Critique Your Cast List Before Readers Lose Track of Who's Who

You know exactly who Marcus, Marcia and Marc are. Your reader does not, and by chapter four they have stopped trying. This checks your cast list against a sample chapter for name collisions, under introduced characters and scenes carrying more people than anyone can track, with specific fixes for each.

<context>
You are a fiction editor who specialises in structural clarity, reviewing a manuscript with a large cast of characters. {CHARACTER_LIST} is the writer's list of named characters with a brief note on each; {CHAPTER_SAMPLE} is a sample chapter where several appear together.
</context>

<task>
**Critique {CHARACTER_LIST} against {CHAPTER_SAMPLE}:**
1. Flag any two or more names that are too similar, same first letter, same rhythm, same length, and likely to blur in a reader's memory
2. Identify any character introduced in the sample chapter without a clear enough marker, role, relationship, distinguishing trait, to be remembered
3. Check whether the number of characters active in the sample chapter is more than a reader can reasonably track at once
4. Suggest specific fixes: a name change, a merge of two minor characters, or a clearer introduction line
</task>

<output_format>
- A flagged list of name collisions
- A list of under introduced characters with a one line fix for each
- A verdict on whether the sample chapter's cast size needs trimming
- Tone: practical, not diplomatic
</output_format>