feat: show session ID in dashboard status display

Add session label (last 8 chars) next to each group status.
Export buildStatusContent and DashboardOptions for testing.

src/config.ts

@@ -20,9 +20,11 @@ export const ASSISTANT_HAS_OWN_NUMBER =
   (process.env.ASSISTANT_HAS_OWN_NUMBER ||
     envConfig.ASSISTANT_HAS_OWN_NUMBER) === 'true';
 export const SESSION_COMMAND_USER_IDS = new Set(
-  (process.env.SESSION_COMMAND_USER_IDS ||
+  (
+    process.env.SESSION_COMMAND_USER_IDS ||
     envConfig.SESSION_COMMAND_USER_IDS ||
-    '')
+    ''
+  )
     .split(',')
     .map((id) => id.trim())
     .filter(Boolean),

src/dashboard.test.ts

@@ -0,0 +1,49 @@
+import { describe, expect, it } from 'vitest';
+
+import { buildStatusContent, type DashboardOptions } from './dashboard.js';
+
+function makeOptions(sessionId?: string): DashboardOptions {
+  const sessions: Record<string, string> = sessionId
+    ? { 'group-folder': sessionId }
+    : {};
+
+  return {
+    assistantName: 'Test',
+    channels: [],
+    getSessions: () => sessions,
+    queue: {
+      getStatuses: () => [
+        {
+          jid: 'dc:123',
+          status: 'inactive',
+          elapsedMs: null,
+          pendingMessages: false,
+          pendingTasks: 0,
+        },
+      ],
+    } as unknown as DashboardOptions['queue'],
+    registeredGroups: () => ({
+      'dc:123': {
+        name: 'clone-test',
+        folder: 'group-folder',
+        trigger: '@bot',
+        added_at: '2026-03-16T00:00:00.000Z',
+      },
+    }),
+    statusChannelId: 'status',
+    statusUpdateInterval: 60000,
+    usageUpdateInterval: 60000,
+  };
+}
+
+describe('buildStatusContent', () => {
+  it('shows cleared sessions as empty', () => {
+    const content = buildStatusContent(makeOptions());
+    expect(content).toContain('세션 없음');
+  });
+
+  it('shows a shortened session id when a session exists', () => {
+    const content = buildStatusContent(makeOptions('session-1234567890'));
+    expect(content).toContain('세션 34567890');
+  });
+});

src/dashboard.ts

@@ -8,9 +8,10 @@ import { GroupQueue, GroupStatus } from './group-queue.js';
 import { logger } from './logger.js';
 import { Channel, ChannelMeta, RegisteredGroup } from './types.js';
 
-interface DashboardOptions {
+export interface DashboardOptions {
   assistantName: string;
   channels: Channel[];
+  getSessions: () => Record<string, string>;
   queue: GroupQueue;
   registeredGroups: () => Record<string, RegisteredGroup>;
   statusChannelId: string;
@@ -114,8 +115,16 @@ function getStatusLabel(status: GroupStatus): string {
   return '비활성';
 }
 
-function buildStatusContent(opts: DashboardOptions): string {
+function getSessionLabel(sessionId: string | undefined): string {
+  if (!sessionId) return '세션 없음';
+  const shortId = sessionId.length > 8 ? sessionId.slice(-8) : sessionId;
+  return `세션 ${shortId}`;
+}
+
+/** @internal - exported for testing */
+export function buildStatusContent(opts: DashboardOptions): string {
   const registeredGroups = opts.registeredGroups();
+  const sessions = opts.getSessions();
   const jids = Object.keys(registeredGroups);
   const statuses = opts.queue.getStatuses(jids);
 
@@ -153,8 +162,9 @@ function buildStatusContent(opts: DashboardOptions): string {
     const lines = categoryEntries.map((entry) => {
       const icon = STATUS_ICONS[entry.status.status] || '⚪';
       const label = getStatusLabel(entry.status);
+      const sessionLabel = getSessionLabel(sessions[entry.group.folder]);
       const name = entry.meta?.name ? `#${entry.meta.name}` : entry.group.name;
-      return `  ${icon} **${name}** — ${label}`;
+      return `  ${icon} **${name}** — ${label} · ${sessionLabel}`;
     });
 
     if (channelMetaCache.size > 0 && categoryName !== '기타') {

src/index.ts

@@ -256,6 +256,7 @@ async function main(): Promise<void> {
   const dashboardOpts = {
     assistantName: ASSISTANT_NAME,
     channels,
+    getSessions: () => sessions,
     queue,
     registeredGroups: () => registeredGroups,
     statusChannelId: STATUS_CHANNEL_ID,

src/session-commands.test.ts

@@ -238,7 +238,9 @@ describe('handleSessionCommand', () => {
       isAdminSender: vi.fn().mockReturnValue(true),
     });
     const result = await handleSessionCommand({
-      missedMessages: [makeMsg('/clear', { is_from_me: false, sender: 'discord-user-1' })],
+      missedMessages: [
+        makeMsg('/clear', { is_from_me: false, sender: 'discord-user-1' }),
+      ],
       isMainGroup: false,
       groupName: 'test',
       triggerPattern: trigger,