Task 486: Strengthen Analysis Cross-Checks for EP01, EP03, EP04

Status: DONE

Summary

Replace remaining hardcoded string assertions with analysis-derived cross-checks:

• EP01: Hohmann baseline via analysis.hohmann.totalDv/transferTimeDays, 150h route accel via analysis.brachistochrone150h[0].accelG, thrust boundary via analysis.boundaries.thrustBoundary72h.thrustMN
• EP03: Saturn escape ΔV via analysis.saturnDeparture.dvEscapeFromEnceladusKms, Saturn orbital velocity via analysis.saturnDeparture.saturnOrbitalVKms, Hohmann transferTimeYears added
• EP04: Titania escape ΔV via analysis.uranusDeparture.dvEscapeFromTitaniaKms

Also removed redundant hardcoded EP03 Hohmann test (values already covered by analysis-derived check).

Impact

• Analysis-derived cross-checks now cover departure ΔV for all 5 episodes
• Hohmann baseline cross-checked for all 5 episodes (EP01 via days, EP02-05 via years)
• Catches report-analysis drift for 7 additional values across 3 episodes