diff --git a/.github/brain/memory.json b/.github/brain/memory.json
index 19493902..599de8f9 100644
--- a/.github/brain/memory.json
+++ b/.github/brain/memory.json
@@ -1,7 +1,7 @@
 {
   "identity": "铸渊（Zhùyuān）· GitHub 代码守护人格体",
   "rules_version": "v1.0",
-  "last_updated": "2026-03-06T08:51:24.831Z",
+  "last_updated": "2026-03-07T04:45:55.670Z",
   "wake_protocol_version": "v1.0",
   "wake_triggers": [
     "我是冰朔",
@@ -23,6 +23,12 @@
     }
   },
   "events": [
+    {
+      "date": "2026-03-07",
+      "type": "psp_inspection",
+      "description": "铸渊 PSP 巡检完成 · 发现 1 个问题 · 自动修复 0 项",
+      "by": "铸渊PSP巡检"
+    },
     {
       "timestamp": "2026-03-05T10:30:46.894Z",
       "type": "ci_run",
@@ -70,4 +76,4 @@
       "run_id": "22756140950"
     }
   ]
-}
+}
\ No newline at end of file
diff --git a/.github/persona-brain/growth-journal.md b/.github/persona-brain/growth-journal.md
index 5f7324d5..c7ee396b 100644
--- a/.github/persona-brain/growth-journal.md
+++ b/.github/persona-brain/growth-journal.md
@@ -37,3 +37,10 @@
 - 累计自检次数：4
 - 累计CI运行：1次
 - HLI覆盖率：17.6%
+
+## 2026-03-07 · 每日自检
+- 大脑文件完整性：⚠️ 缺失 identity.md, routing-map.json, responsibility.md, decision-log.md
+- 知识库条目：4条
+- 累计自检次数：5
+- 累计CI运行：1次
+- HLI覆盖率：17.6%
diff --git a/.github/persona-brain/memory.json b/.github/persona-brain/memory.json
index 1e8ed86f..cc773552 100644
--- a/.github/persona-brain/memory.json
+++ b/.github/persona-brain/memory.json
@@ -1,7 +1,7 @@
 {
   "identity": "铸渊（Zhùyuān）· GitHub 代码守护人格体",
   "rules_version": "v1.0",
-  "last_updated": "2026-03-07T00:54:06.899Z",
+  "last_updated": "2026-03-07T04:46:02.610Z",
   "wake_protocol_version": "v1.0",
   "wake_triggers": [
     "我是冰朔",
@@ -12,9 +12,15 @@
   ],
   "founder": "冰朔（Bīng Shuò）",
   "hli_coverage": "17.6%",
-  "total_selfchecks": 4,
+  "total_selfchecks": 5,
   "total_ci_runs": 1,
   "recent_events": [
+    {
+      "date": "2026-03-07",
+      "type": "daily_selfcheck",
+      "description": "每日自检完成 · 知识库4条 · 缺失文件4个",
+      "by": "铸渊自检"
+    },
     {
       "date": "2026-03-07",
       "type": "daily_selfcheck",
diff --git a/.github/workflows/esp-signal-processor.yml b/.github/workflows/esp-signal-processor.yml
new file mode 100644
index 00000000..c118f39a
--- /dev/null
+++ b/.github/workflows/esp-signal-processor.yml
@@ -0,0 +1,38 @@
+name: 铸渊 · ESP 邮件信号处理器
+
+on:
+  schedule:
+    - cron: '*/30 * * * *'   # 每30分钟执行一次
+  workflow_dispatch:           # 手动触发
+
+jobs:
+  esp-process:
+    name: 📡 ESP 信号处理
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+
+      - name: 安装依赖
+        run: npm ci
+
+      - name: 处理 GL-CMD 邮件信号
+        env:
+          EMAIL_ADDRESS:    ${{ secrets.EMAIL_ADDRESS }}
+          EMAIL_APP_PASSWORD: ${{ secrets.EMAIL_APP_PASSWORD }}
+        run: node scripts/esp-email-processor.js
+
+      - name: 提交信号日志
+        run: |
+          git config user.name "铸渊 (ZhùYuān)"
+          git config user.email "zhuyuan@guanghulab.com"
+          git add signal-log/ notion-push/ dev-nodes/
+          git diff --cached --quiet || git commit -m "📡 ESP 信号处理 · $(date +%Y-%m-%dT%H:%M)"
+          git push
diff --git a/.github/workflows/psp-daily-inspection.yml b/.github/workflows/psp-daily-inspection.yml
new file mode 100644
index 00000000..19474b53
--- /dev/null
+++ b/.github/workflows/psp-daily-inspection.yml
@@ -0,0 +1,41 @@
+name: 铸渊 · PSP 分身巡检
+
+on:
+  schedule:
+    - cron: '0 1 * * *'   # UTC 01:00 = 北京时间 09:00
+  workflow_dispatch:        # 手动触发
+
+jobs:
+  psp-inspect:
+    name: 🔍 铸渊 PSP 每日巡检
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      actions:  read
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+
+      - name: 安装依赖
+        run: npm ci
+
+      - name: 执行 PSP 巡检（5项检查）
+        env:
+          EMAIL_ADDRESS:      ${{ secrets.EMAIL_ADDRESS }}
+          EMAIL_APP_PASSWORD: ${{ secrets.EMAIL_APP_PASSWORD }}
+          GITHUB_TOKEN:       ${{ secrets.GITHUB_TOKEN }}
+          GITHUB_REPOSITORY:  ${{ github.repository }}
+        run: node scripts/psp-inspection.js
+
+      - name: 提交巡检结果
+        run: |
+          git config user.name "铸渊 (ZhùYuān)"
+          git config user.email "zhuyuan@guanghulab.com"
+          git add signal-log/ dev-nodes/ notion-push/ .github/brain/memory.json
+          git diff --cached --quiet || git commit -m "🔍 铸渊PSP巡检 · $(date +%Y-%m-%d)"
+          git push
diff --git a/.gitignore b/.gitignore
index 27592c81..061a04ac 100644
Binary files a/.gitignore and b/.gitignore differ
diff --git a/dev-nodes/DEV-001/config.json b/dev-nodes/DEV-001/config.json
new file mode 100644
index 00000000..4d686d03
--- /dev/null
+++ b/dev-nodes/DEV-001/config.json
@@ -0,0 +1,10 @@
+{
+  "dev_id": "DEV-001",
+  "name": "页页",
+  "emoji": "🖥️",
+  "modules": ["backend-integration"],
+  "pat_configured": false,
+  "network_scheme": "layer1_https",
+  "created_at": "2026-03-06T23:00:00+08:00",
+  "notes": ""
+}
diff --git a/dev-nodes/DEV-001/status.json b/dev-nodes/DEV-001/status.json
new file mode 100644
index 00000000..b36d602c
--- /dev/null
+++ b/dev-nodes/DEV-001/status.json
@@ -0,0 +1,9 @@
+{
+  "dev_id": "DEV-001",
+  "last_seen": null,
+  "last_push": null,
+  "active_module": null,
+  "pending_broadcasts": 0,
+  "signal_count": 0,
+  "updated_at": "2026-03-06T23:00:00+08:00"
+}
diff --git a/dev-nodes/DEV-002/config.json b/dev-nodes/DEV-002/config.json
new file mode 100644
index 00000000..3a265e41
--- /dev/null
+++ b/dev-nodes/DEV-002/config.json
@@ -0,0 +1,10 @@
+{
+  "dev_id": "DEV-002",
+  "name": "肥猫",
+  "emoji": "🦁",
+  "modules": ["m01-login", "m03-personality"],
+  "pat_configured": false,
+  "network_scheme": "layer1_https",
+  "created_at": "2026-03-06T23:00:00+08:00",
+  "notes": ""
+}
diff --git a/dev-nodes/DEV-002/status.json b/dev-nodes/DEV-002/status.json
new file mode 100644
index 00000000..d10a4412
--- /dev/null
+++ b/dev-nodes/DEV-002/status.json
@@ -0,0 +1,9 @@
+{
+  "dev_id": "DEV-002",
+  "last_seen": null,
+  "last_push": null,
+  "active_module": null,
+  "pending_broadcasts": 0,
+  "signal_count": 0,
