fix(whatsapp): sandbox chromium by default

src/config/schema.test.ts

@@ -288,6 +288,29 @@ describe('configSchema — matrix', () => {
   });
 });
 
+describe('configSchema — whatsapp', () => {
+  const minimalConfig = {
+    telegram: { bot_token: 'test', allowed_chat_ids: [1] },
+    models: { default: { provider: 'anthropic', model: 'claude-3' } },
+  };
+
+  it('defaults whatsapp no_sandbox to false', () => {
+    const result = configSchema.parse({
+      ...minimalConfig,
+      whatsapp: {},
+    });
+    expect(result.whatsapp?.no_sandbox).toBe(false);
+  });
+
+  it('accepts whatsapp no_sandbox override', () => {
+    const result = configSchema.parse({
+      ...minimalConfig,
+      whatsapp: { no_sandbox: true },
+    });
+    expect(result.whatsapp?.no_sandbox).toBe(true);
+  });
+});
+
 describe('configSchema — skills watcher', () => {
   const minimalConfig = {
     telegram: { bot_token: 'test', allowed_chat_ids: [1] },