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🌊 Wave Expansion Frontier
BFS Traversal — Explore Level by Level
🎮 Controls
▶ Start BFS
⏭ Step
🔄 New Graph
↺ Reset
📥 Queue
FRONT → BACK
✅ Visited Order
💡 BFS Algorithm
1. Start at source node
2. Visit all neighbors first
3. Use queue (FIFO)
4. Explores level by level