diff --git a/.gitea/workflows/pr-auto-scan.yml b/.gitea/workflows/pr-auto-scan.yml
index f362e74de..9cc92fa27 100644
--- a/.gitea/workflows/pr-auto-scan.yml
+++ b/.gitea/workflows/pr-auto-scan.yml
@@ -3,7 +3,7 @@ name: PR Auto Scan
 # 作为短作业模式的兜底，防止事件驱动遗漏
 on:
   schedule:
-    - cron: "*/10 * * * *"  # 每10分钟扫描一次（脚本自带240s墙钟上限，降频减负）
+    - cron: "*/15 * * * *"  # 每15分钟扫描一次（脚本自带240s墙钟上限，降频减负）
   workflow_dispatch:
 
 permissions:
diff --git a/scripts/ci/auto_approve.sh b/scripts/ci/auto_approve.sh
index 5736898f1..c5f50af31 100644
--- a/scripts/ci/auto_approve.sh
+++ b/scripts/ci/auto_approve.sh
@@ -28,15 +28,12 @@ if [ "$SKIP_BACKEND" = "true" ]; then
   CONTEXTS=("CI/CD Pipeline / Frontend Lint (pull_request)")
 else
   CONTEXTS=(
-    "CI/CD Pipeline / Validate - Code Quality (pull_request)"
-    "CI/CD Pipeline / Validate - Type Check (mypy) (pull_request)"
-    "CI/CD Pipeline / Validate - Migration (alembic) (pull_request)"
+    # CI 优化后 job 名称（2026-08）：Code Quality 拆分为 Style+Security，Type Check+Migration 合并为 Python
+    # 与 pr_auto_scan.py 的 REQUIRED_CONTEXTS_APPROVE 保持一致
+    "CI/CD Pipeline / Validate - Style (pull_request)"
+    "CI/CD Pipeline / Validate - Security (pull_request)"
+    "CI/CD Pipeline / Validate - Python (mypy + alembic) (pull_request)"
     "CI/CD Pipeline / Frontend Lint (pull_request)"
-    "CI/CD Pipeline / Unit Tests (pull_request)"
-    "CI/CD Pipeline / Frontend Unit Tests (pull_request)"
-    "CI/CD Pipeline / PR Build API Image (pull_request)"
-    "CI/CD Pipeline / PR Build Web Image (pull_request)"
-    "CI/CD Pipeline / PR Build Worker Image (pull_request)"
   )
 fi
 
@@ -154,3 +151,4 @@ done
 echo
 echo "⏰ 快速检查超时（2分钟），CI尚未完成，退出等待下次触发（workflow_run事件或5分钟定时扫描）"
 exit 0
+# CI trigger: 1788229333
\ No newline at end of file
diff --git a/scripts/ci/pr_auto_scan.py b/scripts/ci/pr_auto_scan.py
index fc422893e..37626c916 100644
--- a/scripts/ci/pr_auto_scan.py
+++ b/scripts/ci/pr_auto_scan.py
@@ -303,9 +303,10 @@ def main():
         "CI/CD Pipeline / CI Gate (pull_request)",
     ]
     REQUIRED_CONTEXTS_APPROVE = [
-        "CI/CD Pipeline / Validate - Code Quality (pull_request)",
-        "CI/CD Pipeline / Validate - Type Check (mypy) (pull_request)",
-        "CI/CD Pipeline / Validate - Migration (alembic) (pull_request)",
+        # CI 优化后 job 名称（2026-08）：Code Quality 拆分为 Style+Security，Type Check+Migration 合并为 Python
+        "CI/CD Pipeline / Validate - Style (pull_request)",
+        "CI/CD Pipeline / Validate - Security (pull_request)",
+        "CI/CD Pipeline / Validate - Python (mypy + alembic) (pull_request)",
         "CI/CD Pipeline / Frontend Lint (pull_request)",
     ]
     FRONTEND_ONLY_CONTEXT = [