Strict JSON schemas cut function-calling errors more than prompt tweaks
Tightening a tool's JSON schema (enums, required fields, no free-form strings) reduced malformed function calls more than any prompt change did.
Daily log
Today I Learned
Short notes, logged as they happen, grouped by month.
August 2026
July 2026
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Cache embeddings by content hash, not document ID
Keying an embedding cache by document ID instead of content hash silently serves stale vectors after edits.
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Streaming TTS hides latency if you flush audio early
Perceived latency in voice agents drops a lot when you start playback on the first audio chunk instead of waiting for the full synthesis.