diff --git a/sessions/0018/SESSION-0018.0-TRANSCRIPT-2026-06-25T09-42--INPROGRESS.md b/sessions/0018/SESSION-0018.0-TRANSCRIPT-2026-06-25T09-42--INPROGRESS.md
new file mode 100644
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+++ b/sessions/0018/SESSION-0018.0-TRANSCRIPT-2026-06-25T09-42--INPROGRESS.md
@@ -0,0 +1,25 @@
+# Session 0018.0 — Transcript
+
+> App: human-experience-filter-art
+> Start: 2026-06-25T09-42 (PST)
+> Type: planning-and-executing
+> Posture: yolo
+> Claude-Session: b96041e5-c682-49f5-88ee-380ea7abb6af
+> Status: **PLACEHOLDER — claimed at session start; finalized at session end.**
+>
+> This file reserves session ID 0018 for human-experience-filter-art. The driver replaces this
+> body with the full transcript and renames the file to its final
+> SESSION-0018.0-TRANSCRIPT-2026-06-25T09-42--<end>.md form at session end.
+
+## Launch prompt
+
+```
+Find a better public-domain nebula flythrough video for the cosmos scale (the current text-free SVS Orion clip lost quality when cropped to remove its text overlay), or upscale the existing one if no better source exists.
+
+```
+
+## 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
index 0c06207..7785987 100644
--- a/sessions/sessions.json
+++ b/sessions/sessions.json
@@ -49,5 +49,8 @@
   },
   "0017": {
     "title": ""
+  },
+  "0018": {
+    "title": ""
   }
 }