cli/display: show a cancelled wait distinctly

The wait line rendered every non-error/non-slept outcome as "(disturbed)", so a
Ctrl+C cancellation of the wait prompt looked like the human disturbed it. Print
"(cancelled)" for the tool's "cancelled by user" result.

src/plyngent/cli/display.py

@@ -444,11 +444,13 @@ def _wait_prefix(_args_json: str) -> str:
 
 
 def _wait_detail(_args_json: str, result: str) -> str:
-    """``wait`` outcome: slept duration, disturbed, or error."""
+    """``wait`` outcome: slept duration, disturbed, cancelled, or error."""
     if result.startswith("error:"):
         return _pretty_segments((f"({result})", "red"))
     if result.startswith("waited "):
         return _pretty_segments((f"({result.removeprefix('waited ')})", "green"))
+    if result.startswith("cancelled by user"):
+        return _pretty_segments(("(cancelled)", "yellow"))
     return _pretty_segments(("(disturbed)", "yellow"))
 
 

tests/test_cli/test_display.py

@@ -553,6 +553,13 @@ async def test_pretty_wait_disturbed(capsys: pytest.CaptureFixture[str]) -> None
     assert "* Wait (disturbed)" in out
 
 
+async def test_pretty_wait_cancelled(capsys: pytest.CaptureFixture[str]) -> None:
+    """Ctrl+C during the wait prompt reads as cancelled, not disturbed."""
+    await render_events(_aiter([_pretty_call("wait", '{"duration": 30}'), _result("cancelled by user")]))
+    out = capsys.readouterr().out
+    assert "* Wait (cancelled)" in out
+
+
 async def test_pretty_wait_error(capsys: pytest.CaptureFixture[str]) -> None:
     content = "error: duration must not be negative"
     await render_events(_aiter([_pretty_call("wait", '{"duration": -1}'), _result(content)]))