WA-NEW-029: Plugin modernization Phase 5 — payment, shipping, and theme plugins

[kitcommerce]

Summary

Continue plugin modernization:

• workarea-commerce/workarea-braintree
• workarea-commerce/workarea-afterpay
• workarea-commerce/workarea-zipco
• workarea-commerce/workarea-shipping-estimation
• workarea-commerce/workarea-split-shipping
• workarea-commerce/workarea-haven-theme
• workarea-commerce/workarea-one-theme
• workarea-commerce/workarea-nvy-theme

Scope per plugin

1. Ensure gemspec allows Ruby 3.2+
2. Replace deprecated APIs
3. Fix Ruby 3.x incompatibilities
4. Ensure tests pass on Ruby 2.7.8
5. Open PRs on each repo

Objective

Modernize 8 payment/shipping/theme plugins for Ruby 3.2+ compatibility.

Client impact

None — backward compatible changes only.

Acceptance Criteria

• All 8 plugins pass tests on Ruby 2.7.8
• Gemspecs allow Ruby >= 2.7, < 3.5
• PRs opened on each repo

Verification Plan

1. Clone each repo, run test suite locally
2. Verify zero deprecated API usage
3. Link PRs from this issue

[kitcommerce]

Phase 5 plugin PRs opened:

• workarea-braintree: Ruby 3.2+ Compatibility Updates workarea-braintree#5
• workarea-afterpay: Ruby 3.2+ Compatibility Updates workarea-afterpay#8
• workarea-zipco: Ruby 3.2+ Compatibility Updates workarea-zipco#21
• workarea-shipping-estimation: Ruby 3.2+ Compatibility Updates workarea-shipping-estimation#3
• workarea-split-shipping: https://github.com/workarea-commerce/workarea-split-shipping/pull/7
• workarea-haven-theme: Ruby 3.2+ Compatibility Updates workarea-haven-theme#21
• workarea-one-theme: Ruby 3.2+ Compatibility Updates workarea-one-theme#18
• workarea-nvy-theme: Ruby 3.2+ Compatibility Updates workarea-nvy-theme#23

All 8 repos successfully updated with Ruby 3.2+ compatibility changes.