diff --git a/.gitea/workflows/ci-pipeline.yml b/.gitea/workflows/ci-pipeline.yml
index 9d9753b85..7259dcaf4 100755
--- a/.gitea/workflows/ci-pipeline.yml
+++ b/.gitea/workflows/ci-pipeline.yml
@@ -172,6 +172,250 @@ jobs:
         [ -f /tmp/ci_job_start_time ] && START_TIME=$(cat /tmp/ci_job_start_time)
         python3 scripts/ci/ci_trace_report.py --service xiaoxia-saas-ci --status $STATUS --start-time "$START_TIME" || true
 
+
+  validate-code-quality:
+    name: Validate - Code Quality
+    runs-on: ci-l2
+    timeout-minutes: 8
+    permissions:
+      contents: write
+    steps:
+    - name: Checkout code
+      shell: sh
+      env:
+        GITHUB_TOKEN: ${{ github.token }}
+      run: |
+        curl -sH "Authorization: token $GITHUB_TOKEN"           "${GITHUB_API_URL}/repos/${GITHUB_REPOSITORY}/raw/scripts/ci/step_checkout.sh?ref=${GITHUB_SHA}"           | bash
+    - name: Record job start time
+      shell: sh
+      run: bash scripts/ci/step_timer_start.sh
+    - name: Install dependencies
+      shell: sh
+      run: |
+        set -eu
+        for i in 1 2 3; do
+          python3 -m pip install -q -r requirements-base.txt && break
+          echo "pip install requirements-base.txt 失败，重试 $i/3..."
+          [ $i -eq 3 ] && exit 1
+          sleep 5
+        done
+        for i in 1 2 3; do
+          python3 -m pip install -q -r requirements.txt && break
+          echo "pip install requirements.txt 失败，重试 $i/3..."
+          [ $i -eq 3 ] && exit 1
+          sleep 5
+        done
+        for i in 1 2 3; do
+          python3 -m pip install -q -r requirements-dev.txt && break
+          echo "pip install requirements-dev.txt 失败，重试 $i/3..."
+          [ $i -eq 3 ] && exit 1
+          sleep 5
+        done
+        for i in 1 2 3; do
+          python3 -m pip install --no-binary :all: black==26.5.1 isort==8.0.1 && break
+          echo "pip install black/isort 失败，重试 $i/3..."
+          [ $i -eq 3 ] && exit 1
+          sleep 5
+        done
+    - name: Run code quality and security checks
+      shell: bash
+      env:
+        GITHUB_TOKEN: ${{ github.token }}
+      run: bash scripts/ci/validate_code_quality.sh
+    - name: Auto-fix formatting (black + isort)
+      if: failure()
+      shell: sh
+      env:
+        GITHUB_TOKEN: ${{ github.token }}
+      run: python3 scripts/ci/auto_fix_formatting.py
+    - name: CI failure notification
+      if: failure()
+      shell: sh
+      env:
+        GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
+        CI_WEBHOOK_URL: ${{ secrets.CI_WEBHOOK_URL }}
+      run: |
+        set +e
+        FAILED_JOB="Validate - Code Quality" python3 scripts/ci_notify_failure.py
+    - name: Job duration summary
+      if: always()
+      shell: sh
+      run: bash scripts/ci/step_timer_end.sh
+    - name: Notify on failure
+      continue-on-error: true
+      if: failure()
+      shell: sh
+      env:
+        CI_NOTIFY_WEBHOOK: ${{ secrets.CI_NOTIFY_WEBHOOK }}
+      run: |
+        set +e
+        NOTIFY_MODE=failure JOB_NAME="Validate - Code Quality" python3 scripts/ci_notify.py
+    - name: Report CI trace
+      if: always()
+      shell: sh
+      env:
+        AGENTLOOP_LICENSE_KEY: ${{ secrets.AGENTLOOP_LICENSE_KEY }}
+      run: |
+        STATUS="ok"
+        [ ${{ job.status }} = "success" ] || STATUS="error"
+        START_TIME=""
+        [ -f /tmp/ci_job_start_time ] && START_TIME=$(cat /tmp/ci_job_start_time)
+        python3 scripts/ci/ci_trace_report.py --service xiaoxia-saas-ci --status $STATUS --start-time "$START_TIME" || true
+
+  validate-type-check:
+    name: Validate - Type Check (mypy)
+    runs-on: ci-l2
+    timeout-minutes: 8
+    permissions:
+      contents: read
+    steps:
+    - name: Checkout code
+      shell: sh
+      env:
+        GITHUB_TOKEN: ${{ github.token }}
+      run: |
+        curl -sH "Authorization: token $GITHUB_TOKEN"           "${GITHUB_API_URL}/repos/${GITHUB_REPOSITORY}/raw/scripts/ci/step_checkout.sh?ref=${GITHUB_SHA}"           | bash
+    - name: Record job start time
+      shell: sh
+      run: bash scripts/ci/step_timer_start.sh
+    - name: Install dependencies
+      shell: sh
+      run: |
+        set -eu
+        for i in 1 2 3; do
+          python3 -m pip install -q -r requirements-base.txt && break
+          echo "pip install requirements-base.txt 失败，重试 $i/3..."
