Update project structure and dependencies; add architecture documentation and improve build scripts. Introduce new versioning and permissions for enhanced functionality.

src/protocol/extension.test.ts

@@ -0,0 +1,18 @@
+import { describe, expect, it } from 'vitest';
+import { parseExtensionRequest } from './extension';
+
+describe('extension request schemas', () => {
+  it('rejects unknown fields', () => {
+    expect(() => parseExtensionRequest({ action: 'panel.update', payload: { enabled: true, unexpected: true } })).toThrow('unexpected');
+  });
+
+  it('accepts split panel policy and explicit Eval mode', () => {
+    expect(parseExtensionRequest({
+      action: 'panel.update',
+      payload: { displayMode: 'active-task', siteMode: 'denylist', siteOrigins: ['https://example.test'] },
+    }).action).toBe('panel.update');
+    expect(parseExtensionRequest({
+      action: 'context.eval', payload: { mode: 'program', code: '1 + 1', timeoutMs: 500 },
+    }).action).toBe('context.eval');
+  });
+});