- Add previous_references JSON column to kycs table for reference archiving
- Kyc model: archiveCurrentReference(), findByPreviousReference(), ownsReference()
- KycManager: importVerification() for admin imports and cross-environment data transfer
- KycManager: resolveKycFromWebhook() with 3-step fallback (direct, archived, email)
- StatusService: findOrCreateKyc() checks archived references before creating new records
- Update Boost skills and guidelines documentation
- Bump version to 1.8.0

Made-with: Cursor