Production guardrails plus the synthesis. Ten questions, 80% pass.
| Lesson | Concept |
|---|---|
| 15 | PII detection — regex-redact emails / phones / SSNs at the boundary |
| 16 | Rate-limit aware retry — catch 429 specifically, exponential backoff |
| 17 | Fallback chains — primary → secondary → cache → refuse |
| 18 | Human-in-the-loop — gate risky actions on an approval signal |
| 19 | Multi-step recovery — agent picks tool A, falls back to B on failure |
| 20 | Synthesis — RAG + cache + PII + tool + eval composed |
Week 4: shipping — observability, prompt versioning, A/B prompt tests, cost dashboards, guardrail composition, final integration.
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Production guardrails plus the synthesis. Ten questions, 80% pass.
| Lesson | Concept |
|---|---|
| 15 | PII detection — regex-redact emails / phones / SSNs at the boundary |
| 16 | Rate-limit aware retry — catch 429 specifically, exponential backoff |
| 17 | Fallback chains — primary → secondary → cache → refuse |
| 18 | Human-in-the-loop — gate risky actions on an approval signal |
| 19 | Multi-step recovery — agent picks tool A, falls back to B on failure |
| 20 | Synthesis — RAG + cache + PII + tool + eval composed |
Week 4: shipping — observability, prompt versioning, A/B prompt tests, cost dashboards, guardrail composition, final integration.