diff --git a/openspec/changes/slice-4-consolidation/.openspec.yaml b/openspec/changes/archive/2026-10-06-slice-4-consolidation/.openspec.yaml similarity index 100% rename from openspec/changes/slice-4-consolidation/.openspec.yaml rename to openspec/changes/archive/2026-10-06-slice-4-consolidation/.openspec.yaml diff --git a/openspec/changes/slice-4-consolidation/design.md b/openspec/changes/archive/2026-10-06-slice-4-consolidation/design.md similarity index 100% rename from openspec/changes/slice-4-consolidation/design.md rename to openspec/changes/archive/2026-10-06-slice-4-consolidation/design.md diff --git a/openspec/changes/slice-4-consolidation/proposal.md b/openspec/changes/archive/2026-10-06-slice-4-consolidation/proposal.md similarity index 100% rename from openspec/changes/slice-4-consolidation/proposal.md rename to openspec/changes/archive/2026-10-06-slice-4-consolidation/proposal.md diff --git a/openspec/changes/slice-4-consolidation/tasks.md b/openspec/changes/archive/2026-10-06-slice-4-consolidation/tasks.md similarity index 100% rename from openspec/changes/slice-4-consolidation/tasks.md rename to openspec/changes/archive/2026-10-06-slice-4-consolidation/tasks.md