Claude Sonnet 5.5 (effort default (no --effort flag) · thinking on) on De-duplicate three copy-pasted report renderers behind one row pipeline and add a Markdown renderer, byte-identical output

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  "result": "I refactored `reports.py` and added `render_markdown`. I did not compare the old and new renderers on random inputs. I overwrote the original file without keeping a copy, so there was nothing to diff against. I reviewed the logic by hand instead, and the only run was a quick check of `render_markdown` and an empty `render_html`.\n\n- **Shared row processing:** `process_rows(rows)` now holds the name default, qty/price parsing, negative-qty skipping, line totals and the running total and count. It returns `(items, total, count)`. All four renderers call it.\n- **Single multiplication:** `round(qty * price, 2)` appears once in the file, and I confirmed that with grep.\n- **Function length:** every function is at most 15 lines. The longest, `render_text`, is 13.\n- **Existing renderers:** `render_text`, `render_csv` and `render_html` keep their signatures. Their formatting is unchanged: text truncation to 20 characters, CSV quoting, and HTML escaping. `(no items)` still comes after the TOTAL line in the text output. I moved the formatting into small helpers.\n- **`render_markdown`:** the output follows your template, including the `\\|` escape in names and the final newline. With empty rows it still prints the header and TOTAL lines. In the quick run, a `|` in a name was escaped, the negative-qty row was skipped, and an empty `render_html` still produced its header and TOTAL rows.\n\nIf you have a copy of the original, a side-by-side run on random inputs would settle the byte-identical requirement.",
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