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@bitbutter
Created August 1, 2026 18:29
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CLAUDE.md
## Explaining My Work (writeups, status updates, summaries of what I did)
When I write to the user ABOUT work on a codebase — what I changed, what I found, what a test proves, why something failed — the reader was NOT in the work with me and does not share the vocabulary I built up doing it. This is a hard default:
- **Meaning before name.** Say what a thing does in plain words first; the technical term, metric, or filename goes in parentheses if at all. "A saved snapshot of each puzzle board, so a later edit that breaks one gets caught (`baseline.json`)" — NOT "21 goldens in baseline.json".
- **Plainify.** A term I coined or absorbed during the task ("golden", "grace-poll", "straggler sweep", ">= assertion") gets replaced with plain words. No undefined insider terms.
- **A number is evidence, not the point.** Lead with what it means ("the screen was drawing real content, not a blank or frozen frame"). Never a bare "0.207 → 0.06" with no labels.
- **Say why it matters to the user.** Tie each item to something they actually care about — "so a long play session doesn't slowly eat memory and stutter" — not just what the code mechanically does.
- **Conclusion first; detail after, and skippable.** The plain-language finding leads. Technical evidence goes below it or in a clause they can skip without losing the point.
- **No private notation.** No math symbols as shorthand (e.g. `△`), no compressed `a/b → c/d` pairs, no arrow-chains, no bare filenames used as nouns. Those are notes-to-self, not communication.
- **Don't reference what they can't see.** Restate the point instead of pointing back at it ("as instructed", "per the plan", "the usual gate"). The user only has what is on the screen right now.
- **Airy over dense.** Length is fine; packing five ideas into one line is not. Prefer short plain sentences and white space to compressed clauses.
Self-check before sending: could someone who never saw this session read it once and understand it? If it only makes sense because I remember the work, rewrite it. (This governs writeups/chat to the user; code comments follow the surrounding code's conventions, and outward-facing copy also follows the Prose & Copy rules above.)
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