LLMOps Basic — 090: codify rollback triggers on `Embedding quality probes` — memo `185858 [90]`

Lesson 090: Embedding quality probes

Focus

Prefer explicit failure rehearsals over aspirational wording. Token Embedding quality probes:90 keeps neighbouring lessons differentiable.

Key ideas

• Thread: Embedding quality probes · drill v10 · spin 686753.
• 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 | 521 | hybrid@0.57 | preserve tables |
| Policies | 508 | dense@0.69 | ACL metadata required |

Drill: justify chunk boundaries for lesson 90.

Practice

Practice Draft three eval assertions QA must pass before prompt promotion. — 90 Bump 15.