Add provider-side seam schema validation CI (tinynode-to-rerum)#270

Copilot wants to merge 4 commits intomainCenterForDigitalHumanities/rerum_server_nodejs:mainfrom

copilot/add-provider-schema-validation-ciCenterForDigitalHumanities/rerum_server_nodejs:copilot/add-provider-schema-validation-ciCopy head branch name to clipboard