Design for overlaying real execution data onto the ProcessDiagram:
- Node status visualization (green OK, red failed, dimmed skipped)
- Per-compound iteration stepping for loops/splits
- Tabbed detail panel (Info, Headers, Input, Output, Error, Config, Timeline)
- Jump to Error with cross-route drill-down
- Backend prerequisites for iteration fields and snapshot-by-id endpoint
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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