+          [ $i -eq 3 ] && exit 1
+          sleep 5
+        done
+        for i in 1 2 3; do
+          python3 -m pip install -q -r requirements.txt && break
+          echo "pip install requirements.txt 失败，重试 $i/3..."
+          [ $i -eq 3 ] && exit 1
+          sleep 5
+        done
+        for i in 1 2 3; do
+          python3 -m pip install -q -r requirements-dev.txt && break
+          echo "pip install requirements-dev.txt 失败，重试 $i/3..."
+          [ $i -eq 3 ] && exit 1
+          sleep 5
+        done
+    - name: Run mypy type check
+      shell: bash
+      run: bash scripts/ci/validate_mypy.sh
+    - name: CI failure notification
+      if: failure()
+      shell: sh
+      env:
+        GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
+        CI_WEBHOOK_URL: ${{ secrets.CI_WEBHOOK_URL }}
+      run: |
+        set +e
+        FAILED_JOB="Validate - Type Check (mypy)" python3 scripts/ci_notify_failure.py
+    - name: Job duration summary
+      if: always()
+      shell: sh
+      run: bash scripts/ci/step_timer_end.sh
+    - name: Notify on failure
+      continue-on-error: true
+      if: failure()
+      shell: sh
+      env:
+        CI_NOTIFY_WEBHOOK: ${{ secrets.CI_NOTIFY_WEBHOOK }}
+      run: |
+        set +e
+        NOTIFY_MODE=failure JOB_NAME="Validate - Type Check (mypy)" python3 scripts/ci_notify.py
+    - name: Report CI trace
+      if: always()
+      shell: sh
+      env:
+        AGENTLOOP_LICENSE_KEY: ${{ secrets.AGENTLOOP_LICENSE_KEY }}
+      run: |
+        STATUS="ok"
+        [ ${{ job.status }} = "success" ] || STATUS="error"
+        START_TIME=""
+        [ -f /tmp/ci_job_start_time ] && START_TIME=$(cat /tmp/ci_job_start_time)
+        python3 scripts/ci/ci_trace_report.py --service xiaoxia-saas-ci --status $STATUS --start-time "$START_TIME" || true
+
+  validate-migration:
+    name: Validate - Migration (alembic)
+    runs-on: ci-l2
+    timeout-minutes: 8
+    permissions:
+      contents: read
+    env:
+      DATABASE_URL: postgresql+psycopg://postgres:postgres@host.docker.internal:5432/xiaoxia_saas
+      USE_IN_MEMORY_DB: 'false'
+      CI_USE_SHARED_PG: 'true'
+    steps:
+    - name: Checkout code
+      shell: sh
+      env:
+        GITHUB_TOKEN: ${{ github.token }}
+      run: |
+        curl -sH "Authorization: token $GITHUB_TOKEN"           "${GITHUB_API_URL}/repos/${GITHUB_REPOSITORY}/raw/scripts/ci/step_checkout.sh?ref=${GITHUB_SHA}"           | bash
+    - name: Record job start time
+      shell: sh
+      run: bash scripts/ci/step_timer_start.sh
+    - name: Install dependencies
+      shell: sh
+      run: |
+        set -eu
+        for i in 1 2 3; do
+          python3 -m pip install -q -r requirements-base.txt && break
+          echo "pip install requirements-base.txt 失败，重试 $i/3..."
