connectiopn fix round 2 3

app/admin/routes.py

@@ -1921,13 +1921,20 @@ async def list_sessions(
     result = []
     for r in rows:
         recording_path = r[11]
+        is_active = r[8] is None
+        killable = r[0] in active_ids
         result.append({
             "id": r[0], "user_id": r[1], "username": r[2], "host_id": r[3],
             "hostname": r[4], "host_group_name": r[5], "protocol": r[6],
             "started_at": r[7], "ended_at": r[8], "client_ip": r[9], "end_reason": r[10],
-            "is_active": r[8] is None,
-            "killable": r[0] in active_ids,
+            "is_active": is_active,
+            "killable": killable,
             "has_recording": bool(recording_path) and Path(recording_path).exists(),
+            # Live-Mitschau (GET /ws/sessions/{id}/watch): wie 'killable' nur
+            # moeglich, wenn die Sitzung auf DIESEM Worker-Prozess laeuft --
+            # und bisher nur fuer SSH umgesetzt (RDP haette dafuer eine eigene
+            # Multiplexing-Loesung fuer den guacd-Binaer-Tunnel noetig).
+            "watchable": is_active and killable and r[6] == "ssh",
         })
     return result