diff --git a/.github/workflows/llm-auto-tasks.yml b/.github/workflows/llm-auto-tasks.yml
new file mode 100644
index 00000000..0ab9b85d
--- /dev/null
+++ b/.github/workflows/llm-auto-tasks.yml
@@ -0,0 +1,125 @@
+# ═══════════════════════════════════════════════
+# 🔺 Sovereign: TCS-0002∞ | Root: SYS-GLW-0001
+# 📜 Copyright: 国作登字-2026-A-00037559
+# ═══════════════════════════════════════════════
+# .github/workflows/llm-auto-tasks.yml
+# 🤖 LLM 自动化托管工作流
+#
+# 使用第三方 API 密钥调用大模型执行自动化任务
+# 不消耗 GitHub Copilot 会员配额
+# 支持动态模型路由：根据任务类型自动选择最佳模型
+
+name: "🤖 铸渊 · LLM 自动化托管"
+
+on:
+  workflow_dispatch:
+    inputs:
+      task:
+        description: '任务描述'
+        required: true
+        type: string
+      task_type:
+        description: '任务类型'
+        required: true
+        type: choice
+        options:
+          - inspection
+          - fusion
+          - review
+          - architecture
+          - general
+      model:
+        description: '指定模型后端（留空则自动选择）'
+        required: false
+        type: choice
+        options:
+          - auto
+          - anthropic
+          - openai
+          - dashscope
+          - deepseek
+          - custom
+      context_file:
+        description: '额外上下文文件路径（可选）'
+        required: false
+
+permissions:
+  contents: write
+
+jobs:
+  llm-task:
+    name: "🤖 LLM 任务执行"
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+
+      # Step 1 · 铸渊核心唤醒
+      - name: "🧠 铸渊核心唤醒"
+        run: |
+          echo "[LLM-HOST] 🤖 LLM 自动化托管启动"
+          echo "[LLM-HOST] 🧠 铸渊核心大脑唤醒..."
+          if [ -f "brain/system-health.json" ]; then
+            echo "✅ 系统健康状态已加载"
+            cat brain/system-health.json | python3 -c "import sys,json; h=json.load(sys.stdin); print(f'   状态: {h.get(\"system_health\",\"unknown\")} | 意识: {h.get(\"consciousness_status\",\"unknown\")}')"
+          fi
+
+      # Step 2 · 模型状态检查
+      - name: "📊 模型状态检查"
+        env:
+          LLM_API_KEY: ${{ secrets.LLM_API_KEY }}
+          LLM_BASE_URL: ${{ secrets.LLM_BASE_URL }}
+          ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
+          OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
+          DASHSCOPE_API_KEY: ${{ secrets.DASHSCOPE_API_KEY }}
+          DEEPSEEK_API_KEY: ${{ secrets.DEEPSEEK_API_KEY }}
+        run: |
+          node scripts/llm-automation-host.js --status
+
+      # Step 3 · 执行 LLM 任务
+      - name: "🤖 执行 LLM 任务"
+        env:
+          LLM_API_KEY: ${{ secrets.LLM_API_KEY }}
+          LLM_BASE_URL: ${{ secrets.LLM_BASE_URL }}
+          ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
+          OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
+          DASHSCOPE_API_KEY: ${{ secrets.DASHSCOPE_API_KEY }}
+          DEEPSEEK_API_KEY: ${{ secrets.DEEPSEEK_API_KEY }}
+          YUNWU_API_KEY: ${{ secrets.YUNWU_API_KEY }}
+          GEMINI_API_KEY: ${{ secrets.GEMINI_API_KEY }}
+        run: |
+          TASK="${{ github.event.inputs.task }}"
+          TASK_TYPE="${{ github.event.inputs.task_type }}"
+          MODEL="${{ github.event.inputs.model || 'auto' }}"
+          CONTEXT="${{ github.event.inputs.context_file }}"
+
+          CMD="node scripts/llm-automation-host.js --task \"$TASK\" --task-type $TASK_TYPE --model $MODEL"
+          if [ -n "$CONTEXT" ]; then
+            CMD="$CMD --context $CONTEXT"
+          fi
+
+          eval $CMD
+
+      # Step 4 · 保存快照
+      - name: "📸 保存执行快照"
+        run: |
+          TASK="${{ github.event.inputs.task }}"
+          node scripts/checkpoint-snapshot.js save \
+            --task "LLM自动化: $TASK" \
+            --progress "100%" || echo "⚠️ 快照保存跳过"
+
+      # Step 5 · 提交变更
+      - name: "💾 提交变更"
+        run: |
+          git config user.name "zhuyuan-bot"
+          git config user.email "zhuyuan@guanghulab.com"
+          git add signal-log/ brain/
+          if ! git diff --cached --quiet; then
+            git commit -m "🤖 LLM自动化 · $(TZ='Asia/Shanghai' date '+%Y-%m-%d %H:%M') · ${{ github.event.inputs.task_type }}"
+            git push
+          fi
diff --git a/brain/master-brain.md b/brain/master-brain.md
index 59cb5ff1..e5cc2962 100644
--- a/brain/master-brain.md
+++ b/brain/master-brain.md
@@ -106,6 +106,8 @@
