FIX: bundle scipy submodules (ansari_swilk_stats) + librosa .pyi stubs (lazy_loader) trong engine.spec

engine.spec

@@ -3,7 +3,7 @@
 # -*- mode: python ; coding: utf-8 -*-
 
 import os
-from PyInstaller.utils.hooks import collect_dynamic_libs, collect_submodules
+from PyInstaller.utils.hooks import collect_dynamic_libs, collect_submodules, collect_data_files
 
 # Native DLL cho pedalboard va soundfile
 binaries = collect_dynamic_libs('pedalboard')
@@ -25,12 +25,23 @@ datas = [
     (os.path.join(_SPEC_ROOT, 'md'), 'md'),                            # /ai-prompt-generator
 ]
 
+# librosa 0.11 dùng lazy_loader.attach_stub -> lúc RUNTIME cần file .pyi
+# ton tai tren disk ('Cannot load imports from non-existent stub ...librosa\__init__.pyi').
+# PyInstaller mac dinh KHONG bundle .pyi -> phai collect explicit.
+datas += collect_data_files('librosa', includes=['**/*.pyi'])
+
+# scipy >= 1.18 tach scipy.stats thanh nhieu module con (vd
+# _ansari_swilk_statistics) import lazy ben trong ham -> hook scipy cua
+# PyInstaller miss -> ModuleNotFoundError luc runtime. Collect toan bo
+# submodules cua scipy de khong sot module nao (stats/signal/ndimage...).
+_scipy_hidden = collect_submodules('scipy')
+
 a = Analysis(
     ['desktop_engine.py'],
     pathex=[_SPEC_ROOT],
     binaries=binaries,
     datas=datas,
-    hiddenimports=collect_submodules('celery.fixups') + [
+    hiddenimports=collect_submodules('celery.fixups') + _scipy_hidden + [
         'uvicorn.logging',
         'uvicorn.loops',
         'uvicorn.loops.auto',