diff --git a/ecomm/0039/SESSION-0039.0-TRANSCRIPT-2026-06-15T08-32--INPROGRESS.md b/ecomm/0039/SESSION-0039.0-TRANSCRIPT-2026-06-15T08-32--INPROGRESS.md
new file mode 100644
index 0000000..d0375c0
--- /dev/null
+++ b/ecomm/0039/SESSION-0039.0-TRANSCRIPT-2026-06-15T08-32--INPROGRESS.md
@@ -0,0 +1,22 @@
+# Session 0039.0 — Transcript
+
+> App: ecomm
+> Start: 2026-06-15T08-32 (PST)
+> Type: capture
+> Posture: careful
+> Claude-Session: e8875a44-576d-441d-8916-55fa069e96e3
+> Status: **PLACEHOLDER — claimed at session start; finalized at session end.**
+>
+> This file reserves session ID 0039 for ecomm. The driver replaces this
+> body with the full transcript and renames the file to its final
+> SESSION-0039.0-TRANSCRIPT-2026-06-15T08-32--<end>.md form at session end.
+
+## Launch prompt
+
+_(launch prompt not captured at claim time)_
+
+## 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/ecomm/sessions.json b/ecomm/sessions.json
index 96599ef..a8ca391 100644
--- a/ecomm/sessions.json
+++ b/ecomm/sessions.json
@@ -112,5 +112,8 @@
   },
   "0038": {
     "title": ""
+  },
+  "0039": {
+    "title": ""
   }
 }