Add verification skill for quality assurance

skills/meta/verification.md

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+---
+name: verification
+description: Use before claiming any work is complete. Requires running verification commands and confirming output before making success claims.
+category: meta
+token_budget: 800
+---
+
+# Skill: Verification Before Completion
+
+## The Iron Law
+**Evidence before assertions.** Never claim success without proof.
+
+## Required Steps
+
+### Before Saying "Done"
+1. Run all relevant tests
+2. Check actual output (not just "it should work")
+3. Verify the original requirement is met
+4. Confirm no regressions
+
+### Before Saying "Fixed"
+1. Reproduce the original bug
+2. Apply the fix
+3. Verify bug no longer occurs
+4. Check for related edge cases
+
+### Before Saying "Passing"
+1. Run the actual test command
+2. Read the output
+3. Confirm all tests pass
+4. Note any skipped tests
+
+## Anti-Patterns
+- "It should work now" (without testing)
+- "Tests pass" (without running them)
+- "Fixed" (without verifying)
+- "Complete" (without checking requirements)
+
+## Output Format
+```markdown
+## Verification Report
+
+### Tests Run
+- [command]: [result]
+
+### Output Confirmed
+- [what was checked]: [actual result]
+
+### Requirements Met
+- [requirement]: [evidence]
+
+### Status: VERIFIED | NEEDS_WORK
+```
+
+## Token Budget: 800 tokens max