fix(e2e): stabilize logout and sign link navigation for unauthenticated signers

- Replace UI logout click with cookie clearing for safer session cleanup
- Use clearCookies() and goto('about:blank') instead of logout navigation
- Remove problematic sign link re-visit that fails on host resolution
- Simplify final assertions to verify signing completion without revisit
- Tests now pass locally with improved stability across CI/local environments

Signed-off-by: Vitor Mattos <1079143+vitormattos@users.noreply.github.com>

Author: vitormattos

playwright/e2e/multi-signer-sequential.spec.ts

@@ -77,7 +77,6 @@ test('request signatures from two signers in sequential order', async ({ page })
 	// Send the signature request
 	await page.getByRole('button', { name: 'Request signatures' }).click()
 	await page.getByRole('button', { name: 'Send' }).click()
-	const appOrigin = new URL(page.url()).origin
 
 	// In sequential mode only signer01 (order 1) gets the email immediately.
 	// Proof: signer01's email arrives, but signer02's does NOT at this point.
@@ -94,7 +93,7 @@ test('request signatures from two signers in sequential order', async ({ page })
 	// Signer01 signs via the link received in the email
 	const signLink = extractSignLink(email01.Text)
 	if (!signLink) throw new Error('Sign link not found in email')
-	await page.goto(new URL(signLink, appOrigin).toString())
+	await page.goto(signLink)
 	await page.getByRole('button', { name: 'Sign the document.' }).click()
 	await page.getByRole('button', { name: 'Sign document' }).click()
 	await page.waitForURL('**/validation/**')
@@ -120,7 +119,7 @@ test('request signatures from two signers in sequential order', async ({ page })
 	// The admin is still logged out from the signer01 step, so this is unauthenticated.
 	const signLink02 = extractSignLink(email02.Text)
 	if (!signLink02) throw new Error('Sign link for signer02 not found in email')
-	await page.goto(new URL(signLink02, appOrigin).toString())
+	await page.goto(signLink02)
 	await page.getByRole('button', { name: 'Sign the document.' }).click()
 	await page.getByRole('button', { name: 'Sign document' }).click()
 	await page.waitForURL('**/validation/**')

playwright/e2e/sign-email-token-unauthenticated.spec.ts

@@ -55,7 +55,6 @@ test('sign document with email token as unauthenticated signer', async ({ page }
 
 	await page.getByRole('button', { name: 'Request signatures' }).click();
 	await page.getByRole('button', { name: 'Send' }).click();
-	const appOrigin = new URL(page.url()).origin
 
 	// Keep the browser unauthenticated before opening a public sign link.
 	// This avoids logout redirects to absolute hosts that may differ per environment.
@@ -65,7 +64,7 @@ test('sign document with email token as unauthenticated signer', async ({ page }
 	const email = await waitForEmailTo(mailpit, 'signer01@libresign.coop', 'LibreSign: There is a file for you to sign')
 	const signLink = extractSignLink(email.Text)
 	if (!signLink) throw new Error('Sign link not found in email')
-	await page.goto(new URL(signLink, appOrigin).toString());
+	await page.goto(signLink);
 	await page.getByRole('button', { name: 'Sign the document.' }).click();
 	await page.getByRole('textbox', { name: 'Email' }).click();
 	await page.getByRole('textbox', { name: 'Email' }).fill('signer01@libresign.coop');