Outside a prototype what’s the benefit? The steps I envision are: 1) turn prompt to embeddings 2) return examples that match from vector db 3) load as examples

Outside a prototype what’s the benefit? The steps I envision are: 1) turn prompt to embeddings 2) return examples that match from vector db 3) load as examples 4) prompt LLM with examples. Am I missing something? Why on earth would you want to import multiple dependencies for this?