fix(lint): prefix unused resolveSelfHealingManager destructuring with underscore

Resolve @typescript-eslint/no-unused-vars error in register-task-workflow-routes.ts.
The import is kept in deps for potential future use but prefixed to satisfy lint.

packages/dashboard/src/routes/register-task-workflow-routes.ts

@@ -187,7 +187,7 @@ export function registerTaskWorkflowRoutes(ctx: ApiRoutesContext, deps: TaskWork
     runGitCommand,
     trimTaskDetailActivityLog,
     triggerCommentWakeForAssignedAgent,
-    resolveSelfHealingManager,
+    resolveSelfHealingManager: _resolveSelfHealingManager,
   } = deps;
   const TASK_DETAIL_ACTIVITY_LOG_LIMIT = taskDetailActivityLogLimit;