Task 250: Episode-Specific E2E Tests

Status: DONE

Description

Added episode-specific E2E tests for EP02-EP05. Previously, episode pages only had 7 generic tests (shared across all 5) plus 1 EP01-specific test. Now each episode has dedicated feature tests.

Tests Added (13)

EP02 (+3)

• ✅ Has margin gauge section
• ✅ Has 5 transfer analysis sections (verdict badges)
• ✅ Has timeseries chart

EP03 (+3)

• ✅ Has margin gauge with navigation accuracy
• ✅ Has velocity profile timeseries chart
• ✅ Has IF analysis sections (explorations)

EP04 (+3)

• ✅ Has plasmoid radiation timeseries chart
• ✅ Has margin gauge with radiation/shield data
• ✅ Has 5 transfer analysis sections

EP05 (+4)

• ✅ Has nozzle lifespan timeseries chart
• ✅ Has margin gauge for nozzle
• ✅ Has interactive brachistochrone calculator
• ✅ Has multiple IF-analysis explorations

Stats

• E2E tests: 172 → 185 (+13)
• All 2,545 tests pass (0 failures)