+          [ $i -eq 3 ] && exit 1
+          sleep 5
+        done
+        for i in 1 2 3; do
+          python3 -m pip install -q -r requirements.txt && break
+          echo "pip install requirements.txt 失败，重试 $i/3..."
+          [ $i -eq 3 ] && exit 1
+          sleep 5
+        done
+        for i in 1 2 3; do
+          python3 -m pip install -q -r requirements-dev.txt && break
+          echo "pip install requirements-dev.txt 失败，重试 $i/3..."
+          [ $i -eq 3 ] && exit 1
+          sleep 5
+        done
+    - name: Run alembic migration validation
+      shell: bash
+      run: bash scripts/ci/validate_migration.sh
+    - name: CI failure notification
+      if: failure()
+      shell: sh
+      env:
+        GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
+        CI_WEBHOOK_URL: ${{ secrets.CI_WEBHOOK_URL }}
+      run: |
+        set +e
+        FAILED_JOB="Validate - Migration (alembic)" python3 scripts/ci_notify_failure.py
+    - name: Job duration summary
+      if: always()
+      shell: sh
+      run: bash scripts/ci/step_timer_end.sh
+    - name: Notify on failure
+      continue-on-error: true
+      if: failure()
+      shell: sh
+      env:
+        CI_NOTIFY_WEBHOOK: ${{ secrets.CI_NOTIFY_WEBHOOK }}
+      run: |
+        set +e
+        NOTIFY_MODE=failure JOB_NAME="Validate - Migration (alembic)" python3 scripts/ci_notify.py
+    - name: Report CI trace
+      if: always()
+      shell: sh
+      env:
+        AGENTLOOP_LICENSE_KEY: ${{ secrets.AGENTLOOP_LICENSE_KEY }}
+      run: |
+        STATUS="ok"
+        [ ${{ job.status }} = "success" ] || STATUS="error"
+        START_TIME=""
+        [ -f /tmp/ci_job_start_time ] && START_TIME=$(cat /tmp/ci_job_start_time)
+        python3 scripts/ci/ci_trace_report.py --service xiaoxia-saas-ci --status $STATUS --start-time "$START_TIME" || true
+
   unit-tests:
     needs: check-frontend-only
     if: always() && needs.check-frontend-only.outputs.skip_backend != 'true'
diff --git a/scripts/ci/validate_code_quality.sh b/scripts/ci/validate_code_quality.sh
new file mode 100644
index 000000000..22b83f294
--- /dev/null
+++ b/scripts/ci/validate_code_quality.sh
@@ -0,0 +1,186 @@
+#!/bin/bash
+# CI Validate: 代码质量与安全扫描（并行Job 1/3）
+# 包含：密钥扫描、格式检查、安全扫描、依赖漏洞、死代码检测、脚本语法校验
+set -eu
+
+echo "=== CI Validate: 代码质量与安全扫描 ==="
+
+# --- 密钥检测 ---
+echo ""
+echo "=== [1/6] Secret detection (detect-secrets) ==="
+python3 -m pip install -q detect-secrets
+detect-secrets --version
+
+detect-secrets scan \
+  --all-files \
+  --exclude-files '(^|/)(tests|test|e2e|__tests__|spec|docs|node_modules|site-packages|migrations|alembic|.gitea|.git|.pytest_cache|.next|dist|build)/' \
+  --exclude-files '\.(md|rst|txt|lock|example|sample|min\.js|min\.css|spec\.ts|test\.ts|test\.py)$' \
+  --exclude-files '(package-lock|yarn\.lock|poetry\.lock|Pipfile\.lock)$' \
+  --disable-plugin Base64HighEntropyString \
+  --disable-plugin HexHighEntropyString \
+  --disable-plugin BasicAuthDetector \
+  --disable-plugin KeywordDetector \
+  --disable-plugin IPPublicDetector \
+  > /tmp/secrets-scan.json 2>&1
+
+FOUND=$(python3 -c "
+import json
+try:
+    with open('/tmp/secrets-scan.json') as f:
+        data = json.load(f)
+    results = data.get('results', {})
+    total = sum(len(v) for v in results.values())
+    print(total)
+except Exception:
+    print('error')
+")
+
+echo "Secrets detected: $FOUND"
+if [ "$FOUND" != "0" ] && [ "$FOUND" != "error" ]; then
+  echo ""
+  echo "=== Secret details ==="
+  python3 -c "
+import json
+with open('/tmp/secrets-scan.json') as f:
+    data = json.load(f)
+for fpath, items in data.get('results', {}).items():
+    for item in items:
+        line = item.get('line_number', '?')
