0.16.0: Deliverability, segmentation, content, and calculator tools
Thirteen new tools + five new skills. DNS-level email auth checks, WCAG email lint, RFM scoring, cohort retention, preheader scoring, Liquid validation, SMS composer, free-shipping / replenishment / exec-report calculators — plus emergency and planning skills.
What shipped
•orbit_check_email_auth — DNS-resolves SPF, DKIM, DMARC for a domain. Flags multi-SPF, >10 lookups, p=none, empty DKIM keys. Returns pass/warn/fail with specific remediation.
•orbit_check_bimi — BIMI record + VMC + DMARC-policy-prerequisite check for Gmail / Yahoo's authenticated-brand rendering.
•orbit_dark_mode_check — scans inline colour pairs and flags invisible-text risk under Apple Mail / Outlook mobile dark-mode inversion.
•orbit_accessibility_lint — WCAG AA lint on email HTML: alt coverage, contrast ratios, heading order, link-text quality, html lang, layout-table role=presentation.
•orbit_rfm_score — quintile-banded Recency / Frequency / Monetary segmentation with named segments (Champions, Loyal Customers, At Risk, Hibernating, Lost, …) and recommended action per segment.
•orbit_cohort_retention — retention curves from enrollment + event data. Per-cohort period-by-period retention% plus aggregate curve.
•orbit_audit_unsubscribe_page — URL-fetch audit for one-click compliance, password-gate detection, preference-centre granularity, and Gmail 2024 bulk-sender signals.
•orbit_validate_liquid — Braze Liquid syntax + fallback + tag-pair balance + optional unknown-attribute check against a supplied inventory.
•orbit_compose_sms — GSM-7 vs UCS-2 detection, segment count, regional compliance footer injection (US CTIA, AU, UK/EU GDPR, CA CASL).
•orbit_free_shipping_threshold — three-band calculator (conservative / standard / aggressive) with net-contribution math under an elasticity assumption.
•orbit_build_exec_report — transforms channel stats into a Notion-ready exec markdown with headline numbers, per-channel table, period-over-period deltas, and a short narrative.
•Five new skills: reputation-recovery (emergency triage when deliverability tanks), apple-mpp-response (reframe engagement metrics post-MPP), gmail-bulk-sender-compliance (2024 rules checklist), esp-migration (4-phase dual-send cutover), quarterly-planning (annual OKRs → 90-day program backlog).