Upgrade ruff to 0.16.5 and address new rules

[oschwald]

Dependabot's ruff 0.16 bump fails CI because 0.16 stabilized new rules and started formatting Python fences in Markdown. This PR bumps ruff and addresses the failures.

• Bump ruff to 0.16.5 in uv.lock. The dependabot PR closes when this merges.
• Ignore CPY001 (missing-copyright-notice). We do not want a copyright header on every file.
• Suppress PLR0917 (too-many-positional-arguments) on the web-service client constructors and the minFraud models, where making the arguments keyword-only would break callers that pass them positionally. The existing PLR0913 suppressions do not cover the new rule.
• Reformat the Python code blocks in Markdown. ruff 0.16 formats these by default.

Each change is its own commit.

STF-1328

🤖 Generated with Claude Code

Summary by CodeRabbit

• Documentation

  • Reformatted a payment processor validation example for improved readability without changing its behavior.

• Chores

  • Updated linting configuration to accommodate existing code patterns.
  • Adjusted lint-suppression annotations; application functionality remains unchanged.

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ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: ASSERTIVE

Plan: Advanced

Run ID: bf3ef2f0-c40a-45ec-9ee0-cbbbb044b180

📥 Commits

Reviewing files that changed from the base of the PR and between 6902f9b and d10aff0.

⛔ Files ignored due to path filters (1)

• uv.lock is excluded by !**/*.lock

📒 Files selected for processing (3)

• CLAUDE.md
• pyproject.toml
• src/minfraud/webservice.py

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📝 Walkthrough

Walkthrough

The pull request updates Ruff ignore settings, extends constructor lint suppressions, and reformats a _payment_processor validation example. No runtime behavior or public declarations change.

Changes

Lint and documentation cleanup

Layer / File(s)	Summary
Ruff suppression updates pyproject.toml, src/minfraud/webservice.py	Ruff ignores CPY001 globally and PLR0917 for src/minfraud/models.py. Both client constructors suppress PLR0917.
Validation example formatting CLAUDE.md	The _payment_processor In example uses multiline list syntax with unchanged contents and behavior.

Priority: ⬇️ Low

Estimated code review effort: 1 (Trivial) | ~2 minutes

Merge Risk: ⚪ Minimal · up to d10af

This updates Ruff-related lint handling and reformats documentation without changing application behavior or public APIs. No merge-blocking production risk is identified.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately summarizes the main changes: upgrading Ruff to version 0.16.5 and addressing the resulting lint rules.
Docstring Coverage	✅ Passed	Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 2 functions across 1 files. (2 skipped: 2 …
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch greg/stf-1328-ruff-is-upgraded-in-github-python-repos

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