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fix(sim): boot silent (video off, audio 0) — no un-gestured auto-start

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The post-load autoStart() flipped Video on and lifted audio to 3/10 with no
user gesture. Browser autoplay policy blocks an audio play() made outside a
gesture (muted video survives, sound does not), so auto-start showed video but
stayed silent. Boot SILENT instead and wait for the operator to turn Video on —
that click IS the gesture, and its handler couples audio to 3/10 and starts the
soundtrack in-gesture, so sound reliably comes up with video.

Updates the pytest e2e + Playwright e2e specs to assert boot-silent + the
video-on-couples-audio wiring instead of the old auto-start wiring.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
BenStullsBets
2026-06-30 06:31:38 -07:00
parent 020219f9a6
commit e5fe00e948
3 changed files with 43 additions and 31 deletions
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simulator/e2e/tests/altitude-lock.spec.ts
+6 -5
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@@ -83,13 +83,14 @@ test("audio is a 0-10 level dial", async ({ page }) => {
expect(ctl.max).toBe("10");
});
test("the experience auto-starts once loaded: video on + audio at 3/10", async ({ page }) => {
test("boots silent (video off, audio 0); turning video on couples audio to 3/10", async ({ page }) => {
await boot(page);
// No gesture needed — autoStart() flips Video on and lifts audio to a gentle level
// the moment the preload finishes.
await expect.poll(() => page.evaluate(() => (document.querySelector("#visual") as HTMLInputElement).checked)).toBe(true);
// Boots SILENT — no un-gestured auto-start, so the browser autoplay block never bites.
expect(await page.evaluate(() => (document.querySelector("#visual") as HTMLInputElement).checked)).toBe(false);
expect(await page.evaluate(() => (document.querySelector("#audio") as HTMLInputElement).value)).toBe("0");
// Turning Video on (a click gesture) lifts the audio dial to a gentle 3/10.
await enableVideo(page);
await expect.poll(() => page.evaluate(() => (document.querySelector("#audio") as HTMLInputElement).value)).toBe("3");
// The level label reflects it.
expect(await page.evaluate(() => document.querySelector("#audio-level-val")?.textContent)).toBe("3");
});