+        stype = item.get('type', '?')
+        hashed = item.get('hashed_secret', '')[:16]
+        print(f'  {fpath}:{line} [{stype}] {hashed}...')
+"
+  echo ""
+  echo "ERROR: Potential secrets detected in code!"
+  exit 1
+fi
+echo "✅ Secret scan passed"
+
+# --- 增量/全量模式判断 ---
+echo ""
+echo "=== [2/6] Code quality checks ==="
+SCAN_MODE="full"
+CHANGED_PY_FILES=""
+
+if [ "${GITHUB_EVENT_NAME:-}" = "pull_request" ] && [ -n "${GITHUB_REF_NAME:-}" ] && [ -n "${GITHUB_TOKEN:-}" ]; then
+  PR_NUMBER=$(echo "$GITHUB_REF" | sed 's|refs/pull/||; s|/.*||')
+  API_URL="${GITHUB_API_URL}/repos/${GITHUB_REPOSITORY}/pulls/${PR_NUMBER}/files?limit=100"
+  set +e
+  RESPONSE=$(curl -s -w "\n%{http_code}" -H "Authorization: token ${GITHUB_TOKEN}" "$API_URL")
+  HTTP_CODE=$(echo "$RESPONSE" | tail -n1)
+  BODY=$(echo "$RESPONSE" | sed '$d')
+  set -e
+  if [ "$HTTP_CODE" = "200" ]; then
+    CHANGED_PY_FILES=$(echo "$BODY" | python3 -c "
+import json, sys
+try:
+    files = json.load(sys.stdin)
+    py_files = [f['filename'] for f in files if f['filename'].endswith('.py') and f['status'] != 'removed']
+    print(' '.join(py_files))
+except Exception:
+    print('')
+")
+    if [ -n "$CHANGED_PY_FILES" ]; then
+      SCAN_MODE="incremental"
+      echo "Incremental mode: $(echo "$CHANGED_PY_FILES" | wc -w) Python files changed"
+    else
+      SCAN_MODE="skip_py"
+      echo "No Python files changed in this PR"
+    fi
+  else
+    echo "WARN: API returned HTTP $HTTP_CODE, falling back to full scan"
+  fi
+else
+  echo "Full scan mode (not a PR event)"
+fi
+
+if [ "$SCAN_MODE" = "incremental" ]; then
+  # 防御性过滤
+  EXISTING_PY_FILES=""
+  for f in $CHANGED_PY_FILES; do
+    if [ -f "$f" ]; then
+      if [ -z "$EXISTING_PY_FILES" ]; then
+        EXISTING_PY_FILES="$f"
+      else
+        EXISTING_PY_FILES="$EXISTING_PY_FILES $f"
+      fi
+    fi
+  done
+  CHANGED_PY_FILES="$EXISTING_PY_FILES"
+
+  python3 -m compileall -q $CHANGED_PY_FILES
+  python3 -m black --check --fast $CHANGED_PY_FILES
+  python3 -m isort --check-only $CHANGED_PY_FILES
+  RUFF_FILES=$(echo "$CHANGED_PY_FILES" | tr ' ' '\n' | grep -v '^scripts/' | grep -v '^$' | xargs)
+  if [ -n "$RUFF_FILES" ]; then
+    python3 -m ruff check $RUFF_FILES --statistics
+  else
+    echo "No ruff-checkable files changed, skipping"
+  fi
+elif [ "$SCAN_MODE" = "skip_py" ]; then
+  echo "No Python files changed - skipping Python lint checks"
+else
+  echo "Full scan mode"
+  python3 -m compileall -q alembic apps packages tests scripts
+  python3 -m black --check --fast alembic apps packages tests scripts
+  python3 -m isort --check-only alembic apps packages tests scripts
+  python3 -m ruff check apps packages tests --statistics
+fi
+echo "✅ Code quality checks passed"
+
+# --- Bandit 安全扫描（仅告警） ---
+echo ""
+echo "=== [3/6] Security scan (bandit, advisory only) ==="
+set +e
+bandit -r apps packages -q -ll
+BANDIT_EXIT=$?
