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F3 memory edits go through the same privacy shaping as proposals; F5 seq is derived from the ledger tail so a crash between append and checkpoint never duplicates; F7 transitions re-read under the lock and always write with the loaded revision; F9 secret scrub on titles, passages, claims and notebooks and forget blanks the conversation document; F13 no ghost conversations from notices, idempotency under the lock, artifact titles searchable, normalised paths. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01RNPhwu2bsaRNg3DETSAZoM