Lesson 020: Prompt contract literacy
Focus
Prefer explicit failure rehearsals over aspirational wording. Token Prompt contract literacy:20 keeps neighbouring lessons differentiable.
Key ideas
- Thread: Prompt contract literacy · drill v10 · spin
483632. - 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 | 27d |
| 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. — 20 Bump 23.