feat: detect Windows profile for install and input

src/input_layer/win_input.py

@@ -5,26 +5,17 @@ No kernel drivers, no third-party DLLs. Only standard system DLLs (user32, kerne
 import ctypes
 import time
 import struct
-import platform
 from ctypes import wintypes
 from utils.misc import wait
+from utils.os_detect import detect_os
 
 
-# ─── Win10 vs Win11 mouse mode detection ───
+# Win10 vs Win11 mouse mode detection
 # Win10: SendInput needs MOUSEEVENTF_ABSOLUTE for correct positioning
 # Win11 (25H2+): ABSOLUTE flag breaks mouse — use relative-only
 # Detect at import time so the whole session uses the right mode.
-def _is_win11():
-    """Return True if running on Windows 11 (build >= 22000)."""
-    try:
-        ver = platform.win32_ver()  # ('10', '10.0.26200', 'SP0', ...)
-        build_str = ver[1].split('.')[2]  # '26200'
-        build = int(build_str)
-        return build >= 22000
-    except Exception:
-        return False
-
-_USE_ABSOLUTE_MOUSE = not _is_win11()  # True for Win10, False for Win11
+_OS_INFO = detect_os()
+_USE_ABSOLUTE_MOUSE = _OS_INFO.use_absolute_mouse
 
 # ─── user32 constants ───
 
@@ -196,7 +187,7 @@ def _make_mouse_input(flags: int, dx: int = 0, dy: int = 0, data: int = 0):
     i.union.mi.dx = dx
     i.union.mi.dy = dy
     i.union.mi.mouseData = data
-    i.union.mi.dwFlags = flags | (MOUSEEVENTF_ABSOLUTE if _USE_ABSOLUTE_MOUSE else 0)
+    i.union.mi.dwFlags = flags
     i.union.mi.dwExtraInfo = None
     return i
 
@@ -274,12 +265,17 @@ def get_screen_size():
     return user32.GetSystemMetrics(0), user32.GetSystemMetrics(1)
 
 def mouse_move(x: int, y: int):
-    """Move mouse to absolute screen position (uses absolute SendInput)."""
-    screen_w, screen_h = get_screen_size()
-    # SendInput expects normalized absolute coordinates 0-65535
-    norm_x = int(x * 65535 / screen_w)
-    norm_y = int(y * 65535 / screen_h)
-    _send_input(_make_mouse_input(MOUSEEVENTF_MOVE | MOUSEEVENTF_ABSOLUTE, norm_x, norm_y))
+    """Move mouse to an absolute screen position using the OS-specific mode."""
+    if _USE_ABSOLUTE_MOUSE:
+        screen_w, screen_h = get_screen_size()
+        # SendInput expects normalized absolute coordinates 0-65535.
+        norm_x = int(x * 65535 / screen_w)
+        norm_y = int(y * 65535 / screen_h)
+        _send_input(_make_mouse_input(MOUSEEVENTF_MOVE | MOUSEEVENTF_ABSOLUTE, norm_x, norm_y))
+        return
+
+    cur_x, cur_y = get_cursor_pos()
+    _send_input(_make_mouse_input(MOUSEEVENTF_MOVE, int(x - cur_x), int(y - cur_y)))
 
 def mouse_down(button: str = "left"):
     """Press mouse button down."""