feat(shell): highlight user input with bright blue and separator for better visibility

src/kimi_cli/ui/shell/echo.py

@@ -1,17 +1,31 @@
 from __future__ import annotations
 
+import shutil
+
 from kosong.message import Message
+from rich.console import Group
 from rich.text import Text
 
 from kimi_cli.ui.shell.prompt import PROMPT_SYMBOL
 from kimi_cli.utils.message import message_stringify
 
 
-def render_user_echo(message: Message) -> Text:
+def _separator_line() -> Text:
+    """Return a dashed separator line that spans the full terminal width."""
+    try:
+        width = shutil.get_terminal_size().columns
+    except OSError:
+        width = 80
+    return Text("-" * width, style="grey50")
+
+
+def render_user_echo(message: Message) -> Group:
     """Render a user message as literal shell transcript text."""
-    return Text(f"{PROMPT_SYMBOL} {message_stringify(message)}")
+    user_line = Text(f"{PROMPT_SYMBOL} {message_stringify(message)}", style="#007AFF")
+    return Group(user_line, _separator_line())
 
 
-def render_user_echo_text(text: str) -> Text:
+def render_user_echo_text(text: str) -> Group:
     """Render the local prompt text exactly as the user saw it in the buffer."""
-    return Text(f"{PROMPT_SYMBOL} {text}")
+    user_line = Text(f"{PROMPT_SYMBOL} {text}", style="#007AFF")
+    return Group(user_line, _separator_line())

src/kimi_cli/ui/shell/prompt.py

@@ -1500,6 +1500,7 @@ def _(event: KeyPressEvent) -> None:
             bottom_toolbar=self._render_bottom_toolbar,
             style=Style.from_dict(
                 {
+                    "user-input": "fg:#007AFF",  # User input text - bright blue
                     "bottom-toolbar": "noreverse",
                     "running-prompt-placeholder": "fg:#7c8594 italic",
                     "running-prompt-separator": "fg:#4a5568",
@@ -1589,6 +1590,9 @@ def _install_prompt_buffer_visibility(self) -> None:
         buffer_container.filter = buffer_container.filter & Condition(
             self._should_render_input_buffer
         )
+        # Apply style class to input buffer
+        if hasattr(buffer_container, "content") and isinstance(buffer_container.content, Window):
+            buffer_container.content.style = "class:user-input"
         self._prompt_buffer_container = buffer_container
 
     def _should_show_slash_completion_menu(self) -> bool:

tests/ui_and_conv/test_replay.py

@@ -66,6 +66,15 @@ async def test_build_replay_turns_from_wire_keeps_steer_as_user_turn(tmp_path: P
     assert turns[1].n_steps == 2
 
 
+def _get_first_renderable_plain(text):
+    """Extract plain text from first renderable of a Group, or fallback to str."""
+    from rich.console import Group
+
+    if isinstance(text, Group) and text.renderables:
+        return getattr(text.renderables[0], "plain", str(text.renderables[0]))
+    return getattr(text, "plain", str(text))
+
+
 @pytest.mark.asyncio
 async def test_replay_recent_history_falls_back_to_history_when_wire_misses_steer(
     tmp_path: Path,
@@ -86,7 +95,7 @@ async def test_replay_recent_history_falls_back_to_history_when_wire_misses_stee
     monkeypatch.setattr(
         replay_module.console,
         "print",
-        lambda text: printed.append(getattr(text, "plain", str(text))),
+        lambda text: printed.append(_get_first_renderable_plain(text)),
     )
 
     async def fake_visualize(*_args, **_kwargs) -> None:
@@ -156,7 +165,7 @@ async def test_replay_recent_history_falls_back_to_history_when_duplicate_text_s
     monkeypatch.setattr(
         replay_module.console,
         "print",
-        lambda text: printed.append(getattr(text, "plain", str(text))),
+        lambda text: printed.append(_get_first_renderable_plain(text)),
     )
 
     async def fake_visualize(*_args, **_kwargs) -> None:

tests/ui_and_conv/test_shell_prompt_echo.py

@@ -1,5 +1,5 @@
 from kosong.message import Message
-from rich.text import Text
+from rich.console import Group
 
 import kimi_cli.ui.shell as shell_module
 from kimi_cli.ui.shell import Shell
@@ -19,16 +19,18 @@ def _make_user_input(command: str, *, mode: PromptMode = PromptMode.AGENT) -> Us
 
 
 def test_echo_agent_input_prints_stringified_user_message(monkeypatch) -> None:
-    printed: list[Text] = []
+    printed: list[Group] = []
     monkeypatch.setattr(shell_module.console, "print", lambda text: printed.append(text))
 
     Shell._echo_agent_input(_make_user_input("hi"))
 
-    assert [text.plain for text in printed] == ["✨ hi"]
+    assert len(printed) == 1
+    # Group contains: user line + separator line
+    assert printed[0].renderables[0].plain == "✨ hi"
 
 
 def test_echo_agent_input_uses_display_command_for_placeholders(monkeypatch) -> None:
-    printed: list[Text] = []
+    printed: list[Group] = []
     monkeypatch.setattr(shell_module.console, "print", lambda text: printed.append(text))
 
     user_input = UserInput(
@@ -40,13 +42,16 @@ def test_echo_agent_input_uses_display_command_for_placeholders(monkeypatch) ->
 
     Shell._echo_agent_input(user_input)
 
