docs(11-08): complete gap plan summary

.planning/state.json

@@ -56,13 +56,18 @@
     {
       "number": "11",
       "name": "Jobs, realtime and search infrastructure",
-      "status": "pending"
+      "status": "in_progress"
     },
     {
       "number": "11.1",
       "name": "SummerCMS documentation for humans and AI agents",
       "status": "pending"
     },
+    {
+      "number": "11.2",
+      "name": "Ready to share: summercms.io website and newsletter plugin",
+      "status": "pending"
+    },
     {
       "number": "12",
       "name": "Płytarium API — Collections and Albums",
@@ -86,8 +91,8 @@
   ],
   "next": {
     "command": "/gsd:progress --next",
-    "label": "Advance to the next step",
-    "reason": "Phase 10.1 of 18 · executing"
+    "label": "Advance to the next step (verify)",
+    "reason": "Phase 11 of 19 · ready to verify"
   },
-  "updated_at": "2026-09-28T20:34:17.786Z"
+  "updated_at": "2026-09-30T19:09:22.774Z"
 }