feat: Enhance AI Agent and Channel Management

- Updated labels in the AI Agents dashboard for clarity, changing "流程状态" to "Playbook 状态" and "未发布流程" to "未发布 Playbook".
- Introduced AI Agent rollout percentage management in channel editing, allowing users to set and rollback rollout percentages.
- Added new API endpoints for rolling back AI Agent rollout and fetching agent run metrics.
- Implemented new UI components for displaying agent run details, including status, duration, and input/output tokens.
- Enhanced type definitions for AdminChannel and AIAgent to include rollout percentages and runtime modes.
- Updated navigation to include a section for agent runs.
- Added new translations for agent run features in both English and Chinese.

internal/pkg/dto/response/ai_workflow_response.go

@@ -41,6 +41,13 @@ type AIWorkflowValidationResponse struct {
 	Errors []workflowvalidator.Error `json:"errors"`
 }
 
+type AIWorkflowTemplateResponse struct {
+	Code        string         `json:"code"`
+	Name        string         `json:"name"`
+	Description string         `json:"description"`
+	Definition  dsl.Definition `json:"definition"`
+}
+
 type AIWorkflowNodeSpecResponse struct {
 	Type                            string                          `json:"type"`
 	Title                           string                          `json:"title"`