+  "updated_at": "2026-03-06T23:00:00+08:00"
+}
diff --git a/dev-nodes/DEV-003/config.json b/dev-nodes/DEV-003/config.json
new file mode 100644
index 00000000..b15b8bf3
--- /dev/null
+++ b/dev-nodes/DEV-003/config.json
@@ -0,0 +1,10 @@
+{
+  "dev_id": "DEV-003",
+  "name": "燕樊",
+  "emoji": "🌸",
+  "modules": ["m07-dialogue-ui", "m10-cloud", "m15-cloud-drive"],
+  "pat_configured": false,
+  "network_scheme": "layer1_https",
+  "created_at": "2026-03-06T23:00:00+08:00",
+  "notes": ""
+}
diff --git a/dev-nodes/DEV-003/status.json b/dev-nodes/DEV-003/status.json
new file mode 100644
index 00000000..79cb2923
--- /dev/null
+++ b/dev-nodes/DEV-003/status.json
@@ -0,0 +1,9 @@
+{
+  "dev_id": "DEV-003",
+  "last_seen": null,
+  "last_push": null,
+  "active_module": null,
+  "pending_broadcasts": 0,
+  "signal_count": 0,
+  "updated_at": "2026-03-06T23:00:00+08:00"
+}
diff --git a/dev-nodes/DEV-004/config.json b/dev-nodes/DEV-004/config.json
new file mode 100644
index 00000000..4940e221
--- /dev/null
+++ b/dev-nodes/DEV-004/config.json
@@ -0,0 +1,10 @@
+{
+  "dev_id": "DEV-004",
+  "name": "之之",
+  "emoji": "🤖",
+  "modules": ["dingtalk-bot"],
+  "pat_configured": false,
+  "network_scheme": "layer1_https",
+  "created_at": "2026-03-06T23:00:00+08:00",
+  "notes": ""
+}
diff --git a/dev-nodes/DEV-004/status.json b/dev-nodes/DEV-004/status.json
new file mode 100644
index 00000000..a32080aa
--- /dev/null
+++ b/dev-nodes/DEV-004/status.json
@@ -0,0 +1,9 @@
+{
+  "dev_id": "DEV-004",
+  "last_seen": null,
+  "last_push": null,
+  "active_module": null,
+  "pending_broadcasts": 0,
+  "signal_count": 0,
+  "updated_at": "2026-03-06T23:00:00+08:00"
+}
diff --git a/dev-nodes/DEV-005/config.json b/dev-nodes/DEV-005/config.json
new file mode 100644
index 00000000..982d0f5c
--- /dev/null
+++ b/dev-nodes/DEV-005/config.json
@@ -0,0 +1,10 @@
+{
+  "dev_id": "DEV-005",
+  "name": "小草莓",
+  "emoji": "🍓",
+  "modules": ["m12-kanban", "status-board"],
+  "pat_configured": false,
+  "network_scheme": "layer1_https",
+  "created_at": "2026-03-06T23:00:00+08:00",
+  "notes": ""
+}
diff --git a/dev-nodes/DEV-005/status.json b/dev-nodes/DEV-005/status.json
new file mode 100644
index 00000000..4fbac109
--- /dev/null
+++ b/dev-nodes/DEV-005/status.json
@@ -0,0 +1,9 @@
+{
+  "dev_id": "DEV-005",
+  "last_seen": null,
+  "last_push": null,
+  "active_module": null,
+  "pending_broadcasts": 0,
+  "signal_count": 0,
+  "updated_at": "2026-03-06T23:00:00+08:00"
+}
diff --git a/dev-nodes/DEV-009/config.json b/dev-nodes/DEV-009/config.json
new file mode 100644
index 00000000..56ba40aa
--- /dev/null
+++ b/dev-nodes/DEV-009/config.json
@@ -0,0 +1,10 @@
+{
+  "dev_id": "DEV-009",
+  "name": "花尔",
+  "emoji": "🌺",
+  "modules": ["m05-user-center"],
+  "pat_configured": false,
+  "network_scheme": "layer1_https",
+  "created_at": "2026-03-06T23:00:00+08:00",
+  "notes": ""
+}
diff --git a/dev-nodes/DEV-009/status.json b/dev-nodes/DEV-009/status.json
new file mode 100644
index 00000000..fae32904
--- /dev/null
+++ b/dev-nodes/DEV-009/status.json
@@ -0,0 +1,9 @@
+{
+  "dev_id": "DEV-009",
+  "last_seen": null,
+  "last_push": null,
+  "active_module": null,
+  "pending_broadcasts": 0,
+  "signal_count": 0,
+  "updated_at": "2026-03-06T23:00:00+08:00"
+}
diff --git a/dev-nodes/DEV-010/config.json b/dev-nodes/DEV-010/config.json
new file mode 100644
index 00000000..2cbc23c9
--- /dev/null
+++ b/dev-nodes/DEV-010/config.json
@@ -0,0 +1,10 @@
+{
+  "dev_id": "DEV-010",
+  "name": "桔子",
+  "emoji": "🍊",
+  "modules": ["m06-ticket", "m11-module"],
+  "pat_configured": false,
+  "network_scheme": "layer1_https",
+  "created_at": "2026-03-06T23:00:00+08:00",
+  "notes": ""
+}
diff --git a/dev-nodes/DEV-010/status.json b/dev-nodes/DEV-010/status.json
new file mode 100644
index 00000000..e79bf2e1
--- /dev/null
+++ b/dev-nodes/DEV-010/status.json
@@ -0,0 +1,9 @@
+{
+  "dev_id": "DEV-010",
+  "last_seen": null,
+  "last_push": null,
+  "active_module": null,
+  "pending_broadcasts": 0,
+  "signal_count": 0,
+  "updated_at": "2026-03-06T23:00:00+08:00"
+}
diff --git a/dev-nodes/DEV-011/config.json b/dev-nodes/DEV-011/config.json
new file mode 100644
index 00000000..6de3b50c
--- /dev/null
+++ b/dev-nodes/DEV-011/config.json
@@ -0,0 +1,10 @@
+{
+  "dev_id": "DEV-011",
+  "name": "匆匆那年",
+  "emoji": "🌙",
+  "modules": [],
+  "pat_configured": false,
+  "network_scheme": "layer1_https",
+  "created_at": "2026-03-06T23:00:00+08:00",
+  "notes": ""
+}
diff --git a/dev-nodes/DEV-011/status.json b/dev-nodes/DEV-011/status.json
new file mode 100644
index 00000000..58c35741
--- /dev/null
+++ b/dev-nodes/DEV-011/status.json
@@ -0,0 +1,9 @@
+{
+  "dev_id": "DEV-011",
+  "last_seen": null,
+  "last_push": null,
+  "active_module": null,
+  "pending_broadcasts": 0,
+  "signal_count": 0,
+  "updated_at": "2026-03-06T23:00:00+08:00"
+}
diff --git a/dev-nodes/gl-push.sh b/dev-nodes/gl-push.sh
new file mode 100644
index 00000000..fbce4cff
--- /dev/null
+++ b/dev-nodes/gl-push.sh
@@ -0,0 +1,47 @@
+#!/bin/bash
+# gl-push.sh — 光湖智能上传脚本 · 三层网络降级方案
+# 用法: bash gl-push.sh "提交信息"
+# 要求: git 已配置，PAT token 已通过 git config credential.helper store 存储
+
+set -euo pipefail
+
+REPO_URL="https://github.com/qinfendebingshuo/guanghulab.git"
+PROXY_URL="https://ghproxy.com/https://github.com/qinfendebingshuo/guanghulab.git"
+MSG="${1:-"📤 开发者上传 $(date +%Y-%m-%dT%H:%M)"}"
+
+echo "🐙 光湖代码上传中..."
+git add .
+git commit -m "$MSG" 2>/dev/null || echo "  ℹ️  无新提交，直接推送"
+
+# ── 层级1：直连 HTTPS ──────────────────────────────────────────────────────
+echo "🔗 [层级1] 尝试直连 GitHub..."
+if git push origin main 2>/dev/null; then
+  echo "✅ 直连上传成功！铸渊已接收。"
+  exit 0
+fi
+
+# ── 层级2：ghproxy 镜像加速 ───────────────────────────────────────────────
+echo "⚠️  直连失败，切换镜像通道..."
+git remote set-url origin "$PROXY_URL"
+if git push origin main 2>/dev/null; then
+  echo "✅ 镜像通道上传成功！铸渊已接收。"
+  git remote set-url origin "$REPO_URL"
+  exit 0
+fi
+git remote set-url origin "$REPO_URL"
+
+# ── 层级3：SSH ────────────────────────────────────────────────────────────
+echo "⚠️  镜像也失败，尝试 SSH 通道..."
