diff --git a/sessions/0008/SESSION-0008.0-TRANSCRIPT-2026-06-10T14-05--INPROGRESS.md b/sessions/0008/SESSION-0008.0-TRANSCRIPT-2026-06-10T14-05--INPROGRESS.md
new file mode 100644
index 0000000..fc1a3a3
--- /dev/null
+++ b/sessions/0008/SESSION-0008.0-TRANSCRIPT-2026-06-10T14-05--INPROGRESS.md
@@ -0,0 +1,23 @@
+# Session 0008.0 — Transcript
+
+> App: vscode-cowriting-plugin
+> Start: 2026-06-10T14-05 (PST)
+> Type: planning-and-executing
+> Status: **PLACEHOLDER — claimed at session start; finalized at session end.**
+>
+> This file reserves session ID 0008 for vscode-cowriting-plugin. The driver replaces this
+> body with the full transcript and renames the file to its final
+> SESSION-0008.0-TRANSCRIPT-2026-06-10T14-05--<end>.md form at session end.
+
+## Launch prompt
+
+```
+Fix release-blocking EDH defects and add selection context menus: (1) contributed commands fail with "command not found" when the Extension Development Host has no workspace folder (activate() returns before registering); (2) .vscode/launch.json opens the EDH without a folder so F5 lands in the broken state; (3) add "Ask Claude to Edit Selection" and "Add Coauthoring Thread on Selection" to the editor right-click context menu, visible only when text is highlighted.
+
+```
+
+## 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 8dc8a00..c29b75c 100644
--- a/sessions/sessions.json
+++ b/sessions/sessions.json
@@ -19,5 +19,8 @@
   },
   "0007": {
     "title": ""
+  },
+  "0008": {
+    "title": ""
   }
 }