refactor: Reorganize config with use-package and optimize startup hooks

- Split monolithic init-package.el into focused modules
- Convert eager `:init` blocks to lazy `:hook`
- Consolidate UI settings and defer theme loading.
- Remove duplicated config between GUI and terminal paths.

lisp/init-const.el

@@ -10,34 +10,6 @@
 (defconst *is-windows* (or (eq system-type 'ms-dos) (eq system-type 'windows-nt)))
 (defconst *is-android* (if (getenv "TERMUX_VERSION") t nil))
 
-(if *is-windows*
-    (progn
-      ;; 设置默认编码环境
-      (set-language-environment "UTF-8")
-      (prefer-coding-system 'utf-8)
-      (set-default-coding-systems 'utf-8)
-      (set-terminal-coding-system 'utf-8)
-      (set-keyboard-coding-system 'utf-8)
-      (setq default-buffer-file-coding-system 'utf-8)
-
-      ;; 设置进程通信编码
-      (setq default-process-coding-system '(utf-8 . utf-8))
-
-      ;; Windows 文件名 Unicode 支持
-      (setq w32-unicode-filenames t)
-      (setq w32-system-coding-system 'utf-8)
-
-      ;; 为特定程序设置编码
-      (add-to-list 'process-coding-system-alist '("rg" utf-8 . gbk))
-      (add-to-list 'process-coding-system-alist '("ripgrep" utf-8 . gbk)))
-  (progn
-    (add-to-list 'process-coding-system-alist '("rg" utf-8 . utf-8))
-    (add-to-list 'process-coding-system-alist '("ripgrep" utf-8 . utf-8))))
-(add-to-list 'process-coding-system-alist '("grep" utf-8 . utf-8))
-(add-to-list 'process-coding-system-alist '("find" utf-8 . utf-8))
-(add-to-list 'process-coding-system-alist '("fd" utf-8 . utf-8))
-(add-to-list 'process-coding-system-alist '("fdfind" utf-8 . utf-8))
-
 (provide 'init-const)
 
 ;;; init-const.el ends here