Вставка комнатного тона для аудиокниг

# 1) Request a presigned URL → returns { uploadUrl, storageKey }
curl -X POST 'https://api.elysiatools.com/api/upload/presign/audio-audiobook-room-tone-inserter' \
  -H 'Content-Type: application/json' \
  -d '{"filename":"chapter1.ext","contentType":"application/octet-stream","size":12345}'
curl -X POST 'https://api.elysiatools.com/api/upload/presign/audio-audiobook-room-tone-inserter' \
  -H 'Content-Type: application/json' \
  -d '{"filename":"chapter2.ext","contentType":"application/octet-stream","size":12345}'
curl -X POST 'https://api.elysiatools.com/api/upload/presign/audio-audiobook-room-tone-inserter' \
  -H 'Content-Type: application/json' \
  -d '{"filename":"chapter3.ext","contentType":"application/octet-stream","size":12345}'
curl -X POST 'https://api.elysiatools.com/api/upload/presign/audio-audiobook-room-tone-inserter' \
  -H 'Content-Type: application/json' \
  -d '{"filename":"roomToneSample.ext","contentType":"application/octet-stream","size":12345}'

# 2) PUT the file bytes directly to the presigned uploadUrl
curl -X PUT '<presigned uploadUrl>' \
  --data-binary @/path/to/file.ext

# 3) Call the tool, passing the returned storageKey for each file field
curl -X POST 'https://api.elysiatools.com/ru/api/tools/audio-audiobook-room-tone-inserter' \
  -F 'chapter1=uploads/2026/01/01/your-tool-1700000000000-abc123.ext' \
  -F 'chapter2=uploads/2026/01/01/your-tool-1700000000000-abc123.ext' \
  -F 'chapter3=uploads/2026/01/01/your-tool-1700000000000-abc123.ext' \
  -F 'toneSource=synthetic' \
  -F 'roomToneSample=uploads/2026/01/01/your-tool-1700000000000-abc123.ext' \
  -F 'leadInSilence=0.5' \
  -F 'leadOutSilence=0.5' \
  -F 'roomToneBetween=0.5' \
  -F 'outputFormat=wav'