Palace of Fine Arts, attempt 3 — sessions, gates, QA rounds, hero score, cumulative cost

Local time (+02:00), 2026-09-06 to 2026-09-10. Hero score from docs/qa_round_*.md; cumulative nominal API cost from docs/usage/sessions.json (list rates, this project only; total $1,475). Sessions are the six Claude Code transcripts; grey bands are the gaps between them.

lead sessionQA round (hero score)phase gate / deliverystop, restart, checkpointkill / defectcumulative cost, $

#	session	start	end	wall h	cost