feat: implement full project generation engine and LLM router for conversational state management

feat: add recommendation engine configuration and prompt builder modules

feat: implement full project generation module with automated documentation and prompt parsing

feat: implement chatbot engine and prompt builder modules for graduation project recommendation and validation

feat: implement recommendation engine architecture with chatbot logic, intent classification, and project validation modules.

feat: implement recommendation engine components for novel project idea generation

feat: implement core chatbot engine and prompt builder modules for recommendation system

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