supersam/docs/superpowers/skills/verification-before-completion/SKILL.md

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name description
verification-before-completion Use when about to claim work is complete, fixed, or passing, before committing or creating PRs

Verification Before Completion

Overview

Claiming work is complete without verification is dishonesty, not efficiency.

Core principle: Evidence before claims, always.

The Iron Law

NO COMPLETION CLAIMS WITHOUT FRESH VERIFICATION EVIDENCE

If you haven't run the verification command in this message, you cannot claim it passes.

The Gate Function

BEFORE claiming any status or expressing satisfaction:
1. IDENTIFY: What command proves this claim?
2. RUN: Execute the FULL command (fresh, complete)
3. READ: Full output, check exit code, count failures
4. VERIFY: Does output confirm the claim?
   - If NO: State actual status with evidence
   - If YES: State claim WITH evidence
5. ONLY THEN: Make the claim

This Project's Verification Commands

Claim Command
Tests pass npm run test
Lint clean npm run lint
Build succeeds npm run build
Dev server works npm run dev (check browser + terminal)

Common Failures

Claim Requires Not Sufficient
Tests pass npm run test output: 0 failures Previous run, "should pass"
Lint clean npm run lint output: 0 errors Partial check
Build succeeds npm run build: exit 0 Lint passing
Bug fixed Test original symptom: passes Code changed, assumed fixed

Red Flags — STOP

  • Using "should", "probably", "seems to"
  • Expressing satisfaction before verification ("Great!", "Perfect!", "Done!")
  • About to commit without verification
  • Relying on partial verification
  • Thinking "just this once"

Key Patterns

Tests:

✅ [Run npm test] [See: all pass] "All tests pass"
❌ "Should pass now" / "Looks correct"

Build:

✅ [Run npm run build] [See: exit 0] "Build succeeds"
❌ "Lint passed" (lint ≠ build)

The Bottom Line

No shortcuts for verification. Run the command. Read the output. THEN claim the result.