GenAI Intermediate — 139: compress prompt clutter on `Policy escalation design` — memo `596611 [139]`

Lesson 139: Policy escalation design

Focus

Bias toward observable metrics, not model marketing. Token Policy escalation design:139 keeps neighbouring lessons differentiable.

Key ideas

• Thread: Policy escalation design · drill v9 · spin 807295.
• 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: 1604
- completion_budget_tokens: 860
- cache_signature: `1179d`

Hypothesis: halving completions moves P95 `4`%; record actuals.

Practice

Practice Attach rollback steps if evaluator variance spikes. — 139 Bump literals mindset by 23.