Files
openworker/surfaces/gui/e2e/model-switch.spec.ts
T
Rohit C Prasad f1eb652d61 Allow mid-session model switching with a persisted transcript marker
Picker stays live for the session; switches persist a model_switch notice (§17 revised).
Rebinds refused mid-turn; images become placeholders for non-vision targets at send time.
2026-07-22 15:43:54 -07:00

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TypeScript

// Model-layer roadmap item 3 (2026-07-22): the model picker stays actionable for the
// session's whole life (supersedes the 2026-07-04 lock that hid it after the first turn).
// A mid-session switch drops a persisted info marker into the transcript, and later
// messages ride the new model.
import { expect } from "@playwright/test";
import { test } from "./fixtures";
test("mid-session model switch shows the marker and later turns use the new model", async ({
page,
}) => {
await page.goto("/");
await page.getByText("Draft the launch note").first().click();
const box = page.getByPlaceholder(/Ask the coworker/);
await box.fill("hello there");
await box.press("Enter");
await expect(page.getByText("Echo: hello there", { exact: false }).first()).toBeVisible();
// The picker is still in the composer after the first turn (the old lock hid it).
const picker = page.locator(".dd").filter({ hasText: "Claude Opus 4.8" });
await expect(picker).toBeVisible();
await picker.locator(".pill").click();
await page.locator(".dd-item").filter({ hasText: "GPT-5.5" }).click();
// The switch marker lands in the transcript…
await expect(page.getByText(/Model switched to gpt-5.5/).first()).toBeVisible();
// …and the next message carries the new model (the fixture echoes it back).
await box.fill("after the switch");
await box.press("Enter");
await expect(
page.getByText("Echo: after the switch [model=gpt-5.5]", { exact: false }).first(),
).toBeVisible();
});