v1.0.0-rc.3

Changelog

Features

• a43e35b: feat(downstream): per-tenant payload transformer with Go text/template (v0.65.0 Fase 3) (@rricajos)

Others

• 5845435: docs(changelog): v0.65.0 release notes — 3 fases de refactor pre-v1 (@rricajos)
• c69a716: feat(downstream,lifecycle): flexible auth + path prefix + multi-subscriber webhooks (v0.65.0 Fase 1) (@rricajos)
• adc6802: refactor(downstream): extract DownstreamAPI interface — adapters first-class (v0.65.0 Fase 2) (@rricajos)