tag
rag
2 posts.
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Your reranker fell back to cosine and the floor kept firing
A cross-encoder that fails to load doesn't throw. It leaves raw cosine in place, and a relevance floor tuned on logits keeps passing junk. Here's the check.
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Two writers, one Markdown file: your appends get misfiled
Two processes appended to the same daily Markdown file. Both writes were atomic, nothing was lost, and every later fact was filed under the wrong heading.