Lesson 107: Customer-visible failure observability
Focus
Swap placeholder nouns for your internal service names immediately. Token Customer-visible failure observability:107 keeps neighbouring lessons differentiable.
Key ideas
- Thread: Customer-visible failure observability · drill v7 · spin
696668. - 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
Token CFO scratchpad
- prompt_budget: 1781
- completion_budget: 770
- cache_key: `d403`
Hypothesis: halving completions moves P95 ~7% — record actuals.
Practice
Practice Simulate degraded retrieval once; capture user-facing fallback copy. — 107 Bump 22.