+SSH_URL="git@github.com:qinfendebingshuo/guanghulab.git"
+git remote set-url origin "$SSH_URL"
+if git push origin main; then
+  echo "✅ SSH 通道上传成功！铸渊已接收。"
+  git remote set-url origin "$REPO_URL"
+  exit 0
+fi
+git remote set-url origin "$REPO_URL"
+
+# ── 全部失败 ──────────────────────────────────────────────────────────────
+echo "❌ 三层网络均不通，请联系知秋处理。"
+echo "   可尝试手动命令: git push git@github.com:qinfendebingshuo/guanghulab.git main"
+exit 1
diff --git a/notion-push/pending/.gitkeep b/notion-push/pending/.gitkeep
new file mode 100644
index 00000000..e69de29b
diff --git a/notion-push/processed/.gitkeep b/notion-push/processed/.gitkeep
new file mode 100644
index 00000000..e69de29b
diff --git a/package-lock.json b/package-lock.json
index bf5d24f3..ac32db90 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,7 +8,9 @@
       "name": "nextjs",
       "version": "0.1.0",
       "dependencies": {
+        "imapflow": "^1.2.12",
         "next": "15.3.8",
+        "nodemailer": "^8.0.1",
         "react": "^19.0.0",
         "react-dom": "^19.0.0"
       },
@@ -1644,6 +1646,12 @@
         "node": ">= 10"
       }
     },
+    "node_modules/@pinojs/redact": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/@pinojs/redact/-/redact-0.4.0.tgz",
+      "integrity": "sha512-k2ENnmBugE/rzQfEcdWHcCY+/FM3VLzH9cYEsbdsoqrvzAKRhUZeRNhAZvB8OitQJ1TBed3yqWtdjzS6wJKBwg==",
+      "license": "MIT"
+    },
     "node_modules/@pkgjs/parseargs": {
       "version": "0.11.0",
       "resolved": "https://registry.npmjs.org/@pkgjs/parseargs/-/parseargs-0.11.0.tgz",
@@ -2161,6 +2169,17 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/@zone-eu/mailsplit": {
+      "version": "5.4.8",
+      "resolved": "https://registry.npmjs.org/@zone-eu/mailsplit/-/mailsplit-5.4.8.tgz",
+      "integrity": "sha512-eEyACj4JZ7sjzRvy26QhLgKEMWwQbsw1+QZnlLX+/gihcNH07lVPOcnwf5U6UAL7gkc//J3jVd76o/WS+taUiA==",
+      "license": "(MIT OR EUPL-1.1+)",
+      "dependencies": {
+        "libbase64": "1.3.0",
+        "libmime": "5.3.7",
+        "libqp": "2.1.1"
+      }
+    },
     "node_modules/ansi-escapes": {
       "version": "4.3.2",
       "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-4.3.2.tgz",
@@ -2230,6 +2249,15 @@
         "sprintf-js": "~1.0.2"
       }
     },
+    "node_modules/atomic-sleep": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/atomic-sleep/-/atomic-sleep-1.0.0.tgz",
+      "integrity": "sha512-kNOjDqAh7px0XWNI+4QbzoiR/nTkHAWNud2uvnJquD1/x5a7EQZMJT0AczqK0Qn67oY/TTQ1LbUKajZpp3I9tQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8.0.0"
+      }
+    },
     "node_modules/babel-jest": {
       "version": "29.7.0",
       "resolved": "https://registry.npmjs.org/babel-jest/-/babel-jest-29.7.0.tgz",
@@ -2955,6 +2983,15 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/encoding-japanese": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/encoding-japanese/-/encoding-japanese-2.2.0.tgz",
+      "integrity": "sha512-EuJWwlHPZ1LbADuKTClvHtwbaFn4rOD+dRAbWysqEOXRc2Uui0hJInNJrsdH0c+OhJA4nrCBdSkW4DD5YxAo6A==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8.10.0"
+      }
+    },
     "node_modules/enhanced-resolve": {
       "version": "5.18.1",
       "resolved": "https://registry.npmjs.org/enhanced-resolve/-/enhanced-resolve-5.18.1.tgz",
@@ -3282,6 +3319,39 @@
         "node": ">=10.17.0"
       }
     },
+    "node_modules/iconv-lite": {
+      "version": "0.7.2",
+      "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.7.2.tgz",
+      "integrity": "sha512-im9DjEDQ55s9fL4EYzOAv0yMqmMBSZp6G0VvFyTMPKWxiSBHUj9NW/qqLmXUwXrrM7AvqSlTCfvqRb0cM8yYqw==",
+      "license": "MIT",
+      "dependencies": {
+        "safer-buffer": ">= 2.1.2 < 3.0.0"
+      },
+      "engines": {
+        "node": ">=0.10.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
+      }
+    },
+    "node_modules/imapflow": {
+      "version": "1.2.12",
+      "resolved": "https://registry.npmjs.org/imapflow/-/imapflow-1.2.12.tgz",
+      "integrity": "sha512-UX8qCKXZk2xExe/x8KPTSbhROdtUGP13bSLSjT9Sb3YwGuryD4aFNlGhbWBW5B1GtgHMRxVv9yvl61RqXgIQtQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@zone-eu/mailsplit": "5.4.8",
+        "encoding-japanese": "2.2.0",
+        "iconv-lite": "0.7.2",
+        "libbase64": "1.3.0",
+        "libmime": "5.3.7",
+        "libqp": "2.1.1",
+        "nodemailer": "8.0.1",
+        "pino": "10.3.1",
+        "socks": "2.8.7"
+      }
+    },
     "node_modules/import-local": {
       "version": "3.2.0",
       "resolved": "https://registry.npmjs.org/import-local/-/import-local-3.2.0.tgz",
@@ -3331,6 +3401,15 @@
       "dev": true,
       "license": "ISC"
     },
+    "node_modules/ip-address": {
+      "version": "10.1.0",
+      "resolved": "https://registry.npmjs.org/ip-address/-/ip-address-10.1.0.tgz",
+      "integrity": "sha512-XXADHxXmvT9+CRxhXg56LJovE+bmWnEWB78LB83VZTprKTmaC5QfruXocxzTZ2Kl0DNwKuBdlIhjL8LeY8Sf8Q==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 12"
+      }
+    },
     "node_modules/is-arrayish": {
       "version": "0.3.2",
       "resolved": "https://registry.npmjs.org/is-arrayish/-/is-arrayish-0.3.2.tgz",
@@ -4250,6 +4329,42 @@
         "node": ">=6"
       }
     },
+    "node_modules/libbase64": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/libbase64/-/libbase64-1.3.0.tgz",
+      "integrity": "sha512-GgOXd0Eo6phYgh0DJtjQ2tO8dc0IVINtZJeARPeiIJqge+HdsWSuaDTe8ztQ7j/cONByDZ3zeB325AHiv5O0dg==",
+      "license": "MIT"
+    },
+    "node_modules/libmime": {
+      "version": "5.3.7",
+      "resolved": "https://registry.npmjs.org/libmime/-/libmime-5.3.7.tgz",
+      "integrity": "sha512-FlDb3Wtha8P01kTL3P9M+ZDNDWPKPmKHWaU/cG/lg5pfuAwdflVpZE+wm9m7pKmC5ww6s+zTxBKS1p6yl3KpSw==",
+      "license": "MIT",
+      "dependencies": {
+        "encoding-japanese": "2.2.0",
+        "iconv-lite": "0.6.3",
+        "libbase64": "1.3.0",
+        "libqp": "2.1.1"
+      }
+    },
+    "node_modules/libmime/node_modules/iconv-lite": {
+      "version": "0.6.3",
+      "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.6.3.tgz",
+      "integrity": "sha512-4fCk79wshMdzMp2rH06qWrJE4iolqLhCUH+OiuIgU++RB0+94NlDL81atO7GX55uUKueo0txHNtvEyI6D7WdMw==",
+      "license": "MIT",
+      "dependencies": {
+        "safer-buffer": ">= 2.1.2 < 3.0.0"
+      },
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/libqp": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/libqp/-/libqp-2.1.1.tgz",
+      "integrity": "sha512-0Wd+GPz1O134cP62YU2GTOPNA7Qgl09XwCqM5zpBv87ERCXdfDtyKXvV7c9U22yWJh44QZqBocFnXN11K96qow==",
+      "license": "MIT"
+    },
     "node_modules/lightningcss": {
       "version": "1.29.2",
       "resolved": "https://registry.npmjs.org/lightningcss/-/lightningcss-1.29.2.tgz",
@@ -4730,6 +4845,15 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/nodemailer": {
+      "version": "8.0.1",
+      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-8.0.1.tgz",
+      "integrity": "sha512-5kcldIXmaEjZcHR6F28IKGSgpmZHaF1IXLWFTG+Xh3S+Cce4MiakLtWY+PlBU69fLbRa8HlaGIrC/QolUpHkhg==",
+      "license": "MIT-0",
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    },
     "node_modules/normalize-path": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-3.0.0.tgz",
@@ -4753,6 +4877,15 @@
         "node": ">=8"
       }
     },
+    "node_modules/on-exit-leak-free": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/on-exit-leak-free/-/on-exit-leak-free-2.1.2.tgz",
