CopyFile copies a file from src to dst.

Ext2Lang derives language from file extension.

MeanVector returns the mean vector of a set of embedding vectors.

Similarity returns the cosine Similarity between two embeddings.

StringInSlice returns true if str is in list.

meanSimilarity returns the mean cosine similarity between two sets of embeddings.

All means to use all chat messages and all documents in the repository for context.

Chat means to use all chat messages for context.

ContextNone means to add no context.

Recent means to use only the most recent chat messages for context.