feat(i18n): add multilanguage support to waitlist emails and result pages
- Add 'language' column to waitlist_entries (en/it/es/fr/de, default en) - Accept 'lang' field in POST /waitlist request body - Translate confirmation email (subject, badge, heading, body, CTA, footer) - Translate confirm/unsubscribe result HTML pages - Return localized success message in WaitlistResponse - Update language preference on duplicate signups - Alembic migration 003_add_language_column
This commit is contained in:
Roberto Musso
104
app/routes.py
104
app/routes.py
@@ -36,9 +36,10 @@ async def join_waitlist(
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"""
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# Honeypot — bots fill hidden fields; silently "succeed"
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if body.website:
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return WaitlistResponse()
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return WaitlistResponse.for_lang(body.lang)
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email = body.email.lower().strip()
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lang = body.lang
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ip = _get_client_ip(request)
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now = datetime.datetime.now(datetime.timezone.utc)
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@@ -49,18 +50,23 @@ async def join_waitlist(
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entry = existing.scalar_one_or_none()
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if entry is not None:
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# Update language preference if changed
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if entry.language != lang:
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entry.language = lang
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await db.commit()
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# Re-send confirmation if not yet confirmed (and not anonymized)
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if not entry.confirmed and not entry.anonymized_at and settings.brevo_configured:
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token = generate_token(email)
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confirm_url = f"{settings.CONFIRM_BASE_URL}/api/v1/waitlist/confirm?token={token}"
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unsub_url = f"{settings.CONFIRM_BASE_URL}/api/v1/waitlist/unsubscribe?token={token}"
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asyncio.create_task(send_confirmation_email(email, confirm_url, unsub_url))
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return WaitlistResponse()
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asyncio.create_task(send_confirmation_email(email, confirm_url, unsub_url, lang=lang))
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return WaitlistResponse.for_lang(lang)
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entry = WaitlistEntry(
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email=email,
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ip_address=ip,
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source="website",
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language=lang,
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consent_given_at=now,
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)
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db.add(entry)
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@@ -73,9 +79,9 @@ async def join_waitlist(
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token = generate_token(email)
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confirm_url = f"{settings.CONFIRM_BASE_URL}/api/v1/waitlist/confirm?token={token}"
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unsub_url = f"{settings.CONFIRM_BASE_URL}/api/v1/waitlist/unsubscribe?token={token}"
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asyncio.create_task(send_confirmation_email(email, confirm_url, unsub_url))
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asyncio.create_task(send_confirmation_email(email, confirm_url, unsub_url, lang=lang))
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return WaitlistResponse()
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return WaitlistResponse.for_lang(lang)
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@router.get("/waitlist/confirm", response_class=HTMLResponse)
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@@ -100,6 +106,8 @@ async def confirm_email(
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if entry is None:
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return HTMLResponse(content=_result_page(success=False), status_code=400)
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lang = entry.language or "en"
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if not entry.confirmed:
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entry.confirmed = True
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# Clear IP now that consent is confirmed — no longer needed
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@@ -111,7 +119,7 @@ async def confirm_email(
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if settings.brevo_configured:
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asyncio.create_task(add_contact_to_list(email))
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return HTMLResponse(content=_result_page(success=True))
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return HTMLResponse(content=_result_page(success=True, lang=lang))
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@router.get("/waitlist/unsubscribe", response_class=HTMLResponse)
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@@ -138,11 +146,12 @@ async def unsubscribe(
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# Already gone — show success anyway (idempotent)
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return HTMLResponse(content=_result_page(success=True, variant="unsubscribe"))
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lang = entry.language or "en"
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_anonymize_entry(entry)
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await db.commit()
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logger.info("Waitlist entry anonymized (unsubscribe)")
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return HTMLResponse(content=_result_page(success=True, variant="unsubscribe"))
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return HTMLResponse(content=_result_page(success=True, variant="unsubscribe", lang=lang))
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def _anonymize_entry(entry: WaitlistEntry) -> None:
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@@ -154,37 +163,96 @@ def _anonymize_entry(entry: WaitlistEntry) -> None:
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entry.anonymized_at = now
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def _result_page(*, success: bool, variant: str = "confirm") -> str:
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def _result_page(*, success: bool, variant: str = "confirm", lang: str = "en") -> str:
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"""Branded HTML response for confirmation/unsubscribe result."""