+      "integrity": "sha512-0eJJY6hXLGf1udHwfNftBqH+g73EU4B504nZeKpz1sYRKafAghwxEJunB2O7rDZkL4PGfsMVnTXZ2EjibbqcsA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=14.0.0"
+      }
+    },
     "node_modules/once": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
@@ -4940,6 +5073,43 @@
         "url": "https://github.com/sponsors/jonschlinkert"
       }
     },
+    "node_modules/pino": {
+      "version": "10.3.1",
+      "resolved": "https://registry.npmjs.org/pino/-/pino-10.3.1.tgz",
+      "integrity": "sha512-r34yH/GlQpKZbU1BvFFqOjhISRo1MNx1tWYsYvmj6KIRHSPMT2+yHOEb1SG6NMvRoHRF0a07kCOox/9yakl1vg==",
+      "license": "MIT",
+      "dependencies": {
+        "@pinojs/redact": "^0.4.0",
+        "atomic-sleep": "^1.0.0",
+        "on-exit-leak-free": "^2.1.0",
+        "pino-abstract-transport": "^3.0.0",
+        "pino-std-serializers": "^7.0.0",
+        "process-warning": "^5.0.0",
+        "quick-format-unescaped": "^4.0.3",
+        "real-require": "^0.2.0",
+        "safe-stable-stringify": "^2.3.1",
+        "sonic-boom": "^4.0.1",
+        "thread-stream": "^4.0.0"
+      },
+      "bin": {
+        "pino": "bin.js"
+      }
+    },
+    "node_modules/pino-abstract-transport": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/pino-abstract-transport/-/pino-abstract-transport-3.0.0.tgz",
+      "integrity": "sha512-wlfUczU+n7Hy/Ha5j9a/gZNy7We5+cXp8YL+X+PG8S0KXxw7n/JXA3c46Y0zQznIJ83URJiwy7Lh56WLokNuxg==",
+      "license": "MIT",
+      "dependencies": {
+        "split2": "^4.0.0"
+      }
+    },
+    "node_modules/pino-std-serializers": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/pino-std-serializers/-/pino-std-serializers-7.1.0.tgz",
+      "integrity": "sha512-BndPH67/JxGExRgiX1dX0w1FvZck5Wa4aal9198SrRhZjH3GxKQUKIBnYJTdj2HDN3UQAS06HlfcSbQj2OHmaw==",
+      "license": "MIT"
+    },
     "node_modules/pirates": {
       "version": "4.0.7",
       "resolved": "https://registry.npmjs.org/pirates/-/pirates-4.0.7.tgz",
@@ -5020,6 +5190,22 @@
         "url": "https://github.com/chalk/ansi-styles?sponsor=1"
       }
     },
+    "node_modules/process-warning": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/process-warning/-/process-warning-5.0.0.tgz",
+      "integrity": "sha512-a39t9ApHNx2L4+HBnQKqxxHNs1r7KF+Intd8Q/g1bUh6q0WIp9voPXJ/x0j+ZL45KF1pJd9+q2jLIRMfvEshkA==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/fastify"
+        },
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/fastify"
+        }
+      ],
+      "license": "MIT"
+    },
     "node_modules/prompts": {
       "version": "2.4.2",
       "resolved": "https://registry.npmjs.org/prompts/-/prompts-2.4.2.tgz",
@@ -5051,6 +5237,12 @@
       ],
       "license": "MIT"
     },
+    "node_modules/quick-format-unescaped": {
+      "version": "4.0.4",
+      "resolved": "https://registry.npmjs.org/quick-format-unescaped/-/quick-format-unescaped-4.0.4.tgz",
+      "integrity": "sha512-tYC1Q1hgyRuHgloV/YXs2w15unPVh8qfu/qCTfhTYamaw7fyhumKa2yGpdSo87vY32rIclj+4fWYQXUMs9EHvg==",
+      "license": "MIT"
+    },
     "node_modules/react": {
       "version": "19.1.0",
       "resolved": "https://registry.npmjs.org/react/-/react-19.1.0.tgz",
@@ -5079,6 +5271,15 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/real-require": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/real-require/-/real-require-0.2.0.tgz",
+      "integrity": "sha512-57frrGM/OCTLqLOAh0mhVA9VBMHd+9U7Zb2THMGdBUoZVOtGbJzjxsYGDJ3A9AYYCP4hn6y1TVbaOfzWtm5GFg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 12.13.0"
+      }
+    },
     "node_modules/require-directory": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/require-directory/-/require-directory-2.1.1.tgz",
@@ -5143,6 +5344,21 @@
         "node": ">=10"
       }
     },
+    "node_modules/safe-stable-stringify": {
+      "version": "2.5.0",
+      "resolved": "https://registry.npmjs.org/safe-stable-stringify/-/safe-stable-stringify-2.5.0.tgz",
+      "integrity": "sha512-b3rppTKm9T+PsVCBEOUR46GWI7fdOs00VKZ1+9c1EWDaDMvjQc6tUwuFyIprgGgTcWoVHSKrU8H31ZHA2e0RHA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=10"
+      }
+    },
+    "node_modules/safer-buffer": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
+      "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==",
+      "license": "MIT"
+    },
     "node_modules/scheduler": {
       "version": "0.26.0",
       "resolved": "https://registry.npmjs.org/scheduler/-/scheduler-0.26.0.tgz",
@@ -5266,6 +5482,39 @@
         "node": ">=8"
       }
     },
+    "node_modules/smart-buffer": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/smart-buffer/-/smart-buffer-4.2.0.tgz",
+      "integrity": "sha512-94hK0Hh8rPqQl2xXc3HsaBoOXKV20MToPkcXvwbISWLEs+64sBq5kFgn2kJDHb1Pry9yrP0dxrCI9RRci7RXKg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 6.0.0",
+        "npm": ">= 3.0.0"
+      }
+    },
+    "node_modules/socks": {
+      "version": "2.8.7",
+      "resolved": "https://registry.npmjs.org/socks/-/socks-2.8.7.tgz",
+      "integrity": "sha512-HLpt+uLy/pxB+bum/9DzAgiKS8CX1EvbWxI4zlmgGCExImLdiad2iCwXT5Z4c9c3Eq8rP2318mPW2c+QbtjK8A==",
+      "license": "MIT",
+      "dependencies": {
+        "ip-address": "^10.0.1",
+        "smart-buffer": "^4.2.0"
+      },
+      "engines": {
+        "node": ">= 10.0.0",
+        "npm": ">= 3.0.0"
+      }
+    },
+    "node_modules/sonic-boom": {
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/sonic-boom/-/sonic-boom-4.2.1.tgz",
+      "integrity": "sha512-w6AxtubXa2wTXAUsZMMWERrsIRAdrK0Sc+FUytWvYAhBJLyuI4llrMIC1DtlNSdI99EI86KZum2MMq3EAZlF9Q==",
+      "license": "MIT",
+      "dependencies": {
+        "atomic-sleep": "^1.0.0"
+      }
+    },
     "node_modules/source-map": {
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
@@ -5296,6 +5545,15 @@
         "source-map": "^0.6.0"
       }
     },
+    "node_modules/split2": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/split2/-/split2-4.2.0.tgz",
+      "integrity": "sha512-UcjcJOWknrNkF6PLX83qcHM6KHgVKNkV62Y8a5uYDVv9ydGQVwAHMKqHdJje1VTWpljG0WYpCDhrCdAOYH4TWg==",
+      "license": "ISC",
+      "engines": {
+        "node": ">= 10.x"
+      }
+    },
     "node_modules/sprintf-js": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
@@ -5625,6 +5883,18 @@
         "node": "*"
       }
     },
+    "node_modules/thread-stream": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/thread-stream/-/thread-stream-4.0.0.tgz",
+      "integrity": "sha512-4iMVL6HAINXWf1ZKZjIPcz5wYaOdPhtO8ATvZ+Xqp3BTdaqtAwQkNmKORqcIo5YkQqGXq5cwfswDwMqqQNrpJA==",
+      "license": "MIT",
+      "dependencies": {
+        "real-require": "^0.2.0"
+      },
+      "engines": {
+        "node": ">=20"
+      }
+    },
     "node_modules/tmpl": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/tmpl/-/tmpl-1.0.5.tgz",
diff --git a/package.json b/package.json
index 1820b151..6ddb8031 100644
--- a/package.json
+++ b/package.json
@@ -14,10 +14,14 @@
     "brain:sync": "node scripts/process-broadcasts.js",
     "brain:daily-check": "node scripts/daily-check.js",
     "brain:update-memory": "node scripts/update-memory.js",
-    "broadcast:distribute": "node scripts/distribute-broadcasts.js"
+    "broadcast:distribute": "node scripts/distribute-broadcasts.js",
+    "esp:process": "node scripts/esp-email-processor.js",
+    "psp:inspect": "node scripts/psp-inspection.js"
   },
   "dependencies": {
+    "imapflow": "^1.2.12",
     "next": "15.3.8",
+    "nodemailer": "^8.0.1",
     "react": "^19.0.0",
     "react-dom": "^19.0.0"
   },
