diff --git a/engineering/0009/SESSION-0009.0-TRANSCRIPT-2026-06-10T09-40--INPROGRESS.md b/engineering/0009/SESSION-0009.0-TRANSCRIPT-2026-06-10T09-40--INPROGRESS.md
new file mode 100644
index 0000000..cefdd2c
--- /dev/null
+++ b/engineering/0009/SESSION-0009.0-TRANSCRIPT-2026-06-10T09-40--INPROGRESS.md
@@ -0,0 +1,24 @@
+# Session 0009.0 — Transcript
+
+> App: engineering
+> Start: 2026-06-10T09-40 (PST)
+> Type: brainstorming
+> Claude-Session: de385d79-89c9-4adc-bb12-d65187f44337
+> Status: **PLACEHOLDER — claimed at session start; finalized at session end.**
+>
+> This file reserves session ID 0009 for engineering. The driver replaces this
+> body with the full transcript and renames the file to its final
+> SESSION-0009.0-TRANSCRIPT-2026-06-10T09-40--<end>.md form at session end.
+
+## Launch prompt
+
+```
+I have a design system downloaded from Claude Design. Where should I put it and how should we reference it across our systems, including the dev plugin
+
+```
+
+## 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/engineering/sessions.json b/engineering/sessions.json
index c29b75c..ec23816 100644
--- a/engineering/sessions.json
+++ b/engineering/sessions.json
@@ -22,5 +22,8 @@
   },
   "0008": {
     "title": ""
+  },
+  "0009": {
+    "title": ""
   }
 }