+set -e
+if [ "$BANDIT_EXIT" -ne 0 ]; then
+  echo "⚠️  Bandit found security issues (advisory mode - not blocking CI)"
+else
+  echo "✅ Bandit security scan passed"
+fi
+
+# --- Pip-audit 依赖漏洞扫描（仅告警） ---
+echo ""
+echo "=== [4/6] Python dependency vulnerability scan (pip-audit, advisory only) ==="
+python3 -m pip install -q pip-audit
+pip-audit --version
+EXIT_CODE=0
+for req_file in requirements.txt requirements-base.txt requirements-dev.txt; do
+  if [ -f "$req_file" ]; then
+    echo "--- Scanning $req_file ---"
+    pip-audit -r "$req_file" --desc on 2>&1 | head -40 || EXIT_CODE=$?
+    echo ""
+  fi
+done
+echo "pip-audit scan completed (advisory mode - warnings only, not blocking CI)"
+
+# --- Vulture 死代码检测（仅告警） ---
+echo ""
+echo "=== [5/6] Dead code detection (vulture, advisory only) ==="
+set +e
+python3 -m pip install -q vulture
+vulture --version
+echo "告警模式，不阻断CI。置信度>=90%建议尽快确认。"
+echo ""
+vulture apps packages scripts \
+  --exclude "tests,test,migrations,.gitea,docs,node_modules,site-packages,*/test_*.py,*/conftest.py" \
+  --min-confidence 70 \
+  2>&1 | sort -t'(' -k2 -rn | head -80
+echo ""
+echo "=== vulture scan summary ==="
+echo "发现潜在死代码（可能包含框架装饰器注册的函数，为误报）"
+echo "建议：定期人工审查高置信度（>=90%）条目"
+set -e
+
+# --- Release 脚本语法校验 ---
+echo ""
+echo "=== [6/6] Release scripts syntax validation ==="
+bash -n scripts/backup_postgres.sh
+bash -n scripts/restore_postgres_plan.sh
+bash -n scripts/init_production_env.sh
+echo "✅ Release scripts syntax OK"
+
+echo ""
+echo "=== CI Validate: 代码质量与安全扫描 全部通过 ✅ ==="
diff --git a/scripts/ci/validate_migration.sh b/scripts/ci/validate_migration.sh
new file mode 100644
index 000000000..998dc1651
--- /dev/null
+++ b/scripts/ci/validate_migration.sh
@@ -0,0 +1,182 @@
+#!/bin/bash
+# CI Validate: Alembic迁移验证（并行Job 3/3）
+# 需要PostgreSQL数据库
+set -eu
+
+echo "=== CI Validate: Alembic迁移验证 ==="
+
+# --- DooD模式检测：确定宿主机访问地址 ---
+detect_docker_host() {
+  local test_port="${1:-5432}"
+
+  local candidates=()
+
+  # 1. host.docker.internal
+  if python3 -c "import socket; socket.gethostbyname('host.docker.internal')" 2>/dev/null; then
