test(e2e): add global setup, sign-in helpers and authenticated page tests

tests/e2e/global-setup.ts

@@ -0,0 +1,24 @@
+import { spawnSync } from "node:child_process";
+
+const port = process.env.PORT ?? "3100";
+
+export default function globalSetup() {
+  if (process.env.PLAYWRIGHT_BASE_URL !== undefined) {
+    return;
+  }
+
+  const username = process.env.E2E_USERNAME ?? "e2e@example.com";
+  const password = process.env.E2E_PASSWORD ?? "e2e-password";
+  const databaseFile = process.env.DATABASE_FILE ?? `/tmp/mal-e2e-${port}.db`;
+
+  const result = spawnSync("go", ["run", "./cmd/user", username, password], {
+    env: { ...process.env, DATABASE_FILE: databaseFile, GIN_MODE: "test" },
+    input: "y\n",
+    stdio: ["pipe", "pipe", "pipe"],
+    encoding: "utf8",
+  });
+
+  if (result.status !== 0) {
+    throw new Error(`Failed to seed e2e user:\n${result.stderr || result.stdout}`);
+  }
+}