Stabilize NetKeep E2E network recovery

tests/E2E/support/navigation.ts

@@ -1,16 +1,20 @@
 import type { Page, Response } from '@playwright/test';
 
+function isRetryableNetworkError(error: unknown): boolean {
+    return /ERR_SSL_PROTOCOL_ERROR|ERR_NETWORK_CHANGED/.test(String(error));
+}
+
 export async function gotoWithTlsRetry(
     page: Page,
     url: string,
 ): Promise<Response | null> {
-    for (let attempt = 1; attempt <= 4; attempt += 1) {
+    for (let attempt = 1; attempt <= 8; attempt += 1) {
         try {
             return await page.goto(url);
         } catch (error) {
             if (
-                attempt === 4 ||
-                !String(error).includes('ERR_SSL_PROTOCOL_ERROR')
+                attempt === 8 ||
+                !isRetryableNetworkError(error)
             ) {
                 throw error;
             }
@@ -21,3 +25,19 @@ export async function gotoWithTlsRetry(
 
     return null;
 }
+
+export async function reloadWithNetworkRetry(page: Page): Promise<Response | null> {
+    for (let attempt = 1; attempt <= 8; attempt += 1) {
+        try {
+            return await page.reload();
+        } catch (error) {
+            if (attempt === 8 || !isRetryableNetworkError(error)) {
+                throw error;
+            }
+
+            await page.waitForTimeout(attempt * 1_000);
+        }
+    }
+
+    return null;
+}

tests/E2E/update-feedback.spec.ts

@@ -2,7 +2,10 @@ import { execFileSync } from 'node:child_process';
 import { resolve } from 'node:path';
 import AxeBuilder from '@axe-core/playwright';
 import { expect, test } from '@playwright/test';
-import { gotoWithTlsRetry } from './support/navigation';
+import {
+    gotoWithTlsRetry,
+    reloadWithNetworkRetry,
+} from './support/navigation';
 
 const project = process.env.NETKEEP_E2E_PROJECT ?? 'netkeep-e2e';
 const root = resolve(import.meta.dirname, '../..');
@@ -94,7 +97,7 @@ test('reauthenticates once and preserves update feedback across navigation and r
         await expect(
             page.getByText('Update request received', { exact: true }),
         ).toBeVisible();
-        await page.reload();
+        await reloadWithNetworkRetry(page);
         await expect(
             page.getByText('Update request received', { exact: true }),
         ).toBeVisible();
@@ -117,7 +120,7 @@ test('reauthenticates once and preserves update feedback across navigation and r
                 { timeout: 120_000 },
             )
             .toBe(200);
-        await page.reload();
+        await reloadWithNetworkRetry(page);
         await expect(
             page.getByText('Updating v1.0.3 to v1.0.6', { exact: true }),
         ).toBeVisible();
@@ -132,13 +135,13 @@ test('reauthenticates once and preserves update feedback across navigation and r
                 "last_progress_at" => now(),
             ]);
         `);
-        await page.reload();
+        await reloadWithNetworkRetry(page);
         await expect(
             page.getByText('NetKeep v1.0.6 was installed successfully.', {
                 exact: true,
             }),
         ).toBeVisible();
-        await page.reload();
+        await reloadWithNetworkRetry(page);
         await expect(
             page.getByText('NetKeep v1.0.6 was installed successfully.', {
                 exact: true,