feat(FN-5227): add bulk controls for project agents

- Add project-scoped Pause All Agents and Resume All Agents actions to the AgentsView controls menu
- Load bulk-action eligibility on menu open and skip ephemeral or ineligible agents
- Surface bulk action confirmations, success/error toasts, and refresh agent state after updates
- Add dashboard tests and agent docs coverage for the new bulk controls

Fusion-Task-Id: FN-5227

packages/dashboard/app/components/ChatView.tsx

@@ -28,7 +28,7 @@ import { useChat, type ChatMessageInfo, type FailureInfo, type ToolCallInfo } fr
 import { useChatRooms } from "../hooks/useChatRooms";
 import { useChatUnread } from "../hooks/useChatUnread";
 import { useViewportMode } from "./Header";
-import { updateGlobalSettings } from "../api";
+import { updateGlobalSettings, type DiscoveredSkill } from "../api";
 import type { Agent } from "@fusion/core";
 import { CustomModelDropdown } from "./CustomModelDropdown";
 import { ProviderIcon } from "./ProviderIcon";