diff --git a/dev-claude-plugin/0020/SESSION-0020.0-TRANSCRIPT-2026-06-06T18-46--INPROGRESS.md b/dev-claude-plugin/0020/SESSION-0020.0-TRANSCRIPT-2026-06-06T18-46--INPROGRESS.md
index 0c2c630..ee23b32 100644
--- a/dev-claude-plugin/0020/SESSION-0020.0-TRANSCRIPT-2026-06-06T18-46--INPROGRESS.md
+++ b/dev-claude-plugin/0020/SESSION-0020.0-TRANSCRIPT-2026-06-06T18-46--INPROGRESS.md
@@ -21,3 +21,10 @@ Add a hook on session clear and exit to ensure that if a session was started, fi
 _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._
+
+<!-- WGL-SESSION-ENDED-UNFINALIZED -->
+> ⚠️ This session ENDED WITHOUT A COMPLETED FINALIZE at 2026-06-06T22-45 (PST; reason: unknown).
+> This placeholder holds only the last local checkpoint; the rich finalize
+> (narrative, memory update, PR/branch survey) did not run. The next session
+> should ADOPT and finalize this transcript via wgl-session-finalize, which
+> replaces this placeholder with the finalized record.