICAL';
  else if (overallScore < 80) overallStatus = 'DEGRADED';

  // Phase 1: 告警分级与抑制
  const alertsSuppressed = weights._alertsSuppressed || [];
  delete weights._alertsSuppressed;

  const BOTTLENECK_THRESHOLDS = {
    H1: 85, H4: 85, H6: 85,
    H7: 75, H9: 75,
    H3: 80,
    H2: 70, H5: 70, H8: 70,
    H10: 70,
    H12: 70,
  };

  // 为每个维度附加告警级别
  const gradedDimensions = dimensions.map(d => {
    const threshold = BOTTLENECK_THRESHOLDS[d.id] || 70;
    const alertLevel = classifyAlert(d, threshold);
    const suppressed = alertsSuppressed.includes(d.id);
    return { ...d, alertLevel, suppressed };
  });

  // Phase 3: 自动修复 (D4)
  const remediations = autoRemediate(gradedDimensions);

  const report = {
    ts: new Date().toISOString(),
    overallScore,
    overallStatus,
    dimensions: gradedDimensions,
    alertsSuppressed,
    remediations,
  };

  if (JSON_MODE) {
    console.log(JSON.stringify(report, null, 2));
    return;
  }

  // 文本输出
  const statusIcon = { PASS: '+', WARN: '~', FAIL: 'X', INFO: 'i' };
  console.log('=== Bookworm Health Check ===');
  console.log(`Overall: ${overallScore}/100 (${overallStatus})`);
  console.log('');

  for (const d of gradedDimensions) {
    const icon = statusIcon[d.status] || '?';
    const alertTag = d.alertLevel !== 'NORMAL' ? ` [${d.alertLevel}]` : '';
    const suppressTag = d.suppressed ? ' (suppressed)' : '';
    console.log(`  [${icon}] ${d.id} ${d.name.padEnd(12)} ${String(d.score).padStart(3)}/100  ${d.detail}${alertTag}${suppressTag}`);
  }

  if (alertsSuppressed.length > 0) {
    console.log(`\n  (${alertsSuppressed.length} alert(s) suppressed — same dimension alerted within 24h)`);
  }

  // Phase 3: Auto-Remediation 输出
  if (remediations.length > 0) {
    console.log('\n--- Auto-Remediation ---');
    for (const r of remediations) {
      const icon = r.success ? '+' : 'X';
      const scoreChange = r.scoreAfter !== undefined ? ` (${r.scoreBefore} → ${r.scoreAfter})` : '';
      console.log(`  [${icon}] ${r.dimensionId} ${r.action}${scoreChange}`);
    }
  }

  console.log('');
  if (overallStatus === 'HEALTHY') {
    console.log('System is healthy. No action required.');
  } else {
    const issues = gradedDimensions.filter(d => d.alertLevel === 'AUTO-REPAIR' && !d.suppressed);
    const alerts = gradedDimensions.filter(d => d.alertLevel === 'ALERT' && !d.suppressed);
    if (issues.length > 0) {
      console.log(`Action needed: ${issues.length} dimension(s) require auto-repair.`);
    }
    if (alerts.length > 0) {
      console.log(`Alert: ${alerts.length} dimension(s) slightly below threshold (monitor only).`);
    }
    if (issues.length === 0 && alerts.length === 0) {
      console.log('All alerts suppressed (already reported within 24h).');
    }
  }
}

// 导出核心函数供测试使用
if (typeof module !== 'undefined') {
  module.exports = {
    addDimension, checkConfig, checkBehavior, checkDisk, checkIntegrity,
    checkSkillIndex, checkRulesCache, checkRouteAccuracy, checkLearningConvergence,
    checkRouteCompliance, checkHookEffectiveness, checkConstitutionCoverage,
    checkBrowserbaseMcp, autoTuneWeights, classifyAlert,
    autoRemediate, logRemediation, verifyRemediation,
    get dimensions() { return dimensions; }, resetDimensions,
  };
}

if (require.main === module) {
  main();
}