diff --git a/docs/TEST-PLAN-v1.3-to-HEAD.md b/docs/archived/2026-05-13/TEST-PLAN-v1.3-to-HEAD.md similarity index 100% rename from docs/TEST-PLAN-v1.3-to-HEAD.md rename to docs/archived/2026-05-13/TEST-PLAN-v1.3-to-HEAD.md diff --git a/plans/final-master-plan.md b/plans/archived/2026-05-13/final-master-plan.md similarity index 100% rename from plans/final-master-plan.md rename to plans/archived/2026-05-13/final-master-plan.md diff --git a/plans/gpt55-analysis.md b/plans/archived/2026-05-13/gpt55-analysis.md similarity index 100% rename from plans/gpt55-analysis.md rename to plans/archived/2026-05-13/gpt55-analysis.md diff --git a/plans/gpt55-review-of-opus.md b/plans/archived/2026-05-13/gpt55-review-of-opus.md similarity index 100% rename from plans/gpt55-review-of-opus.md rename to plans/archived/2026-05-13/gpt55-review-of-opus.md diff --git a/plans/opus47-analysis.md b/plans/archived/2026-05-13/opus47-analysis.md similarity index 100% rename from plans/opus47-analysis.md rename to plans/archived/2026-05-13/opus47-analysis.md diff --git a/plans/opus47-review-of-gpt55.md b/plans/archived/2026-05-13/opus47-review-of-gpt55.md similarity index 100% rename from plans/opus47-review-of-gpt55.md rename to plans/archived/2026-05-13/opus47-review-of-gpt55.md