feat: extend clean-room office skills toward full parity
Same clean-room discipline as the initial rewrite (isolated subagents,
functional specs only, predecessor content banned including via git
history; transcripts retained). All additions test-proven.
docx (13->29 tests):
- docx_revisions.py: tracked changes list/accept/reject (all or by id),
incl. tables and headers/footers, via direct oxml manipulation
- docx_comments.py: list/add/delete comments (native python-docx >=1.2
API with XML fallback), anchored-text extraction
- docx_validate.py: package health check (rels, images, styles, CRC)
with JSON severity report — explicitly not XSD validation
- docx_edit.py: run normalization; TOC + PAGE/NUMPAGES field insertion
xlsx (5->12 tests):
- xlsx_restructure.py: reference-aware insert/delete rows/cols —
rewrites formulas on all sheets (absolute refs, ranges, cross-sheet,
quoted names), shifts merges/autofilter/freeze/validation/CF ranges,
tables, defined names; JSON report incl. honest not_shifted list
- native Excel tables, named ranges, hyperlinks, cell notes,
sheet protection (documented as strippable, not security)
- xlsx_recalc.py: headless LibreOffice recalc with graceful degrade
powerpoint (11->21 tests):
- pptx_render.py: all slides -> PNGs (soffice + pdftoppm/pdftocairo),
wired to vision_analyze review loop in SKILL.md
- run-merge normalize before replace (identical-format splits lossless)
- surgical chart ops (series/category/title) wrapping replace_data
- slide duplication with rel remap (clean refusal on chart slides)
- backgrounds, hyperlinks, slide numbers, footers, notes editing
pdf (8->21 tests):
- pdf_make_form.py: JSON spec -> AcroForm (text/checkbox/radio/dropdown)
- pdf_form_layout.py: pre-build layout lint (bounds/overlap/pairing)
+ rendered box overlay for vision_analyze review
- pdf_page_image.py + shared _raster.py: pypdfium2 -> pdftoppm chain,
graceful degrade; connected to scanned-PDF triage flow
- pdf_stamp.py: text/image stamps at coordinates (rotation/opacity)
- pdf_meta.py: DocInfo metadata + attachments round-trip
Gates re-verified independently: 83 skill tests green under LC_ALL=C,
repo invariant suite 29/29, SkillEvaluator pii+unicode+lint 3/3 x4.
Teknium
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