Lesson 104: Customer-visible failure observability
Focus
Prefer explicit failure rehearsals over aspirational wording. Token Customer-visible failure observability:104 keeps neighbouring lessons differentiable.
Key ideas
- Thread: Customer-visible failure observability · drill v4 · spin
837208. - 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 | 407 | hybrid@0.54 | preserve tables |
| Policies | 530 | dense@0.71 | ACL metadata required |
Drill: justify chunk boundaries for lesson 104.
Practice
Practice Pair with security on one prompt-injection tabletop scenario. — 104 Bump 17.