{
  "batchId": "ui_sfx_v3",
  "method": "procedural synthesis (Tools/synth_ui_sfx.py, numpy)",
  "format": "44.1 kHz 16-bit stereo (dual mono)",
  "generatedUtc": "2026-10-21T01:20:43Z",
  "items": [
    {
      "id": "Ui_Click",
      "recipe": "bubble pop 700→1250 Hz + noise tick",
      "peakDb": -6,
      "lengthSec": 0.08
    },
    {
      "id": "Ui_Confirm",
      "recipe": "marimba E6→B6 rising, glockenspiel on top note",
      "peakDb": -5,
      "lengthSec": 0.36
    },
    {
      "id": "Ui_Back",
      "recipe": "soft marimba G6→D6 falling",
      "peakDb": -7,
      "lengthSec": 0.22
    },
    {
      "id": "Ui_Open",
      "recipe": "rising fwip 520→1400 Hz into an E7 ping",
      "peakDb": -7,
      "lengthSec": 0.34
    },
    {
      "id": "Ui_Close",
      "recipe": "falling fwip 1300→480 Hz into a soft G5 tok",
      "peakDb": -7,
      "lengthSec": 0.24
    },
    {
      "id": "Ui_Tab",
      "recipe": "light marimba A6 tick",
      "peakDb": -8,
      "lengthSec": 0.07
    },
    {
      "id": "Ui_Toggle",
      "recipe": "double pop 900→1500 then 1200→1900 Hz",
      "peakDb": -8,
      "lengthSec": 0.1
    },
    {
      "id": "Ui_Claim",
      "recipe": "glockenspiel arpeggio C6-E6-G6-C7 with marimba body and high sparkles",
      "peakDb": -3,
      "lengthSec": 0.78
    },
    {
      "id": "Ui_Deny",
      "recipe": "two soft low boops 330→262 Hz, gentle not harsh",
      "peakDb": -7,
      "lengthSec": 0.27
    },
    {
      "id": "Ui_Notify",
      "recipe": "bell ding-ding G6 then D7",
      "peakDb": -6,
      "lengthSec": 0.52
    }
  ]
}