Merge upstream/main into subtle-ux-improvements

Resolves conflicts and converts new defer/undefer commands from
fatih/color to the lipgloss semantic color system.

Key changes:
- Added StatusDeferred case in graph.go with ui.RenderAccent
- Converted status.go to use ui package for colorized output
- Converted defer.go/undefer.go to use ui package
- Merged GroupID and Aliases for status command
- Updated pre-commit hook version to 0.31.0
- Ran go mod tidy to remove fatih/color dependency

cmd/bd/init.go

@@ -1489,7 +1489,19 @@ func setupGlobalGitIgnore(homeDir string, projectPath string, verbose bool) erro
 	// Write the updated ignore file
 	// #nosec G306 - config file needs 0644
 	if err := os.WriteFile(ignorePath, []byte(newContent), 0644); err != nil {
-		return fmt.Errorf("failed to write global gitignore: %w", err)
+		fmt.Printf("\nUnable to write to %s (file is read-only)\n\n", ignorePath)
+		fmt.Printf("To enable stealth mode, add these lines to your global gitignore:\n\n")
+		if !hasBeads || !hasClaude {
+			fmt.Printf("# Beads stealth mode: %s\n", projectPath)
+		}
+		if !hasBeads {
+			fmt.Printf("%s\n", beadsPattern)
+		}
+		if !hasClaude {
+			fmt.Printf("%s\n", claudePattern)
+		}
+		fmt.Println()
+		return nil
 	}
 
 	if verbose {