Add resend button for 30s

tests/e2e/helpers/api.ts

@@ -174,7 +174,6 @@ export interface BotConfig {
 
 export interface AppSettings {
   max_radio_contacts: number;
-  experimental_channel_double_send: boolean;
   favorites: { type: string; id: string }[];
   auto_decrypt_dm_on_advert: boolean;
   sidebar_sort_order: string;

tests/e2e/specs/messaging.spec.ts

@@ -46,4 +46,40 @@ test.describe('Channel messaging in #flightless', () => {
     const messageContainer = messageEl.locator('..');
     await expect(messageContainer.getByText(/[?✓]/)).toBeVisible();
   });
+
+  test('resend outgoing channel message from message row', async ({ page }) => {
+    await page.goto('/');
+
+    await page.getByText('#flightless', { exact: true }).first().click();
+    await expect(page.getByPlaceholder(/message #flightless/i)).toBeVisible();
+
+    const testMessage = `resend-test-${Date.now()}`;
+    const input = page.getByPlaceholder(/type a message|message #flightless/i);
+    await input.fill(testMessage);
+    await page.getByRole('button', { name: 'Send' }).click();
+
+    const messageEl = page.getByText(testMessage).first();
+    await expect(messageEl).toBeVisible({ timeout: 15_000 });
+
+    const messageContainer = messageEl.locator(
+      'xpath=ancestor::div[contains(@class,"break-words")][1]'
+    );
+    const resendButton = messageContainer.getByTitle('Resend message');
+    await expect(resendButton).toBeVisible({ timeout: 15_000 });
+
+    const resendResponsePromise = page.waitForResponse(
+      (response) =>
+        response.request().method() === 'POST' &&
+        /\/api\/messages\/channel\/\d+\/resend$/.test(response.url())
+    );
+
+    await resendButton.click();
+
+    const resendResponse = await resendResponsePromise;
+    expect(resendResponse.ok()).toBeTruthy();
+    await expect(page.getByText('Message resent')).toBeVisible({ timeout: 10_000 });
+
+    // Byte-perfect resend should not create a second visible row in this conversation.
+    await expect(page.getByText(testMessage)).toHaveCount(1);
+  });
 });