db: drizzle schema matching spec 02, initial migrations, settings service

Migration 0000 enables citext; 0001 creates all 39 tables. DB tests use a
throwaway database per file (TEST_DATABASE_URL, derived from .env in dev,
a postgres service in CI). Decision 0002: pg driver and @fastify/cookie.

Task: M1-T1

vitest.config.ts

@@ -1,6 +1,24 @@
 // SPDX-License-Identifier: AGPL-3.0-or-later
 import { defineConfig } from 'vitest/config';
 
+// DB integration tests use TEST_DATABASE_URL; derive it from .env for the dev postgres container.
+try {
+  process.loadEnvFile('.env');
+} catch {
+  // no .env (CI sets TEST_DATABASE_URL itself, or DB tests are skipped)
+}
+const env = process.env;
+if (!env.TEST_DATABASE_URL && env.POSTGRES_PASSWORD) {
+  env.TEST_DATABASE_URL = `postgres://selfphoneng:${env.POSTGRES_PASSWORD}@127.0.0.1:${env.POSTGRES_PORT ?? 5433}/selfphoneng`;
+}
+
 export default defineConfig({
-  test: { include: ['{apps,packages}/*/{src,test}/**/*.test.{ts,tsx}'], passWithNoTests: true },
+  resolve: { conditions: ['source'] },
+  ssr: { resolve: { conditions: ['source'], externalConditions: ['source'] } },
+  test: {
+    include: ['{apps,packages}/*/{src,test}/**/*.test.{ts,tsx}'],
+    passWithNoTests: true,
+    testTimeout: 20_000,
+    hookTimeout: 60_000,
+  },
 });