LLMOps Advanced — 109: quantify hallucination fallout on `Synthetic eval data ethics` — memo `215990 [109]`

Lesson 109: Synthetic eval data ethics

Focus

Prefer explicit failure rehearsals over aspirational wording. Token Synthetic eval data ethics:109 keeps neighbouring lessons differentiable.

Key ideas

• Thread: Synthetic eval data ethics · drill v9 · spin 135516.
• 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

Red-team tableau

1. Actor **partner_api**
2. Injection `INJECT-458`
3. Detector `policy-tier-2` → pager `llmops-oncall-1`
4. Log fields `trace_id,tenant_id,redaction_tier`

Practice

Practice Paste the worked template into an internal wiki stub and name owners. — 109 Bump 20.