Add Enable Dynamic Audio option to schedule blocks

src/lib/components/schedule/BlockModal.svelte.spec.ts

@@ -159,4 +159,35 @@ describe('BlockModal', () => {
 		await expect.element(page.getByRole('button', { name: 'Create Block' })).toBeInTheDocument();
 		await expect.element(page.getByRole('button', { name: 'Accept' })).not.toBeInTheDocument();
 	});
+
+	it('offers an Enable Dynamic Audio checkbox with a help tooltip', async () => {
+		mount();
+
+		const checkbox = page.getByRole('checkbox', { name: /Enable Dynamic Audio/ });
+		await expect.element(checkbox).toBeInTheDocument();
+		expect((checkbox.element() as HTMLInputElement).checked).toBe(false);
+
+		await expect
+			.element(page.getByText(/Dynamic audio will be enabled for this block/))
+			.toBeInTheDocument();
+	});
+
+	it('pre-checks dynamic audio when editing a block that has it enabled', async () => {
+		mount({ initialDynamicAudio: true });
+
+		const checkbox = page.getByRole('checkbox', { name: /Enable Dynamic Audio/ });
+		await expect.element(checkbox).toBeInTheDocument();
+		expect((checkbox.element() as HTMLInputElement).checked).toBe(true);
+	});
+
+	it('toggles the dynamic audio flag in the submitted payload', async () => {
+		mount();
+
+		const checkbox = page.getByRole('checkbox', { name: /Enable Dynamic Audio/ });
+		await expect.element(checkbox).toBeInTheDocument();
+		(checkbox.element() as HTMLInputElement).click();
+
+		const hidden = document.querySelector('input[name="dynamicAudio"]') as HTMLInputElement;
+		await expect.poll(() => hidden.value).toBe('true');
+	});
 });