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1. Rag-regression-gate Rag-regression-gate Public

   CI gate that blocks a pull request when RAG retrieval quality regresses and confirms when a change genuinely improved it, using a paired bootstrap so small-golden-set noise cannot cry wolf. Held-ou…

   Python

2. llm-spend-attributor llm-spend-attributor Public

   Attributes LLM token spend to teams, features and prompt versions from request traces, pricing each request at the rate in force when it was made. Finds a prompt version that tripled one team's tok…

   Python

3. cdc-exactly-once cdc-exactly-once Public

   Change-data-capture applier that converges to exactly the rows the source log implies - under duplicate delivery, out-of-order delivery, and 24 processes killed mid-transaction. Contiguous low wate…

   Python

4. spark-skew-doctor spark-skew-doctor Public

   Diagnoses Spark data skew from the job's own event log - no cluster, no JVM - and tells key skew apart from a straggler by comparing task time against bytes read. Then measures the fixes against ea…

   Python

5. lakehouse-reconciler lakehouse-reconciler Public

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6. serving-skew-sentinel serving-skew-sentinel Public

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