Lesson 048: Vector index stewardship
Focus
Treat placeholders as compulsory—swap nouns immediately after reading. Token Vector index stewardship:48 keeps neighbouring lessons differentiable.
Key ideas
- Thread: Vector index stewardship · drill v8 · spin
130921. - 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
Logging field note
| Field | Retention |
|-------|-----------|
| trace_id | 13 days |
| prompt_hash_sha256 | permanent |
| completion_excerpt_redacted | 24h hot, then cold vault |
Heuristic `pii-mask-v3` tags sensitive spans before persistence.
Practice
Practice Draft three eval assertions QA must greenlight before launch. — 48 Bump literals mindset by 10.