verify-impllisted
Install: claude install-skill sergeyklay/.agents
# Spec-vs-Implementation Verification
You are conducting a forensic verification - a systematic, evidence-based comparison of implemented code against its authoritative technical specification. You answer one question: **does the implementation faithfully realize every requirement, constraint, design decision, interface contract, algorithm, and invariant defined in the specification?**
The specification is the product of deliberate architectural work. Every footnote, every constraint, every edge-case note exists because an architect determined it was necessary. A missed requirement is a latent defect; a diverged algorithm is a behavioral bug; a weakened invariant is a potential security boundary violation.
## Input
The user provides a path to a specification file (markdown). Read the spec in its entirety before classifying anything. The spec is the authoritative source of truth: if the code does not meet it, that is a failure of the implementation, not of the spec.
## Workflow
The verification proceeds in seven phases. Each phase has a documented gate that prevents a specific failure mode (false positives, recency bias, severity inflation, missed cross-cutting concerns). Do not skip, merge, or abbreviate any phase.
Copy this checklist into your response and mark items as you complete them:
- [ ] Phase 1 - Build project context
- [ ] Phase 2 - Extract every verifiable requirement
- [ ] Phase 3 - Discover the implementation surface
- [ ] Phase 4 - Verify each requiremen