First implementation (#1)

Reviewed-on: #1

fixtures/records/layer/layer.json

@@ -0,0 +1 @@
+{"@context":["http://www.w3.org/ns/anno.jsonld","https://paperspec.scient.ing/context/scienting-1.jsonld"],"audience":"student","created":"2026-10-11T19:00:00Z","creator":{"id":"tag:scient.ing,2026:key:ana","name":"Ana Example","type":"Person"},"docs":["smithlab/hale2026harmonic-damb"],"format":"scienting-layer/1","id":"tag:scient.ing,2026:layer:smithlab/kp4m2x7q","label":"Smith lab reading of Hale and Osei","license":{"spdx":"CC-BY-4.0"},"project":"smithlab-charges","purpose":"Glosses, claim links and exercises for new students.","total":10,"type":"AnnotationCollection","visibility":"team"}