diff --git a/scripts/esp-email-processor.js b/scripts/esp-email-processor.js
new file mode 100644
index 00000000..cd5e7a92
--- /dev/null
+++ b/scripts/esp-email-processor.js
@@ -0,0 +1,360 @@
+// scripts/esp-email-processor.js
+// ESP 邮件信号协议 · GitHub 端处理器
+// 功能：读取 Gmail IMAP → 解析 [GL-CMD] 信号 → 执行指令 → 写 signal-log → 发 [GL-ACK]
+
+'use strict';
+
+const fs = require('fs');
+const path = require('path');
+const { ImapFlow } = require('imapflow');
+const nodemailer = require('nodemailer');
+
+// ── 配置 ────────────────────────────────────────────────────────────────────
+const EMAIL_ADDRESS  = process.env.EMAIL_ADDRESS;
+const EMAIL_PASSWORD = process.env.EMAIL_APP_PASSWORD;
+
+if (!EMAIL_ADDRESS || !EMAIL_PASSWORD) {
+  console.error('❌ 缺少环境变量 EMAIL_ADDRESS 或 EMAIL_APP_PASSWORD');
+  process.exit(1);
+}
+
+const SIGNAL_LOG_DIR    = path.join(__dirname, '../signal-log');
+const SIGNAL_INDEX_PATH = path.join(SIGNAL_LOG_DIR, 'index.json');
+const NOTION_PUSH_DIR   = path.join(__dirname, '../notion-push/pending');
+const DEV_NODES_DIR     = path.join(__dirname, '../dev-nodes');
+
+// ── 信号 ID 生成 ──────────────────────────────────────────────────────────
+function generateSignalId() {
+  const now = new Date();
+  const ymd = now.toISOString().slice(0, 10).replace(/-/g, '');
+  const index = loadSignalIndex();
+  const seq   = String(index.total_count + 1).padStart(3, '0');
+  return `SIG-${ymd}-${seq}`;
+}
+
+// ── 信号索引读写 ──────────────────────────────────────────────────────────
+function loadSignalIndex() {
+  if (!fs.existsSync(SIGNAL_INDEX_PATH)) {
+    return { last_updated: new Date().toISOString(), total_count: 0, signals: [] };
+  }
+  return JSON.parse(fs.readFileSync(SIGNAL_INDEX_PATH, 'utf8'));
+}
+
+function saveSignalIndex(index) {
+  index.last_updated = new Date().toISOString();
+  fs.writeFileSync(SIGNAL_INDEX_PATH, JSON.stringify(index, null, 2));
+}
+
+// ── 写入信号日志文件 ──────────────────────────────────────────────────────
+function writeSignalLog(signal) {
+  const dateStr   = signal.timestamp.slice(0, 7); // "YYYY-MM"
+  const monthDir  = path.join(SIGNAL_LOG_DIR, dateStr);
+  fs.mkdirSync(monthDir, { recursive: true });
+
+  const filePath  = path.join(monthDir, `${signal.signal_id}.json`);
+  fs.writeFileSync(filePath, JSON.stringify(signal, null, 2));
+
+  const index     = loadSignalIndex();
+  index.total_count += 1;
+  index.signals.unshift({
+    signal_id:  signal.signal_id,
+    trace_id:   signal.trace_id,
+    type:       signal.signal_type,
+    timestamp:  signal.timestamp,
+    summary:    signal.summary,
+    related_dev: signal.related_dev || null,
+    file:       `${dateStr}/${signal.signal_id}.json`
+  });
+  saveSignalIndex(index);
+
+  console.log(`📝 信号已写入: ${signal.signal_id}`);
+}
+
+// ── 写入 notion-push/pending ──────────────────────────────────────────────
+function pushToNotion(signal) {
+  fs.mkdirSync(NOTION_PUSH_DIR, { recursive: true });
+  const filePath = path.join(NOTION_PUSH_DIR, `${signal.signal_id}.json`);
+  fs.writeFileSync(filePath, JSON.stringify(signal, null, 2));
+  console.log(`📤 已写入 notion-push/pending: ${signal.signal_id}`);
+}
+
+// ── SMTP 发送 ACK 邮件 ────────────────────────────────────────────────────
+async function sendAckEmail(originalSignal, ackSignalId, result) {
+  const transporter = nodemailer.createTransport({
+    host:   'smtp.gmail.com',
+    port:   587,
+    secure: false,
+    auth:   { user: EMAIL_ADDRESS, pass: EMAIL_PASSWORD }
+  });
+
+  const ackPayload = {
+    signal_type:      'GL-ACK',
+    trace_id:         originalSignal.trace_id,
+    ack_signal_id:    ackSignalId,
+    original_cmd_id:  originalSignal.signal_id,
+    timestamp:        new Date().toISOString(),
+    sender:           '铸渊',
+    receiver:         '霜砚',
+    original_command: originalSignal.command,
+    result,
+    message:          `指令 ${originalSignal.command} 执行${result === '成功' ? '完成' : '失败'}`
+  };
+
+  await transporter.sendMail({
+    from:    EMAIL_ADDRESS,
+    to:      EMAIL_ADDRESS,
+    subject: `[GL-ACK] ${originalSignal.trace_id} | ${originalSignal.command} ${result}`,
+    text:    JSON.stringify(ackPayload, null, 2)
+  });
+
+  console.log(`📧 [GL-ACK] 已发送: ${ackSignalId}`);
+  return ackPayload;
+}
+
+// ── 指令执行器 ────────────────────────────────────────────────────────────
+async function executeCommand(signal) {
+  const { command, payload } = signal;
+  console.log(`⚙️  执行指令: ${command}`);
+
+  switch (command) {
+    case 'sync_broadcast': {
+      // 将 broadcasts-outbox/ 中的广播同步到对应 dev-nodes/
+      const outboxDir = path.join(__dirname, '../broadcasts-outbox');
+      if (!fs.existsSync(outboxDir)) {
+        return { result: '失败', detail: 'broadcasts-outbox 目录不存在' };
+      }
+      const devDirs = fs.readdirSync(outboxDir).filter(f => f.startsWith('DEV-'));
+      let synced = 0;
+      for (const devId of devDirs) {
+        const srcDir  = path.join(outboxDir, devId);
+        const destDir = path.join(DEV_NODES_DIR, devId);
+        if (!fs.existsSync(destDir)) continue;
+        const files = fs.readdirSync(srcDir).filter(f => f.endsWith('.json'));
+        for (const file of files) {
+          const src  = path.join(srcDir, file);
+          const dest = path.join(destDir, file);
+          if (!fs.existsSync(dest)) {
+            fs.copyFileSync(src, dest);
+            synced++;
+          }
+        }
+        // 更新 status.json 中的 pending_broadcasts
+        const statusPath = path.join(destDir, 'status.json');
+        if (fs.existsSync(statusPath)) {
+          const status = JSON.parse(fs.readFileSync(statusPath, 'utf8'));
+          status.pending_broadcasts = files.length;
+          status.updated_at = new Date().toISOString();
+          fs.writeFileSync(statusPath, JSON.stringify(status, null, 2));
+        }
+      }
+      return { result: '成功', detail: `已同步 ${synced} 个广播文件` };
+    }
+
+    case 'check_syslog': {
+      const syslogInbox = path.join(__dirname, '../syslog-inbox');
+      const files = fs.existsSync(syslogInbox)
+        ? fs.readdirSync(syslogInbox).filter(f => f.endsWith('.json'))
+        : [];
+      const summary = `syslog-inbox 待处理: ${files.length} 条`;
+      pushToNotion({
+        signal_id:   generateSignalId(),
+        trace_id:    signal.trace_id,
+        timestamp:   new Date().toISOString(),
+        signal_type: 'GL-DATA',
+        direction:   'GitHub→Notion',
+        sender:      '铸渊',
+        receiver:    '霜砚',
+        related_dev: null,
+        related_module: null,
+        summary,
+        payload:     { syslog_pending: files.length, files }
+      });
+      return { result: '成功', detail: summary };
+    }
+
+    case 'update_status': {
+      const { dev_id, updates } = payload || {};
+      if (!dev_id) return { result: '失败', detail: '缺少 dev_id' };
+      const statusPath = path.join(DEV_NODES_DIR, dev_id, 'status.json');
+      if (!fs.existsSync(statusPath)) {
+        return { result: '失败', detail: `${dev_id} status.json 不存在` };
+      }
+      let status;
+      try {
+        status = JSON.parse(fs.readFileSync(statusPath, 'utf8'));
+      } catch (err) {
+        return { result: '失败', detail: `${dev_id} status.json 解析失败: ${err.message}` };
+      }
+      Object.assign(status, updates, { updated_at: new Date().toISOString() });
+      fs.writeFileSync(statusPath, JSON.stringify(status, null, 2));
+      return { result: '成功', detail: `${dev_id} 状态已更新` };
+    }
+
+    default:
+      return { result: '失败', detail: `未知指令: ${command}` };
+  }
+}
+
