- Wider phase cards (w-64 → w-72) to reduce task name truncation
- Left border accent colored by phase status for quick visual scanning
- Task count (completed/total) in phase header
- Thin progress bar below header showing completion percentage
- Collapsible task lists: phases with >5 tasks collapse with "N more" toggle
- Blocked-by count styled as a pill badge ("3 deps" instead of "blocked by 3")
- Dashed column connectors with better spacing between pipeline stages
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