fix: listSessions filters to @pi-remote-managed sessions only — excludes pi-sidecar and other unrelated tmux sessions

extensions/remote-control/tmux/manager.ts

@@ -82,6 +82,17 @@ export async function spawnSession(opts: {
   if (command) args.push(command);
 
   await execFileAsync("tmux", args);
+
+  // Mark as sidecar-managed so listSessions() can filter out unrelated
+  // tmux sessions (e.g. the pi-sidecar launcher session itself).
+  await execFileAsync("tmux", [
+    "set-option",
+    "-t",
+    name,
+    "@pi-remote-managed",
+    "1",
+  ]).catch(() => {});
+
   return name;
 }
 
@@ -144,6 +155,20 @@ export async function listSessions(): Promise<TmuxSession[]> {
     if (!line) continue;
     const [id, createdAt, lastActivityAt, w, h] = line.split(SEP);
 
+    // Only include sessions created by the sidecar.
+    try {
+      const r = await execFileAsync("tmux", [
+        "show-options",
+        "-t",
+        id,
+        "-qv",
+        "@pi-remote-managed",
+      ]);
+      if (!r.stdout.trim()) continue; // unmanaged session — skip
+    } catch {
+      continue; // can't read options → skip
+    }
+
     // Fetch @description option separately (may not be set)
     let description: string | undefined;
     try {