chore(harness): make repository agent-ready

Add concise routed context, task-aware agent roles, focused skills, and structured learning promotion.\n\nUnify local development and workspace tooling, add layered test and E2E verification, harden MCP authentication, and gate deployment behind verification and explicit production promotion.

e2e/specs/mcp.spec.ts

@@ -0,0 +1,11 @@
+import { expect, test } from '@playwright/test';
+
+const mcp = process.env.MCP_URL ?? 'http://127.0.0.1:3002';
+
+test('MCP health is available while tool access requires auth', async ({ request }) => {
+  const health = await request.get(`${mcp}/health`);
+  expect(health.ok()).toBe(true);
+  expect(await health.json()).toMatchObject({ status: 'ok', service: 'sauci-mcp' });
+  const tools = await request.post(`${mcp}/mcp`);
+  expect(tools.status()).toBe(401);
+});