Xcode Compilation Analyzer Use this skill when compile time, not just general project configuration, looks like the bottleneck. Core Rules - Start from evidence, ideally a recent artifact or raw timing-summary output. - Prefer analysis-only compiler flags over persistent project edits during investigation. - Rank findings by expected wall-clock impact, not cumulative compile-time impact. When compile tasks are heavily parallelized (sum of compile categories wall-clock median), note that fixing individual hotspots may improve parallel efficiency without reducing build wait time. - When the evi…