完成 Channel 配对

curl -s -X POST 'https://api.qoder.com/api/v1/forward/channel_pairings' \
  -H "Authorization: Bearer $QODER_PAT" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: pairing-K7MP92" \
  -d '{
    "code": "K7MP92",
    "identity_id": "idn_019eabc123",
    "template_id": "tmpl_workspace_dev"
  }'

{
  "id": "pair_019eabc123",
  "type": "channel_pairing",
  "channel_id": "channel_019eabc123",
  "identity_id": "idn_019eabc123",
  "template_id": "tmpl_workspace_dev",
  "status": "active",
  "paired_at": "2026-07-16T10:00:00Z"
}