Mailcraft PRD v0.1

Source of truth: drafted April 25, 2026 by Lukman.

This file will track PRD deltas as setup and implementation progress.

Status

• Step Zero validation pack: pending kickoff
• SDK v1.0: not started

References

• Validation scorecard: docs/validation/step-zero-scorecard.md
• Verification matrix: docs/verification/test-matrix.md