fix(core): silently skip GEMINI.md paths that are directories (EISDIR)#25662

martin-hsu-test wants to merge 2 commits intogoogle-gemini:maingoogle-gemini/gemini-cli:mainfrom

martin-hsu-test:fix/memory-discovery-eisdirmartin-hsu-test/gemini-cli:fix/memory-discovery-eisdirCopy head branch name to clipboard