{"type":"user","sessionId":"00000000-0000-4000-8000-000000000002","uuid":"synthetic-user-1","parentUuid":null,"cwd":"/synthetic/project","timestamp":"2026-10-06T00:00:00Z","message":{"role":"user","content":[{"type":"text","text":"Question"}]}}
{"type":"assistant","sessionId":"00000000-0000-4000-8000-000000000002","uuid":"synthetic-assistant-1","parentUuid":"synthetic-user-1","timestamp":"2026-10-06T00:00:01Z","message":{"role":"assistant","model":"synthetic-model","content":[{"type":"thinking","thinking":"Hidden"},{"type":"text","text":"Answer"},{"type":"tool_use","id":"tool-synthetic","name":"Read","input":{"file_path":"synthetic.txt"}}]}}
{"type":"user","sessionId":"00000000-0000-4000-8000-000000000002","uuid":"synthetic-result-1","parentUuid":"synthetic-assistant-1","timestamp":"2026-10-06T00:00:02Z","message":{"role":"user","content":[{"type":"tool_result","tool_use_id":"tool-synthetic","content":"Synthetic tool output","is_error":false}]}}
{"type":"user","sessionId":"00000000-0000-4000-8000-000000000002","uuid":"synthetic-user-2","parentUuid":"synthetic-result-1","timestamp":"2026-10-06T00:00:03Z","message":{"role":"user","content":"Legacy string"}}
{"type":"custom-title","customTitle":"Synthetic title, not a message"}