docs(work): close story 08 and epic platform-retrofit (20/20 tasks)

docs/work/_system/_state.json

@@ -1,8 +1,8 @@
 {
-  "updated_at": "2026-07-12T18:55:42.123Z",
+  "updated_at": "2026-07-12T19:17:13.357Z",
   "epics": {
     "platform-retrofit": {
-      "status": "in-progress",
+      "status": "done",
       "title": "Platform retrofit — repurpose template-vertical as the Veect monorepo",
       "prd": "docs/work/prds/platform-retrofit.prd.md",
       "stories": {
@@ -87,10 +87,10 @@
           "blocks": []
         },
         "08-rewrite-agent-docs": {
-          "status": "todo",
+          "status": "done",
           "title": "Rewrite CLAUDE.md and AGENTS.md for Veect",
           "ac_total": 2,
-          "ac_completed": 0,
+          "ac_completed": 2,
           "depends_on": [],
           "blocks": []
         },
@@ -236,11 +236,6 @@
     }
   },
   "ready": [
-    {
-      "epic": "platform-retrofit",
-      "story": "08-rewrite-agent-docs",
-      "title": "Rewrite CLAUDE.md and AGENTS.md for Veect"
-    },
     {
       "epic": "walking-skeleton",
       "story": "01-vite-kitchen-fixture",