New

• dashboard: add live email event activity stream with SSE #231
• dashboard: auto-generate API key on signup for instant onboarding #230
• security: add comprehensive abuse prevention hardening #229
• api: add scheduled email sending with delayed delivery #228
• smtp: add configurable inbound SMTP rate limiting #227
• dashboard: add DNS provider-specific setup wizard #226
• landing: add og:image for light theme brand #223
• landing: unify Zola templates with light theme #222
• landing: redesign with Nordic light theme #221

Fixed

• common: replace positional params with named structs #225