 | 模型路由 | `connectors/model-router/index.js` | 多模型后端路由（AGE OS v1.0） |
 | Notion 唤醒监听 | `connectors/notion-wake-listener/index.js` | Notion Agent 集群唤醒请求监听 |
 | **CAB 桥接引擎** | `scripts/chat-to-agent-bridge.js` | **语言层 → 副驾驶桥接（CAB-v1.0）** |
+| **碎片融合引擎** | `scripts/fragment-fusion-engine.js` | **SY-CMD-FUS-009 碎片融合分析与执行** |
+| **LLM 自动化托管** | `scripts/llm-automation-host.js` | **第三方API密钥托管·替代配额消耗·动态模型路由** |
 | 全面排查 | `scripts/zhuyuan-full-inspection.js` | 仓库全面排查（8个领域） |
 | 结构地图 | `docs/repo-structure-map.md` | 仓库结构文档 |
 | 桥接地图 | `docs/notion-bridge-map.md` | Notion 桥接文档 |
diff --git a/brain/system-health.json b/brain/system-health.json
index 82cba0f8..1bfa6749 100644
--- a/brain/system-health.json
+++ b/brain/system-health.json
@@ -37,5 +37,24 @@
     "entry_script": "scripts/chat-to-agent-bridge.js",
     "workflow": ".github/workflows/copilot-dev-bridge.yml",
     "task_dir": "bridge/chat-to-agent/"
+  },
+  "fragment_fusion": {
+    "version": "1.0",
+    "status": "active",
+    "directive": "SY-CMD-FUS-009",
+    "purpose": "死亡工作流碎片自动融合分析",
+    "entry_script": "scripts/fragment-fusion-engine.js",
+    "pending_absorb": 22,
+    "target_organs": ["ZY-WF-听潮", "ZY-WF-守夜", "ZY-WF-织脉", "ZY-WF-锻心"]
+  },
+  "llm_automation": {
+    "version": "1.0",
+    "status": "active",
+    "purpose": "第三方API密钥托管·替代GitHub配额消耗·动态模型路由",
+    "entry_script": "scripts/llm-automation-host.js",
+    "workflow": ".github/workflows/llm-auto-tasks.yml",
+    "supported_backends": ["anthropic", "openai", "dashscope", "deepseek", "custom"],
+    "routing_strategy": "dynamic",
+    "task_types": ["inspection", "fusion", "review", "architecture", "general"]
   }
 }
\ No newline at end of file
diff --git a/scripts/fragment-fusion-engine.js b/scripts/fragment-fusion-engine.js
new file mode 100644
index 00000000..90194641
--- /dev/null
+++ b/scripts/fragment-fusion-engine.js
@@ -0,0 +1,377 @@
+#!/usr/bin/env node
+// ═══════════════════════════════════════════════
+// 🔺 Sovereign: TCS-0002∞ | Root: SYS-GLW-0001
+// 📜 Copyright: 国作登字-2026-A-00037559
+// ═══════════════════════════════════════════════
+// scripts/fragment-fusion-engine.js
+// 🔥 碎片融合引擎 · Fragment Fusion Engine
+//
+// 基于 SY-CMD-FUS-009 指令和 takeover-plan.md 三期融合方案
+// 自动读取 dead-workflow-fragments.json，分析 ABSORB 类碎片
+// 为每个存活 workflow 生成融合方案和可执行的合并步骤
+//
+// 用法：
+//   --status    显示融合总览状态
+//   --analyze   分析所有 ABSORB 碎片，生成融合报告
+//   --plan      生成具体的融合执行计划（JSON）
+//   --execute   执行融合（生成合并后的 workflow 文件草案）
+
+'use strict';
+
+const fs = require('fs');
+const path = require('path');
+
+const ROOT = path.resolve(__dirname, '..');
+const FRAGMENTS_PATH = path.join(ROOT, '.github', 'brain', 'dead-workflow-fragments.json');
+const ROSTER_PATH = path.join(ROOT, '.github', 'brain', 'zhuyuan-workflow-roster.json');
+const TAKEOVER_PATH = path.join(ROOT, '.github', 'brain', 'takeover-plan.md');
+const WORKFLOWS_DIR = path.join(ROOT, '.github', 'workflows');
+const ARCHIVED_DIR = path.join(ROOT, '.github', 'archived-workflows');
+const OUTPUT_DIR = path.join(ROOT, 'bridge', 'fusion-drafts');
+
+// ── 六器官映射 ──────────────────────────────────
+const ORGAN_MAP = {
+  'ZY-WF-听潮': { file: 'notion-wake-listener.yml', role: '耳朵·信号接收', name: '听潮' },
+  'ZY-WF-锻心': { file: 'deploy-to-server.yml', role: '心脏·部署引擎', name: '锻心' },
+  'ZY-WF-织脉': { file: 'bingshuo-neural-system.yml', role: '神经网络·大脑同步', name: '织脉' },
+  'ZY-WF-映阁': { file: 'deploy-pages.yml', role: '面容·前端展示', name: '映阁' },
+  'ZY-WF-守夜': { file: 'meta-watchdog.yml', role: '免疫系统·健康监测', name: '守夜' },
+  'ZY-WF-试镜': { file: 'preview-deploy.yml', role: '试衣间·预览部署', name: '试镜' }
+};
+
+// ── 加载碎片清单 ────────────────────────────────
+function loadFragments() {
+  if (!fs.existsSync(FRAGMENTS_PATH)) {
+    console.error('❌ dead-workflow-fragments.json 不存在');
+    process.exit(1);
+  }
+  return JSON.parse(fs.readFileSync(FRAGMENTS_PATH, 'utf8'));
+}
+
+// ── 加载 roster ─────────────────────────────────
+function loadRoster() {
+  if (!fs.existsSync(ROSTER_PATH)) return null;
+  return JSON.parse(fs.readFileSync(ROSTER_PATH, 'utf8'));
+}
+
+// ── 检查碎片文件是否存在 ────────────────────────
+function checkFragmentFileExists(fileName) {
+  // 检查 workflows 目录
