intermediateSpring AI — Core, ChatClient & RAG

What vector stores does Spring AI support? How do you switch between them?

PGVector, Chroma, Redis, Pinecone, Milvus, Weaviate, Qdrant, MongoDB Atlas, Elasticsearch, Neo4j and more, all behind one VectorStore abstraction (add(docs), similaritySearch(SearchRequest)) — switching is a dependency + config change, no application-code rewrite.

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