feat: add mock and spy utilities facade with module re-exports for backward compatibility

packages/lua_test/seed/scripts/mocks.lua

@@ -0,0 +1,30 @@
+-- Mock and spy utilities facade
+-- Re-exports all mock modules for backward compatibility
+--
+-- Split into focused modules:
+--   mock_fn.lua      - Mock function creator (fn)
+--   spy.lua          - Method spying (spyOn)
+--   mock_object.lua  - Mock object creator (mockObject)
+--   fake_timers.lua  - Timer mocks (useFakeTimers)
+
+local mock_fn = require("mock_fn")
+local spy = require("spy")
+local mock_object = require("mock_object")
+local fake_timers = require("fake_timers")
+
+---@class MocksModule
+local M = {}
+
+-- Re-export mock function
+M.fn = mock_fn.fn
+
+-- Re-export spy
+M.spyOn = spy.spyOn
+
+-- Re-export mock object
+M.mockObject = mock_object.mockObject
+
+-- Re-export fake timers
+M.useFakeTimers = fake_timers.useFakeTimers
+
+return M