Design: Dialog-Baustein (Esc, Sperre waehrend Speichern, Fokus, Bottom-Sheet)

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

tests/unit/dialogKeys.test.mjs

@@ -0,0 +1,12 @@
+import test from 'node:test'
+import assert from 'node:assert/strict'
+import { loadModule } from './load.mjs'
+
+const { shouldCloseOnKey } = await loadModule('src/lib/dialogKeys.js')
+
+test('Esc schliesst nur ohne Sperre und ohne vorherige Behandlung', () => {
+  assert.equal(shouldCloseOnKey({ key: 'Escape', defaultPrevented: false }, false), true)
+  assert.equal(shouldCloseOnKey({ key: 'Escape', defaultPrevented: true }, false), false)
+  assert.equal(shouldCloseOnKey({ key: 'Escape', defaultPrevented: false }, true), false)
+  assert.equal(shouldCloseOnKey({ key: 'Enter', defaultPrevented: false }, false), false)
+})