- Click plan nodes (in DAG or list) to see details in side panel
- URL updates to #node-{id} for direct linking
- Node detail panel shows: type, status, inputs, output, config
- Inputs can be clicked to navigate to that node
- Inputs tab now shows media previews (image/video/audio)
- Steps include config data for display
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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