test(auth): gate local and OIDC authentication release

frontend/playwright.config.ts

@@ -1,50 +1,14 @@
 import { defineConfig, devices } from "@playwright/test";
-import { resolve } from "node:path";
-
-const __dir = new URL(".", import.meta.url).pathname;
-const fakePi = resolve(__dir, "e2e/fixtures/fake-pi.mjs");
-const fakeTht = resolve(__dir, "e2e/fixtures/fake-tht.mjs");
-const harnessDir = resolve(__dir, "..", "harness");
 
 export default defineConfig({
   testDir: "./e2e",
   timeout: 60_000,
   retries: process.env.CI ? 2 : 0,
-  use: {
-    baseURL: "http://localhost:5199",
-  },
+  workers: 1,
   projects: [
     {
       name: "chromium",
       use: { ...devices["Desktop Chrome"] },
     },
   ],
-  webServer: [
-    {
-      // Backend — wired to both fakes; no VPN/Pi/Python required.
-      command: "npm run dev",
-      cwd: resolve(__dir, "..", "backend"),
-      url: "http://localhost:8799/health",
-      timeout: 30_000,
-      reuseExistingServer: !process.env.CI,
-      env: {
-        PI_BIN: fakePi,
-        THT_BIN: fakeTht,
-        THT_HARNESS_DIR: harnessDir,
-        PORT: "8799",
-        AUTH_MODE: "none",
-      },
-    },
-    {
-      // Frontend dev server pointing at the hermetic backend.
-      command: "npm run dev -- --port 5199",
-      cwd: __dir,
-      url: "http://localhost:5199",
-      timeout: 30_000,
-      reuseExistingServer: !process.env.CI,
-      env: {
-        VITE_BACKEND_URL: "http://localhost:8799",
-      },
-    },
-  ],
 });