fix(locks): fix kv locks

[rossmcewan]

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Fix KVLocks race conditions with atomic KVStore compare-and-mutate operations

This PR is a significant lock correctness update focused on preventing stale-owner races in KVLocks. The lock implementation in packages/runner/lib/sdk/locks.ts is rewritten to use KVStore directly (instead of Locking), with stable logical lock keys (runner:lock: + hash of logical key), owner value checks, and companion owner-index keys to support safe acquire/refresh/release/release-all behavior.

To support this, the KVStore interface is extended with atomic compare-and-mutate APIs (including companion-key variants), implemented in both packages/kvstore/lib/InMemoryStore.ts and packages/kvstore/lib/RedisStore.ts (Redis via Lua EVAL scripts). Runtime wiring in packages/lambda-runner/lib/index.ts now passes KVStore to KVLocks, and tests were substantially expanded across lock/store unit and integration suites to validate concurrency and race regressions.

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This summary was automatically generated by @propel-code-bot

[propel-code-bot]

Review found no issues; lock race-condition fixes and atomic KV operations look sound.

Status: No Issues Found | Risk: Low

Review Details

📁 9 files reviewed | 💬 0 comments

Instruction Files

└── .claude/
    ├── agents/
    │   └── nango-docs-migrator.md
    └── skills