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-kbd-func.el

@@ -170,6 +170,24 @@ Disable jinx-mode if it's enable and global-jinx-mode is disable , otherwise tog
   (when-let* ((proj (project-current t)))
     (consult-ripgrep (project-root proj))))
 
+(defun my-color-picker ()
+  "Pick a color with preview."
+  (interactive)
+  (let* ((colors (defined-colors))
+         (choice (completing-read
+                  "Color: "
+                  (mapcar (lambda (c)
+                            (propertize
+                             (format "%-20s %s" c "████")
+                             'face `(:foreground ,c)))
+                          colors))))
+    (string-trim (car (split-string choice)))))
+
+(defun fix-theme-colors ()
+  "Fix invalid color name in theme files."
+  (interactive)
+  (load-file (expand-file-name "~/.emacs.d/lisp/fix-theme-colors.el")))
+
 (when *is-linux*
   (defun reboot ()
     "Execute loginctl reboot command."