feat: create local mobile notes

apps/mobile/src/mobileNoteCreate.test.ts

@@ -0,0 +1,34 @@
+import { describe, expect, it } from 'vitest'
+import { createMobileNoteFile } from './mobileNoteCreate'
+
+describe('mobile note create', () => {
+  it('creates a deterministic markdown file from the current time', () => {
+    const file = createMobileNoteFile({
+      now: new Date('2026-05-04T12:34:56.000Z'),
+    })
+
+    expect(file).toEqual({
+      path: 'note-mor6mem8.md',
+      content: [
+        '---',
+        'title: Untitled',
+        'type: Note',
+        'created: 2026-05-04T12:34:56.000Z',
+        '---',
+        '',
+        '# Untitled',
+        '',
+      ].join('\n'),
+    })
+  })
+
+  it('supports a custom title for future create flows', () => {
+    const file = createMobileNoteFile({
+      now: new Date('2026-05-04T12:34:56.000Z'),
+      title: 'Meeting notes',
+    })
+
+    expect(file.content).toContain('title: Meeting notes')
+    expect(file.content).toContain('# Meeting notes')
+  })
+})