chore: 清除 zsh 残留，声明式 git 身份与 SSH config

- 移除所有 zsh 引用，补全 fish 迁移
- git.nix: 声明 userName/userEmail，删除 credential.helper store 和内网 sslVerify
- 新增 programs.ssh 声明式配置（id_ed25519, addKeysToAgent）
- 简化 install.sh 为 darwin/nixos 双平台

.vscode/extensions.json

@@ -0,0 +1,3 @@
+{
+	"recommendations": ["jnoortheen.nix-ide"]
+}

home/dev/git.nix

@@ -3,10 +3,8 @@
 {
   programs.git = {
     enable = true;
-
-    # user.name / user.email: set per-user via git config or ~/.zshrc.local
-    #   git config --global user.name "Your Name"
-    #   git config --global user.email "your@email.com"
+    userName = "imbytecat";
+    userEmail = "imbytecat@gmail.com";
 
     delta = {
       enable = true;
@@ -14,15 +12,10 @@
         navigate = true;
         side-by-side = true;
         line-numbers = true;
-        hyperlinks = true;
       };
     };
 
     extraConfig = {
-      # Internal Git server (skip SSL verification)
-      http."https://202.127.0.42:32443".sslVerify = false;
-
-      credential.helper = "store";
       merge.conflictstyle = "zdiff3";
       pull.rebase = true;
       push.autoSetupRemote = true;
@@ -33,7 +26,6 @@
     };
   };
 
-  # ── Lazygit ──────────────────────────────────────────
   programs.lazygit = {
     enable = true;
     settings = {
@@ -41,19 +33,20 @@
         nerdFontsVersion = "3";
         showBottomLine = false;
       };
-      git.paging = {
-        pager = "delta --paging=never";
-      };
+      git.paging.pager = "delta --paging=never";
       update.method = "never";
       disableStartupPopups = true;
     };
   };
 
-  # ── GitHub CLI ───────────────────────────────────────
   programs.gh = {
     enable = true;
-    settings = {
-      git_protocol = "ssh";
+    settings.git_protocol = "ssh";
   };
+
+  programs.ssh = {
+    enable = true;
+    addKeysToAgent = "yes";
+    matchBlocks."*".identityFile = "~/.ssh/id_ed25519";
   };
 }

home/shell/fish.nix

@@ -1,4 +1,4 @@
-{ pkgs, lib, ... }:
+{ ... }:
 
 {
   programs.fish = {
@@ -38,7 +38,7 @@
       # mise
       mise activate fish | source
 
-      # Sudo: double Escape to prepend sudo (like zsh sudo plugin)
+      # Sudo: double Escape to prepend sudo
       bind \e\e 'fish_commandline_prepend sudo'
 
       # Platform-specific rebuild command

home/theme.nix

@@ -4,7 +4,6 @@
   catppuccin = {
     enable = true;
     flavor = "mocha";
-    # Automatically themes all supported programs that are enabled:
-    # bat, btop, delta, fzf, lazygit, starship, tmux, zsh-syntax-highlighting, etc.
+    # Automatically themes: bat, btop, delta, fish, fzf, lazygit, starship, tmux, etc.
   };
 }

scripts/install.sh

@@ -1,51 +1,23 @@
 #!/bin/bash
-# NixOS / standalone Home Manager 安装脚本
 set -euo pipefail
 
 REPO_URL="https://git.furtherverse.com/imbytecat/nix-config.git"
 CONFIG_DIR="$HOME/.config/nix-config"
-FLAKE_TARGET="${1:-wsl}" # wsl (default), bare, or home
 
-echo "📥 获取配置仓库..."
 if [[ -d "$CONFIG_DIR/.git" ]]; then
-    echo "⏩ 仓库已存在，拉取最新..."
     git -C "$CONFIG_DIR" pull
 else
     git clone "$REPO_URL" "$CONFIG_DIR"
 fi
 
-echo "⚙️ 应用配置（目标: $FLAKE_TARGET）..."
-
-case "$FLAKE_TARGET" in
-    wsl|bare)
-        sudo nixos-rebuild switch --flake "$CONFIG_DIR#$FLAKE_TARGET"
-        echo ""
-        echo "🎉 安装完成！请重新登录以使用 zsh。"
-        echo ""
-        echo "后续更新："
-        echo "  cd $CONFIG_DIR && git pull && sudo nixos-rebuild switch --flake .#$FLAKE_TARGET"
+case "$(uname)" in
+    Darwin)
+        TARGET="${1:?Usage: $0 <mac-mini|macbook-air>}"
+        darwin-rebuild switch --flake "$CONFIG_DIR#$TARGET"
         ;;
-    home)
-        # Standalone home-manager（非 NixOS 系统：Ubuntu、Fedora、macOS 等）
-        HM_USER="$(whoami)"
-        if ! command -v home-manager &>/dev/null; then
-            echo "📦 首次运行 home-manager..."
-            nix run home-manager/master -- switch --flake "$CONFIG_DIR#$HM_USER"
-        else
-            home-manager switch --flake "$CONFIG_DIR#$HM_USER"
-        fi
-        echo ""
-        echo "🎉 Home Manager 配置已应用！"
-        echo ""
-        echo "后续更新："
-        echo "  cd $CONFIG_DIR && git pull && home-manager switch --flake .#$HM_USER"
-        ;;
-    *)
-        echo "❌ 未知目标: $FLAKE_TARGET"
-        echo "用法: $0 [wsl|bare|home]"
-        echo "  wsl  — NixOS on WSL (默认)"
-        echo "  bare — NixOS 裸机"
-        echo "  home — 独立 Home Manager (非 NixOS)"
-        exit 1
+    Linux)
+        sudo nixos-rebuild switch --flake "$CONFIG_DIR#wsl"
         ;;
 esac
+
+echo "Done! Restart your shell."