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vcsdd-adversary

Run Phase 3 (adversarial review) for the active VCSDD feature. Spawns a fresh vcsdd-adversary agent with zero Builder context to review implementation against spec. Produces binary PASS/FAIL verdict per dimension.

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SKILL.md (original)

Review the instructions the agent will receive before you install.

What

Runs the adversarial review (Phase 3). Spawns a fresh vcsdd-adversary agent (opus model, review-output-only, zero Builder context) to review the implementation against the spec across 5 dimensions.

When

Run after /vcsdd-impl completes Phases 2b and 2c. Requires active feature at phase 2c. In strict mode, /vcsdd-contract-review must already have produced a PASS verdict for the current sprint contract.

How

  1. Resolve sprint number from state.json.sprintCount (created when Phase 2a starts)
  2. In strict mode, validate contract gate before review:
    • contracts/sprint-N.md must exist
    • frontmatter must include status: approved
    • the contract must define at least one CRIT-XXX criterion
    • reviews/contracts/sprint-N/output/verdict.json must exist and overallVerdict must be PASS
    • reviewContext.contractPath must reference contracts/sprint-N.md
    • reviewContext.contractDigest must still match the approved contract snapshot
    • iteration must equal negotiationRound + 1
  3. Write review manifest to reviews/sprint-N/input/manifest.json:
    {
      "reviewType": "implementation",
      "featureName": "...",
      "sprintNumber": N,
      "contractPath": "contracts/sprint-N.md",
      "artifactsToReview": {
        "spec": ["specs/behavioral-spec.md", "specs/verification-architecture.md"],
        "tests": ["tests/..."],
        "source": ["src/..."]
      },
      "reviewDimensions": ["spec_fidelity", "edge_case_coverage", "implementation_correctness", "structural_integrity", "verification_readiness"]
    }
    
  4. Create output directories: reviews/sprint-N/output/findings/
  5. Spawn FRESH vcsdd-adversary agent: this MUST be a new agent with no Builder context
  6. Collect outputs after adversary completes:
    • reviews/sprint-N/output/verdict.json
    • reviews/sprint-N/output/findings/FIND-NNN.json (one per finding)
  7. Record gate: recordGate(feature, '3', overallVerdict, 'adversary')
  8. If PASS: transition to Phase 5 in all modes, display summary
  9. If FAIL: display findings grouped by dimension/category, proceed to /vcsdd-feedback

Fresh Context Requirement

The adversary MUST be spawned as a new Agent instance. Do NOT:

  • Pass Builder conversation history
  • Share the current conversation context
  • Let the adversary see Builder's reasoning

The adversary reads ONLY from disk (review manifest + source files).

Examples

/vcsdd-adversary
/vcsdd-adversary --sprint 2    # specify sprint number explicitly

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