fix(cli): pause spinner cleanly before printing progress output

tests/test_cli_input.py

@@ -1,5 +1,5 @@
 import asyncio
-from unittest.mock import AsyncMock, MagicMock, patch
+from unittest.mock import AsyncMock, MagicMock, call, patch
 
 import pytest
 from prompt_toolkit.formatted_text import HTML
@@ -57,3 +57,57 @@ def test_init_prompt_session_creates_session():
         _, kwargs = MockSession.call_args
         assert kwargs["multiline"] is False
         assert kwargs["enable_open_in_editor"] is False
+
+
+def test_thinking_spinner_pause_stops_and_restarts():
+    """Pause should stop the active spinner and restart it afterward."""
+    spinner = MagicMock()
+
+    with patch.object(commands.console, "status", return_value=spinner):
+        thinking = commands._ThinkingSpinner(enabled=True)
+        with thinking:
+            with thinking.pause():
+                pass
+
+    assert spinner.method_calls == [
+        call.start(),
+        call.stop(),
+        call.start(),
+        call.stop(),
+    ]
+
+
+def test_print_cli_progress_line_pauses_spinner_before_printing():
+    """CLI progress output should pause spinner to avoid garbled lines."""
+    order: list[str] = []
+    spinner = MagicMock()
+    spinner.start.side_effect = lambda: order.append("start")
+    spinner.stop.side_effect = lambda: order.append("stop")
+
+    with patch.object(commands.console, "status", return_value=spinner), \
+         patch.object(commands.console, "print", side_effect=lambda *_args, **_kwargs: order.append("print")):
+        thinking = commands._ThinkingSpinner(enabled=True)
+        with thinking:
+            commands._print_cli_progress_line("tool running", thinking)
+
+    assert order == ["start", "stop", "print", "start", "stop"]
+
+
+@pytest.mark.asyncio
+async def test_print_interactive_progress_line_pauses_spinner_before_printing():
+    """Interactive progress output should also pause spinner cleanly."""
+    order: list[str] = []
+    spinner = MagicMock()
+    spinner.start.side_effect = lambda: order.append("start")
+    spinner.stop.side_effect = lambda: order.append("stop")
+
+    async def fake_print(_text: str) -> None:
+        order.append("print")
+
+    with patch.object(commands.console, "status", return_value=spinner), \
+         patch("nanobot.cli.commands._print_interactive_line", side_effect=fake_print):
+        thinking = commands._ThinkingSpinner(enabled=True)
+        with thinking:
+            await commands._print_interactive_progress_line("tool running", thinking)
+
+    assert order == ["start", "stop", "print", "start", "stop"]