report_writing git:20260831.ba2b871C

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# report_writing

When formatting a data report into Markdown:

1. Always start with a single `#` title that names the report and its scope.
2. Use `## Section` headings to separate: Column Statistics, Categorical Columns, Summary.
3. Numeric data belongs in a pipe table with right-aligned numeric columns.
4. The Summary section must restate the record count and list which columns are numeric vs. categorical.
5. Never invent numbers — only report what the stats dict contains.
6. Keep the tone neutral and factual; no marketing language.