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    "title": "Procedural SFX & Scene Composer",
    "description": "Generate fresh, sample-free WAV sound effects and short scenes for apps, games, and motion design. Choose 12 procedural sound families or mix up to 8 cues. Seeded, reproducible output with ZIP, stems, cue sheet, and JSON metadata. No external audio API.",
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              "scene"
            ],
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          },
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            "minLength": 1,
            "maxLength": 128,
            "type": "string",
            "description": "Repeat the same seed and settings on the same engine/runtime build to get byte-identical WAV and ZIP outputs.",
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            "minItems": 1,
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                "ui_confirm",
                "ui_error",
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                "coin",
                "jump",
                "laser",
                "hit",
                "explosion",
                "whoosh",
                "bell",
                "ambient_drone"
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          "sceneDurationSeconds": {
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