This was an update of which I cannot remember what it did but it was surely something that I needed so let's commit it. YOLO

test/app-interactions.test.tsx

@@ -10,6 +10,7 @@ vi.mock('../src/renderer/src/terminals', () => {
 
 import { App } from '../src/renderer/src/App'
 import { ProjectProvider } from '../src/renderer/src/project'
+import { normalizeCommitMsg } from '../src/renderer/src/components'
 
 beforeAll(() => {
   globalThis.ResizeObserver = class { observe() {} unobserve() {} disconnect() {} } as never
@@ -78,7 +79,7 @@ describe('Pass on to Agent', () => {
 })
 
 describe('Stage + commit', () => {
-  it('stages a file and commits via Shift+Enter (no commit button)', async () => {
+  it('stages a file and commits via Shift+Enter', async () => {
     const c = renderApp()
     const row = await waitFor(() => {
       const r = find(c, '.git-row', 'UserController.php')
@@ -86,13 +87,26 @@ describe('Stage + commit', () => {
       return r
     })
     fireEvent.click(row.querySelector<HTMLButtonElement>('button[title="Stage changes"]')!)
-    // the commit button is intentionally gone — committing is keyboard-only
-    expect(c.querySelector('.commit-btn')).toBeNull()
     const msg = c.querySelector<HTMLTextAreaElement>('.commit-input')!
     fireEvent.change(msg, { target: { value: 'wire up balance' } })
     fireEvent.keyDown(msg, { key: 'Enter', shiftKey: true })
     await waitFor(() => expect(find(c, '.toast', 'Committed')).toBeTruthy())
   })
+
+  it('commits from the button once a file is staged', async () => {
+    const c = renderApp()
+    const row = await waitFor(() => {
+      const r = find(c, '.git-row', 'UserController.php')
+      if (!r) throw new Error('git not ready')
+      return r
+    })
+    fireEvent.click(row.querySelector<HTMLButtonElement>('button[title="Stage changes"]')!)
+    await waitFor(() => expect(c.querySelector<HTMLButtonElement>('.commit-btn')!.disabled).toBe(false))
+    const msg = c.querySelector<HTMLTextAreaElement>('.commit-input')!
+    fireEvent.change(msg, { target: { value: 'wire up balance' } })
+    fireEvent.click(c.querySelector<HTMLButtonElement>('.commit-btn')!)
+    await waitFor(() => expect(find(c, '.toast', 'Committed')).toBeTruthy())
+  })
 })
 
 describe('Explorer background menu', () => {
@@ -126,3 +140,9 @@ describe('Explorer background menu', () => {
     expect(find(c, '.ctx-item', 'Copy file name')).toBeTruthy()
   })
 })
+
+describe('Commit message normalization', () => {
+  it('lowercases the text and folds the line breaks into one line', () => {
+    expect(normalizeCommitMsg('Fix Login\nAnd Logout\r\n  Flow')).toBe('fix login and logout flow')
+  })
+})