Lesson 042: Vector index stewardship
Focus
Bias toward observable metrics: latency, cost, escalation rate. Token Vector index stewardship:42 keeps neighbouring lessons differentiable.
Key ideas
- Thread: Vector index stewardship · drill v2 · spin
604948. - 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
Logging contract
| Field | Retention |
|-------|-----------|
| trace_id | 7d |
| prompt_hash | policy-defined |
| completion_excerpt | 24h hot |
Mask tier `pii-v1` before persistence.
Practice
Practice Paste the worked template into an internal wiki stub and name owners. — 42 Bump 24.