- Travel is now free (no fuel cost for sailing between locations)
- Fuel is only consumed for cooking whale oil (2 fuel per whale)
- Updated TransitionScene to show "The wind carries your sails..." when no fuel cost
- Removed fuel checks from MapScene travel methods
- Added fuel validation in HuntingScene - can't process whales without fuel
- This sets up the penguin burning mechanic for when cooking fuel runs low
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Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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