refactor: 从 dcli 迁移到 decman 声明式配置管理

- 新增 source.py 统一声明包、系统文件和 dotfiles
- 简化 install.sh，由 decman 接管系统文件和 locale 配置
- 移除 dcli 配置（config.yaml、hosts/、modules/、state/）
- 添加 pyproject.toml 和 uv.lock 用于开发环境类型提示
- 更新 README.md 和 AGENTS.md 适配 decman 工作流

modules/base.yaml

@@ -1,18 +0,0 @@
----
-description: 基础工具
-packages:
-  - base-devel
-  - bat
-  - curl
-  - dcli-arch-git
-  - fd
-  - fzf
-  - git
-  - neovim
-  - ripgrep
-  - sudo
-  - trash-cli
-  - vim
-  - wget
-  - yay
-  - zoxide

modules/dev-tools.yaml

@@ -1,6 +0,0 @@
----
-description: 开发工具
-packages:
-  - bun
-  - mise
-  - nodejs

modules/zsh/dotfiles/.zshrc

@@ -1,30 +0,0 @@
-# Oh My Zsh
-ZSH=/usr/share/oh-my-zsh/
-ZSH_THEME="ys"
-plugins=(git)
-ZSH_CACHE_DIR=$HOME/.cache/oh-my-zsh
-if [[ ! -d $ZSH_CACHE_DIR ]]; then
-  mkdir $ZSH_CACHE_DIR
-fi
-source $ZSH/oh-my-zsh.sh
-source /usr/share/zsh/plugins/fzf-tab-git/fzf-tab.plugin.zsh
-source /usr/share/zsh/plugins/zsh-autosuggestions/zsh-autosuggestions.zsh
-source /usr/share/zsh/plugins/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh
-
-# bun
-export PATH="$HOME/.bun/bin:$PATH"
-
-# mise
-if command -v mise &> /dev/null; then
-    eval "$(mise activate zsh)"
-fi
-
-# zoxide
-if command -v zoxide &> /dev/null; then
-    eval "$(zoxide init zsh)"
-fi
-
-# Aliases
-alias cd="z"
-alias cdi="zi"
-alias rm="trash-put"

modules/zsh/module.yaml

@@ -1,7 +0,0 @@
----
-description: Zsh 及插件
-dotfiles:
-  - source: dotfiles/.zshrc
-    target: ~/.zshrc
-post_install_hook: set-default-shell.sh
-hook_behavior: once

modules/zsh/packages.yaml

@@ -1,8 +0,0 @@
----
-packages:
-  - fzf-tab-git
-  - oh-my-zsh-git
-  - zsh
-  - zsh-autosuggestions
-  - zsh-completions
-  - zsh-syntax-highlighting

modules/zsh/set-default-shell.sh

@@ -1,10 +0,0 @@
-#!/bin/bash
-set -euo pipefail
-
-if [ "$SHELL" != "$(which zsh)" ]; then
-    echo "==> 设置默认 shell 为 zsh..."
-    sudo chsh -s "$(which zsh)" "$USER"
-    echo "✓ 默认 shell 已设置为 zsh（重新登录后生效）"
-else
-    echo "默认 shell 已经是 zsh"
-fi