Add LINE channel adapter with webhook ingress and gating

src/daemon/channels.test.ts

@@ -23,6 +23,7 @@ describe('registerChannels', () => {
       setTeamsHandler: vi.fn(),
       setGoogleChatHandler: vi.fn(),
       setBlueBubblesHandler: vi.fn(),
+      setLineHandler: vi.fn(),
     };
 
     registerChannels({
@@ -36,4 +37,37 @@ describe('registerChannels', () => {
     expect(names).toContain('mattermost');
     expect(names).toContain('webchat');
   });
+
+  it('registers LINE adapter when configured', () => {
+    const config = configSchema.parse({
+      telegram: { bot_token: 'test-token', allowed_chat_ids: [1] },
+      models: { default: { provider: 'anthropic', model: 'claude-3' } },
+      line: {
+        channel_access_token: 'line-token',
+        channel_secret: 'line-secret',
+        allowed_source_ids: ['U123'],
+      },
+    });
+
+    const channelRegistry = new ChannelRegistry();
+    const gateway = {
+      setWebhookHandler: vi.fn(),
+      setGmailHandler: vi.fn(),
+      setTeamsHandler: vi.fn(),
+      setGoogleChatHandler: vi.fn(),
+      setBlueBubblesHandler: vi.fn(),
+      setLineHandler: vi.fn(),
+    };
+
+    registerChannels({
+      config,
+      channelRegistry,
+      hookEngine: new HookEngine(config.hooks),
+      gateway: gateway as unknown as Parameters<typeof registerChannels>[0]['gateway'],
+    });
+
+    const names = channelRegistry.list().map((adapter) => adapter.name);
+    expect(names).toContain('line');
+    expect(gateway.setLineHandler).toHaveBeenCalledTimes(1);
+  });
 });