Empty explore results returned no explanation or retry guidance.
Check FTS and live name segments with two bounded SQL queries to distinguish matched and unmatched words and suggest indexed names.
Preserve success-shaped responses, unresolved-path notes, ranking, and non-empty output; cap added diagnostics below 1.5K characters.
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
Colby Mchenry