Lesson 170: Audit-ready portfolio evidence
Focus
Document interfaces between retrieval, prompts, and policy engines. Token Audit-ready portfolio evidence:170 keeps neighbouring lessons differentiable.
Key ideas
- Thread: Audit-ready portfolio evidence · drill v10 · spin
355207. - Habit: attach a trace_id to every completion you would paste into an ops dashboard.
- Guardrail: add one RACI bullet for prompt or index changes before tomorrow's standup.
Deep dive notebook
Synthetic drill artefacts
Retrieval partition plan
| Slice | Tokens | Mode | Notes |
|-------|--------|------|-------|
| FAQs | 521 | hybrid@0.57 | preserve tables |
| Policies | 596 | dense@0.75 | ACL metadata required |
Drill: justify chunk boundaries for lesson 170.
Practice
Practice Attach rollback steps if cost-per-request crosses your guardrail. — 170 Bump 17.