diff --git a/package-lock.json b/package-lock.json
index d40f1d2b11..2a4f4c338b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -27326,7 +27326,7 @@
         "@grpc/grpc-js": "^1.14.4",
         "@grpc/reflection": "^1.0.4",
         "@modelcontextprotocol/sdk": "^1.29.0",
-        "@playwright/test": "1.59.1",
+        "@playwright/test": "1.63.0",
         "@types/node": "^26.0.1",
         "electron": "^43.2.0",
         "express": "^5.2.1",
diff --git a/packages/insomnia-test/flows/http-request.flow.ts b/packages/insomnia-test/flows/http-request.flow.ts
index 2756cf5ee5..0d768d0d04 100644
--- a/packages/insomnia-test/flows/http-request.flow.ts
+++ b/packages/insomnia-test/flows/http-request.flow.ts
@@ -121,7 +121,7 @@ export class HttpRequestFlow extends BaseFlow {
       await page.setBody(request.body);
     }
     if (request.authentication) {
-      await this.applyAuthentication(page, request.authentication);
+      await this.applyHttpAuthentication(page, request.authentication);
     }
     if (request.preRequestScript || request.afterResponseScript) {
       await page.scripts.setScripts({
@@ -132,22 +132,21 @@ export class HttpRequestFlow extends BaseFlow {
   }
 
   /**
-   * Applies `authentication` to the request pane's Auth tab. Only OAuth
-   * 1.0 and OAuth 2.0 are wired up so far — other auth types will need
-   * their own Page setter before they can be added here.
+   * Applies `authentication` to the request pane's Auth tab. OAuth 1.0 is
+   * HTTP-only so it is handled here; every other type is delegated to
+   * `BaseFlow.applyAuthentication`.
    * @param page - The request page to apply authentication on
    * @param authentication - The authentication config to apply
    */
-  private async applyAuthentication(
+  private async applyHttpAuthentication(
     page: HttpRequestPage,
     authentication: RequestAuthentication,
   ): Promise<void> {
     if (authentication.type === "oauth1") {
       await page.auth.setOAuth1Fields(authentication);
+      return;
     }
-    if (authentication.type === "oauth2") {
-      await page.auth.setOAuth2Fields(authentication);
-    }
+    await this.applyAuthentication(page.auth, authentication);
   }
 
 }
diff --git a/packages/insomnia-test/misc/fixtures.ts b/packages/insomnia-test/misc/fixtures.ts
index 878e3bebf3..d0b330f61f 100644
--- a/packages/insomnia-test/misc/fixtures.ts
+++ b/packages/insomnia-test/misc/fixtures.ts
@@ -418,6 +418,7 @@ export const test = base.extend<Fixtures>({
   user: async (
     { window, insomnia, gitCloneUrl, dataPath, skipOnboarding, vaultKey, vaultSalt },
     use,
+    testInfo,
   ) => {
     const pageManager = new PageManager(window, insomnia);
     const flowManager = new FlowManager(pageManager, insomnia, gitCloneUrl, {
@@ -430,6 +431,27 @@ export const test = base.extend<Fixtures>({
     await disableFocusModeDefault(flowManager);
     await use({ page: window, pageManager, flowManager });
     await closeOpenStepGroup();
+
+    // A test that called AppFlow.restart() leaves the relaunched app
+    // behind — the `insomnia`/`window` fixtures only know the original
+    // handles. Collect its coverage and close it here, before they tear down.
+    const currentApp = flowManager.electronApp;
+    if (currentApp && currentApp !== insomnia) {
+      const currentWindow = await currentApp
+        .firstWindow({ timeout: DEFAULT_TIMEOUT })
+        .catch(() => null);
+      if (currentWindow) {
+        if (testInfo.status !== testInfo.expectedStatus) {
+          await testInfo.attach("screenshot-after-restart", {
+            body: await currentWindow.screenshot().catch(() => Buffer.alloc(0)),
+            contentType: "image/png",
+          });
+        }
+        await collectWindowCoverage(currentWindow);
+      }
+      await collectHiddenWindowCoverage(currentApp);
+      await currentApp.close().catch(() => {});
+    }
   },
 });
 
diff --git a/packages/insomnia-test/pages/event-stream-request.page.ts b/packages/insomnia-test/pages/event-stream-request.page.ts
index 7bbcbca25e..a0acfab132 100644
--- a/packages/insomnia-test/pages/event-stream-request.page.ts
+++ b/packages/insomnia-test/pages/event-stream-request.page.ts
@@ -43,14 +43,17 @@ export class EventStreamRequestPage extends RequestPage {
 
