Add test for streaming prompt in OpenAIChatClient

Update Spring Boot version and enhance chat client tests

Refactor services and consolidate tools.

Update dependencies, tests, and refactor service logic

Enable 'rag' profile and adjust JVM arguments for tests

Upgrade Spring Boot and AI dependencies, adjust imports, and tests.

Update dependencies and rename method in test

Refactor to use EmbeddingModel bean in vectorStore config

Remove RAG service and related components

Disable web logging and update AI configurations

Update dependencies and enhance image generation features

Switch to Google Gemini and update test evaluations

Remove Chroma integration and related Docker setup

Update Spring Boot and dependencies

Remove bikesVectorStore.json from resources