feat: implement 90s arcade sound system and tunnel digging mechanics

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Major enhancements to Lightning Sprint mode:

🎵 90s Arcade Sound System:
- Web Audio API generated sounds (no external files needed)
- 13 different sound types: correct, streak, combo, whoosh, etc.
- Authentic 90s wave types: sawtooth, square, sine, triangle
- Performance-based sound selection (fast responses get whoosh sounds)
- Classic arcade envelopes with attack/decay curves

🦊 Tunnel Digging System:
- Replace track metaphor with fox tunnel digging visualization
- Realistic digging animations with squash/stretch effects
- Depth perspective system without scrolling
- Progressive tunnel darkening and fox glow effects
- Treasure discovery with depth-based rewards (15-40% chance)
- AI foxes dig competitively with rubber band catchup
- Screen shake for very deep digging (20+ correct answers)

🎯 Lightning Sprint Fixes:
- Fixed time-based challenge confusion
- Proper 60-second countdown with automatic game ending
- Visual depth cues instead of infinite scrolling
- Clear time-attack metaphor eliminates distance confusion

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

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This commit is contained in:

Thomas Hallock

2025-09-11 19:35:24 -05:00

parent 573199c7d0

commit a43ab9237e

1 changed files with 1617 additions and 99 deletions

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src/web_generator.py

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