הפיכת כל קובץ לקישור

curl https://api.ocrrouter.ai/v1/files \
  -H "Authorization: Bearer $OCRROUTER_API_KEY" \
  -F "file=@report.pdf" \
  -F "public=true" \
  -F "expires_in=604800"

# {"id":"file_…","url":"https://ocrrouter.ai/f/…/report.pdf","expires_at":"…"}