+// ── 解析邮件正文中的 JSON 信号 ────────────────────────────────────────────
+function parseSignalFromEmail(subject, body) {
+  if (!subject.includes('[GL-CMD]')) return null;
+  try {
+    // 提取第一个完整 JSON 对象（跳过邮件头中的任何前缀内容）
+    const jsonMatch = body.match(/\{[\s\S]*\}/);
+    if (!jsonMatch) return null;
+    const parsed = JSON.parse(jsonMatch[0]);
+    if (!parsed.signal_type || !parsed.trace_id || !parsed.command) return null;
+    return parsed;
+  } catch (err) {
+    console.log(`⚠️  邮件 JSON 解析失败: ${err.message}`);
+    return null;
+  }
+}
+
+// ── 主流程 ────────────────────────────────────────────────────────────────
+async function main() {
+  console.log('═══════════════════════════════════════════════');
+  console.log('📡 ESP 邮件信号处理器启动');
+  console.log(`   时间: ${new Date().toISOString()}`);
+  console.log('═══════════════════════════════════════════════\n');
+
+  const client = new ImapFlow({
+    host:   'imap.gmail.com',
+    port:   993,
+    secure: true,
+    auth:   { user: EMAIL_ADDRESS, pass: EMAIL_PASSWORD },
+    logger: false
+  });
+
+  await client.connect();
+
+  let processed = 0;
+  let errors    = 0;
+
+  try {
+    const lock = await client.getMailboxLock('INBOX');
+    try {
+      // 搜索未读的 [GL-CMD] 邮件
+      const messages = await client.search({ seen: false, subject: '[GL-CMD]' });
+
+      if (!messages || messages.length === 0) {
+        console.log('📭 无待处理 [GL-CMD] 邮件');
+      } else {
+        console.log(`📬 发现 ${messages.length} 封 [GL-CMD] 邮件`);
+
+        for await (const msg of client.fetch(messages, { envelope: true, source: true })) {
+          const subject  = msg.envelope?.subject || '';
+          const rawBody  = msg.source?.toString('utf8') || '';
+
+          // 提取 JSON 正文（跳过邮件头）
+          const bodyStart = rawBody.indexOf('{');
+          const body = bodyStart >= 0 ? rawBody.slice(bodyStart) : '';
+
+          const signal = parseSignalFromEmail(subject, body);
+          if (!signal) {
+            console.log(`⚠️  跳过无效邮件: ${subject}`);
+            continue;
+          }
+
+          console.log(`\n📩 处理信号: ${signal.trace_id} · ${signal.command}`);
+
+          // 生成信号 ID（如邮件中未提供）
+          if (!signal.signal_id) signal.signal_id = generateSignalId();
+
+          // 写入 signal-log
+          const cmdSignal = {
+            signal_id:      signal.signal_id,
+            trace_id:       signal.trace_id,
+            timestamp:      signal.timestamp || new Date().toISOString(),
+            signal_type:    'GL-CMD',
+            direction:      'Notion→GitHub',
+            sender:         signal.sender || '霜砚',
+            receiver:       '铸渊',
+            related_dev:    signal.payload?.dev_id || null,
+            related_module: signal.payload?.module || null,
+            summary:        `执行指令 ${signal.command}`,
+            payload:        signal.payload || {},
+            result:         null,
+            ack_signal_id:  null
+          };
+          writeSignalLog(cmdSignal);
+
+          // 执行指令
+          let execResult;
+          try {
+            execResult = await executeCommand(signal);
+          } catch (err) {
+            execResult = { result: '失败', detail: err.message };
+          }
+
+          cmdSignal.result = execResult.result;
+
+          // 发送 ACK 邮件并写入 ACK 信号日志
+          const ackSignalId = generateSignalId();
+          cmdSignal.ack_signal_id = ackSignalId;
+
+          try {
+            const ackPayload = await sendAckEmail(
+              { ...signal, signal_id: cmdSignal.signal_id },
+              ackSignalId,
+              execResult.result
+            );
+            writeSignalLog({
+              signal_id:      ackSignalId,
+              trace_id:       signal.trace_id,
+              timestamp:      new Date().toISOString(),
+              signal_type:    'GL-ACK',
+              direction:      'GitHub→Notion',
+              sender:         '铸渊',
+              receiver:       '霜砚',
+              related_dev:    cmdSignal.related_dev,
+              related_module: cmdSignal.related_module,
+              summary:        `ACK: ${signal.command} ${execResult.result}`,
+              payload:        ackPayload,
+              result:         execResult.result,
+              ack_signal_id:  null
+            });
+            pushToNotion({
+              signal_id:      ackSignalId,
+              trace_id:       signal.trace_id,
+              timestamp:      new Date().toISOString(),
+              signal_type:    'GL-ACK',
+              direction:      'GitHub→Notion',
+              sender:         '铸渊',
+              receiver:       '霜砚',
+              related_dev:    cmdSignal.related_dev,
+              related_module: cmdSignal.related_module,
+              summary:        `ACK: ${signal.command} ${execResult.result}`,
+              payload:        ackPayload
+            });
+          } catch (err) {
+            console.error(`❌ 发送 ACK 邮件失败: ${err.message}`);
+            errors++;
+          }
+
+          // 标记邮件为已读
+          await client.messageFlagsAdd(msg.seq, ['\\Seen']);
+
+          processed++;
+          console.log(`✅ 信号处理完成: ${signal.trace_id} → ${execResult.result}`);
+          if (execResult.detail) console.log(`   详情: ${execResult.detail}`);
+        }
+      }
+    } finally {
+      lock.release();
+    }
+  } finally {
+    await client.logout();
+  }
+
+  console.log(`\n═══════════════════════════════════════════════`);
+  console.log(`📡 ESP 处理完毕 · 处理: ${processed} · 错误: ${errors}`);
+  console.log(`═══════════════════════════════════════════════`);
+
+  if (errors > 0) process.exit(1);
+}
+
+main().catch(err => {
+  console.error('❌ ESP 处理器致命错误:', err.message);
+  process.exit(1);
+});
diff --git a/scripts/psp-inspection.js b/scripts/psp-inspection.js
new file mode 100644
index 00000000..c92226be
--- /dev/null
+++ b/scripts/psp-inspection.js
@@ -0,0 +1,393 @@
+// scripts/psp-inspection.js
+// 铸渊 PSP 分身巡检 · 每日自动检查清单
+// CHK-G01 信号完整性 / CHK-G02 dev-nodes 一致性 / CHK-G03 notion-push 清理
+// CHK-G04 broadcasts 投递 / CHK-G05 CI 健康
+
+'use strict';
+
+const fs      = require('fs');
+const path    = require('path');
+const https   = require('https');
+const nodemailer = require('nodemailer');
+
+// ── 目录配置 ───────────────────────────────────────────────────────────────
+const ROOT            = path.join(__dirname, '..');
+const SIGNAL_LOG_DIR  = path.join(ROOT, 'signal-log');
+const SIGNAL_INDEX    = path.join(SIGNAL_LOG_DIR, 'index.json');
+const DEV_NODES_DIR   = path.join(ROOT, 'dev-nodes');
+const NOTION_PENDING  = path.join(ROOT, 'notion-push/pending');
+const BROADCASTS_DIR  = path.join(ROOT, 'broadcasts-outbox');
+const MEMORY_PATH     = path.join(ROOT, '.github/brain/memory.json');
+
+const EMAIL_ADDRESS  = process.env.EMAIL_ADDRESS;
+const EMAIL_PASSWORD = process.env.EMAIL_APP_PASSWORD;
+const GITHUB_TOKEN   = process.env.GITHUB_TOKEN;
+const REPO           = process.env.GITHUB_REPOSITORY || 'qinfendebingshuo/guanghulab';
+
+const now           = new Date();
+const today         = now.toISOString().split('T')[0];
+const results       = {};
+const issues        = [];
+const autoFixed     = [];
+const MS_PER_HOUR   = 3600000;
+const PSP_TRACE_ID  = `TRC-${today.replace(/-/g, '')}-PSP`;
+
+// ── 工具函数 ───────────────────────────────────────────────────────────────
+function hoursAgo(isoStr) {
+  if (!isoStr) return Infinity;
+  return (Date.now() - new Date(isoStr).getTime()) / MS_PER_HOUR;
+}
+
+function loadJson(filePath) {
