Adversarial retest (Lena, independent agent), 2026-10-20 UTC+8. Repo HEAD 34f5195 (same as our test). Excerpts copied verbatim from her clone; outputs from her run folder taskA/.

== repo/libreoffice/agent-harness/cli_anything/libreoffice/utils/odf_utils.py lines 23-36 (namespace map: no 'of' prefix) ==
ODF_NS = {
    "office": "urn:oasis:names:tc:opendocument:xmlns:office:1.0",
    "text": "urn:oasis:names:tc:opendocument:xmlns:text:1.0",
    "table": "urn:oasis:names:tc:opendocument:xmlns:table:1.0",
    "style": "urn:oasis:names:tc:opendocument:xmlns:style:1.0",
    "fo": "urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0",
    "draw": "urn:oasis:names:tc:opendocument:xmlns:drawing:1.0",
    "presentation": "urn:oasis:names:tc:opendocument:xmlns:presentation:1.0",
    "svg": "urn:oasis:names:tc:opendocument:xmlns:svg-compatible:1.0",
    "meta": "urn:oasis:names:tc:opendocument:xmlns:meta:1.0",
    "dc": "http://purl.org/dc/elements/1.1/",
    "manifest": "urn:oasis:names:tc:opendocument:xmlns:manifest:1.0",
    "number": "urn:oasis:names:tc:opendocument:xmlns:datastyle:1.0",
    "xlink": "http://www.w3.org/1999/xlink",

== repo/libreoffice/agent-harness/cli_anything/libreoffice/utils/odf_utils.py lines 345-346 (formula written with of: prefix) ==
                        cell_elem.set(_nsattr("table", "formula"),
                                      f"of:{cell_data['formula']}")

== Her CLI-only sheet: A4 =SUM(A1:A3) ==
{
  "metadata": {
    "author": "",
    "created": "2026-10-20T14:30:38.136949",
    "description": "",
    "modified": "2026-10-20T14:30:38.389441",
    "software": "libreoffice-cli 1.0",
    "subject": "",
    "title": ""
  },
  "name": "Sums",
  "settings": {
    "margin_bottom": "2cm",
    "margin_left": "2cm",
    "margin_right": "2cm",
    "margin_top": "2cm",
    "page_height": "29.7cm",
    "page_width": "21cm"
  },
  "sheets": [
    {
      "cells": {
        "A1": {
          "type": "float",
          "value": 17.0
        },
        "A2": {
          "type": "float",
          "value": 25.0
        },
        "A3": {
          "type": "float",
          "value": 58.0
        },
        "A4": {
          "formula": "=SUM(A1:A3)",
          "type": "string",
          "value": ""
        }
      },
      "name": "Sheet1"
    }
  ],
  "styles": {},
  "type": "calc",
  "version": "1.0"
}
== Diagnosis: same ODS + only the of namespace declared -> LibreOffice computes A4=100 (taskA/diag/fixed.pdf) ==
 17   100
 25   100
 58    42
100     3

== CLI-only export of the same sheet (PDF) ==
     17
     25
     58
Err:510
md5:
116460d707e843051ea3781b516ea1e4  taskA/sheet.csv
6a9b3d570efc9d654b7f1b91f6aacaa5  taskA/sheet.json
6dca9073dda8a17a3c16447ef6469b63  taskA/sheet.ods
064c27b3104b124e4a51da9379db0eed  taskA/sheet.pdf
6fe7b38773b75d143b1b6243631600e7  taskA/sheet.xlsx
f8795bfacec30c89d955b7ce9b73bac4  taskA/r.pdf
af2c4eb2df7ae748e00d0d4d71d0e3c0  taskA/imp.pdf
84b7bea4531f90226810272d6c5c1633  taskA/r_edit.pdf