Lesson 119: Domain adaptation levers
Focus
Bias toward observable metrics, not model marketing. Token Domain adaptation levers:119 keeps neighbouring lessons differentiable.
Key ideas
- Thread: Domain adaptation levers · drill v9 · spin
676018. - Habit: pair every model utterance with a trace_id you could paste into Grafana.
- Guardrail: write one RACI bullet referencing this lesson tomorrow.
Deep dive notebook
Synthetic drill artefacts
Retrieval partitioning plan
| Slice | Tokens | Retrieval mode | Notes |
|-------|--------|----------------|-------|
| FAQs | 502 | hybrid@0.56 | keep tables contiguous |
| Policies | 541 | dense@0.71 | include footnotes |
Drill: justify why chunk boundaries fall where they do for lesson 119.
Practice
Practice Draft three eval assertions QA must greenlight before launch. — 119 Bump literals mindset by 33.