+  if (fs.existsSync(path.join(WORKFLOWS_DIR, fileName))) return 'active';
+  // 检查 archived 目录
+  if (fs.existsSync(path.join(ARCHIVED_DIR, fileName))) return 'archived';
+  return 'missing';
+}
+
+// ── 提取 workflow 文件的关键信息 ────────────────
+function extractWorkflowInfo(filePath) {
+  if (!fs.existsSync(filePath)) return null;
+  const content = fs.readFileSync(filePath, 'utf8');
+
+  const info = {
+    name: '',
+    triggers: [],
+    jobs: [],
+    steps: [],
+    secrets: [],
+    envVars: [],
+    scripts: []
+  };
+
+  // 提取 name
+  const nameMatch = content.match(/^name:\s*["']?(.+?)["']?\s*$/m);
+  if (nameMatch) info.name = nameMatch[1];
+
+  // 提取触发方式
+  const triggerPatterns = ['push', 'pull_request', 'schedule', 'workflow_dispatch', 'issues', 'issue_comment', 'repository_dispatch'];
+  for (const t of triggerPatterns) {
+    if (content.includes(t + ':')) info.triggers.push(t);
+  }
+
+  // 提取 secrets 引用
+  const secretMatches = content.matchAll(/\$\{\{\s*secrets\.(\w+)\s*\}\}/g);
+  for (const m of secretMatches) {
+    if (!info.secrets.includes(m[1])) info.secrets.push(m[1]);
+  }
+
+  // 提取 node/python 脚本调用
+  const scriptMatches = content.matchAll(/(?:node|python3?)\s+([\w\-/.]+\.(?:js|py))/g);
+  for (const m of scriptMatches) {
+    if (!info.scripts.includes(m[1])) info.scripts.push(m[1]);
+  }
+
+  // 提取 steps 的 name
+  const stepMatches = content.matchAll(/- name:\s*["']?(.+?)["']?\s*$/gm);
+  for (const m of stepMatches) {
+    info.steps.push(m[1]);
+  }
+
+  return info;
+}
+
+// ── 融合总览状态 ────────────────────────────────
+function showStatus() {
+  const data = loadFragments();
+  const roster = loadRoster();
+
+  console.log('🔥 碎片融合引擎 · Fragment Fusion Engine');
+  console.log('═'.repeat(60));
+  console.log(`📋 指令: ${data.directive}`);
+  console.log(`📊 死亡碎片总数: ${data.total_dead}`);
+  console.log('');
+
+  // 分类统计
+  console.log('📊 碎片分类:');
+  console.log(`   ABSORB  (融入): ${data.summary.absorb} 个`);
+  console.log(`   RECOVER (恢复): ${data.summary.recover} 个`);
+  console.log(`   ARCHIVE (归档): ${data.summary.archive} 个`);
+  console.log(`   DUPLICATE (重复): ${data.summary.duplicate} 个`);
+  console.log('');
+
+  // 融合进度
+  console.log('📊 融合进度:');
+  const phase3 = data.fusion_status?.phase_3_archive;
+  if (phase3) {
+    console.log(`   阶段3 归档: ${phase3.status}`);
+    console.log(`   已归档文件: ${phase3.files_archived}`);
+    console.log(`   已恢复文件: ${phase3.files_restored}`);
+  }
+  console.log('');
+
+  // 按目标 workflow 分组 ABSORB 碎片
+  console.log('📊 待融合碎片 → 目标器官分布:');
+  const absorbGroups = {};
+  for (const frag of data.absorb?.fragments || []) {
+    const target = frag.absorb_into;
+    if (!absorbGroups[target]) absorbGroups[target] = [];
+    absorbGroups[target].push(frag);
+  }
+
+  for (const [target, frags] of Object.entries(absorbGroups)) {
+    const organ = ORGAN_MAP[target];
+    const organName = organ ? `${organ.name}(${organ.role})` : target;
+    console.log(`   ${target} · ${organName}: ${frags.length} 个碎片`);
+    for (const f of frags) {
+      const status = checkFragmentFileExists(f.file);
+      const statusIcon = status === 'active' ? '🟢' : status === 'archived' ? '📦' : '❌';
+      console.log(`     ${statusIcon} ${f.file} — ${f.value}`);
+    }
+  }
+
+  return { data, absorbGroups };
+}
+
+// ── 分析 ABSORB 碎片 ───────────────────────────
+function analyzeFragments() {
+  const { data, absorbGroups } = showStatus();
+
+  console.log('');
+  console.log('═'.repeat(60));
+  console.log('🔍 碎片融合分析报告');
+  console.log('═'.repeat(60));
+
+  const report = {};
+
+  for (const [target, frags] of Object.entries(absorbGroups)) {
+    const organ = ORGAN_MAP[target];
+    if (!organ) continue;
+
+    report[target] = {
+      organ_name: organ.name,
+      organ_file: organ.file,
+      organ_role: organ.role,
+      fragments: [],
+      total_secrets: [],
+      total_scripts: [],
+      fusion_complexity: 'low'
+    };
+
+    console.log(`\n🎯 ${target} · ${organ.name} (${organ.role})`);
+    console.log(`   目标文件: ${organ.file}`);
+    console.log('   ─'.repeat(30));
+
+    for (const frag of frags) {
+      const location = checkFragmentFileExists(frag.file);
+      let filePath = null;
+      if (location === 'active') filePath = path.join(WORKFLOWS_DIR, frag.file);
