feat: cleanup.py + improved error messages

Makefile

@@ -1,6 +1,24 @@
-.PHONY: keys decrypt web build
+.PHONY: setup build keys decrypt web export all status clean help
 
 PYTHON ?= .venv/bin/python3
+export SHELL := /bin/bash
+
+help:
+	@echo "WeChat Decrypt — Makefile"
+	@echo ""
+	@echo "  make setup    一键安装所有依赖 + 编译 + 初始配置"
+	@echo "  make build    编译 macOS 密钥扫描器"
+	@echo "  make keys     提取密钥（需要 root）"
+	@echo "  make decrypt  提取密钥 + 解密全部数据库"
+	@echo "  make web      启动 Web UI（实时消息监听）"
+	@echo "  make export   解密 + 批量导出聊天记录"
+	@echo "  make all      从零到完成：setup → keys → decrypt → export"
+	@echo "  make status   显示当前数据状态和磁盘用量"
+	@echo "  make clean    交互式清理临时数据（解密库/导出/缓存）"
+	@echo ""
+
+setup:
+	@bash setup.sh
 
 build:
 	cc -O2 -o find_all_keys_macos find_all_keys_macos.c -framework Foundation
@@ -14,3 +32,15 @@ decrypt:
 
 web:
 	$(PYTHON) main.py
+
+export:
+	$(PYTHON) main.py export
+
+all:
+	$(PYTHON) main.py all
+
+status:
+	$(PYTHON) main.py status
+
+clean:
+	$(PYTHON) cleanup.py