feat(自动加载): 实现自动require库的功能

添加auto_require模块，当访问未加载的库时自动require
包含测试程序验证自动加载功能
预加载常用库到缓存以提高性能

data/computercraft/lua/rom/modules/auto_require.lua

@@ -0,0 +1,52 @@
+-- auto_require.lua: Automatically require libraries when accessed
+
+local original_ENV = _ENV
+
+-- List of common libraries to auto-require
+local common_libs = {
+  "rc", "fs", "term", "colors", "textutils", "window",
+  "keys", "peripheral", "redstone", "rs", "monitor",
+  "modem", "http", "json", "image", "paint", "sound"
+}
+
+-- Pre-load common libraries into a cache
+local lib_cache = {}
+for _, lib_name in ipairs(common_libs) do
+  local success, lib = pcall(require, lib_name)
+  if success then
+    lib_cache[lib_name] = lib
+  end
+end
+
+-- Create a new environment with auto-require functionality
+local auto_env = setmetatable({}, {
+  __index = function(_, key)
+    -- Check if the key exists in the original environment
+    local val = original_ENV[key]
+    if val ~= nil then
+      return val
+    end
+
+    -- Check if the key is in our pre-loaded cache
+    if lib_cache[key] then
+      return lib_cache[key]
+    end
+
+    -- Try to require the module
+    local success, lib = pcall(require, key)
+    if success then
+      lib_cache[key] = lib
+      return lib
+    end
+
+    -- If all else fails, return nil
+    return nil
+  end
+})
+
+-- Replace the global environment with our auto-require environment
+setmetatable(_G, {
+  __index = auto_env
+})
+
+return {}