feat: pin uk-bank-statement-anonymiser to 0.2.3 and sync docs

[boscorat]

Summary

• Pin in
• Add parameter to shim
• Update with caveat
• Update features section
• Regenerate docs via

Changes

pyproject.toml

• Changed to

src/bank_statement_parser/modules/anonymise.py

• Added parameter
• Updated docstring with parameter description and raises section
• Passed to upstream function

SECURITY.md

• Added note about disabling scrambling

README.md

• Updated PDF anonymisation feature description to mention

docs/guides/anonymisation.md

• Regenerated to include parameter documentation

Testing

• All 62 datamart tests pass
• All 30 CLI and docs tests pass
• Ruff checks pass on modified files

[boscorat]

all tests pass locally

[Copilot]

Pull request overview

Pins the optional uk-bank-statement-anonymiser dependency and updates the bank_statement_parser.modules.anonymise shim + documentation to support a new retain_descriptions mode when anonymising PDFs.

Changes:

• Pin uk-bank-statement-anonymiser optional dependency to ==0.2.3.
• Add retain_descriptions parameter to the anonymise_pdf shim and forward it to the upstream anonymiser.
• Sync security/readme/docs guidance to document the new parameter and its caveats.

Reviewed changes

Copilot reviewed 5 out of 6 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
pyproject.toml	Pins the anonymiser optional dependency version.
src/bank_statement_parser/modules/anonymise.py	Extends the anonymisation shim API to accept/forward retain_descriptions and documents its behavior.
SECURITY.md	Documents the security caveat of preserving transaction descriptions.
README.md	Updates feature description to mention retain_descriptions=True option.
docs/guides/anonymisation.md	Regenerates guide content to include the new parameter and Raises docs.

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