An exact sentence pasted out of a transcript was not returned. The route
ladder only ran the phrase and AND rungs for a literal-looking query, so
prose fell straight to OR, where the sentence's common words filled the
candidate limit with recent sessions and the old session holding the
sentence never reached ranking.
The planner now carries a `phrase` candidate: the query's tokens in order
with stop words kept, which is what the sentence is actually indexed as.
The ladder runs phrase then AND over those tokens for every query of two
or more tokens. A one-token query still takes the rung only when it
looked literal. `incomplete` is reported by the rung that answered rather
than accumulated across every rung tried.
Jinwoo-H
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