diff --git a/src/servers/api/chat/chat.ts b/src/servers/api/chat/chat.ts
index 08c7d89e..d29113f5 100644
--- a/src/servers/api/chat/chat.ts
+++ b/src/servers/api/chat/chat.ts
@@ -122,9 +122,13 @@ chatRouter.get('/live', async (ctx) => {
 
   // OpenCode rows carry less, and the shape says so rather than faking parity. `isGenerating` is always
   // true because a subprocess exists only while it generates; `pendingTasks` is 0 because `opencode run`
-  // has no background-task concept. Title and cwd come from the session store, which is keyed on the
-  // `ses_…` id the runner reports — not on our sessionKey — so a turn whose id has not been reported yet
-  // shows unnamed rather than guessing.
+  // has no background-task concept.
+  //
+  // Title and cwd are ALWAYS null here, not merely null-until-known: naming a session means reading
+  // OpenCode's store, which is keyed on the `ses_…` id, and `LiveOpenCodeSession` does not carry one —
+  // the runner reports it separately over `opencode:session` and nothing correlates the two. So a
+  // running OpenCode turn shows up unnamed, every time. Giving it a title means widening that type
+  // first; guessing from `sessionKey` would be inventing one.
   const openCodeSessions = liveOpenCode.map((session) => ({
     sessionKey: session.sessionKey,
     claudeSessionId: null,
diff --git a/src/servers/sidecar/protocol.ts b/src/servers/sidecar/protocol.ts
index ad05f5ae..198c9cac 100644
--- a/src/servers/sidecar/protocol.ts
+++ b/src/servers/sidecar/protocol.ts
@@ -11,14 +11,6 @@ export type SidecarMessage = SidecarCommand | SidecarEvent;
  * together with `isGenerating` it is exactly what the agent's own idle GC consults before deciding a
  * session may be collected, so a caller can tell "busy" from "merely open" the same way it does.
  */
-/**
- * An OpenCode turn in flight. Only ever the generating ones — see `listRunningOpenCodeTurns` for why
- * this carries neither `isGenerating` (it is always true) nor `pendingTasks` (no such concept).
- */
-export type LiveOpenCodeSession = {
-  sessionKey: string;
-};
-
 export type LiveClaudeSession = {
   sessionKey: string;
   /**
@@ -33,6 +25,18 @@ export type LiveClaudeSession = {
   pendingTasks: number;
 };
 
+/**
+ * An OpenCode turn in flight. Only ever the generating ones — see `listRunningOpenCodeTurns` for why
+ * this carries neither `isGenerating` (it is always true) nor `pendingTasks` (no such concept).
+ *
+ * It also carries no id for OpenCode's own `ses_…` session, which is why a live OpenCode row cannot be
+ * named: the runner reports that id separately, over `opencode:session`, and nothing correlates the two
+ * back here. Adding it is what a titled OpenCode row in the Live panel would need.
+ */
+export type LiveOpenCodeSession = {
+  sessionKey: string;
+};
+
 // ── Commands (API server → sidecar) ──
 
 export type SidecarCommand =