All pages use config-driven org info via data.orgConfig — no hardcoded
org names, emails, or external URLs. Stripe donate page gracefully falls
back to a contact CTA when STRIPE_SECRET_KEY is not configured.
RateLimiter applied to contact form and happy tails submission.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
