Claude Opus 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've refactored `reports.py` and added the Markdown renderer. I ran the three old renderers against the new ones on 20,000 random inputs and every output matched byte for byte.\n\n**What changed**\n- **One place for row processing:** a new helper, `_process_rows(rows)`, handles the name default, the qty and price parsing, skipping negative qty, line totals, and the running total and count. It returns the processed rows plus the total and count, and all four renderers call it. `qty * price` now appears exactly once in the file.\n- **Small helpers:** `_money`, `_text_name` (shortens names over 20 characters), `_csv_name` (quotes names for CSV), `_html_esc` and `_html_row`. They hold the formatting that each output style does differently.\n- **Function length:** the longest function is `_process_rows` at 14 lines; every other function is 10 lines or fewer.\n- **`render_markdown`:** matches the format in the task. `|` in names becomes `\\|`, and empty `rows` still prints the header and the TOTAL line (`| **TOTAL** | 0 | **0.00 EUR** |`). As in CSV and HTML, long names are not shortened.\n\n**How I checked it**\n- The random inputs included missing or empty names; names with commas, quotes, `<&>`, `|`, accented characters and newlines; names of 20 and 21 characters; qty given as strings, floats or booleans; and float prices.\n- They also included bad values (`\"x\"`, `\"bad\"`, `\"nan\"`). On those, the new code fails with the same error and message as the old code, because parsing still happens in the same order.\n- The row helper never makes a renderer read `rows` more than once, so passing a generator still works.\n\nThe test script is in `/tmp/rt` and isn't part of the project.",
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