# Specification Quality Checklist: MailioReceipt v1 Library

**Purpose**: Validate specification completeness and quality before proceeding to planning
**Created**: 2026-02-04
**Updated**: 2026-02-04 (post-clarification)
**Feature**: [spec.md](../spec.md)
**Status**: ✅ PASSED

## Content Quality

- [x] No implementation details (languages, frameworks, APIs)
- [x] Focused on user value and business needs
- [x] Written for non-technical stakeholders
- [x] All mandatory sections completed

## Requirement Completeness

- [x] No [NEEDS CLARIFICATION] markers remain
- [x] Requirements are testable and unambiguous
- [x] Success criteria are measurable
- [x] Success criteria are technology-agnostic (no implementation details)
- [x] All acceptance scenarios are defined
- [x] Edge cases are identified
- [x] Scope is clearly bounded (Out of Scope section added)
- [x] Dependencies and assumptions identified

## Feature Readiness

- [x] All functional requirements have clear acceptance criteria
- [x] User scenarios cover primary flows
- [x] Feature meets measurable outcomes defined in Success Criteria
- [x] No implementation details leak into specification

## Validation Summary

| Category              | Items | Passed | Status |
|-----------------------|-------|--------|--------|
| Content Quality       | 4     | 4      | ✅      |
| Requirement Complete  | 8     | 8      | ✅      |
| Feature Readiness     | 4     | 4      | ✅      |
| **Total**             | 16    | 16     | ✅      |

## Clarification Session Summary

**Date**: 2026-02-04
**Questions Asked**: 1 (resolved via design document alignment)

**Resolved**:
- Authorization model for approvals/revocations → Any valid signer; policy enforcement in consuming app

**Changes Made**:
- Updated spec to align with comprehensive design document
- Added 29 functional requirements (FR-001 through FR-029)
- Added 8 predefined intent kinds for v1 lifecycle
- Added detailed entity definitions (MailioReceipt, Event, Flow, Actors, Intent, Chain, Binding, Signature)
- Added Out of Scope section
- Added Clarifications section with session record
- Expanded user stories from 5 to 7
- Added success criteria for binding verification and chain branching

## Notes

- Specification is ready for `/speckit.plan`
- Design document provided comprehensive details eliminating need for additional clarification questions
- All critical ambiguities resolved from design document
