feat: 1Password SSH agent auto-setup and SSH config template

- Add 1Password SSH agent socket symlink creation in setup.sh
- Copy ssh/example template to ~/.ssh/config on fresh install
- Update Brewfile with additional packages (bun, pnpm, qq, teamviewer, etc.)
- Update documentation (CHECKLIST, MIGRATION_GUIDE, README)

Brewfile

@@ -1,8 +1,8 @@
 tap "anomalyco/tap"
 tap "farion1231/ccswitch"
 tap "minio/stable"
+tap "oven-sh/bun"
 tap "vitobotta/tap"
-brew "act"
 brew "argocd"
 brew "asciinema"
 brew "autojump"
@@ -43,8 +43,8 @@ brew "neovim"
 brew "nexttrace"
 brew "ripgrep"
 brew "opencode"
+brew "pnpm"
 brew "postgresql@17", restart_service: :changed
-brew "rclone"
 brew "redis", restart_service: :changed
 brew "rustup"
 brew "starship"
@@ -56,6 +56,7 @@ brew "wget"
 brew "xcbeautify"
 brew "zsh"
 brew "minio/stable/mc"
+brew "oven-sh/bun/bun"
 brew "vitobotta/tap/hetzner_k3s"
 cask "1password"
 cask "alacritty"
@@ -83,23 +84,29 @@ cask "notion"
 cask "obsidian"
 cask "only-switch"
 cask "orbstack"
+cask "qq"
 cask "raycast"
 cask "spotify"
 cask "stats"
+cask "teamviewer"
 cask "telegram"
 cask "typeless"
 cask "visual-studio-code@insiders"
 cask "wechat"
+cask "wechatwork"
+cask "wpsoffice-cn"
 mas "1Password for Safari", id: 1569813296
 mas "GarageBand", id: 682658836
 mas "iMovie", id: 408981434
 mas "Keynote", id: 409183694
 mas "Numbers", id: 409203825
 mas "Pages", id: 409201541
+vscode "alefragnani.project-manager"
 vscode "anthropic.claude-code"
 vscode "donjayamanne.githistory"
 vscode "dreamecho.git-blame-lens"
 vscode "eamodio.gitlens"
+vscode "esbenp.prettier-vscode"
 vscode "github.copilot-chat"
 vscode "golang.go"
 vscode "gruntfuggly.todo-tree"
@@ -115,6 +122,7 @@ vscode "openai.chatgpt"
 vscode "redhat.vscode-yaml"
 vscode "rust-lang.rust-analyzer"
 vscode "vscodevim.vim"
+vscode "vue.volar"
 vscode "wakatime.vscode-wakatime"
 go "rsc.io/2fa"
 go "golang.org/x/tools/cmd/callgraph"