+    candidates+=("host.docker.internal")
+  fi
+
+  # 2. docker0 桥接网关
+  candidates+=("172.17.0.1")
+
+  # 3. 默认网关
+  local gw=""
+  gw=$(ip route 2>/dev/null | grep default | awk '{print $3}' | head -1)
+  if [ -n "$gw" ] && [ "$gw" != "127.0.0.1" ]; then
+    candidates+=("$gw")
+  fi
+
+  # 4. 宿主机同网段的.1或.254
+  local my_ip=""
+  my_ip=$(hostname -I 2>/dev/null | awk '{print $1}')
+  if [ -n "$my_ip" ]; then
+    local subnet=$(echo "$my_ip" | cut -d. -f1-3)
+    candidates+=("${subnet}.1")
+    candidates+=("${subnet}.254")
+  fi
+
+  # 5. 127.0.0.1 最后尝试
+  candidates+=("127.0.0.1")
+
+  for candidate in "${candidates[@]}"; do
+    if python3 -c "
+import socket
+s = socket.socket()
+s.settimeout(2)
+try:
+    s.connect(('$candidate', $test_port))
+    s.close()
+    print('ok')
+except:
+    pass
+" 2>/dev/null | grep -q ok; then
+      echo "$candidate"
+      return 0
+    fi
+  done
+
+  echo "127.0.0.1"
+  return 1
+}
+
+# 获取宿主机IP
+if [ -S /var/run/docker.sock ]; then
+  DOCKER_HOST_IP=$(detect_docker_host 5433)
+  if [ "$DOCKER_HOST_IP" = "127.0.0.1" ]; then
+    DOCKER_HOST_IP=$(detect_docker_host 22)
+  fi
+  echo "检测到DooD模式，宿主机地址: $DOCKER_HOST_IP"
+else
+  DOCKER_HOST_IP="127.0.0.1"
+  echo "非DooD模式，使用 127.0.0.1"
+fi
+PG_HOST="$DOCKER_HOST_IP"
+echo "PG host: $PG_HOST"
+
+# 指数退避TCP连接检查
+wait_tcp_ready() {
+  local host="$1"
+  local port="$2"
+  local max_attempts="${3:-5}"
+  local delay=1
+  local attempt=1
+  while [ "$attempt" -le "$max_attempts" ]; do
+    if python3 -c "import socket; s=socket.socket(); s.settimeout(3); s.connect(('$host', $port)); s.close()" 2>/dev/null; then
+      return 0
+    fi
+    echo "TCP连接尝试 $attempt/$max_attempts 失败，${delay}s后重试..."
+    sleep "$delay"
+    delay=$((delay * 2))
+    attempt=$((attempt + 1))
+  done
+  return 1
+}
+
+USE_SHARED_PG="${CI_USE_SHARED_PG:-false}"
+
+if [ "$USE_SHARED_PG" = "true" ]; then
+  # 使用常驻共享PG实例
+  echo "使用常驻共享PG实例（CI_USE_SHARED_PG=true）"
+  SHARED_PG_HOST="$PG_HOST"
+  SHARED_PG_PORT="5433"
+  SHARED_PG_USER="postgres"
+  SHARED_PG_PASSWORD="ci_pg_2026!"
+  CI_DB_NAME="ci_run_${GITHUB_RUN_ID:-$$}"
+
+  echo "等待共享PG连接就绪..."
