Replace gitui with lazygit for better git TUI experience

- Replace gitui package with lazygit in flake.nix
- Update all project templates to launch lazygit instead of gitui
- Update README documentation with lazygit features and capabilities
- Maintain same tmux workflow and window layouts

Benefits of lazygit:
- More intuitive and user-friendly interface
- Better performance and responsiveness
- Enhanced file tree navigation with git status
- Comprehensive keyboard shortcuts and help system
- Active development with regular feature updates

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

README.md

@@ -287,14 +287,15 @@ Edit `config/projects.nix` and run `hms` to rebuild configuration.
 
 ### 🌟 Git Visualization
 
-**Tool**: gitui
+**Tool**: lazygit
-**Purpose**: Beautiful, interactive TUI for git operations
+**Purpose**: Simple terminal UI for git commands with intuitive interface
 
-Launch with `gitui` in any git repository for:
+Launch with `lazygit` in any git repository for:
-- Interactive commit graph visualization
+- Interactive commit graph and branch visualization
-- Diff viewing and staging
+- Streamlined staging, committing, and diff viewing
-- Branch management
+- Easy branch management and merging
-- Vim-like navigation (j/k for movement, h/l for tabs)
+- File tree navigation with git status
+- Intuitive keyboard shortcuts and help system
 
 ## 📦 Included Packages
 

flake.nix

@@ -66,7 +66,7 @@
         claude-code.packages.aarch64-darwin.claude-code
         nerd-fonts.fira-code
         nerd-fonts.jetbrains-mono
-        gitui
+        lazygit
         ncdu
         git-credential-oauth
       ];

scripts/templates/basic.sh

@@ -25,7 +25,7 @@ tmux split-window -t $SESSION_NAME:2 -h -c "$CODE_PATH"
 tmux split-window -t $SESSION_NAME:2.2 -v -c "$CODE_PATH"
 tmux select-pane -t $SESSION_NAME:2.1
 tmux new-window -t $SESSION_NAME:3 -n "git" -c "$CODE_PATH"
-tmux send-keys -t $SESSION_NAME:3 "gitui" C-m
+tmux send-keys -t $SESSION_NAME:3 "lazygit" C-m
 tmux new-window -t $SESSION_NAME:4 -n "shell" -c "$CODE_PATH"
 
 tmux select-window -t $SESSION_NAME:1

scripts/templates/content.sh

@@ -27,7 +27,7 @@ tmux split-window -t $SESSION_NAME:2 -h -c "$CODE_PATH"
 tmux split-window -t $SESSION_NAME:2.2 -v -c "$CODE_PATH"
 tmux select-pane -t $SESSION_NAME:2.1
 tmux new-window -t $SESSION_NAME:3 -n "git" -c "$CODE_PATH"
-tmux send-keys -t $SESSION_NAME:3 "gitui" C-m
+tmux send-keys -t $SESSION_NAME:3 "lazygit" C-m
 
 # Create windows for content
 tmux new-window -t $SESSION_NAME:4 -n "content-ai" -c "$CONTENT_PATH"

scripts/templates/research.sh

@@ -29,7 +29,7 @@ tmux split-window -t $SESSION_NAME:2 -h -c "$CODE_PATH"
 tmux split-window -t $SESSION_NAME:2.2 -v -c "$CODE_PATH"
 tmux select-pane -t $SESSION_NAME:2.1
 tmux new-window -t $SESSION_NAME:3 -n "code-git" -c "$CODE_PATH"
-tmux send-keys -t $SESSION_NAME:3 "gitui" C-m
+tmux send-keys -t $SESSION_NAME:3 "lazygit" C-m
 
 # Create windows for paper
 tmux new-window -t $SESSION_NAME:4 -n "paper" -c "$PAPER_PATH"
@@ -41,7 +41,7 @@ tmux split-window -t $SESSION_NAME:5 -h -c "$PAPER_PATH"
 tmux split-window -t $SESSION_NAME:5.2 -v -c "$PAPER_PATH"
 tmux select-pane -t $SESSION_NAME:5.1
 tmux new-window -t $SESSION_NAME:6 -n "paper-git" -c "$PAPER_PATH"
-tmux send-keys -t $SESSION_NAME:6 "gitui" C-m
+tmux send-keys -t $SESSION_NAME:6 "lazygit" C-m
 
 # Create remote server window if server details are provided
 if [ -n "$SERVER" ] && [ -n "$REMOTE_DIR" ]; then