fix(terminal): authenticate host shell sessions

websocket_service.py

@@ -491,12 +491,6 @@ async def handle_node_terminal_connect(client_id, data):
         return
 
     try:
-        await send_message(client_id, {
-            'type': 'node_terminal_output',
-            'nodeName': node_name,
-            'output': f"\r\n\x1b[32m[AnchorHost]\x1b[0m Initializing node shell on \x1b[36m{node_name}\x1b[0m...\r\n"
-        })
-
         loop = asyncio.get_event_loop()
         pod_name = await ensure_node_shell_pod(node_name)
 
@@ -507,7 +501,7 @@ async def handle_node_terminal_connect(client_id, data):
                     pod_name,
                     'kube-system',
                     container='shell',
-                    command=['nsenter', '-t', '1', '-m', '-u', '-i', '-n', '-p', '--', '/bin/sh'],
+                    command=['nsenter', '-t', '1', '-m', '-u', '-i', '-n', '-p', '--', '/bin/login'],
                     stderr=True,
                     stdin=True,
                     stdout=True,
@@ -521,7 +515,7 @@ async def handle_node_terminal_connect(client_id, data):
                     pod_name,
                     'kube-system',
                     container='shell',
-                    command=['chroot', '/host', '/bin/sh'],
+                    command=['chroot', '/host', '/bin/login'],
                     stderr=True,
                     stdin=True,
                     stdout=True,
@@ -536,12 +530,6 @@ async def handle_node_terminal_connect(client_id, data):
             'nodeName': node_name
         }
 
-        await send_message(client_id, {
-            'type': 'node_terminal_output',
-            'nodeName': node_name,
-            'output': f"\x1b[32m[AnchorHost]\x1b[0m Node terminal connected to \x1b[1m{node_name}\x1b[0m (host root namespace).\r\n\r\n"
-        })
-
         async def read_node_output():
             try:
                 while client_id in node_sessions and client_id in connected_clients:
@@ -575,9 +563,9 @@ async def handle_node_terminal_connect(client_id, data):
     except Exception as e:
         logger.error(f"Node terminal error: {e}", exc_info=True)
         await send_message(client_id, {
-            'type': 'node_terminal_output',
+            'type': 'node_terminal_error',
             'nodeName': node_name,
-            'output': f"\x1b[31m[AnchorHost] Connection failed: {str(e)}\x1b[0m\r\n"
+            'output': f"\x1b[31mHost login could not start: {str(e)}\x1b[0m\r\n"
         })
 
 async def handle_node_terminal_input(client_id, data):
@@ -604,9 +592,9 @@ async def handle_node_terminal_disconnect(client_id, data):
                 ws_client.close()
             if client_id in connected_clients:
                 await send_message(client_id, {
-                    'type': 'node_terminal_output',
+                    'type': 'node_terminal_disconnected',
                     'nodeName': session.get('nodeName'),
-                    'output': "\r\n\x1b[33m[AnchorHost] Node terminal session closed.\x1b[0m\r\n"
+                    'output': "\r\nHost session closed.\r\n"
                 })
         except Exception as e:
             logger.error(f"Node terminal cleanup error: {e}")