feat(config): add Matrix channel config

src/config/schema.test.ts

@@ -181,6 +181,47 @@ describe('configSchema — models auth_mode', () => {
   });
 });
 
+describe('configSchema — matrix', () => {
+  const minimalConfig = {
+    telegram: { bot_token: 'test', allowed_chat_ids: [1] },
+    models: { default: { provider: 'anthropic', model: 'claude-3' } },
+  };
+
+  it('accepts matrix config and defaults sync_timeout_ms', () => {
+    const result = configSchema.parse({
+      ...minimalConfig,
+      matrix: {
+        homeserver_url: 'https://matrix.example.org',
+        access_token: 'syt_test_token',
+        allowed_room_ids: ['!room1:example.org'],
+        require_mention: true,
+      },
+    });
+
+    expect(result.matrix).toBeDefined();
+    expect(result.matrix!.homeserver_url).toBe('https://matrix.example.org');
+    expect(result.matrix!.access_token).toBe('syt_test_token');
+    expect(result.matrix!.sync_timeout_ms).toBe(30000);
+  });
+
+  it('matrix config is optional', () => {
+    const result = configSchema.parse(minimalConfig);
+    expect(result.matrix).toBeUndefined();
+  });
+
+  it('rejects invalid homeserver_url', () => {
+    expect(() => {
+      configSchema.parse({
+        ...minimalConfig,
+        matrix: {
+          homeserver_url: 'not-a-url',
+          access_token: 'token',
+        },
+      });
+    }).toThrow(/homeserver/i);
+  });
+});
+
 describe('configSchema — skills watcher', () => {
   const minimalConfig = {
     telegram: { bot_token: 'test', allowed_chat_ids: [1] },