- Route line auto-updates on day select, reorder, assign, remove (no manual button)
- Remove manual route calculation button (keep optimize + Google Maps)
- Lock places at their position during route optimization (click avatar to toggle)
- Locked places shown with red background, border and lock overlay
- Custom tooltip for lock feature (DE/EN, dark mode)
- Fix map zoom: panTo instead of setView keeps current zoom level
- Fix fitBounds only on actual day change, not on place click
- Missing translations: needTwoPlaces, routeOptimized, noGeoPlaces
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