sfx-maker: sfxc - sfxr-style .sfx text presets -> 16-bit WAV synthesis

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- waves: square (duty), saw, sine, triangle, pitched noise (seeded, deterministic)
- envelope attack/sustain/decay, freq slide, vibrato, arpeggio jump,
  one-pole low/high-pass filters, clamped output
- presets blip/coin/explosion/hurt/jump/laser/powerup with seeded variants;
  preset writes editable .sfx or renders .wav directly
- go tests: parse/validate, determinism, per-preset RMS, WAV header roundtrip

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01MmdG9GqfSWCzts7AkDwRDh

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claude

2026-07-14 07:08:04 +02:00

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