Task 563: Add inline 3D viewer to EP02 episode report

Status: DONE

Summary

Added inline 3D viewer to EP02 (saturn-ring scene) showing the Jupiter→Saturn

ring crossing geometry with Enceladus orbit visualization.

Files changed

• reports/data/episodes/ep02.md — 3d-viewer directive (saturn-ring)
• ts/e2e/reports.spec.ts — 1 new E2E test (282→283 E2E)

Impact

• EP02 now has interactive 3D Saturn ring crossing viewer
• 3/5 episodes (EP02, EP03, EP05) now have inline 3D viewers