Dotfiles Failure Archaeology

Chronicle of every settled investigation, dead end, and revert in this dotfiles repo, with commit hashes and lessons -- load BEFORE re-investigating anything that smells already-decided. Trigger on "why was X removed", "has this been tried before", "why doesn't the SessionStart hook install plugins", "should we re-add tiered orchestration / a per-task Codex gate", "can we reinstall gsd / get-shit-done", "why are ECC rules untracked", "why not mirror plugins into ~/.codex", or any proposal to revert a revert. For live symptom triage use dotfiles-debugging-playbook; for how changes are gated use dotfiles-change-control; for current design rationale use dotfiles-architecture…