ENH - enable unlocked browser phone preview

frontend/src/AppDevelopmentPreview.contract.test.ts

@@ -0,0 +1,21 @@
+import { readFileSync } from 'node:fs'
+
+import { describe, expect, it } from 'vitest'
+
+const source = readFileSync(new URL('./App.vue', import.meta.url), 'utf8')
+
+describe('browser development preview contract', () => {
+  it('starts unlocked while preserving an explicit lock screen preview', () => {
+    expect(source).toContain(
+      "developmentParameters.has('lockScreenPreview')",
+    )
+    expect(source).toContain(
+      'isLocked.value = !isDevelopment || developmentLockScreenPreview',
+    )
+  })
+
+  it('loads authenticated app data without replacing direct app routes', () => {
+    expect(source).toContain("if (isLocked.value) void router.replace('/')")
+    expect(source).toContain('else loadUnlockedPhoneData()')
+  })
+})