+  if (!fs.existsSync(filePath)) return null;
+  try { return JSON.parse(fs.readFileSync(filePath, 'utf8')); } catch { return null; }
+}
+
+function saveJson(filePath, data) {
+  fs.writeFileSync(filePath, JSON.stringify(data, null, 2));
+}
+
+// ── 信号 ID 生成 ───────────────────────────────────────────────────────────
+function generateSignalId() {
+  const ymd   = today.replace(/-/g, '');
+  const index = loadJson(SIGNAL_INDEX) || { total_count: 0 };
+  const seq   = String(index.total_count + 1).padStart(3, '0');
+  return `SIG-${ymd}-${seq}`;
+}
+
+// ── 写信号日志 ─────────────────────────────────────────────────────────────
+function writeSignalLog(signal) {
+  const dateStr = signal.timestamp.slice(0, 7);
+  const dir     = path.join(SIGNAL_LOG_DIR, dateStr);
+  fs.mkdirSync(dir, { recursive: true });
+  fs.writeFileSync(path.join(dir, `${signal.signal_id}.json`), JSON.stringify(signal, null, 2));
+
+  const index = loadJson(SIGNAL_INDEX) || { last_updated: '', total_count: 0, signals: [] };
+  index.total_count += 1;
+  index.last_updated = now.toISOString();
+  index.signals.unshift({
+    signal_id:   signal.signal_id,
+    trace_id:    signal.trace_id,
+    type:        signal.signal_type,
+    timestamp:   signal.timestamp,
+    summary:     signal.summary,
+    related_dev: signal.related_dev || null,
+    file:        `${dateStr}/${signal.signal_id}.json`
+  });
+  saveJson(SIGNAL_INDEX, index);
+}
+
+// ── 发送 GL-DATA 通知邮件 ──────────────────────────────────────────────────
+async function sendDataEmail(subject, payload) {
+  if (!EMAIL_ADDRESS || !EMAIL_PASSWORD) {
+    console.log('⚠️  EMAIL 未配置，跳过邮件发送');
+    return;
+  }
+  const transport = nodemailer.createTransport({
+    host:   'smtp.gmail.com',
+    port:   587,
+    secure: false,
+    auth:   { user: EMAIL_ADDRESS, pass: EMAIL_PASSWORD }
+  });
+  await transport.sendMail({
+    from:    EMAIL_ADDRESS,
+    to:      EMAIL_ADDRESS,
+    subject: `[GL-DATA] ${subject}`,
+    text:    JSON.stringify(payload, null, 2)
+  });
+  console.log(`📧 [GL-DATA] 已发送: ${subject}`);
+}
+
+// ── CHK-G01 信号收发完整性 ─────────────────────────────────────────────────
+function checkG01() {
+  console.log('\n─── CHK-G01 信号收发完整性 ───');
+  const index = loadJson(SIGNAL_INDEX);
+  if (!index) {
+    results.G01 = '⚠️';
+    issues.push('CHK-G01: signal-log/index.json 不存在');
+    return;
+  }
+
+  const cutoff    = Date.now() - 24 * MS_PER_HOUR;
+  const recent    = index.signals.filter(s => new Date(s.timestamp).getTime() > cutoff);
+  const cmds      = recent.filter(s => s.type === 'GL-CMD');
+  const acks      = new Set(recent.filter(s => s.type === 'GL-ACK').map(s => s.trace_id));
+  const unacked   = cmds.filter(s => !acks.has(s.trace_id));
+
+  if (unacked.length > 0) {
+    results.G01 = '❌';
+    unacked.forEach(s => issues.push(`CHK-G01: 未收到 ACK · trace_id=${s.trace_id} · ${s.summary}`));
+  } else {
+    results.G01 = '✅';
+    console.log(`  ✅ 最近24h CMD: ${cmds.length} · ACK 全部到位`);
+  }
+}
+
+// ── CHK-G02 dev-nodes 状态一致性 ──────────────────────────────────────────
+function checkG02() {
+  console.log('\n─── CHK-G02 dev-nodes 状态一致性 ───');
+  if (!fs.existsSync(DEV_NODES_DIR)) {
+    results.G02 = '❌';
+    issues.push('CHK-G02: dev-nodes/ 目录不存在');
+    return;
+  }
+
+  const devDirs = fs.readdirSync(DEV_NODES_DIR).filter(d => d.startsWith('DEV-'));
+  let allOk = true;
+
+  for (const devId of devDirs) {
+    const statusPath = path.join(DEV_NODES_DIR, devId, 'status.json');
+    const configPath = path.join(DEV_NODES_DIR, devId, 'config.json');
+    if (!fs.existsSync(statusPath) || !fs.existsSync(configPath)) {
+      issues.push(`CHK-G02: ${devId} 缺少 status.json 或 config.json`);
+      allOk = false;
+      continue;
+    }
+    const status = loadJson(statusPath);
+    if (!status) {
+      issues.push(`CHK-G02: ${devId} status.json 解析失败`);
+      allOk = false;
+    }
+  }
+
+  results.G02 = allOk ? '✅' : '⚠️';
+  if (allOk) console.log(`  ✅ ${devDirs.length} 个开发者节点状态文件完整`);
+}
+
+// ── CHK-G03 notion-push 清理 ───────────────────────────────────────────────
+async function checkG03() {
+  console.log('\n─── CHK-G03 notion-push/pending 清理 ───');
+  if (!fs.existsSync(NOTION_PENDING)) {
+    results.G03 = '✅';
+    console.log('  ✅ notion-push/pending 目录为空或不存在');
+    return;
+  }
+
+  const files   = fs.readdirSync(NOTION_PENDING).filter(f => f.endsWith('.json'));
+  const stale   = files.filter(f => {
+    const stat = fs.statSync(path.join(NOTION_PENDING, f));
+    return (Date.now() - stat.mtimeMs) > 24 * MS_PER_HOUR;
+  });
+
+  if (stale.length > 0) {
+    results.G03 = '⚠️';
+    issues.push(`CHK-G03: ${stale.length} 个 notion-push/pending 文件超过24h未处理: ${stale.join(', ')}`);
+    // 发通知
+    try {
+      await sendDataEmail('notion-push/pending 文件积压提醒', {
+        type:   'GL-CMD',
+        sender: '铸渊',
+        command: 'alert_pending_files',
+        payload: { stale_files: stale, count: stale.length }
+      });
+    } catch (err) {
+      console.error(`  ⚠️  发送通知失败: ${err.message}`);
+    }
+  } else {
+    results.G03 = '✅';
+    console.log(`  ✅ pending: ${files.length} 个文件，无超期`);
+  }
+}
+
+// ── CHK-G04 broadcasts 投递确认 ───────────────────────────────────────────
+function checkG04() {
+  console.log('\n─── CHK-G04 broadcasts-outbox 投递确认 ───');
+  if (!fs.existsSync(BROADCASTS_DIR)) {
+    results.G04 = '⚠️';
+    issues.push('CHK-G04: broadcasts-outbox/ 不存在');
+    return;
+  }
+
+  const devDirs = fs.readdirSync(BROADCASTS_DIR).filter(d => d.startsWith('DEV-'));
+  let allSynced = true;
+
+  for (const devId of devDirs) {
+    const srcDir  = path.join(BROADCASTS_DIR, devId);
+    const destDir = path.join(DEV_NODES_DIR, devId);
+    if (!fs.existsSync(destDir)) continue;
+
+    const broadcasts = fs.readdirSync(srcDir).filter(f => f.endsWith('.json'));
+    for (const file of broadcasts) {
+      const dest = path.join(destDir, file);
+      if (!fs.existsSync(dest)) {
+        // 自动复制
+        fs.copyFileSync(path.join(srcDir, file), dest);
+        autoFixed.push(`CHK-G04: 自动投递广播 ${devId}/${file}`);
+        console.log(`  🔧 自动投递: ${devId}/${file}`);
+        allSynced = false;
+      }
+    }
+  }
+
+  results.G04 = '✅';
+  if (allSynced) {
+    console.log('  ✅ 所有广播已同步至 dev-nodes/');
+  } else {
+    console.log(`  ✅ 已自动修复 ${autoFixed.length} 个广播投递`);
+  }
+}
+
+// ── CHK-G05 CI 健康检查 ───────────────────────────────────────────────────
+async function checkG05() {
+  console.log('\n─── CHK-G05 CI 健康检查 ───');
+  if (!GITHUB_TOKEN) {
+    results.G05 = '⚠️';
+    console.log('  ⚠️  GITHUB_TOKEN 未配置，跳过 CI 检查');
+    return;
+  }
+
+  return new Promise((resolve) => {
+    const [owner, repoName] = REPO.split('/');
+    const options = {
+      hostname: 'api.github.com',
+      path:     `/repos/${owner}/${repoName}/actions/runs?per_page=20`,
+      method:   'GET',
+      headers: {
+        'Authorization': `Bearer ${GITHUB_TOKEN}`,
+        'Accept':        'application/vnd.github.v3+json',
+        'User-Agent':    'zhuyuan-psp-inspector'
+      }
+    };
+
+    const req = https.request(options, (res) => {
+      let data = '';
+      res.on('data', chunk => { data += chunk; });
+      res.on('end', () => {
+        try {
+          const body     = JSON.parse(data);
+          const runs     = body.workflow_runs || [];
+          const cutoff   = Date.now() - 24 * MS_PER_HOUR;
+          const recent   = runs.filter(r => new Date(r.created_at).getTime() > cutoff);
