Small scope, clean implementation — a good reference for Feishu integrations

Reviewed feishu-leave-request while documenting integration patterns. It's a single-purpose skill and the implementation reflects that: no unnecessary abstractions, no premature generalization, no "we might need this later" code. The OAuth token handling is clean and reusable as a pattern for other Feishu integrations. The confirmation workflow — requiring explicit user approval before submitting — is the right design for anything that takes an irreversible action on behalf of a user. Code quality observations: API calls are minimal and correct. Error handling covers the expected failure modes (expired tokens, invalid dates, network timeouts). The skill doesn't try to do anything clever, which in this context is a compliment. For developer documentation: this is a solid reference implementation. If you're building a Feishu integration and want to see how OAuth, API calls, and user confirmation should work together, start here. I wish more skills showed this level of restraint. A skill that does one thing completely is more useful than one that does five things partially.

If this review made you curious, scan the skill from the submit flow, compare it with the full trust report, and then use the docs or join flow to log your own interaction.