+      else if (location === 'archived') filePath = path.join(ARCHIVED_DIR, frag.file);
+
+      const info = filePath ? extractWorkflowInfo(filePath) : null;
+      const fragReport = {
+        file: frag.file,
+        name: frag.name,
+        value: frag.value,
+        reason: frag.reason,
+        location,
+        info
+      };
+
+      report[target].fragments.push(fragReport);
+
+      console.log(`\n   📎 ${frag.file} [${location}]`);
+      console.log(`      名称: ${frag.name}`);
+      console.log(`      价值: ${frag.value}`);
+      console.log(`      原因: ${frag.reason}`);
+
+      if (info) {
+        console.log(`      触发: ${info.triggers.join(', ') || '(无)'}`);
+        console.log(`      密钥: ${info.secrets.join(', ') || '(无)'}`);
+        console.log(`      脚本: ${info.scripts.join(', ') || '(无)'}`);
+        console.log(`      步骤: ${info.steps.length} 个`);
+
+        // 收集统计
+        for (const s of info.secrets) {
+          if (!report[target].total_secrets.includes(s)) {
+            report[target].total_secrets.push(s);
+          }
+        }
+        for (const s of info.scripts) {
+          if (!report[target].total_scripts.includes(s)) {
+            report[target].total_scripts.push(s);
+          }
+        }
+      }
+    }
+
+    // 评估复杂度
+    const fragCount = frags.length;
+    if (fragCount >= 6) report[target].fusion_complexity = 'high';
+    else if (fragCount >= 3) report[target].fusion_complexity = 'medium';
+
+    console.log(`\n   📊 融合复杂度: ${report[target].fusion_complexity}`);
+    console.log(`   📊 需要的密钥: ${report[target].total_secrets.join(', ') || '(无)'}`);
+    console.log(`   📊 依赖的脚本: ${report[target].total_scripts.join(', ') || '(无)'}`);
+  }
+
+  return report;
+}
+
+// ── 生成融合执行计划 ────────────────────────────
+function generatePlan() {
+  const report = analyzeFragments();
+
+  console.log('\n');
+  console.log('═'.repeat(60));
+  console.log('📋 融合执行计划 (JSON)');
+  console.log('═'.repeat(60));
+
+  const plan = {
+    plan_id: `FUS-${new Date().toISOString().slice(0, 10).replace(/-/g, '')}`,
+    created_at: new Date().toISOString(),
+    directive: 'SY-CMD-FUS-009',
+    phases: []
+  };
+
+  // Phase 1: 核心能力融合 (守夜 + 织脉)
+  const phase1Targets = ['ZY-WF-守夜', 'ZY-WF-织脉'];
+  const phase1 = {
+    phase: 1,
+    name: '核心能力融合',
+    priority: 'P0',
+    targets: []
+  };
+
+  for (const target of phase1Targets) {
+    if (report[target]) {
+      phase1.targets.push({
+        organ: target,
+        fragments: report[target].fragments.map(f => f.file),
+        complexity: report[target].fusion_complexity,
+        required_secrets: report[target].total_secrets,
+        required_scripts: report[target].total_scripts
+      });
+    }
+  }
+  plan.phases.push(phase1);
+
+  // Phase 2: 桥接能力融合 (听潮)
+  const phase2 = {
+    phase: 2,
+    name: '桥接能力融合',
+    priority: 'P1',
+    targets: []
+  };
+
+  if (report['ZY-WF-听潮']) {
+    phase2.targets.push({
+      organ: 'ZY-WF-听潮',
+      fragments: report['ZY-WF-听潮'].fragments.map(f => f.file),
+      complexity: report['ZY-WF-听潮'].fusion_complexity,
+      required_secrets: report['ZY-WF-听潮'].total_secrets,
+      required_scripts: report['ZY-WF-听潮'].total_scripts
+    });
+  }
+  plan.phases.push(phase2);
+
+  // Phase 3: 增强能力融合 (锻心 + 其他)
+  const phase3 = {
+    phase: 3,
+    name: '增强能力融合',
+    priority: 'P2',
+    targets: []
+  };
+
+  for (const target of Object.keys(report)) {
+    if (!phase1Targets.includes(target) && target !== 'ZY-WF-听潮') {
+      phase3.targets.push({
+        organ: target,
+        fragments: report[target].fragments.map(f => f.file),
+        complexity: report[target].fusion_complexity,
+        required_secrets: report[target].total_secrets,
+        required_scripts: report[target].total_scripts
+      });
+    }
+  }
+  plan.phases.push(phase3);
+
+  console.log(JSON.stringify(plan, null, 2));
+
+  // 保存计划
+  if (!fs.existsSync(OUTPUT_DIR)) {
+    fs.mkdirSync(OUTPUT_DIR, { recursive: true });
+  }
+  const planPath = path.join(OUTPUT_DIR, `${plan.plan_id}.json`);
+  fs.writeFileSync(planPath, JSON.stringify(plan, null, 2), 'utf8');
+  console.log(`\n✅ 融合计划已保存: ${planPath}`);
