Add admin identity module: better-auth, per-app permissions, invitations (#12)

Reviewed-on: #12
Co-authored-by: Patrick Müller <mail@pmueller.me>
Co-committed-by: Patrick Müller <mail@pmueller.me>

vitest.integration.config.ts

@@ -0,0 +1,38 @@
+import {defineConfig} from 'vitest/config';
+
+/**
+ * The admin module's integration tests. Separate from vitest.config.ts because
+ * these need Docker: they run against a real MariaDB (see
+ * docker-compose.test.yml) rather than mocks, which is the only way to catch
+ * the Kysely/MariaDB dialect and cookie-attribute problems this module can have.
+ *
+ * Run with: npm run test:integration
+ */
+export default defineConfig({
+	test: {
+		include: ['test/integration/**/*.test.ts'],
+		environment: 'node',
+		globalSetup: ['test/integration/setup.ts'],
+		// One database, shared state: parallel files would fight over the same
+		// user and invitation rows.
+		fileParallelism: false,
+		testTimeout: 30_000,
+		hookTimeout: 180_000,
+		env: {
+			NODE_ENV: 'test',
+			FEEDBACK_IP_SALT: 'vitest-salt',
+			DB_HOST: '127.0.0.1',
+			DB_PORT: '3307',
+			DB_USER: 'nachklang',
+			DB_PASSWORD: 'testpassword',
+			ADMIN_DB: 'nachklang_admin',
+			API_BASE_URL: 'http://localhost:3000',
+			ADMIN_APP_URL: 'http://localhost:3002',
+			APP_ORIGINS: 'http://localhost:3001',
+			BETTER_AUTH_SECRET: 'integration-test-secret-not-used-anywhere-else',
+			PASSKEY_RP_ID: 'localhost',
+			ADMIN_BOOTSTRAP_EMAIL: 'boot@nachklang.art',
+			SALESFORCE_ENABLED: 'false'
+		}
+	}
+});