Add inline diff note edit E2E coverage (#1951)

* Add inline diff note edit coverage

* test: add diff note edit coverage

tests/e2e/diff-note-edit.spec.ts

@@ -0,0 +1,130 @@
+import { test, expect } from './helpers/orca-app'
+import { waitForSessionReady, waitForActiveWorktree } from './helpers/store'
+
+test.describe('Diff note edit', () => {
+  test.beforeEach(async ({ orcaPage }) => {
+    await waitForSessionReady(orcaPage)
+    await waitForActiveWorktree(orcaPage)
+  })
+
+  test('editing a saved inline note updates the open diff card', async ({ orcaPage }) => {
+    const worktreeId = await waitForActiveWorktree(orcaPage)
+    const seededBody = 'edit-me note'
+    const editedBody = 'edited note from the inline card'
+
+    // Why: create a real modified-file diff so Monaco mounts the saved-note
+    // view zone on the same local surface that wires updateDiffComment.
+    const { relativePath } = await orcaPage.evaluate(async (wId) => {
+      const store = window.__store
+      if (!store) {
+        throw new Error('window.__store is not available - is the app in dev mode?')
+      }
+      const state = store.getState()
+      const worktree = Object.values(state.worktreesByRepo)
+        .flat()
+        .find((entry) => entry.id === wId)
+      if (!worktree) {
+        throw new Error('active worktree not found')
+      }
+      const separator = worktree.path.includes('\\') ? '\\' : '/'
+      const rel = `src${separator}index.ts`
+      const absolutePath = `${worktree.path}${separator}${rel}`
+      await window.api.fs.writeFile({
+        filePath: absolutePath,
+        content: 'export const hello = "note-edit-test"\n'
+      })
+      return { relativePath: rel }
+    }, worktreeId)
+
+    const addResult = await orcaPage.evaluate(
+      async ({ wId, rel, body }) => {
+        const store = window.__store
+        if (!store) {
+          throw new Error('window.__store is not available')
+        }
+        return store.getState().addDiffComment({
+          worktreeId: wId,
+          filePath: rel,
+          lineNumber: 1,
+          body,
+          side: 'modified'
+        })
+      },
+      { wId: worktreeId, rel: relativePath, body: seededBody }
+    )
+    expect(addResult, 'addDiffComment returned null').not.toBeNull()
+    const commentId = addResult!.id
+
+    await orcaPage.evaluate(
+      ({ wId, rel }) => {
+        const store = window.__store
+        if (!store) {
+          throw new Error('window.__store is not available')
+        }
+        const state = store.getState()
+        const worktree = Object.values(state.worktreesByRepo)
+          .flat()
+          .find((entry) => entry.id === wId)
+        if (!worktree) {
+          throw new Error('active worktree not found')
+        }
+        const separator = worktree.path.includes('\\') ? '\\' : '/'
+        state.openDiff(wId, `${worktree.path}${separator}${rel}`, rel, 'typescript', false)
+      },
+      { wId: worktreeId, rel: relativePath }
+    )
+
+    const card = orcaPage.locator('.orca-diff-comment-card').first()
+    await expect(card, 'seeded inline note did not render').toBeVisible({ timeout: 15_000 })
+    await expect(card.locator('.orca-diff-comment-body')).toHaveText(seededBody)
+
+    await card.locator('.orca-diff-comment-edit').click()
+
+    const textarea = card.locator('.orca-diff-comment-popover-textarea')
+    await expect(textarea).toBeVisible()
+    await expect(textarea).toHaveValue(seededBody)
+
+    const saveButton = card
+      .locator('.orca-diff-comment-popover-footer button')
+      .filter({ hasText: 'Save' })
+    await expect(saveButton, 'Save should be disabled before the body changes').toBeDisabled()
+
+    await textarea.fill(editedBody)
+    await expect(saveButton, 'Save should be enabled for a non-empty changed body').toBeEnabled()
+    await saveButton.click()
+
+    await expect(textarea, 'edit controls did not close after saving').toHaveCount(0, {
+      timeout: 5_000
+    })
+
+    await expect
+      .poll(
+        async () =>
+          orcaPage.evaluate((id: string) => {
+            const store = window.__store
+            if (!store) {
+              return null
+            }
+            const all = Object.values(store.getState().worktreesByRepo)
+              .flat()
+              .flatMap((w) => w.diffComments ?? [])
+            const comment = all.find((c) => c.id === id)
+            return comment?.body ?? null
+          }, commentId),
+        {
+          timeout: 5_000,
+          message: 'updateDiffComment did not persist the edited body in the store'
+        }
+      )
+      .toBe(editedBody)
+
+    const updatedCard = orcaPage
+      .locator('.orca-diff-comment-card')
+      .filter({ has: orcaPage.locator('.orca-diff-comment-body', { hasText: editedBody }) })
+      .first()
+    await expect(updatedCard, 'inline card did not update in the open diff').toBeVisible()
+    await expect(updatedCard.locator('.orca-diff-comment-body')).toHaveText(editedBody)
+    await expect(updatedCard.locator('.orca-diff-comment-body')).not.toHaveText(seededBody)
+    await expect(updatedCard.locator('.orca-diff-comment-edit')).toBeVisible()
+  })
+})