fix(mcp): treat empty optionalString args as absent so ctx_search file: "" searches unfiltered#80

serhiizghama wants to merge 2 commits into

agentctxhq:mainagentctxhq/agentctx:mainfrom

serhiizghama:fix/optional-string-empty-as-absentserhiizghama/agentctx:fix/optional-string-empty-as-absentCopy head branch name to clipboard