Task 564: Add inline 3D viewers to EP01 and EP04 — all episodes covered

Status: DONE

Summary

Added inline 3D viewers to the remaining episodes (EP01 and EP04), completing

coverage across all 5 episodes.

• EP01: full-route scene (overview of the entire journey from departure)
• EP04: uranus-approach + full-route scene switcher (departure from Titania + journey context)

Files changed

• reports/data/episodes/ep01.md — 3d-viewer directive (full-route)
• reports/data/episodes/ep04.md — 3d-viewer directive (uranus-approach + full-route)
• ts/e2e/reports.spec.ts — 2 new/updated E2E tests (283→284 E2E)

Impact

• All 5 episodes now have inline 3D viewers
• EP01: full-route, EP02: saturn-ring, EP03: saturn-ring, EP04: uranus-approach+full-route, EP05: uranus-approach