diff --git a/openspec/changes/enable-audit-logging/proposal.md b/openspec/changes/archive/2025-12-14-enable-audit-logging/proposal.md similarity index 100% rename from openspec/changes/enable-audit-logging/proposal.md rename to openspec/changes/archive/2025-12-14-enable-audit-logging/proposal.md diff --git a/openspec/changes/enable-audit-logging/tasks.md b/openspec/changes/archive/2025-12-14-enable-audit-logging/tasks.md similarity index 100% rename from openspec/changes/enable-audit-logging/tasks.md rename to openspec/changes/archive/2025-12-14-enable-audit-logging/tasks.md diff --git a/openspec/changes/simplify-frontend-add-billing/proposal.md b/openspec/changes/archive/2025-12-14-simplify-frontend-add-billing/proposal.md similarity index 100% rename from openspec/changes/simplify-frontend-add-billing/proposal.md rename to openspec/changes/archive/2025-12-14-simplify-frontend-add-billing/proposal.md diff --git a/openspec/changes/simplify-frontend-add-billing/specs/backend-api/spec.md b/openspec/changes/archive/2025-12-14-simplify-frontend-add-billing/specs/backend-api/spec.md similarity index 100% rename from openspec/changes/simplify-frontend-add-billing/specs/backend-api/spec.md rename to openspec/changes/archive/2025-12-14-simplify-frontend-add-billing/specs/backend-api/spec.md diff --git a/openspec/changes/simplify-frontend-add-billing/specs/frontend-ui/spec.md b/openspec/changes/archive/2025-12-14-simplify-frontend-add-billing/specs/frontend-ui/spec.md similarity index 100% rename from openspec/changes/simplify-frontend-add-billing/specs/frontend-ui/spec.md rename to openspec/changes/archive/2025-12-14-simplify-frontend-add-billing/specs/frontend-ui/spec.md diff --git a/openspec/changes/simplify-frontend-add-billing/tasks.md b/openspec/changes/archive/2025-12-14-simplify-frontend-add-billing/tasks.md similarity index 100% rename from openspec/changes/simplify-frontend-add-billing/tasks.md rename to openspec/changes/archive/2025-12-14-simplify-frontend-add-billing/tasks.md