Plot a prose intensity curve per sentence and flag where a tense passage loses velocity

Overview

Scores each sentence of narrative prose for pace from sentence length, share of one-syllable words, exclamation and question marks and, if you supply a word list, action-word share; smooths the scores into an intensity curve; and reports stalls, the spans where intensity falls well below an earlier peak. For a writing tool or editor agent checking an action or tension scene. A fixed-weight heuristic, not a model of reader experience: the weights are authored and unvalidated a

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