test(app): migrate more e2e suites to isolated backend (#20505)

packages/app/e2e/session/session-child-navigation.spec.ts

@@ -1,7 +1,7 @@
 import { seedSessionTask, withSession } from "../actions"
 import { test, expect } from "../fixtures"
 
-test("task tool child-session link does not trigger stale show errors", async ({ page, sdk, gotoSession }) => {
+test("task tool child-session link does not trigger stale show errors", async ({ page, withBackendProject }) => {
   test.setTimeout(120_000)
 
   const errs: string[] = []
@@ -10,28 +10,32 @@ test("task tool child-session link does not trigger stale show errors", async ({
   }
   page.on("pageerror", onError)
 
-  await withSession(sdk, `e2e child nav ${Date.now()}`, async (session) => {
-    const child = await seedSessionTask(sdk, {
-      sessionID: session.id,
-      description: "Open child session",
-      prompt: "Search the repository for AssistantParts and then reply with exactly CHILD_OK.",
+  await withBackendProject(async ({ gotoSession, trackSession, sdk }) => {
+    await withSession(sdk, `e2e child nav ${Date.now()}`, async (session) => {
+      trackSession(session.id)
+      const child = await seedSessionTask(sdk, {
+        sessionID: session.id,
+        description: "Open child session",
+        prompt: "Search the repository for AssistantParts and then reply with exactly CHILD_OK.",
+      })
+      trackSession(child.sessionID)
+
+      try {
+        await gotoSession(session.id)
+
+        const link = page
+          .locator("a.subagent-link")
+          .filter({ hasText: /open child session/i })
+          .first()
+        await expect(link).toBeVisible({ timeout: 30_000 })
+        await link.click()
+
+        await expect(page).toHaveURL(new RegExp(`/session/${child.sessionID}(?:[/?#]|$)`), { timeout: 30_000 })
+        await page.waitForTimeout(1000)
+        expect(errs).toEqual([])
+      } finally {
+        page.off("pageerror", onError)
+      }
     })
-
-    try {
-      await gotoSession(session.id)
-
-      const link = page
-        .locator("a.subagent-link")
-        .filter({ hasText: /open child session/i })
-        .first()
-      await expect(link).toBeVisible({ timeout: 30_000 })
-      await link.click()
-
-      await expect(page).toHaveURL(new RegExp(`/session/${child.sessionID}(?:[/?#]|$)`), { timeout: 30_000 })
-      await page.waitForTimeout(1000)
-      expect(errs).toEqual([])
-    } finally {
-      page.off("pageerror", onError)
-    }
   })
 })