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.

web/lib/navigation.tsx

@@ -211,6 +211,12 @@ export const dashboardNavSections: DashboardNavSectionConfig[] = [
         icon: <WorkflowIcon />,
         requiredPermission: "aiAgent.view",
       },
+      {
+        titleKey: "nav.agentRuns",
+        url: "/dashboard/agent-runs",
+        icon: <BotMessageSquareIcon />,
+        requiredPermission: "aiAgent.view",
+      },
     ],
   },
   {