[backslash-f]

Summary

• Make .scrollBounceBehavior(.basedOnSize) the default for new or changed SwiftUI ScrollView instances on supported targets, with axis and nested-environment guidance.
• Add a matching completion-audit check, including modal sheets and documented reasons for different bounce behavior.
• Prepare release metadata for version 0.0.38.

Validation

• Scripts/validate_guidelines.swift — passed; 20 guidelines, version 0.0.38.
• Tests/run_tests.swift — passed; 38 native Swift tests.
• .agents/skills/agent-guidelines-audit/scripts/check_markdown_wrapping.swift Guidelines/Swift/SwiftUI.md .agents/skills/agent-guidelines-audit/SKILL.md README.md CHANGELOG.md — passed; four files.
• git diff --check — passed.

Scope and limitations

• Documentation and audit-skill changes only; no consumer implementation or migration in this PR.
• The modifier is applied only where the consumer's deployment targets support it. The audit checks new or changed scroll views and intentional exceptions.
• Apple API reference: https://developer.apple.com/documentation/swiftui/view/scrollbouncebehavior(_:axes:)

Independent review

• Reasoning Relay verdict: APPROVED with no blocking findings.
• Reviewed base: dc26d7cad5d6c9f25b4355c29562abbd191019ab.
• Reviewed head: 1bd49d9dd11846fe527ab76256d618ccc0aca280.
• Response SHA-256: bf474f912e3e756bba7df56417138523cb212e252c993e6edd753d95d03c912d.