Add ExistingFormFiller: read, fill, flatten and stamp existing PDF forms - #1

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christiaan wants to merge 7 commits into

dskripchenko:mainfrom

christiaan:feature/existing-acroform-fill

Commits on Sep 2, 2026

Add ExistingFormFiller: read AcroForm fields from an existing PDF
christiaan
committed
7410fea
Fill existing text, checkbox and radio fields, incl. /Parent names

christiaan
and
claude
committed
0267ceb
Add flatten() to bake AcroForm values into static page content

christiaan
and
claude
committed
6bd6907
Add standalone image stamping and combined fill+flatten+stamp support

christiaan
and
claude
committed
d267061
Wire a fill/flatten/stamp fixture into the visual regression check
christiaan
committed
56864ff
Document ExistingFormFiller in USAGE.md (en/de/ru/zh)
christiaan
committed
6dca22e
Expose a field's /TU tooltip on ExistingFormFiller::fields()

christiaan
and
claude
committed
ede8399