重构：模块化 RRPP Lite 并更新入口

lite/test/PyQt5/QtCore.py

@@ -0,0 +1,10 @@
+class Qt: pass
+class QTimer: pass
+
+class _Signal:
+    def connect(self, *a, **k): pass
+    def emit(self, *a, **k): pass
+
+def pyqtSignal(*a, **k):
+    return _Signal()
+class QRectF: pass

lite/test/PyQt5/QtGui.py

@@ -0,0 +1,6 @@
+class QFont: pass
+class QIcon: pass
+class QPixmap: pass
+class QImage: pass
+class QColor: pass
+class QPainter: pass

lite/test/PyQt5/QtWidgets.py

@@ -0,0 +1,28 @@
+class QApplication: pass
+class QWidget: pass
+class QLabel:
+    def __init__(self, text=""):
+        self.text = text
+    def setStyleSheet(self, *a): pass
+    def setToolTip(self, *a): pass
+    def setFixedSize(self, *a): pass
+    def setFixedHeight(self, *a): pass
+    def setAlignment(self, *a): pass
+    def setPixmap(self, *a): pass
+    def setText(self, *a): pass
+    def setCursor(self, *a): pass
+    def unsetCursor(self): pass
+    def hide(self): pass
+    def show(self): pass
+class QPushButton: pass
+class QVBoxLayout: pass
+class QHBoxLayout: pass
+class QFrame: pass
+class QMessageBox: pass
+class QTextEdit: pass
+class QCheckBox: pass
+class QMenu: pass
+class QDialog: Accepted = 1
+class QLineEdit: Password = 2
+class QListWidget: pass
+class QListWidgetItem: pass

lite/test/PyQt5/__init__.py

@@ -0,0 +1,2 @@
+# PyQt5 桩模块：仅供 WSL 下 import main 做路由逻辑测试，
+# 决策函数（_decide_direct 等）不依赖任何 Qt 对象。