U7: full mode × surface × own-settings matrix ledger with 5 gap-filling tests, default-workflow zero-binding parity assertions, changeset covering the complete feature, and a workflow-steps.md authoring section for column agents.
U7: full mode × surface × own-settings matrix ledger with 5 gap-filling tests, default-workflow zero-binding parity assertions, changeset covering the complete feature, and a workflow-steps.md authoring section for column agents.