fix: retain worker tool activity in narrow classic monitor

hermes_cli/cli_subagent_monitor.py

@@ -130,10 +130,14 @@ def build_monitor_application(monitor, **kwargs):
         rows = []
         for row in monitor.entries:
             selected = row['subagent_id'] == monitor.selected_id
-            text = f"{'❯' if selected else ' '} {row['elapsed']}s · {row.get('status') or 'starting'} · {row.get('goal') or row['subagent_id']}"
-            if row.get('last_tool'):
-                text += f" · last: {row['last_tool']}"
-            rows.append(('class:subagent-dock.selected' if selected else '', _clip(text, size.columns) + '\n'))
+            prefix = f"{row['elapsed']}s · {row.get('status') or 'starting'} · "
+            activity = f" · last: {row['last_tool']}" if row.get('last_tool') else ''
+            goal_width = max(0, size.columns - 2 - get_cwidth(prefix + activity))
+            goal = _clip(row.get('goal') or row['subagent_id'], goal_width)
+            text = f"{'❯' if selected else ' '} " + _clip(prefix + goal + activity, max(0, size.columns - 2))
+            # Pad selection in terminal cells, not codepoints (task names may be wide).
+            text += ' ' * max(0, size.columns - get_cwidth(text))
+            rows.append(('class:subagent-dock.selected' if selected else '', text + '\n'))
         return rows or [('', 'No live subagents. Results arrive in the conversation.')]
 
     def cursor():

tests/cli/test_subagent_dock_surface.py

@@ -56,3 +56,26 @@ def test_passive_dock_fills_rows_but_keeps_input_live(monkeypatch, columns, rows
                 app.exit()
                 await task
     asyncio.run(run())
+
+
+def test_expanded_roster_reserves_activity_before_long_task_names():
+    from prompt_toolkit.data_structures import Size
+    from prompt_toolkit.input import create_pipe_input
+    from prompt_toolkit.output import DummyOutput
+    from prompt_toolkit.utils import get_cwidth
+    from hermes_cli.cli_subagent_monitor import SubagentMonitor, build_monitor_application
+
+    monitor = SubagentMonitor(SimpleNamespace())
+    monitor.entries = [dict(subagent_id=str(i), goal='Inspect 界 ' * 30,
+        elapsed=24, status='running', last_tool='terminal') for i in range(6)]
+    monitor.selected_id = '0'
+    output = DummyOutput()
+    with create_pipe_input() as pipe:
+        for columns, rows in [(100, 30), (80, 20)]:
+            output.get_size = lambda: Size(rows=rows, columns=columns)
+            app = build_monitor_application(monitor, input=pipe, output=output)
+            fragments = app.layout.current_control.text()
+            assert len(fragments) == len(monitor.entries)
+            for _, text in fragments:
+                assert '24s' in text and 'running' in text and 'last: terminal' in text
+                assert get_cwidth(text.rstrip('\n')) == columns