feat(core, ui): Add /agents refresh command. (#16204)

packages/cli/src/ui/commands/agentsCommand.test.ts

@@ -82,4 +82,40 @@ describe('agentsCommand', () => {
       expect.any(Number),
     );
   });
+
+  it('should reload the agent registry when refresh subcommand is called', async () => {
+    const reloadSpy = vi.fn().mockResolvedValue(undefined);
+    mockConfig.getAgentRegistry = vi.fn().mockReturnValue({
+      reload: reloadSpy,
+    });
+
+    const refreshCommand = agentsCommand.subCommands?.find(
+      (cmd) => cmd.name === 'refresh',
+    );
+    expect(refreshCommand).toBeDefined();
+
+    const result = await refreshCommand!.action!(mockContext, '');
+
+    expect(reloadSpy).toHaveBeenCalled();
+    expect(result).toEqual({
+      type: 'message',
+      messageType: 'info',
+      content: 'Agents refreshed successfully.',
+    });
+  });
+
+  it('should show an error if agent registry is not available during refresh', async () => {
+    mockConfig.getAgentRegistry = vi.fn().mockReturnValue(undefined);
+
+    const refreshCommand = agentsCommand.subCommands?.find(
+      (cmd) => cmd.name === 'refresh',
+    );
+    const result = await refreshCommand!.action!(mockContext, '');
+
+    expect(result).toEqual({
+      type: 'message',
+      messageType: 'error',
+      content: 'Agent registry not found.',
+    });
+  });
 });

packages/cli/src/ui/commands/agentsCommand.ts

@@ -8,8 +8,8 @@ import type { SlashCommand, CommandContext } from './types.js';
 import { CommandKind } from './types.js';
 import { MessageType, type HistoryItemAgentsList } from '../types.js';
 
-export const agentsCommand: SlashCommand = {
-  name: 'agents',
+const agentsListCommand: SlashCommand = {
+  name: 'list',
   description: 'List available local and remote agents',
   kind: CommandKind.BUILT_IN,
   autoExecute: true,
@@ -49,3 +49,38 @@ export const agentsCommand: SlashCommand = {
     return;
   },
 };
+
+const agentsRefreshCommand: SlashCommand = {
+  name: 'refresh',
+  description: 'Reload the agent registry',
+  kind: CommandKind.BUILT_IN,
+  action: async (context: CommandContext) => {
+    const { config } = context.services;
+    const agentRegistry = config?.getAgentRegistry();
+    if (!agentRegistry) {
+      return {
+        type: 'message',
+        messageType: 'error',
+        content: 'Agent registry not found.',
+      };
+    }
+
+    await agentRegistry.reload();
+
+    return {
+      type: 'message',
+      messageType: 'info',
+      content: 'Agents refreshed successfully.',
+    };
+  },
+};
+
+export const agentsCommand: SlashCommand = {
+  name: 'agents',
+  description: 'Manage agents',
+  kind: CommandKind.BUILT_IN,
+  subCommands: [agentsListCommand, agentsRefreshCommand],
+  action: async (context: CommandContext, args) =>
+    // Default to list if no subcommand is provided
+    agentsListCommand.action!(context, args),
+};