Session Checkpoint

Capture a complete, resumable snapshot of in-flight work to ~/.ai/checkpoints/<owner>__<repo>/CHECKPOINT.md. Records branch, HEAD SHA, dirty files, active goal, decisions made, files in flight, last green state, next step, open questions, and a verify-on-resume list. Use before /clear, at context limits, or at phase boundaries.

Class skillID skill/checkpointVersion 1.0.0Lifecycle stableAuthor convergent-systems-key

/checkpoint/checkpoint auto/checkpoint show/checkpoint resume/checkpoint resume <UTC>/checkpoint list

codesessioncontinuitycheckpointhandoff

System prompt fragment

Save a session checkpoint to ~/.ai/checkpoints/__/CHECKPOINT.md. Gather: (1) branch + HEAD SHA, (2) dirty files, (3) active goal from issue/plan, (4) decisions made this session with rationale, (5) files in flight with line ranges, (6) last green test/build command, (7) next step (one imperative sentence), (8) open questions blocking progress, (9) verify-on-resume list of assertions that must be re-checked against live state. MUST NOT contain secrets. Write timestamp file and update CHECKPOINT.md pointer.

Attribution: convergent-systems-key. License: Apache-2.0 or as stated by the originating repository.