Upload a video file to get a file_id for chat operations.
Supported formats: MP4, MOV, AVI, WMV, WEBM, FLV, MKV, MPEG, 3GP
Note: For YouTube videos, use /ingest/v1/api/youtube instead.
Required Headers:
Authorization: Bearer YOUR_API_KEYWorkflow:
file_idfile_id with /chat/v1/api/video/:type endpoint