fix: add docstrings to semantic search tools to prevent null description#431

dj0nes wants to merge 2 commits intovitali87:mainvitali87/code-graph-rag:mainfrom

dj0nes:fix/lm-studio-tool-null-descriptiondj0nes/code-graph-rag:fix/lm-studio-tool-null-descriptionCopy head branch name to clipboard