feat(lazygit): add lazygit module with Claude-powered commit message generation

Author: MaxDaten

users/jloos/home.nix

@@ -65,6 +65,7 @@ in
     ./modules/ghostty.nix
     ./modules/zed.nix
     ./modules/zoxide.nix
+    ./modules/lazygit.nix
     ./modules/claude-code.nix
     ./modules/playwright-cli.nix
     ./modules/indie-consultant.nix
@@ -86,7 +87,6 @@ in
 
       peco
       git-ignore
-      lazygit
 
       # shell tools
       ripgrep

users/jloos/modules/lazygit.nix

@@ -0,0 +1,18 @@
+{ ... }:
+{
+  programs.lazygit = {
+    enable = true;
+    settings = {
+      customCommands = [
+        {
+          key = "<c-g>";
+          description = "Generate commit message with Claude";
+          context = "files";
+          loadingText = "Generating commit message...";
+          output = "terminal";
+          command = ''git diff --cached | claude -p "Generate a concise git commit message for this diff. Output ONLY the commit message, nothing else. Use conventional commit format." | git commit -F -'';
+        }
+      ];
+    };
+  };
+}