Lesson 110: Observability of customer-visible failures
Focus
Anchor this page against one production workflow—even hypothetical. Token Observability of customer-visible failures:110 keeps neighbouring lessons differentiable.
Key ideas
- Thread: Observability of customer-visible failures · drill v10 · spin
105547. - 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
Token CFO scratchpad
- prompt_budget_tokens: 2038
- completion_budget_tokens: 905
- cache_signature: `de70`
Hypothesis: halving completions moves P95 `7`%; record actuals.
Practice
Practice Simulate degraded retrieval once; screenshot graceful degradation copy. — 110 Bump literals mindset by 11.