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.claude/hooks/pre_demo_protect.py

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+#!/usr/bin/env python3
+"""PreToolUse hook: 保护 demo-miniprogram 目录不被删除或移入 _DEL/"""
+import json, re, sys
+
+try:
+    data = json.load(sys.stdin)
+except Exception:
+    sys.exit(0)
+
+tool = data.get("tool_name", "")
+tool_input = data.get("tool_input") or {}
+
+DEMO_DIR = "demo-miniprogram"
+
+if tool == "Bash":
+    cmd = tool_input.get("command", "")
+    # 检查命令是否在对 demo-miniprogram 执行删除/移动操作
+    if DEMO_DIR in cmd and re.search(r"\b(rm|rmdir|del|move|mv)\b", cmd, re.IGNORECASE):
+        # 允许 mv 到非 _DEL 目录（如正常重命名），但阻止移入 _DEL
+        if re.search(r"\brm\b|\brmdir\b|\bdel\b", cmd, re.IGNORECASE) or "_DEL" in cmd:
+            print(json.dumps({
+                "decision": "block",
+                "reason": f"[demo-protect] apps/{DEMO_DIR}/ 禁止删除或移入 _DEL/。该目录是 UI 样式标杆校对基准。"
+            }))