diff --git a/tests/test_app_widgets.py b/tests/test_app_widgets.py
index 86933a77..7ce5c642 100644
--- a/tests/test_app_widgets.py
+++ b/tests/test_app_widgets.py
@@ -5,8 +5,9 @@
 import sys
 import pytest
 
-# TUI (python_tui) 依赖 POSIX-only fcntl/termios/tty——Windows 跳过（Windows 冒烟不跑 TUI）
-pytestmark = pytest.mark.skipif(sys.platform == "win32", reason="TUI is POSIX-only (fcntl/termios)")
+# R123 (#401) 后 Windows 已有原生 TUI（Win32Console），但 app.py 交互测试依赖
+# 终端输入/信号行为（SIGWINCH/raw mode），Windows CI 冒烟阶段不可靠 → 仍跳过。
+pytestmark = pytest.mark.skipif(sys.platform == "win32", reason="app 交互测试依赖 POSIX 终端行为（SIGWINCH/raw mode）")
 
 from emrg.client.python_tui.widgets.base import Line, RenderContext, Span, Widget
 from emrg.client.app import ProjectSelector, ModelSelector
diff --git a/tests/test_buffer.py b/tests/test_buffer.py
index de83c096..13efac12 100644
--- a/tests/test_buffer.py
+++ b/tests/test_buffer.py
@@ -8,12 +8,6 @@
 
 from __future__ import annotations
 
-import sys
-import pytest
-
-# TUI (python_tui) 依赖 POSIX-only fcntl/termios/tty——Windows 跳过（Windows 冒烟不跑 TUI）
-pytestmark = pytest.mark.skipif(sys.platform == "win32", reason="TUI is POSIX-only (fcntl/termios)")
-
 from rich.style import Style
 
 from emrg.client.python_tui.buffer import Buffer, Cell, CellWidth, write_lines_to_buffer
diff --git a/tests/test_daemon_manager.py b/tests/test_daemon_manager.py
index 10eec195..6f1d73cd 100644
--- a/tests/test_daemon_manager.py
+++ b/tests/test_daemon_manager.py
@@ -16,8 +16,10 @@
 
 import sys
 
-# TUI (python_tui) 依赖 POSIX-only fcntl/termios/tty——Windows 跳过（Windows 冒烟不跑 TUI）
-pytestmark = pytest.mark.skipif(sys.platform == "win32", reason="TUI is POSIX-only (fcntl/termios)")
+# R123 (#401) 后 Windows 已有原生 TUI，但 daemon_manager 测试覆盖 daemon 生命周期
+# （spawn/信号/超时语义），Windows 上 CREATE_NEW_PROCESS_GROUP 等行为与 POSIX 不同
+# → Windows CI 冒烟阶段仍跳过（纯逻辑测试见 test_buffer/test_output/test_input_parser）。
+pytestmark = pytest.mark.skipif(sys.platform == "win32", reason="daemon 生命周期测试依赖 POSIX 进程语义（Windows CI 冒烟不跑）")
 
 from emrg.client import daemon_manager
 
diff --git a/tests/test_daemon_manager_e2e.py b/tests/test_daemon_manager_e2e.py
index baf69e03..3f22528f 100644
--- a/tests/test_daemon_manager_e2e.py
+++ b/tests/test_daemon_manager_e2e.py
@@ -19,8 +19,10 @@
 
 import sys
 
-# TUI (python_tui) 依赖 POSIX-only fcntl/termios/tty——Windows 跳过（Windows 冒烟不跑 TUI）
-pytestmark = pytest.mark.skipif(sys.platform == "win32", reason="TUI is POSIX-only (fcntl/termios)")
+# R123 (#401) 后 Windows 已有原生 TUI，但 e2e 测试 spawn 真实 daemon + asyncio
+# 事件循环行为（ProactorEventLoop 无 add_reader）与 POSIX 差异大 → Windows CI
+# 冒烟阶段仍跳过（纯逻辑测试见 test_buffer/test_output/test_input_parser）。
+pytestmark = pytest.mark.skipif(sys.platform == "win32", reason="e2e 测试依赖 POSIX daemon spawn/事件循环语义（Windows CI 冒烟不跑）")
 
 from emrg.client import daemon_manager
 from tests.test_ws_e2e import _boot_server, _make_config, _make_fake_chat_stream
diff --git a/tests/test_input_parser.py b/tests/test_input_parser.py
index f856cdc5..9eedc632 100644
--- a/tests/test_input_parser.py
+++ b/tests/test_input_parser.py
@@ -1,11 +1,5 @@
 """Tests for InputParser — byte-stream → complete key sequences, including UTF-8."""
 
-import pytest
-
-import sys
-
-# TUI (python_tui) 依赖 POSIX-only fcntl/termios/tty——Windows 跳过（Windows 冒烟不跑 TUI）
-pytestmark = pytest.mark.skipif(sys.platform == "win32", reason="TUI is POSIX-only (fcntl/termios)")
 from emrg.client.python_tui.events import InputParser, _utf8_len
 
 
diff --git a/tests/test_output.py b/tests/test_output.py
index e4cad8a0..2196b22a 100644
--- a/tests/test_output.py
+++ b/tests/test_output.py
@@ -7,12 +7,6 @@
 
 from __future__ import annotations
 
-import sys
-import pytest
-
-# TUI (python_tui) 依赖 POSIX-only fcntl/termios/tty——Windows 跳过（Windows 冒烟不跑 TUI）
-pytestmark = pytest.mark.skipif(sys.platform == "win32", reason="TUI is POSIX-only (fcntl/termios)")
-
 from rich.style import Style
 
 from emrg.client.python_tui.output import style_diff_sgr, style_to_sgr