feat(github): add auto-conventional-commit hook with opencode integration

- Add prepare-commit-msg git hook that generates conventional commit messages
- Modularize fish configuration with separate conf.d files
- Convert configuration files from .text to .source format for structured data
- Add sops-nix SOPS configuration with explicit secret definitions
- Upgrade age identity to single key file management approach
- Add system activation script for age key management
- Generate .sops.yaml for SOPS creation rules
- Restructure README.md with improved table and cleaner formatting
- Refactor config files to use pkgs.formats.json/toml generators
- Implement YAML format for ashell and walker service configurations
- Update SSH config source to use sops secrets
- Convert zed and other config files to use structured .source format

system/core/boot.nix

@@ -4,8 +4,6 @@
   ...
 }: {
   boot = {
-    bootspec.enable = true;
-
     initrd.systemd.enable = true;
 
     supportedFilesystems = ["ntfs"];

system/core/limine.nix

@@ -1,20 +1,28 @@
 {
   lib,
+  config,
   pkgs,
   ...
-}: {
-  boot.loader = {
+}: let
+  cfg = config.boot.loader.limine;
+in {
+  options.boot.loader.limine.bootMode = lib.mkOption {
+    type = lib.types.enum ["bios" "uefi"];
+    default = "uefi";
+    description = "Boot mode: BIOS (MBR) or UEFI";
+  };
+
+  config.boot.loader = {
     limine = {
       enable = true;
-      efiSupport = true;
-      biosSupport = true;
-      biosDevice = "/dev/nvme1n1";
+      efiSupport = cfg.bootMode == "uefi";
+      biosSupport = cfg.bootMode == "bios";
+      biosDevice = lib.mkIf (cfg.bootMode == "bios") (lib.mkDefault "/dev/nvme1n1");
       maxGenerations = 10;
       style.wallpapers = [
         pkgs.nixos-artwork.wallpapers.simple-dark-gray-bootloader.gnomeFilePath
       ];
     };
-
     grub.enable = lib.mkForce false;
     systemd-boot.enable = lib.mkForce false;
   };