Review round 1 on PR #195: - A refused marker or archive write left no marker, so the note was reprocessed every interval (archive copies piling up; an LLM call per round on the failure path). The marker check now uses Lstat (any entry at the marker path counts, so a dangling marker link skips the note instead of looping), and a note whose archive copy or marker write is refused is remembered (path, size, mtime) and not retried until it changes. - cleanRel no longer refuses a backslash: it is a legal filename byte on Linux, not a traversal, and a raw note named with one was never archived or marked. - Tests now reach every converted writer: the log.md append (real raw/failed so the log is reached, symlinked log.md), a dangling marker link, the refused-retry loop with a positive control, a backslash name, a buildAndWrite swap race, and the claude-session archive with in-brain and outside symlinked archive dirs. The stale lint allowlist entry for appendWatcherLog is removed. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>