   /**
    * Navigates to the event-stream request pane, then installs a
-   * `db.changes` listener that increments `window.__saveCount` each time a
-   * "Request" document is saved — used by tests to assert save behavior
-   * without polling the UI.
+   * `db.changes` listener (once per window) that increments
+   * `window.__saveCount` each time a "Request" document is saved — used by
+   * tests to assert save behavior without polling the UI. Repeat calls
+   * only reset the counter.
    */
   async navigate(): Promise<void> {
     await super.navigate();
     await this.page.evaluate(() => {
       (window as any).__saveCount = 0;
+      if ((window as any).__saveCountListenerInstalled) return;
+      (window as any).__saveCountListenerInstalled = true;
       (window as any).main.on(
         "db.changes",
         (_: unknown, changes: [string, { type: string }][]) => {
diff --git a/packages/insomnia-test/pages/request.page.ts b/packages/insomnia-test/pages/request.page.ts
index 510faec637..3233a37707 100644
--- a/packages/insomnia-test/pages/request.page.ts
+++ b/packages/insomnia-test/pages/request.page.ts
@@ -112,6 +112,11 @@ export abstract class RequestPage extends TabPanelPage {
       .locator(this.PANE)
       .getByRole("button", { name: /^(Connect|Disconnect)$/ });
     await connectButton.click();
+    await expect(
+      this.page
+        .locator(this.PANE)
+        .getByRole("button", { name: "Disconnect", exact: true }),
+    ).toBeVisible({ timeout: DEFAULT_TIMEOUT });
   }
 
   /**
diff --git a/packages/insomnia-test/pages/response.page.ts b/packages/insomnia-test/pages/response.page.ts
index 5b0f51e8bc..18a7405fb0 100644
--- a/packages/insomnia-test/pages/response.page.ts
+++ b/packages/insomnia-test/pages/response.page.ts
@@ -317,11 +317,16 @@ export class ResponsePage extends BasePage {
 
   /**
    * Confirms a gRPC response has been rendered by waiting for the
-   * response status tag to become visible.
+   * response status tag to become visible. If an error dialog appears
+   * instead (gRPC business failures), throws using its text.
    */
   async navigateGrpc(): Promise<void> {
     const statusTag = this.page.locator(`${this.PANE} [data-testid="response-status-tag"]`);
-    await expect(statusTag).toBeVisible({ timeout: DEFAULT_TIMEOUT });
+    const dialog = this.page.getByRole('dialog').first();
+    await statusTag.or(dialog).first().waitFor({ state: 'visible', timeout: DEFAULT_TIMEOUT });
+    if (await dialog.isVisible()) {
+      throw new Error((await dialog.innerText()).trim());
+    }
   }
 
   private async switchTab(tab: ResponseTab): Promise<boolean> {
diff --git a/packages/insomnia-test/pages/socket-io-request.page.ts b/packages/insomnia-test/pages/socket-io-request.page.ts
index 8dec89a1a6..14c6b0e7bd 100644
--- a/packages/insomnia-test/pages/socket-io-request.page.ts
+++ b/packages/insomnia-test/pages/socket-io-request.page.ts
@@ -1,6 +1,3 @@
-import { expect } from "@playwright/test";
-
-import { DEFAULT_TIMEOUT } from "../misc/constants";
 import type { RequestHeader,SocketIOMessage } from "../models/socket-io-request";
 import { RequestPage } from "./request.page";
 
@@ -8,19 +5,6 @@ export class SocketIORequestPage extends RequestPage {
   protected readonly urlBarId = "websocket-url-bar";
   protected readonly persistedDbFile = "insomnia.SocketIORequest.db";
 
-  /**
-   * Clicks Connect and waits for the button to flip to "Disconnect", so a
-   * following send doesn't race the handshake and get dropped.
-   */
-  async connect(): Promise<void> {
-    await super.connect();
-    await expect(
-      this.page
-        .locator(this.PANE)
-        .getByRole("button", { name: "Disconnect", exact: true }),
-    ).toBeVisible({ timeout: DEFAULT_TIMEOUT });
-  }
-
   /**
    * Reads the full Socket.IO request state from the UI (url, headers, and
    * the composed message).