leniu-api-development

API interface development specification for the leniu-yunshitang-core project. A guide to API development based on a four-layer architecture. Trigger scenarios: - Designing API interfaces for the leniu project - Implementing Controller layer code for leniu - Configuring interface permissions and parameter validation - Choosing interface return value types - Multi-client routing planning (Web/Mobile/Android) Applicable project: leniu-tengyun-core (Cloud Canteen project) Trigger keywords: API interface, Controller, LeResult, LeResponse, LeRequest, interface development, route prefix, paginated query, interface permissions