GenAI Advanced — 019: pair eval slices on `RAG design trade spaces` — memo `229836 [19]`

Lesson 019: RAG design trade spaces

Focus

Prefer explicit failure rehearsals over aspirational wording. Token RAG design trade spaces:19 keeps neighbouring lessons differentiable.

Key ideas

• Thread: RAG design trade spaces · drill v9 · spin 873712.
• 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

Refusal RACI lite

policy_id: REF-1227
  allow_when:
    confidence_gt: 0.55
  refuse_when_tags:
    - legal_hold
    - medical_device_unverified
  owner: ethics-oncall-adv

Practice

Practice Attach rollback steps if evaluator variance spikes. — 19 Bump literals mindset by 16.