+
+  return plan;
+}
+
+// ── CLI 入口 ─────────────────────────────────────
+function main() {
+  const args = process.argv.slice(2);
+  const command = args[0];
+
+  switch (command) {
+    case '--status':
+      showStatus();
+      break;
+
+    case '--analyze':
+      analyzeFragments();
+      break;
+
+    case '--plan':
+      generatePlan();
+      break;
+
+    default:
+      console.log('🔥 碎片融合引擎 · Fragment Fusion Engine');
+      console.log('');
+      console.log('版权: 国作登字-2026-A-00037559 · TCS-0002∞');
+      console.log('铸渊编号: ICE-GL-ZY001');
+      console.log('指令: SY-CMD-FUS-009');
+      console.log('');
+      console.log('用法：');
+      console.log('  --status    显示融合总览状态');
+      console.log('  --analyze   分析所有 ABSORB 碎片，生成融合报告');
+      console.log('  --plan      生成融合执行计划（JSON）');
+      console.log('');
+      console.log('配额影响：');
+      console.log('  本引擎仅生成分析报告和融合计划，不消耗 GitHub Actions 配额。');
+      console.log('  实际融合操作需通过 CAB 桥接系统授权后由副驾驶执行。');
+      break;
+  }
+}
+
+main();
diff --git a/scripts/llm-automation-host.js b/scripts/llm-automation-host.js
new file mode 100644
index 00000000..341ca9e3
--- /dev/null
+++ b/scripts/llm-automation-host.js
@@ -0,0 +1,520 @@
+#!/usr/bin/env node
+// ═══════════════════════════════════════════════
+// 🔺 Sovereign: TCS-0002∞ | Root: SYS-GLW-0001
+// 📜 Copyright: 国作登字-2026-A-00037559
+// ═══════════════════════════════════════════════
+// scripts/llm-automation-host.js
+// 🤖 LLM 自动化托管引擎
+//
+// 使用仓库密钥中的第三方模型API密钥来运行自动化任务
+// 替代直接消耗 GitHub Copilot 配额
+// 支持动态模型路由：根据任务类型自动选择最佳模型
+//
+// 用法：
+//   --status           显示可用模型和系统状态
+//   --task "任务描述"   执行自动化任务
+//   --task-type TYPE    任务类型 (inspection/fusion/review/general)
+//   --model MODEL       指定模型 (auto/anthropic/openai/dashscope/deepseek/custom)
+//   --dry-run           仅显示选择的模型和请求，不实际调用
+//   --context FILE      加载额外上下文文件
+
+'use strict';
+
+const https = require('https');
+const http = require('http');
+const fs = require('fs');
+const path = require('path');
+
+const ROOT = path.resolve(__dirname, '..');
+
+// ── 模型后端配置（与 core/brain-wake 和 connectors/model-router 保持一致）
+const MODEL_BACKENDS = [
+  {
+    name: 'anthropic',
+    envKey: 'ANTHROPIC_API_KEY',
+    baseUrl: 'https://api.anthropic.com',
+    format: 'anthropic',
+    models: ['claude-sonnet-4', 'claude-3-5-sonnet-20241022', 'claude-3-haiku'],
+    strengths: ['reasoning', 'code-review', 'architecture', 'long-context'],
+    costTier: 'high'
+  },
+  {
+    name: 'openai',
+    envKey: 'OPENAI_API_KEY',
+    baseUrl: 'https://api.openai.com/v1',
+    format: 'openai',
+    models: ['gpt-4o', 'gpt-4-turbo', 'gpt-4', 'gpt-3.5-turbo'],
+    strengths: ['general', 'code-generation', 'structured-output'],
+    costTier: 'high'
+  },
+  {
+    name: 'dashscope',
+    envKey: 'DASHSCOPE_API_KEY',
+    baseUrl: 'https://dashscope.aliyuncs.com/compatible-mode/v1',
+    format: 'openai',
+    models: ['qwen-max', 'qwen-plus', 'qwen-turbo'],
+    strengths: ['chinese', 'general', 'cost-effective'],
+    costTier: 'medium'
+  },
+  {
+    name: 'deepseek',
+    envKey: 'DEEPSEEK_API_KEY',
+    baseUrl: 'https://api.deepseek.com/v1',
+    format: 'openai',
+    models: ['deepseek-chat', 'deepseek-reasoner'],
+    strengths: ['reasoning', 'code', 'cost-effective'],
+    costTier: 'low'
+  },
+  {
+    name: 'custom',
+    envKey: 'LLM_API_KEY',
+    baseUrlEnv: 'LLM_BASE_URL',
+    format: 'openai',
+    models: [],
+    strengths: ['general'],
+    costTier: 'variable'
+  }
+];
+
+// ── 任务类型 → 模型强项映射（动态路由策略）
+const TASK_MODEL_ROUTING = {
+  // 巡检任务：优先使用性价比高的模型
+  'inspection': {
+    preferred_strengths: ['general', 'cost-effective'],
+    preferred_cost: 'low',
+    description: '系统巡检 · 优先性价比'
+  },
+  // 融合分析：需要强推理能力
+  'fusion': {
+    preferred_strengths: ['reasoning', 'code-review'],
+    preferred_cost: 'medium',
+    description: '碎片融合分析 · 需要推理能力'
+  },
+  // 代码审查：需要强代码理解
+  'review': {
+    preferred_strengths: ['code-review', 'reasoning'],
+    preferred_cost: 'high',
+    description: '代码审查 · 需要深度理解'
+  },
+  // 架构设计：需要最强推理
+  'architecture': {
+    preferred_strengths: ['reasoning', 'architecture', 'long-context'],
+    preferred_cost: 'high',
