# Web Audio Oscillator

Demonstrates the Web Audio API by generating and playing a musical scale using OscillatorNode.

## Core Concepts
- `AudioContext` creation and lifecycle
- `OscillatorNode` frequency control and envelope
- `GainNode` for amplitude shaping
- `AnalyserNode` for real-time waveform display

## Usage
Open in any modern browser. The skill plays C4→C5 scale automatically and renders an oscilloscope.