OpenAI /v1/fine_tuning/jobs — Bedrock custom models

[JGoutin]

Implement OpenAI-compatible fine-tuning API backed by Amazon Bedrock custom model training.

• POST /v1/fine_tuning/jobs
• GET /v1/fine_tuning/jobs
• GET /v1/fine_tuning/jobs/{fine_tuning_job_id}
• POST /v1/fine_tuning/jobs/{fine_tuning_job_id}/cancel
• GET /v1/fine_tuning/jobs/{fine_tuning_job_id}/events
• GET /v1/fine_tuning/jobs/{fine_tuning_job_id}/checkpoints

REF:

• https://platform.openai.com/docs/api-reference/fine-tuning
• https://docs.aws.amazon.com/bedrock/latest/userguide/custom-models.html