Update app/services/training_service.py

Update app/services/training_service.py

Update app/services/training_service.py

Update app/services/training_service.py

CRITICAL FIX: Use job_id from config to match DB record - fixes job tracking issue

Fix training service - add DB progress updates, column mapping, prompt templates

Add services package init

Add HuggingFace Hub service

Add core training service

Add training queue service