TRACKMANIARL / SYSTEM GUIDE / 02 Resume the complete training state An exact resume restores one continuous run history, including unapplied durable experience. 01 Capture 02 Save durably 03 Recover Running learner Replay + optimizerRNG + counters Coherent capture State + applied WALfrontier Durable write Write a temporary file,fsync, then replace. Checkpoint 2.0 State, identity andWAL frontier Validate recovery Schema + run identityJournal + prune floor Restore + replay WAL Restore stateReplay WAL by row ID RECOVERY GATEA foreign journal or an invalid frontier isrejected. Prune WAL only after the checkpoint isdurable. WARM-START IS DIFFERENTLoading compatible model tensors starts a newrun. It does not restore replay, optimizer orRNG.