diff --git a/docs/plans/state.json b/docs/plans/state.json
index 28fa2f2..321da4e 100644
--- a/docs/plans/state.json
+++ b/docs/plans/state.json
@@ -4464,6 +4464,10 @@
       }
     },
     "earlier_plans": {
+      "status": "completed",
+      "date": "2026-02-05",
+      "updated": "2026-02-18",
+      "summary": "Historical index of early implementation plan documents that were completed before detailed state.json feature entries were introduced.",
       "plans": [
         {
           "file": "2026-02-02-flynn-design.md",