-    assert [text.plain for text in printed] == ["✨ [Pasted text #1 +3 lines]"]
+    assert len(printed) == 1
+    # Group contains: user line + separator line
+    assert printed[0].renderables[0].plain == "✨ [Pasted text #1 +3 lines]"
 
 
 def test_render_user_echo_preserves_literal_brackets() -> None:
     rendered = render_user_echo(Message(role="user", content=[TextPart(text="[brackets]")]))
 
-    assert rendered.plain == "✨ [brackets]"
+    # Group contains: user line + separator line
+    assert rendered.renderables[0].plain == "✨ [brackets]"
 
 
 def test_render_user_echo_preserves_image_placeholder_literal() -> None:
@@ -57,7 +62,8 @@ def test_render_user_echo_preserves_image_placeholder_literal() -> None:
         )
     )
 
-    assert rendered.plain == "✨ [image]"
+    # Group contains: user line + separator line
+    assert rendered.renderables[0].plain == "✨ [image]"
 
 
 def test_render_user_echo_preserves_audio_placeholder_literal() -> None:
@@ -72,7 +78,8 @@ def test_render_user_echo_preserves_audio_placeholder_literal() -> None:
         )
     )
 
-    assert rendered.plain == "✨ [audio:clip]"
+    # Group contains: user line + separator line
+    assert rendered.renderables[0].plain == "✨ [audio:clip]"
 
 
 def test_render_user_echo_preserves_video_placeholder_literal() -> None:
@@ -85,7 +92,8 @@ def test_render_user_echo_preserves_video_placeholder_literal() -> None:
         )
     )
 
-    assert rendered.plain == "✨ [video]"
+    # Group contains: user line + separator line
+    assert rendered.renderables[0].plain == "✨ [video]"
 
 
 def test_render_user_echo_preserves_mixed_content_order() -> None:
@@ -101,7 +109,8 @@ def test_render_user_echo_preserves_mixed_content_order() -> None:
         )
     )
 
-    assert rendered.plain == "✨ look [image][audio][video]"
+    # Group contains: user line + separator line
+    assert rendered.renderables[0].plain == "✨ look [image][audio][video]"
 
 
 def test_should_echo_agent_input_for_plain_agent_message() -> None:

tests/ui_and_conv/test_shell_run_placeholders.py

@@ -67,6 +67,15 @@ def _make_fake_soul():
     )
 
 
+def _get_first_renderable_plain(text):
+    """Extract plain text from first renderable of a Group, or fallback to str."""
+    from rich.console import Group
+
+    if isinstance(text, Group) and text.renderables:
+        return getattr(text.renderables[0], "plain", str(text.renderables[0]))
+    return getattr(text, "plain", str(text))
+
+
 @pytest.fixture
 def _patched_shell_run(monkeypatch):
     _FakePromptSession.instances = []
@@ -81,7 +90,7 @@ def _patched_shell_run(monkeypatch):
     monkeypatch.setattr(
         shell_module.console,
         "print",
-        lambda text="": printed.append(getattr(text, "plain", str(text))),
+        lambda text="": printed.append(_get_first_renderable_plain(text)),
     )
     return printed
 

tests/ui_and_conv/test_visualize_running_prompt.py

@@ -7,11 +7,20 @@
 import pytest
 from prompt_toolkit.buffer import Buffer
 from prompt_toolkit.document import Document
+from rich.console import Group
 from rich.text import Text
 
 from kimi_cli.ui.shell.prompt import PromptMode, UserInput
 from kimi_cli.wire.types import ApprovalRequest, StatusUpdate, SteerInput, TextPart
 
+
+def _get_first_renderable_plain(text):
+    """Extract plain text from first renderable of a Group, or fallback to str."""
+    if isinstance(text, Group) and text.renderables:
+        return getattr(text.renderables[0], "plain", str(text.renderables[0]))
+    return getattr(text, "plain", str(text))
+
+
 shell_visualize = importlib.import_module("kimi_cli.ui.shell.visualize")
 _LiveView = shell_visualize._LiveView
 _PromptLiveView = shell_visualize._PromptLiveView
@@ -157,7 +166,7 @@ def test_live_view_renders_steer_input_as_user_echo(monkeypatch) -> None:
     monkeypatch.setattr(
         shell_visualize.console,
         "print",
-        lambda text: printed.append(getattr(text, "plain", str(text))),
+        lambda text: printed.append(_get_first_renderable_plain(text)),
     )
 
     view.dispatch_wire_message(SteerInput(user_input=[TextPart(text="A steer follow-up")]))
@@ -175,7 +184,7 @@ def test_live_view_flushes_current_output_before_printing_steer_input(monkeypatc
     monkeypatch.setattr(
         shell_visualize.console,
         "print",
-        lambda text: order.append(("print", getattr(text, "plain", str(text)))),
+        lambda text: order.append(("print", _get_first_renderable_plain(text))),
     )
 
     view.dispatch_wire_message(SteerInput(user_input=[TextPart(text="A steer follow-up")]))
@@ -499,7 +508,7 @@ def test_handle_local_input_echoes_placeholder_display_text_but_steers_expanded_
     monkeypatch.setattr(
         shell_visualize.console,
         "print",
-        lambda text: printed.append(getattr(text, "plain", str(text))),
+        lambda text: printed.append(_get_first_renderable_plain(text)),
     )
 
     view.handle_local_input(