Run copier update with payment_provider=paddle to switch all billing
integration: routes, config, schema columns, webhook handling, tests,
and CI deploy secrets. Add one-time migration script for renaming
lemonsqueezy_* columns to paddle_* in production DB.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
GitLab CI runs pytest + ruff on master/MRs, then auto-deploys via SSH.
Blue-green strategy using Docker Compose profiles with an nginx router
on port 5000 for zero-downtime switching between slots.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>