diff --git a/sessions/0039/SESSION-0039.0-TRANSCRIPT-2026-06-30T10-40--INPROGRESS.md b/sessions/0039/SESSION-0039.0-TRANSCRIPT-2026-06-30T10-40--INPROGRESS.md
new file mode 100644
index 0000000..4223ffd
--- /dev/null
+++ b/sessions/0039/SESSION-0039.0-TRANSCRIPT-2026-06-30T10-40--INPROGRESS.md
@@ -0,0 +1,23 @@
+# Session 0039.0 — Transcript
+
+> App: human-experience-filter-art
+> Start: 2026-06-30T10-40 (PST)
+> Type: planning-and-executing
+> Posture: yolo
+> Claude-Session: 9c986be3-c1f9-4123-bf7a-d62dd34810dd
+> Checkout: /Users/benstull/git/benstull.org/benstull/human-experience-filter-art/.claude/worktrees/welcome-screen-controls
+> Status: **PLACEHOLDER — claimed at session start; finalized at session end.**
+>
+> This file reserves session ID 0039 for human-experience-filter-art. The driver replaces this
+> body with the full transcript and renames the file to its final
+> SESSION-0039.0-TRANSCRIPT-2026-06-30T10-40--<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/sessions/sessions.json b/sessions/sessions.json
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--- a/sessions/sessions.json
+++ b/sessions/sessions.json
@@ -112,5 +112,8 @@
   },
   "0038": {
     "title": ""
+  },
+  "0039": {
+    "title": ""
   }
 }