Lifecycle & Contract Repair Toolkit
Repair the hidden lifecycle and contract mismatches that create inconsistent behavior across modern applications. This bundle covers audit-event contracts, cache invalidation, cart merging, environment drift, feature-flag lifecycles, invitation flows, money-amount handling, and optimistic-lock behavior. Use it when individual components appear correct but failures emerge at boundaries, retries, stale state, concurrent updates, configuration changes, or incomplete lifecycle transitions.
Works with every agent that reads SKILL.md — Claude Code, Cursor, Codex CLI, Gemini CLI, GitHub Copilot, Windsurf, OpenClaw, and more.
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What's included
8 skills
Repair audit-event contract drift in a repository using Cursor.
Repair cache invalidation drift in a repository using Cursor.
Repair guest-to-account cart merge bugs including duplicate lines, stale prices, coupon leakage, replay races, and checkout state drift.
Fix environment variable contract drift in a repo using Cursor.
Repair feature-flag lifecycle drift in a repository using Cursor.
Repair invitation lifecycle drift across tenant scope, tokens, roles, expiry, resend, revoke, acceptance, account linking, and retries.
Repair money-amount contract drift in a repository using Cursor.
Repair optimistic-concurrency drift in a repository using Cursor.
See it in action
Audit Event Contract Repair
Example session with this skill installed
Align the audit event contract between the UserMutation service and the transactional outbox to ensure actor IDs are consistent and failed attempts are captured.
- Read your context and instructions
- Compiled the audit event contract
I have updated UserMutation.ts to use the AuditedAction interface and modified the OutboxWorker to include the actor_guid. Added a test case in audit_contract_test.ts to verify failure recording.
How to install
Works the same in every agent - Claude, Cursor, Codex, Copilot and 20+ more.
- 1
Download the ZIP
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- 2
Unzip into your skills folder
Every agent reads skills from one folder on your machine. Drop the unzipped folder in there.
- 3
Ask your agent to use it
Restart the agent if it was already running. It picks the skill up automatically - no config needed.
Skills folder by agent
Click the path to copy it. Create the folder if it does not exist yet.
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