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Redline
Redline Claude's plans like a doc, not scrollback.
Plan review for Claude Code in the browser. Claude writes the plan as a versioned page with mermaid diagrams; you select text, comment, and suggest edits, and the feedback lands back in the session that wrote it.
What it does
- Select any sentence: comment, suggest an edit, attach screenshots
- Open questions come back as threads pinned to the exact passage
- Versions, status chips, and checkboxes that tick as Claude builds
- One Python stdlib file, local-only, works offline