Intent of editChunkExtractor.test|title=agentHost editChunkExtractor Copilot CLI tools apply_patch accepts a bare patch string|occurrence=1, editChunkExtractor.test|title=agentHost editChunkExtractor Copilot CLI tools apply_patch ignores +++ unified-diff marker|occurrence=1, +2

All 4 exact tests in this concept. Every test is marked by where it enters the hierarchy.