+  wait_tcp_ready "$SHARED_PG_HOST" "$SHARED_PG_PORT" 5
+
+  echo "创建测试数据库: $CI_DB_NAME"
+  PGPASSWORD="$SHARED_PG_PASSWORD" python3 -c "
+import psycopg2
+conn = psycopg2.connect(host='$SHARED_PG_HOST', port=$SHARED_PG_PORT, user='$SHARED_PG_USER', password='$SHARED_PG_PASSWORD', dbname='postgres')
+conn.autocommit = True
+cur = conn.cursor()
+cur.execute(f'CREATE DATABASE \"$CI_DB_NAME\"')
+cur.close()
+conn.close()
+"
+  export DATABASE_URL="postgresql+psycopg://${SHARED_PG_USER}:${SHARED_PG_PASSWORD}@${SHARED_PG_HOST}:${SHARED_PG_PORT}/${CI_DB_NAME}"
+  echo "✅ 共享PG数据库已创建: $CI_DB_NAME"
+
+  # 执行迁移
+  PYTHONPATH="$PWD/apps/api:$PWD" python3 -m alembic upgrade head
+  echo "✅ Alembic migrations applied successfully"
+
+  # 清理数据库
+  echo "清理测试数据库: $CI_DB_NAME"
+  PGPASSWORD="$SHARED_PG_PASSWORD" python3 -c "
+import psycopg2
+conn = psycopg2.connect(host='$SHARED_PG_HOST', port=$SHARED_PG_PORT, user='$SHARED_PG_USER', password='$SHARED_PG_PASSWORD', dbname='postgres')
+conn.autocommit = True
+cur = conn.cursor()
+cur.execute(f'DROP DATABASE IF EXISTS \"$CI_DB_NAME\" WITH (FORCE)')
+cur.close()
+conn.close()
+" 2>/dev/null || echo "WARN: 数据库清理失败"
+  echo "✅ 共享PG数据库已清理"
+else
+  # 使用临时PG容器（默认模式）
+  echo "使用临时PG容器模式"
+  PG_CONTAINER=ci-pg-validate-migration-${GITHUB_RUN_ID:-$$}
+  docker rm -f "$PG_CONTAINER" 2>/dev/null || true
+  docker run -d --name "$PG_CONTAINER" \
+    --shm-size=256m \
+    -e POSTGRES_USER=postgres \
+    -e POSTGRES_PASSWORD=postgres \
+    -e POSTGRES_DB=xiaoxia_saas \
+    -P \
+    --health-cmd "pg_isready -U postgres" \
+    --health-interval 3s \
+    --health-timeout 3s \
+    --health-retries 20 \
+    postgres:16-alpine
+  PG_PORT=$(docker port "$PG_CONTAINER" 5432/tcp | cut -d: -f2)
+  echo "PostgreSQL port: $PG_PORT"
+  export DATABASE_URL="postgresql+psycopg://postgres:postgres@${PG_HOST}:${PG_PORT}/xiaoxia_saas"
+
+  # 等待容器健康
+  for i in $(seq 1 30); do
+    if docker inspect --format='{{.State.Health.Status}}' "$PG_CONTAINER" 2>/dev/null | grep -q healthy; then
+      echo "PostgreSQL container is healthy on port $PG_PORT"
+      break
+    fi
+    echo "Waiting for PostgreSQL container health... ($i/30)"
+    sleep 2
+  done
+  docker inspect --format='{{.State.Health.Status}}' "$PG_CONTAINER" | grep -q healthy
+
+  # TCP连通性检查
+  echo "验证TCP连通性 ($PG_HOST:$PG_PORT)..."
+  wait_tcp_ready "$PG_HOST" "$PG_PORT" 5
+  echo "TCP connectivity to PostgreSQL confirmed on port $PG_PORT"
+
+  # 执行迁移
+  PYTHONPATH="$PWD/apps/api:$PWD" python3 -m alembic upgrade head
+  echo "✅ Alembic migrations applied successfully"
+
+  docker rm -f "$PG_CONTAINER" 2>/dev/null || true
+fi
+
+echo ""
+echo "=== CI Validate: Alembic迁移验证 通过 ✅ ==="
diff --git a/scripts/ci/validate_mypy.sh b/scripts/ci/validate_mypy.sh
new file mode 100644
index 000000000..645776828
--- /dev/null
+++ b/scripts/ci/validate_mypy.sh
@@ -0,0 +1,10 @@
+#!/bin/bash
+# CI Validate: Mypy类型检查（并行Job 2/3）
+set -eu
+
+echo "=== CI Validate: Mypy类型检查 ==="
+
+bash scripts/ci/mypy_check.sh
+
+echo ""
+echo "=== CI Validate: Mypy类型检查 通过 ✅ ==="