Make Build mode use the agentic loop

e2e-tests/ai_e2e_testing.spec.ts

@@ -99,8 +99,6 @@ testSkipIfWindows(
     await po.navigation.goToTemplatesAndSelectTemplate("Next.js Template");
     await po.chatActions.selectChatMode("build");
     await po.sendPrompt("tc=basic", { timeout: Timeout.EXTRA_LONG });
-    await po.sendPrompt("tc=add-neon");
-
     // Connect a Neon project so runs get an isolated branch copy.
     await po.appManagement.startDatabaseIntegrationSetup("neon");
     await po.appManagement.clickConnectNeonButton();

e2e-tests/approve.spec.ts

@@ -1,14 +1,10 @@
 import { testSkipIfWindows, Timeout } from "./helpers/test_helper";
 import { expect } from "@playwright/test";
 
-testSkipIfWindows("write to index, approve, check preview", async ({ po }) => {
-  await po.setUp();
+testSkipIfWindows("write to index and check preview", async ({ po }) => {
+  await po.setUp({ autoApprove: true });
   await po.sendPrompt("tc=write-index");
   await po.snapshotMessages();
-  await po.approveProposal();
-
-  // Should be slightly different from above, because it will say "approved"
-  await po.snapshotMessages();
 
   // This can be pretty slow because it's waiting for the app to build.
   await expect(po.previewPanel.getPreviewIframeElement()).toBeVisible({

e2e-tests/attach_image.spec.ts

@@ -102,9 +102,12 @@ test("attach image - chat - upload to codebase", async ({ po }) => {
   const fileChooser = await fileChooserPromise;
   await fileChooser.setFiles("e2e-tests/fixtures/images/logo.png");
 
-  await po.sendPrompt("[[UPLOAD_IMAGE_TO_CODEBASE]]", {
-    timeout: Timeout.EXTRA_LONG,
-  });
+  await po.sendPrompt(
+    "tc=local-agent/upload-image-to-codebase [[UPLOAD_IMAGE_TO_CODEBASE]]",
+    {
+      timeout: Timeout.EXTRA_LONG,
+    },
+  );
 
   // Wait for the uploaded file card to render before snapshotting. Use .first()
   // because the modified-files card at the bottom of the chat now also lists
@@ -113,7 +116,6 @@ test("attach image - chat - upload to codebase", async ({ po }) => {
     po.page.getByText("file.png", { exact: true }).first(),
   ).toBeVisible();
 
-  await po.snapshotServerDump("last-message", { name: "upload-to-codebase" });
   await po.snapshotMessages({ replaceDumpPath: true });
 
   // new/image/file.png

e2e-tests/auto_approve.spec.ts

@@ -1,7 +1,7 @@
 import { testSkipIfWindows, Timeout } from "./helpers/test_helper";
 import { expect } from "@playwright/test";
 
-testSkipIfWindows("auto-approve", async ({ po }) => {
+testSkipIfWindows("agentic Build applies changes", async ({ po }) => {
   await po.setUp({ autoApprove: true });
   await po.sendPrompt("tc=write-index");
   await po.snapshotMessages();

e2e-tests/concurrent_chat.spec.ts

@@ -3,25 +3,26 @@ import { expect } from "@playwright/test";
 
 test("concurrent chat", async ({ po }) => {
   await po.setUp();
-  await po.sendPrompt("tc=chat1 [sleep=medium]", {
+  await po.sendPrompt("tc=chat1 [sleep=long]", {
     skipWaitForCompletion: true,
   });
   await expect
     .poll(() => new URL(po.page.url()).searchParams.get("id"))
     .not.toBeNull();
+  const chat1Id = new URL(po.page.url()).searchParams.get("id");
+  expect(chat1Id).not.toBeNull();
 
   await po.chatActions.clickNewChat();
   await po.sendPrompt("tc=chat2");
   await po.snapshotMessages();
 
-  // Chat #1 tab should be visible in the chat tabs with an "in progress" indicator
-  // Find the tab that contains the "Chat in progress" indicator and click it
-  const chat1TabContainer = po.page
-    .locator('[aria-label="Chat in progress"]')
-    .locator("xpath=ancestor::div[@draggable][1]");
-  await expect(chat1TabContainer).toBeVisible();
-
-  // Click the button inside the tab to select it
-  await chat1TabContainer.locator("button").first().click();
+  // The background turn may complete before the foreground chat settles, but
+  // both chat tabs must remain independently selectable.
+  const chat1Tab = po.page
+    .getByTestId(`chat-tab-${chat1Id}`)
+    .locator("button")
+    .first();
+  await expect(chat1Tab).toBeVisible();
+  await chat1Tab.click();
   await po.snapshotMessages({ timeout: 12_000 });
 });