build: add pyinstaller packaging

cmshopee.spec

@@ -0,0 +1,55 @@
+# -*- mode: python ; coding: utf-8 -*-
+
+"""PyInstaller spec for cmshopee Windows onedir builds.
+
+Local user data is intentionally not bundled. The release package must not
+include config files, SQLite databases, Chrome profiles, generated images,
+logs, prompts, or other operator data.
+"""
+
+block_cipher = None
+
+a = Analysis(
+    ["main.py"],
+    pathex=[],
+    binaries=[],
+    datas=[],
+    hiddenimports=[
+        "PySide6.QtCore",
+        "PySide6.QtGui",
+        "PySide6.QtWidgets",
+    ],
+    hookspath=[],
+    hooksconfig={},
+    runtime_hooks=[],
+    excludes=[],
+    win_no_prefer_redirects=False,
+    win_private_assemblies=False,
+    cipher=block_cipher,
+    noarchive=False,
+)
+pyz = PYZ(a.pure, a.zipped_data, cipher=block_cipher)
+
+exe = EXE(
+    pyz,
+    a.scripts,
+    [],
+    exclude_binaries=True,
+    name="cmshopee",
+    debug=False,
+    bootloader_ignore_signals=False,
+    strip=False,
+    upx=True,
+    console=False,
+    disable_windowed_traceback=False,
+)
+coll = COLLECT(
+    exe,
+    a.binaries,
+    a.zipfiles,
+    a.datas,
+    strip=False,
+    upx=True,
+    upx_exclude=[],
+    name="cmshopee",
+)