trade-message-center/.trellis/tasks/09-16-onetalk-dom-secondary-card-collection/implement.jsonl

{"file":".trellis/tasks/09-16-onetalk-dom-secondary-card-collection/prd.md","reason":"Approved scope, retention choices, card types, and acceptance criteria."}
{"file":".trellis/tasks/09-16-onetalk-dom-secondary-card-collection/design.md","reason":"DOM reader, bridge, ledger, database, and public-projection boundaries."}
{"file":".trellis/spec/guides/cross-layer-thinking-guide.md","reason":"Required cross-layer contract and validation guidance."}