{"type":"title","title":"OMP digest fixture"}
{"type":"session","id":"omp-digest-sample","cwd":"/workspace/project"}
{"type":"message","id":"m1","parentId":null,"timestamp":"2026-07-14T10:00:00.000Z","message":{"role":"user","content":[{"type":"text","text":"Add src/a.rs"}]}}
{"type":"message","id":"m2","parentId":"m1","timestamp":"2026-07-14T10:00:01.000Z","message":{"role":"assistant","content":[{"type":"thinking","thinking":"not digest-salient"},{"type":"text","text":"Writing src/a.rs."},{"type":"toolCall","id":"t1","name":"write","arguments":{"path":"src/a.rs"}}]}}
{"type":"message","id":"m3","parentId":"m2","timestamp":"2026-07-14T10:00:02.000Z","message":{"role":"toolResult","toolCallId":"t1","content":[{"type":"text","text":"ok"}]}}
{"type":"custom","customType":"lifecycle","data":{"state":"idle"}}
this line is deliberately invalid and must be skipped
{"type":"message","id":"m4","parentId":"m3","timestamp":"2026-07-14T10:00:03.000Z","message":{"role":"assistant","content":[{"type":"text","text":"Done."}]}}