feat: 配置 Hyprland 桌面环境、Noctalia Shell 与 Ghostty 终端，切换至 Lua 配置模式

configuration.nix

@@ -71,6 +71,7 @@
   services.xserver.enable = true;
   services.displayManager.sddm.enable = true;
   services.desktopManager.plasma6.enable = true;
+  programs.hyprland.enable = true;
   security.pam.services.login.kwallet = {
     enable = true;
     forceRun = true;
@@ -87,17 +88,29 @@
     noto-fonts
     noto-fonts-cjk-sans
     noto-fonts-cjk-serif
-    sarasa-gothic  # 更纱黑体，极其适合终端和编程
+    sarasa-gothic  # 更纱黑体
+    lxgw-wenkai    # 霞鹜文楷，非常漂亮的楷体
     wqy_microhei
     wqy_zenhei
+    nerd-fonts.symbols-only # 补全终端图标
   ];
   fonts.fontconfig = {
     enable = true;
     defaultFonts = {
-      serif = [ "Noto Serif CJK SC" "Noto Serif" ];
+      serif = [ "Noto Serif CJK SC" "LXGW WenKai" "Noto Serif" ];
       sansSerif = [ "Noto Sans CJK SC" "Noto Sans" ];
       monospace = [ "Sarasa Term SC" "Noto Sans Mono CJK SC" ];
+      emoji = [ "Noto Color Emoji" ];
     };
+    # 针对楷体的 fallback 专门配置
+    localConf = ''
+      <alias>
+        <family>kaiti</family>
+        <prefer>
+          <family>LXGW WenKai</family>
+        </prefer>
+      </alias>
+    '';
     antialias = true;
     hinting.enable = true;
     hinting.style = "slight";
@@ -117,6 +130,10 @@
 
   services.printing.enable = true;
   services.flatpak.enable = true;
+  services.upower.enable = true;
+  services.power-profiles-daemon.enable = true;
+  services.gnome.evolution-data-server.enable = true;
+  hardware.bluetooth.enable = true;
 
   # 压缩内存 swap，大小等于物理内存。
   zramSwap = {
@@ -144,6 +161,11 @@
   programs.nix-ld.enable = true;
   virtualisation.docker.enable = true;
   services.gnome.gnome-keyring.enable = true;
+  security.polkit.enable = true;
+  
+  # 确保 PAM 能够自动解锁 gnome-keyring
+  security.pam.services.login.enableGnomeKeyring = true;
+  security.pam.services.sddm.enableGnomeKeyring = true;
 
   # ── 系统级软件包 ────────────────────────────────────────────
   environment.systemPackages = with pkgs; [