Lesson 021: Adapter vs prompt calculus
Focus
Bias toward observable metrics: latency, cost, escalation rate. Token Adapter vs prompt calculus:21 keeps neighbouring lessons differentiable.
Key ideas
- Thread: Adapter vs prompt calculus · drill v1 · spin
831846. - 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 | 350 | hybrid@0.52 | preserve tables |
| Policies | 442 | dense@0.65 | ACL metadata required |
Drill: justify chunk boundaries for lesson 21.
Practice
Practice Paste the worked template into an internal wiki stub and name owners. — 21 Bump 19.