EXISTS_REQUIRES_FAST is MISCONFIGURED and reachable from ordinary query text
(notes.user:*), so the operator alert added with the Cause routing fired on
every such request. An alert that repeats on every user query is one operators
learn to filter out, which defeats routing MISCONFIGURED to an operator at all.
The condition is a static configuration fact: it stays true until an operator
changes the schema and reindexes, so the first log carries the same information
as the ten-thousandth. Deduped on (kind, field) in a per-process set; a restart
re-logs, re-surfacing the condition after a config change. The 400 is not
deduped: every request still gets its response and its message.
The key is bounded by the registry, not by query text. emit() only reports
MISCONFIGURED for a field it resolved, and FieldRegistry.resolve returns None
for any name or JSON subpath the registry does not declare.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
stumpylogandClaude Opus 5
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