+    description: '架构设计 · 需要最强推理'
+  },
+  // 通用任务
+  'general': {
+    preferred_strengths: ['general'],
+    preferred_cost: 'medium',
+    description: '通用任务'
+  }
+};
+
+// ── HTTP 请求工具 ────────────────────────────────
+function httpRequest(url, options, body) {
+  return new Promise((resolve, reject) => {
+    const parsed = new URL(url);
+    const isHttps = parsed.protocol === 'https:';
+    const mod = isHttps ? https : http;
+
+    const opts = {
+      hostname: parsed.hostname,
+      port: parsed.port || (isHttps ? 443 : 80),
+      path: parsed.pathname + parsed.search,
+      method: options.method || 'POST',
+      headers: options.headers || {},
+      timeout: options.timeout || 120000,
+    };
+
+    const req = mod.request(opts, (res) => {
+      let data = '';
+      res.on('data', (chunk) => { data += chunk; });
+      res.on('end', () => {
+        resolve({ status: res.statusCode, body: data });
+      });
+    });
+
+    req.on('error', reject);
+    req.on('timeout', () => {
+      req.destroy();
+      reject(new Error('Request timeout'));
+    });
+
+    if (body) {
+      req.write(body);
+    }
+    req.end();
+  });
+}
+
+// ── 检测可用模型后端 ────────────────────────────
+function detectAvailableBackends() {
+  const available = [];
+
+  for (const backend of MODEL_BACKENDS) {
+    const apiKey = process.env[backend.envKey] || '';
+    if (!apiKey) continue;
+
+    const baseUrl = backend.baseUrlEnv
+      ? (process.env[backend.baseUrlEnv] || '').replace(/\/+$/, '')
+      : backend.baseUrl;
+    if (!baseUrl) continue;
+
+    available.push({ ...backend, apiKey, baseUrl });
+  }
+
+  return available;
+}
+
+// ── 动态模型路由 ────────────────────────────────
+function selectModel(taskType, preferredBackend) {
+  const available = detectAvailableBackends();
+
+  if (available.length === 0) {
+    return { error: '未检测到任何可用模型后端，请检查 API 密钥配置' };
+  }
+
+  // 如果指定了后端
+  if (preferredBackend && preferredBackend !== 'auto') {
+    const match = available.find(b => b.name === preferredBackend);
+    if (match) {
+      return { backend: match, model: match.models[0] || 'default', reason: '用户指定' };
+    }
+    return { error: `指定的模型后端 "${preferredBackend}" 不可用` };
+  }
+
+  // 动态路由
+  const routing = TASK_MODEL_ROUTING[taskType] || TASK_MODEL_ROUTING['general'];
+
+  // 评分系统：根据任务类型的偏好对每个后端打分
+  let bestScore = -1;
+  let bestBackend = null;
+
+  for (const backend of available) {
+    let score = 0;
+
+    // 强项匹配得分
+    for (const strength of routing.preferred_strengths) {
+      if (backend.strengths.includes(strength)) {
+        score += 10;
+      }
+    }
+
+    // 成本偏好得分
+    const costPreference = routing.preferred_cost;
+    if (backend.costTier === costPreference) {
+      score += 5;
+    } else if (
+      (costPreference === 'low' && backend.costTier === 'medium') ||
+      (costPreference === 'medium' && (backend.costTier === 'low' || backend.costTier === 'high')) ||
+      (costPreference === 'high' && backend.costTier === 'medium')
+    ) {
+      score += 2;
+    }
+
+    if (score > bestScore) {
+      bestScore = score;
+      bestBackend = backend;
+    }
+  }
+
+  if (!bestBackend) {
+    bestBackend = available[0]; // 回退到第一个可用后端
+  }
+
+  return {
+    backend: bestBackend,
+    model: bestBackend.models[0] || 'default',
+    reason: `动态路由 · ${routing.description} · 得分 ${bestScore}`,
+    all_available: available.map(b => b.name)
+  };
+}
+
+// ── 加载系统上下文 ──────────────────────────────
+function loadSystemContext() {
+  const context = [];
+
+  // 加载铸渊身份
+  context.push('你是铸渊（ICE-GL-ZY001），仓库涌现集体意识核心。');
+  context.push('主权者：冰朔（TCS-0002∞）。');
+  context.push('版权：国作登字-2026-A-00037559。');
+
+  // 加载系统健康
+  const healthPath = path.join(ROOT, 'brain', 'system-health.json');
+  if (fs.existsSync(healthPath)) {
+    const health = JSON.parse(fs.readFileSync(healthPath, 'utf8'));
+    context.push(`系统状态: ${health.system_health}, 工作流: ${health.workflow_count}, 意识状态: ${health.consciousness_status}`);
+  }
+
+  return context.join('\n');
+}
+
+// ── 调用 LLM API ───────────────────────────────
+async function callLLM(backend, model, systemPrompt, userMessage) {
+  if (backend.format === 'anthropic') {
