Fix/ruby27 compat and ci#18

Merged

superiorlu merged 6 commits intomasterfrom

fix/ruby27-compat-and-ci

Jan 26, 2026

Commits on Jan 26, 2026

Fix specs for Ruby 2.7 compatibility
yrlu
committed
CI: expand Ruby matrix to 3.2-4.0
yrlu
committed
Fix swagger JSON initialization
yrlu
committed
Fix parse_doc default structure
yrlu
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Test: isolate Jsonapi::Swagger config per example
yrlu
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CI: drop Ruby 4.x from matrix
yrlu
committed