chore: v0.13.0 — CI pipeline (build → unit → e2e) on PRs to master + push, dind-isolated e2e stack (docker-compose.ci.yml), playwright config env-var overrides (PW_REMOTE_BROWSER/E2E_DEPLOY_CMD/E2E_BASE_URL/E2E_COMPOSE_ARGS, backward-compatible), @playwright/test pinned as devDependency; AGENTS.md switched to pull-request workflow

e2e/state.spec.ts

@@ -3,8 +3,10 @@ import path from 'node:path';
 import { test, expect } from '@playwright/test';
 
 // Repo root — docker-compose.yml lives here; `docker compose restart` runs on
-// this host (the test runner), browsers stay remote.
+// this host (the test runner), browsers stay remote. CI points E2E_COMPOSE_ARGS at the
+// isolated stack file (docker-compose.ci.yml) instead of the default one.
 const repoRoot = path.join(__dirname, '..');
+const composeArgs = process.env.E2E_COMPOSE_ARGS ?? '';
 
 interface StateBody {
   account: { cash: number; reputation: number };