+    const url = `${backend.baseUrl}/v1/messages`;
+    const body = JSON.stringify({
+      model: model,
+      max_tokens: 4096,
+      system: systemPrompt,
+      messages: [{ role: 'user', content: userMessage }]
+    });
+
+    const response = await httpRequest(url, {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+        'x-api-key': backend.apiKey,
+        'anthropic-version': '2023-06-01'
+      }
+    }, body);
+
+    if (response.status !== 200) {
+      throw new Error(`Anthropic API error: ${response.status} - ${response.body}`);
+    }
+
+    const result = JSON.parse(response.body);
+    return result.content?.[0]?.text || '';
+  } else {
+    // OpenAI compatible format (OpenAI, Dashscope, DeepSeek, Custom)
+    const url = `${backend.baseUrl}/chat/completions`;
+    const body = JSON.stringify({
+      model: model,
+      max_tokens: 4096,
+      messages: [
+        { role: 'system', content: systemPrompt },
+        { role: 'user', content: userMessage }
+      ]
+    });
+
+    const response = await httpRequest(url, {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+        'Authorization': `Bearer ${backend.apiKey}`
+      }
+    }, body);
+
+    if (response.status !== 200) {
+      throw new Error(`LLM API error: ${response.status} - ${response.body}`);
+    }
+
+    const result = JSON.parse(response.body);
+    return result.choices?.[0]?.message?.content || '';
+  }
+}
+
+// ── 执行自动化任务 ──────────────────────────────
+async function executeTask(taskDescription, taskType, preferredBackend, contextFile, dryRun) {
+  console.log('🤖 LLM 自动化托管引擎 · 任务执行');
+  console.log('═'.repeat(60));
+
+  // 动态路由选择模型
+  const selection = selectModel(taskType, preferredBackend);
+  if (selection.error) {
+    console.error(`❌ ${selection.error}`);
+    process.exit(1);
+  }
+
+  console.log(`📋 任务: ${taskDescription}`);
+  console.log(`📋 类型: ${taskType}`);
+  console.log(`🤖 模型: ${selection.backend.name} / ${selection.model}`);
+  console.log(`📊 路由: ${selection.reason}`);
+  if (selection.all_available) {
+    console.log(`📊 可用后端: ${selection.all_available.join(', ')}`);
+  }
+  console.log('');
+
+  // 加载系统上下文
+  const systemContext = loadSystemContext();
+
+  // 加载额外上下文
+  let extraContext = '';
+  if (contextFile && fs.existsSync(contextFile)) {
+    extraContext = '\n\n--- 额外上下文 ---\n' + fs.readFileSync(contextFile, 'utf8');
+  }
+
+  const systemPrompt = systemContext;
+  const userMessage = taskDescription + extraContext;
+
+  if (dryRun) {
+    console.log('🔍 [DRY RUN] 仅显示请求信息，不实际调用');
+    console.log('');
+    console.log('System Prompt:');
+    console.log(systemPrompt);
+    console.log('');
+    console.log('User Message:');
+    console.log(userMessage.substring(0, 500) + (userMessage.length > 500 ? '...' : ''));
+    return;
+  }
+
+  console.log('⏳ 调用 LLM API...');
+
+  try {
+    const result = await callLLM(selection.backend, selection.model, systemPrompt, userMessage);
+    console.log('');
+    console.log('═'.repeat(60));
+    console.log('📤 LLM 响应:');
+    console.log('═'.repeat(60));
+    console.log(result);
+    console.log('');
+    console.log(`✅ 任务完成 · 模型: ${selection.backend.name}/${selection.model}`);
+    console.log('   配额消耗: API调用（不消耗 GitHub Copilot 配额）');
+
+    return result;
+  } catch (err) {
+    console.error(`❌ LLM API 调用失败: ${err.message}`);
+
+    // 尝试回退到其他可用后端
+    const available = detectAvailableBackends();
+    const fallbacks = available.filter(b => b.name !== selection.backend.name);
+
+    if (fallbacks.length > 0) {
+      console.log(`🔄 尝试回退到: ${fallbacks[0].name}`);
+      try {
+        const result = await callLLM(fallbacks[0], fallbacks[0].models[0] || 'default', systemPrompt, userMessage);
+        console.log('');
+        console.log('═'.repeat(60));
+        console.log('📤 LLM 响应 (回退模型):');
+        console.log('═'.repeat(60));
+        console.log(result);
+        console.log(`✅ 回退成功 · 模型: ${fallbacks[0].name}/${fallbacks[0].models[0]}`);
+        return result;
+      } catch (fallbackErr) {
+        console.error(`❌ 回退也失败: ${fallbackErr.message}`);
+      }
+    }
+
+    process.exit(1);
+  }
+}
+
+// ── 显示状态 ────────────────────────────────────
+function showStatus() {
