diff --git a/openspec/changes/add-shared-schema-package/.openspec.yaml b/openspec/changes/archive/2026-06-04-add-shared-schema-package/.openspec.yaml
similarity index 100%
rename from openspec/changes/add-shared-schema-package/.openspec.yaml
rename to openspec/changes/archive/2026-06-04-add-shared-schema-package/.openspec.yaml
diff --git a/openspec/changes/add-shared-schema-package/design.md b/openspec/changes/archive/2026-06-04-add-shared-schema-package/design.md
similarity index 100%
rename from openspec/changes/add-shared-schema-package/design.md
rename to openspec/changes/archive/2026-06-04-add-shared-schema-package/design.md
diff --git a/openspec/changes/add-shared-schema-package/proposal.md b/openspec/changes/archive/2026-06-04-add-shared-schema-package/proposal.md
similarity index 100%
rename from openspec/changes/add-shared-schema-package/proposal.md
rename to openspec/changes/archive/2026-06-04-add-shared-schema-package/proposal.md
diff --git a/openspec/changes/add-shared-schema-package/specs/database-schema/spec.md b/openspec/changes/archive/2026-06-04-add-shared-schema-package/specs/database-schema/spec.md
similarity index 100%
rename from openspec/changes/add-shared-schema-package/specs/database-schema/spec.md
rename to openspec/changes/archive/2026-06-04-add-shared-schema-package/specs/database-schema/spec.md
diff --git a/openspec/changes/add-shared-schema-package/specs/shared-types/spec.md b/openspec/changes/archive/2026-06-04-add-shared-schema-package/specs/shared-types/spec.md
similarity index 100%
rename from openspec/changes/add-shared-schema-package/specs/shared-types/spec.md
rename to openspec/changes/archive/2026-06-04-add-shared-schema-package/specs/shared-types/spec.md
diff --git a/openspec/changes/add-shared-schema-package/specs/validation/spec.md b/openspec/changes/archive/2026-06-04-add-shared-schema-package/specs/validation/spec.md
similarity index 100%
rename from openspec/changes/add-shared-schema-package/specs/validation/spec.md
rename to openspec/changes/archive/2026-06-04-add-shared-schema-package/specs/validation/spec.md
diff --git a/openspec/changes/add-shared-schema-package/tasks.md b/openspec/changes/archive/2026-06-04-add-shared-schema-package/tasks.md
similarity index 100%
rename from openspec/changes/add-shared-schema-package/tasks.md
rename to openspec/changes/archive/2026-06-04-add-shared-schema-package/tasks.md
diff --git a/openspec/changes/swap-superstruct-valibot/.openspec.yaml b/openspec/changes/archive/2026-06-04-swap-superstruct-valibot/.openspec.yaml
similarity index 100%
rename from openspec/changes/swap-superstruct-valibot/.openspec.yaml
rename to openspec/changes/archive/2026-06-04-swap-superstruct-valibot/.openspec.yaml
diff --git a/openspec/changes/swap-superstruct-valibot/design.md b/openspec/changes/archive/2026-06-04-swap-superstruct-valibot/design.md
similarity index 100%
rename from openspec/changes/swap-superstruct-valibot/design.md
rename to openspec/changes/archive/2026-06-04-swap-superstruct-valibot/design.md
diff --git a/openspec/changes/swap-superstruct-valibot/proposal.md b/openspec/changes/archive/2026-06-04-swap-superstruct-valibot/proposal.md
similarity index 100%
rename from openspec/changes/swap-superstruct-valibot/proposal.md
rename to openspec/changes/archive/2026-06-04-swap-superstruct-valibot/proposal.md
diff --git a/openspec/changes/swap-superstruct-valibot/specs/shared-types/spec.md b/openspec/changes/archive/2026-06-04-swap-superstruct-valibot/specs/shared-types/spec.md
similarity index 100%
rename from openspec/changes/swap-superstruct-valibot/specs/shared-types/spec.md
rename to openspec/changes/archive/2026-06-04-swap-superstruct-valibot/specs/shared-types/spec.md
diff --git a/openspec/changes/swap-superstruct-valibot/specs/validation/spec.md b/openspec/changes/archive/2026-06-04-swap-superstruct-valibot/specs/validation/spec.md
similarity index 100%
rename from openspec/changes/swap-superstruct-valibot/specs/validation/spec.md
rename to openspec/changes/archive/2026-06-04-swap-superstruct-valibot/specs/validation/spec.md
diff --git a/openspec/changes/swap-superstruct-valibot/tasks.md b/openspec/changes/archive/2026-06-04-swap-superstruct-valibot/tasks.md
similarity index 100%
rename from openspec/changes/swap-superstruct-valibot/tasks.md
rename to openspec/changes/archive/2026-06-04-swap-superstruct-valibot/tasks.md