Function buildFromTemplate

apps/cli/internal/cli/add.go:186–213

buildFromTemplate resolves a template, renders it with variables, and applies CLI flag overrides.

(cmd *cobra.Command, id, title string)

// buildFromTemplate resolves a template, renders it with variables, and applies CLI flag overrides.
func buildFromTemplate(cmd *cobra.Command, id, title string) (string, error) {
	projectRoot := resolveProjectRoot()
	userHome, _ := os.UserHomeDir()

	tmpl, ok := template.Resolve(addTemplate, projectRoot, userHome)
	if !ok {
		available := template.Discover(projectRoot, userHome)
		names := make([]string, len(available))
		for i, t := range available {
			names[i] = t.Name
		}
		return "", fmt.Errorf("template %q not found (available: %s)", addTemplate, strings.Join(names, ", "))
	}

	vars := map[string]string{
		"id":    id,
		"title": title,
		"date":  time.Now().Format("2006-01-02"),
	}

	content := template.RenderTask(tmpl, vars)

	// Apply CLI flag overrides (only for explicitly-set flags)
	overrides := buildTemplateOverrides(cmd)
	content = template.ApplyOverrides(content, overrides)

	return content, nil
}

// buildTemplateOverrides collects frontmatter overrides from explicitly-set CLI flags.
func buildTemplateOverrides(cmd *cobra.Command) map[string]string {