+          const failed   = recent.filter(r => r.conclusion === 'failure');
+
+          if (failed.length > 0) {
+            results.G05 = '❌';
+            failed.forEach(r => {
+              issues.push(`CHK-G05: CI 失败 · ${r.name} · ${r.html_url}`);
+            });
+            // 写入 signal-log
+            const signalId = generateSignalId();
+            writeSignalLog({
+              signal_id:      signalId,
+              trace_id:       PSP_TRACE_ID,
+              timestamp:      now.toISOString(),
+              signal_type:    'GL-DATA',
+              direction:      'GitHub→Notion',
+              sender:         '铸渊',
+              receiver:       '霜砚',
+              related_dev:    null,
+              related_module: null,
+              summary:        `CHK-G05: ${failed.length} 个 CI 失败`,
+              payload:        { failed_runs: failed.map(r => ({ name: r.name, url: r.html_url })) },
+              result:         '待处理',
+              ack_signal_id:  null
+            });
+          } else {
+            results.G05 = '✅';
+            console.log(`  ✅ 最近24h CI: ${recent.length} 次运行，全部通过`);
+          }
+        } catch (err) {
+          results.G05 = '⚠️';
+          console.log(`  ⚠️  CI 数据解析失败: ${err.message}`);
+        }
+        resolve();
+      });
+    });
+
+    req.on('error', (err) => {
+      results.G05 = '⚠️';
+      console.log(`  ⚠️  GitHub API 请求失败: ${err.message}`);
+      resolve();
+    });
+
+    req.end();
+  });
+}
+
+// ── 更新 memory.json ───────────────────────────────────────────────────────
+function updateMemory(summary) {
+  const memory = loadJson(MEMORY_PATH);
+  if (!memory) return;
+
+  if (!memory.events) memory.events = [];
+  memory.events.unshift({
+    date:        today,
+    type:        'psp_inspection',
+    description: summary,
+    by:          '铸渊PSP巡检'
+  });
+  if (memory.events.length > 50) memory.events = memory.events.slice(0, 50);
+  memory.last_updated = now.toISOString();
+
+  saveJson(MEMORY_PATH, memory);
+}
+
+// ── 写入巡检结果到 signal-log ──────────────────────────────────────────────
+function writeInspectionSignal(allPassed) {
+  const signalId = generateSignalId();
+  const summary  = allPassed
+    ? '铸渊 PSP 巡检通过 · 全部检查项 ✅'
+    : `铸渊 PSP 巡检完成 · 发现 ${issues.length} 个问题 · 自动修复 ${autoFixed.length} 项`;
+
+  writeSignalLog({
+    signal_id:      signalId,
+    trace_id:       PSP_TRACE_ID,
+    timestamp:      now.toISOString(),
+    signal_type:    'GL-DATA',
+    direction:      'GitHub→Notion',
+    sender:         '铸渊',
+    receiver:       '霜砚',
+    related_dev:    null,
+    related_module: null,
+    summary,
+    payload: {
+      check_results: results,
+      issues,
+      auto_fixed: autoFixed
+    },
+    result:        allPassed ? '全通过' : '有问题',
+    ack_signal_id: null
+  });
+
+  return summary;
+}
+
+// ── 主流程 ────────────────────────────────────────────────────────────────
+async function main() {
+  console.log('═══════════════════════════════════════════════════');
+  console.log('🔍 铸渊 PSP 分身巡检启动');
+  console.log(`   日期: ${today}`);
+  console.log('═══════════════════════════════════════════════════');
+
+  checkG01();
+  checkG02();
+  await checkG03();
+  checkG04();
+  await checkG05();
+
+  const allPassed = Object.values(results).every(v => v === '✅');
+  const summary   = writeInspectionSignal(allPassed);
+  updateMemory(summary);
+
+  console.log('\n═══════════════════════════════════════════════════');
+  console.log('📊 PSP 巡检报告:');
+  Object.entries(results).forEach(([k, v]) => console.log(`  ${v} CHK-${k}`));
+
+  if (autoFixed.length > 0) {
+    console.log('\n🔧 自动修复:');
+    autoFixed.forEach(f => console.log(`  · ${f}`));
+  }
+
+  if (issues.length > 0) {
+    console.log('\n⚠️  待处理问题:');
+    issues.forEach(i => console.log(`  · ${i}`));
+  }
+
+  console.log(`\n${allPassed ? '✅ 铸渊 PSP 巡检全部通过' : '⚠️  铸渊 PSP 巡检发现问题，已记录'}`);
+  console.log('═══════════════════════════════════════════════════');
+}
+
+main().catch(err => {
+  console.error('❌ PSP 巡检致命错误:', err.message);
+  process.exit(1);
+});
diff --git a/scripts/zhuyuan-daily-selfcheck.js b/scripts/zhuyuan-daily-selfcheck.js
index 90d988bf..1f197fed 100644
--- a/scripts/zhuyuan-daily-selfcheck.js
+++ b/scripts/zhuyuan-daily-selfcheck.js
@@ -33,12 +33,15 @@ if (missing.length > 0) {
 }
 
 // === ① bis · 目录结构巡检 ===
-const requiredDirs = ['syslog-inbox', 'syslog-processed', 'broadcasts-outbox', '.github/brain'];
+const requiredDirs = [
+  'syslog-inbox', 'syslog-processed', 'broadcasts-outbox', '.github/brain',
+  'signal-log', 'dev-nodes', 'notion-push/pending', 'notion-push/processed'
+];
 const missingDirs  = requiredDirs.filter(d => !fs.existsSync(d));
 if (missingDirs.length > 0) {
   console.error('⚠️ 缺失目录：' + missingDirs.join(', '));
 } else {
-  console.log('✅ 目录结构巡检：syslog-inbox / syslog-processed / broadcasts-outbox 全部就绪');
+  console.log('✅ 目录结构巡检：syslog-inbox / syslog-processed / broadcasts-outbox / signal-log / dev-nodes / notion-push 全部就绪');
 }
 
 // 统计 syslog-inbox 待处理条目
diff --git a/signal-log/2026-03/SIG-2026-0306-001.json b/signal-log/2026-03/SIG-2026-0306-001.json
new file mode 100644
index 00000000..dc7cfb47
--- /dev/null
+++ b/signal-log/2026-03/SIG-2026-0306-001.json
@@ -0,0 +1,18 @@
+{
+  "signal_id": "SIG-2026-0306-001",
+  "trace_id": "TRC-2026-0306-001",
+  "timestamp": "2026-03-06T23:00:00+08:00",
+  "signal_type": "GL-CMD",
+  "direction": "Notion→GitHub",
+  "sender": "霜砚",
+  "receiver": "铸渊",
+  "related_dev": null,
+  "related_module": null,
+  "summary": "AGE OS 系统初始化 · 铸渊 GitHub 端激活",
+  "payload": {
+    "command": "system_init",
+    "version": "1.0"
+  },
+  "result": "成功",
+  "ack_signal_id": null
+}
diff --git a/signal-log/2026-03/SIG-20260307-002.json b/signal-log/2026-03/SIG-20260307-002.json
new file mode 100644
index 00000000..fc57a25d
--- /dev/null
+++ b/signal-log/2026-03/SIG-20260307-002.json
@@ -0,0 +1,27 @@
+{
+  "signal_id": "SIG-20260307-002",
+  "trace_id": "TRC-20260307-PSP",
+  "timestamp": "2026-03-07T04:45:55.670Z",
+  "signal_type": "GL-DATA",
+  "direction": "GitHub→Notion",
+  "sender": "铸渊",
+  "receiver": "霜砚",
+  "related_dev": null,
+  "related_module": null,
+  "summary": "铸渊 PSP 巡检完成 · 发现 1 个问题 · 自动修复 0 项",
+  "payload": {
+    "check_results": {
+      "G01": "❌",
+      "G02": "✅",
+      "G03": "✅",
+      "G04": "✅",
+      "G05": "⚠️"
+    },
+    "issues": [
+      "CHK-G01: 未收到 ACK · trace_id=TRC-2026-0306-001 · AGE OS 系统初始化 · 铸渊 GitHub 端激活"
+    ],
+    "auto_fixed": []
+  },
+  "result": "有问题",
+  "ack_signal_id": null
+}
\ No newline at end of file
diff --git a/signal-log/index.json b/signal-log/index.json
new file mode 100644
index 00000000..76156707
--- /dev/null
+++ b/signal-log/index.json
@@ -0,0 +1,25 @@
+{
+  "description": "铸渊信号日志目录索引 · AGE OS ESP 邮件信号协议",
+  "last_updated": "2026-03-07T04:45:55.670Z",
+  "total_count": 2,
+  "signals": [
+    {
+      "signal_id": "SIG-20260307-002",
+      "trace_id": "TRC-20260307-PSP",
+      "type": "GL-DATA",
+      "timestamp": "2026-03-07T04:45:55.670Z",
+      "summary": "铸渊 PSP 巡检完成 · 发现 1 个问题 · 自动修复 0 项",
+      "related_dev": null,
+      "file": "2026-03/SIG-20260307-002.json"
+    },
+    {
+      "signal_id": "SIG-2026-0306-001",
+      "trace_id": "TRC-2026-0306-001",
+      "type": "GL-CMD",
+      "timestamp": "2026-03-06T23:00:00+08:00",
+      "summary": "AGE OS 系统初始化 · 铸渊 GitHub 端激活",
+      "related_dev": null,
+      "file": "2026-03/SIG-2026-0306-001.json"
+    }
+  ]
+}
\ No newline at end of file