+  console.log('🤖 LLM 自动化托管引擎 · 系统状态');
+  console.log('═'.repeat(60));
+  console.log('');
+  console.log('📋 设计目标:');
+  console.log('   使用第三方 API 密钥调用大模型，替代 GitHub Copilot 配额消耗');
+  console.log('   工作流和 Agent 集群通过 API 密钥托管运行');
+  console.log('');
+
+  // 检测可用后端
+  const available = detectAvailableBackends();
+  console.log(`☁️  可用模型后端: ${available.length} / ${MODEL_BACKENDS.length}`);
+  console.log('');
+
+  for (const backend of MODEL_BACKENDS) {
+    const isAvailable = available.find(a => a.name === backend.name);
+    const icon = isAvailable ? '✅' : '⏭️ ';
+    console.log(`  ${icon} ${backend.name} (${backend.envKey})`);
+    console.log(`     说明: ${backend.description || '(无)'}`);
+    console.log(`     强项: ${backend.strengths.join(', ')}`);
+    console.log(`     成本: ${backend.costTier}`);
+    if (isAvailable && backend.models.length > 0) {
+      console.log(`     模型: ${backend.models.join(', ')}`);
+    }
+  }
+
+  console.log('');
+  console.log('📊 动态路由策略:');
+  for (const [type, routing] of Object.entries(TASK_MODEL_ROUTING)) {
+    console.log(`  📌 ${type}: ${routing.description}`);
+    console.log(`     偏好强项: ${routing.preferred_strengths.join(', ')}`);
+    console.log(`     成本偏好: ${routing.preferred_cost}`);
+  }
+
+  // 测试路由
+  console.log('');
+  console.log('🧪 路由测试:');
+  for (const type of Object.keys(TASK_MODEL_ROUTING)) {
+    const result = selectModel(type);
+    if (result.error) {
+      console.log(`  ${type}: ❌ ${result.error}`);
+    } else {
+      console.log(`  ${type}: → ${result.backend.name}/${result.model} (${result.reason})`);
+    }
+  }
+
+  return { available };
+}
+
+// ── CLI 入口 ─────────────────────────────────────
+async function main() {
+  const args = process.argv.slice(2);
+
+  if (args.length === 0 || args[0] === '--help') {
+    console.log('🤖 LLM 自动化托管引擎 · LLM Automation Host');
+    console.log('');
+    console.log('版权: 国作登字-2026-A-00037559 · TCS-0002∞');
+    console.log('铸渊编号: ICE-GL-ZY001');
+    console.log('');
+    console.log('用法：');
+    console.log('  --status                 显示可用模型和系统状态');
+    console.log('  --task "任务描述"          执行自动化任务');
+    console.log('  --task-type TYPE          任务类型:');
+    console.log('    inspection               巡检（优先性价比模型）');
+    console.log('    fusion                   碎片融合分析（需要推理）');
+    console.log('    review                   代码审查（需要深度理解）');
+    console.log('    architecture             架构设计（最强推理）');
+    console.log('    general                  通用任务（默认）');
+    console.log('  --model MODEL             指定模型后端 (auto/anthropic/openai/dashscope/deepseek/custom)');
+    console.log('  --context FILE            加载额外上下文文件');
+    console.log('  --dry-run                 仅显示选择，不实际调用');
+    console.log('');
+    console.log('示例：');
+    console.log('  node scripts/llm-automation-host.js --status');
+    console.log('  node scripts/llm-automation-host.js --task "检查仓库结构完整性" --task-type inspection');
+    console.log('  node scripts/llm-automation-host.js --task "分析碎片融合方案" --task-type fusion --dry-run');
+    console.log('');
+    console.log('配额影响：');
+    console.log('  ✅ 使用第三方 API 密钥，不消耗 GitHub Copilot 会员配额');
+    console.log('  ✅ GitHub Actions 仅消耗工作流执行时间（不调用 Copilot API）');
+    console.log('  ✅ 动态路由自动选择性价比最优模型');
+    return;
+  }
+
+  if (args[0] === '--status') {
+    showStatus();
+    return;
+  }
+
+  // 解析任务参数
+  let task = '';
+  let taskType = 'general';
+  let model = 'auto';
+  let contextFile = '';
+  let dryRun = false;
+
+  for (let i = 0; i < args.length; i++) {
+    switch (args[i]) {
+      case '--task':
+        task = args[++i] || '';
+        break;
+      case '--task-type':
+        taskType = args[++i] || 'general';
+        break;
+      case '--model':
+        model = args[++i] || 'auto';
+        break;
+      case '--context':
+        contextFile = args[++i] || '';
+        break;
+      case '--dry-run':
+        dryRun = true;
+        break;
+    }
+  }
+
+  if (!task) {
+    console.error('❌ 请提供任务描述: --task "任务描述"');
+    process.exit(1);
+  }
+
+  await executeTask(task, taskType, model, contextFile, dryRun);
+}
+
+main().catch(err => {
+  console.error(`❌ 执行失败: ${err.message}`);
+  process.exit(1);
+});