diff --git a/dev-claude-plugin/0041/SESSION-0041.0-TRANSCRIPT-2026-06-10T00-33--INPROGRESS.md b/dev-claude-plugin/0041/SESSION-0041.0-TRANSCRIPT-2026-06-10T00-33--INPROGRESS.md
new file mode 100644
index 0000000..0c3d294
--- /dev/null
+++ b/dev-claude-plugin/0041/SESSION-0041.0-TRANSCRIPT-2026-06-10T00-33--INPROGRESS.md
@@ -0,0 +1,23 @@
+# Session 0041.0 — Transcript
+
+> App: dev-claude-plugin
+> Start: 2026-06-10T00-33 (PST)
+> Type: brainstorming
+> Status: **PLACEHOLDER — claimed at session start; finalized at session end.**
+>
+> This file reserves session ID 0041 for dev-claude-plugin. The driver replaces this
+> body with the full transcript and renames the file to its final
+> SESSION-0041.0-TRANSCRIPT-2026-06-10T00-33--<end>.md form at session end.
+
+## Launch prompt
+
+```
+Write the Solution Design for plugin issue #64 — "Scale required up-front design to issue type": gate solution-designs on a non-epic issue input; gate implementation-plans on a solution-design OR a story/task/bug issue; introduce type/bug. Anchored on https://git.wiggleverse.org/wiggleverse/wiggleverse-dev-claude-plugin/issues/64 (filed earlier this sitting by capture session 0040).
+
+```
+
+## Deferred decisions
+
+_Autonomous-mode low-confidence calls the driver made and would have
+liked operator input on. Appended as the session runs; surfaced at
+finalize. Empty if none._
diff --git a/dev-claude-plugin/sessions.json b/dev-claude-plugin/sessions.json
index 410814f..063533a 100644
--- a/dev-claude-plugin/sessions.json
+++ b/dev-claude-plugin/sessions.json
@@ -118,5 +118,8 @@
   },
   "0040": {
     "title": ""
+  },
+  "0041": {
+    "title": ""
   }
 }