fix(mcp): return semantic-only graph results as primary#938

dpersek wants to merge 3 commits into

DeusData:mainDeusData/codebase-memory-mcp:mainfrom

dpersek:codex/issue-915-semantic-query-rankingdpersek/codebase-memory-mcp:codex/issue-915-semantic-query-rankingCopy head branch name to clipboard