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# ── Translations for result pages ──
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_PAGE_I18N: dict[str, dict[str, str]] = {
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"en": {
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"confirmed_title": "You’re confirmed!",
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"confirmed_msg": "Your email has been verified. We’ll notify you when adiuvAI is ready.",
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"invalid_confirm": "This confirmation link is no longer valid. Please sign up again.",
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"removed_title": "Data removed",
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"removed_msg": "Your personal data has been anonymized. You will not receive any further emails from us.",
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"invalid_unsub": "This unsubscribe link is no longer valid. Contact privacy@adiuvai.com if you need help.",
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"invalid_title": "Invalid or expired link",
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"btn": "Go to adiuvai.com",
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},
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"it": {
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"confirmed_title": "Sei confermato!",
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"confirmed_msg": "La tua email è stata verificata. Ti avviseremo quando adiuvAI sarà pronto.",
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"invalid_confirm": "Questo link di conferma non è più valido. Iscriviti di nuovo.",
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"removed_title": "Dati rimossi",
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"removed_msg": "I tuoi dati personali sono stati anonimizzati. Non riceverai più email da noi.",
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"invalid_unsub": "Questo link di cancellazione non è più valido. Contatta privacy@adiuvai.com per assistenza.",
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"invalid_title": "Link non valido o scaduto",
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"btn": "Vai su adiuvai.com",
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},
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"es": {
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"confirmed_title": "¡Estás confirmado!",
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"confirmed_msg": "Tu correo ha sido verificado. Te avisaremos cuando adiuvAI esté listo.",
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"invalid_confirm": "Este enlace de confirmación ya no es válido. Regístrate de nuevo.",
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"removed_title": "Datos eliminados",
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"removed_msg": "Tus datos personales han sido anonimizados. No recibirás más correos de nuestra parte.",
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"invalid_unsub": "Este enlace de cancelación ya no es válido. Contacta privacy@adiuvai.com si necesitas ayuda.",
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"invalid_title": "Enlace no válido o expirado",
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"btn": "Ir a adiuvai.com",
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},
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"fr": {
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"confirmed_title": "Vous êtes confirmé !",
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"confirmed_msg": "Votre e‑mail a été vérifié. Nous vous préviendrons quand adiuvAI sera prêt.",
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"invalid_confirm": "Ce lien de confirmation n'est plus valide. Veuillez vous inscrire à nouveau.",
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"removed_title": "Données supprimées",
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"removed_msg": "Vos données personnelles ont été anonymisées. Vous ne recevrez plus d'e‑mails de notre part.",
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"invalid_unsub": "Ce lien de désinscription n'est plus valide. Contactez privacy@adiuvai.com pour obtenir de l'aide.",
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"invalid_title": "Lien non valide ou expiré",
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"btn": "Aller sur adiuvai.com",
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},
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"de": {
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"confirmed_title": "Du bist bestätigt!",
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"confirmed_msg": "Deine E‑Mail wurde verifiziert. Wir benachrichtigen dich, wenn adiuvAI bereit ist.",
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"invalid_confirm": "Dieser Bestätigungslink ist nicht mehr gültig. Bitte melde dich erneut an.",
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"removed_title": "Daten entfernt",
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"removed_msg": "Deine persönlichen Daten wurden anonymisiert. Du wirst keine weiteren E‑Mails von uns erhalten.",
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"invalid_unsub": "Dieser Abmeldelink ist nicht mehr gültig. Kontaktiere privacy@adiuvai.com für Hilfe.",
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"invalid_title": "Ungültiger oder abgelaufener Link",
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"btn": "Zu adiuvai.com",
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},
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}
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t = _PAGE_I18N.get(lang, _PAGE_I18N["en"])
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html_lang = lang if lang in _PAGE_I18N else "en"
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if variant == "unsubscribe":
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if success:
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title = "Data removed"
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message = "Your personal data has been anonymized. You will not receive any further emails from us."
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title = t["removed_title"]
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message = t["removed_msg"]
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icon_bg = "rgba(251,200,129,0.12)"
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icon_border = "rgba(251,200,129,0.25)"
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icon_svg = '<svg viewBox="0 0 24 24" width="24" height="24" fill="none" stroke="#e5a94e" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"/></svg>'
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else:
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title = "Invalid or expired link"
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message = "This unsubscribe link is no longer valid. Contact privacy@adiuvai.com if you need help."
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title = t["invalid_title"]
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message = t["invalid_unsub"]
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icon_bg = "rgba(220,38,38,0.08)"
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icon_border = "rgba(220,38,38,0.18)"
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icon_svg = '<svg viewBox="0 0 24 24" width="24" height="24" fill="none" stroke="#dc2626" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><line x1="18" y1="6" x2="6" y2="18"/><line x1="6" y1="6" x2="18" y2="18"/></svg>'
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elif success:
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title = "You’re confirmed!"
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message = "Your email has been verified. We’ll notify you when adiuvAI is ready."
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title = t["confirmed_title"]
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message = t["confirmed_msg"]
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icon_bg = "rgba(251,200,129,0.12)"
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icon_border = "rgba(251,200,129,0.25)"
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icon_svg = '<svg viewBox="0 0 24 24" width="24" height="24" fill="none" stroke="#e5a94e" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"/></svg>'
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else:
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title = "Invalid or expired link"
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message = "This confirmation link is no longer valid. Please sign up again."
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title = t["invalid_title"]
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message = t["invalid_confirm"]
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icon_bg = "rgba(220,38,38,0.08)"
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icon_border = "rgba(220,38,38,0.18)"
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icon_svg = '<svg viewBox="0 0 24 24" width="24" height="24" fill="none" stroke="#dc2626" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><line x1="18" y1="6" x2="6" y2="18"/><line x1="6" y1="6" x2="18" y2="18"/></svg>'
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btn_label = t["btn"]
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return f"""\
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<!DOCTYPE html>
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<html lang="en">
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<html lang="{html_lang}">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width,initial-scale=1">
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@@ -264,7 +332,7 @@ def _result_page(*, success: bool, variant: str = "confirm") -> str:
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<div class="icon">{icon_svg}</div>
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<h1>{title}</h1>
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<p>{message}</p>
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<a href="https://adiuvai.com" class="btn">Go to adiuvai.com</a>
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<a href="https://adiuvai.com" class="btn">{btn_label}</a>
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</div>
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</body>
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</html>"""
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