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

playwright.config.ts

@@ -2,10 +2,12 @@ import { defineConfig, devices } from "@playwright/test";
 
 const port = process.env.PORT ?? "3100";
 const baseURL = process.env.PLAYWRIGHT_BASE_URL ?? `http://127.0.0.1:${port}`;
+const databaseFile = process.env.DATABASE_FILE ?? `/tmp/mal-e2e-${port}.db`;
 
 export default defineConfig({
   testDir: "./tests/e2e",
   testMatch: "**/*.e2e.ts",
+  globalSetup: "./tests/e2e/global-setup.ts",
   timeout: 30_000,
   expect: { timeout: 5000 },
   fullyParallel: true,
@@ -14,7 +16,7 @@ export default defineConfig({
   webServer:
     process.env.PLAYWRIGHT_BASE_URL === undefined
       ? {
-          command: `PORT=${port} DATABASE_FILE=/tmp/mal-e2e.db GIN_MODE=test go run ./cmd/server`,
+          command: `PORT=${port} DATABASE_FILE=${databaseFile} GIN_MODE=test go run ./cmd/server`,
           url: baseURL,
           reuseExistingServer: process.env.CI === undefined,
           timeout: 120_000,