Method ToMermaid

sdk/go/graph/graph.go:191–243

ToMermaid generates a Mermaid diagram

(focusTaskID string)

// ToMermaid generates a Mermaid diagram
func (g *Graph) ToMermaid(focusTaskID string) string {
	var sb strings.Builder
	sb.WriteString("graph TD\n")

	// Sort tasks by ID for consistent output
	sortedTasks := make([]*model.Task, len(g.Tasks))
	copy(sortedTasks, g.Tasks)
	sort.Slice(sortedTasks, func(i, j int) bool {
		return sortedTasks[i].ID < sortedTasks[j].ID
	})

	// Define nodes
	for _, task := range sortedTasks {
		nodeStyle := ""
		if task.ID == focusTaskID {
			nodeStyle = ":::focus"
		} else {
			switch task.Status {
			case model.StatusCompleted:
				nodeStyle = ":::completed"
			case model.StatusInProgress:
				nodeStyle = ":::inprogress"
			case model.StatusBlocked:
				nodeStyle = ":::blocked"
			}
		}

		// Escape special characters in title
		title := strings.ReplaceAll(task.Title, "\"", "&quot;")
		sb.WriteString(fmt.Sprintf("    %s[\"%s: %s\"]%s\n", task.ID, task.ID, title, nodeStyle))
	}

	// Define edges
	edges := make(map[string]bool) // Track unique edges
	for _, task := range sortedTasks {
		for _, depID := range task.Dependencies {
			edgeKey := depID + "->" + task.ID
			if !edges[edgeKey] {
				edges[edgeKey] = true
				sb.WriteString(fmt.Sprintf("    %s --> %s\n", depID, task.ID))
			}
		}
	}

	// Add styles
	sb.WriteString("\n")
	sb.WriteString("    classDef focus fill:#ff6b6b,stroke:#c92a2a,color:#fff\n")
	sb.WriteString("    classDef completed fill:#51cf66,stroke:#2f9e44,color:#000\n")
	sb.WriteString("    classDef inprogress fill:#ffd43b,stroke:#fab005,color:#000\n")
	sb.WriteString("    classDef blocked fill:#868e96,stroke:#495057,color:#fff\n")

	return sb.String()
}

// ToDot generates a Graphviz DOT format
func (g *Graph) ToDot(focusTaskID string) string {