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Sep 24, 2026 · Backend Development

Spring AI 2.0 OA System: Architecture, RAG & Tool Calling Deep Dive

This article details the design of an AI-powered OA system built with Spring Boot 4, Vue 3, and Spring AI 2.0, covering three AI capabilities (smart leave forms, approval tracking, RAG policy QA), a four-role permission model, two-level approval engine, database schema, API endpoints, and vector retrieval configuration using Redis Stack and Alibaba Qwen models.