chore(config): Refactor Emacs configuration with multiple improvements

- Replace projectile with built-in project.el
- Add cal-china-x for Chinese lunar calendar support
- Add dired-gitignore integration with dirvish
- Add mwim for smarter line navigation
- Add keycast mode for key display
- Add ef-themes theme collection
- Improve corfu terminal handling for Emacs 31+
- Add gptel-agent-project and consult-ripgrep-project helpers
- Remove custom.el from repo, support init-local.el for local config
- Update theme faces for transient, keycast, and calendar holidays
- Various keybinding additions and cleanup

lisp/init-package.el

@@ -31,6 +31,13 @@
 ;; drag-stuff，拖动字符
 (use-package drag-stuff)
 
+;; mwim，更聪明的beginning/end of line
+(use-package mwim
+  :bind (([remap move-beginning-of-line] . mwim-beginning)
+         ([remap move-end-of-line] . mwim-end)
+	 ([remap org-beginning-of-line] . mwim-beginning)
+	 ([remap org-end-of-line] . mwim-end)))
+
 ;; which-key，快捷键提示
 (use-package which-key
   :delight
@@ -183,22 +190,21 @@ targets."
 	undo-outer-limit 12000000))
 
 ;; expand-region，快速展开选中
-(use-package expand-region)
-
-;; projectile，项目管理
-(use-package projectile
-  :delight
-  :init
-  (projectile-mode)
-  (projectile-known-projects)
-  :bind
-  (:map projectile-mode-map
-        ("C-x p" . projectile-command-map)
-	("C-x p b" . consult-project-buffer))
+(use-package expand-region
+  :commands
+  (er/mark-symbol er/mark-word)
   :config
-  (setq projectile-enable-caching 'persistent)
-  (setq projectile-auto-discover t)
-  (setq projectile-auto-cleanup-known-projects t))
+  (setq expand-region-smart-cursor t))
+
+;; project
+(use-package project
+  :bind
+  ([remap project-vc-dir] . magit-project-status)
+  :config
+  (setq project-switch-commands (assq-delete-all 'project-vc-dir project-switch-commands))
+  (add-to-list 'project-switch-commands '(magit-project-status "Magit" ?v))
+  (add-to-list 'project-switch-commands '(eat-project "Eat" ?E))
+  (add-to-list 'project-switch-commands '(consult-ripgrep-project "Ripgrep" ?r)))
 
 ;; ibuffer
 (use-package ibuffer
@@ -336,7 +342,18 @@ targets."
   (if *is-android* (god-mode-all))
   :config
   (unless *is-android* (which-key-enable-god-mode-support))
-  (setq god-mode-enable-function-key-translation nil)
+  (setq god-mode-enable-function-key-translation nil
+	god-exempt-major-modes
+	(delete-dups (append '(diff-mode exwm-mode) god-exempt-major-modes))
+	god-mode-lighter-string "THANK-GOD-MODE")
+
+  (defun my-sync-god-mode-lighter-face (&rest _)
+    (set-face-attribute 'god-mode-lighter nil
+			:inherit 'isearch-fail
+			:background (face-attribute 'mode-line :background nil t)
+			:weight 'bold))
+  (my-sync-god-mode-lighter-face)
+  (add-hook 'enable-theme-functions #'my-sync-god-mode-lighter-face)
 
   (defun my-sync-line-numbers-with-god-mode ()
     (let ((desired (if (bound-and-true-p god-local-mode)
@@ -344,10 +361,10 @@ targets."
                      t)))
       (unless (or (eq display-line-numbers desired) (bound-and-true-p olivetti-mode))
 	(setq display-line-numbers desired))))
-  (add-hook 'post-command-hook #'my-sync-line-numbers-with-god-mode)
+  (add-hook 'post-command-hook #'my-sync-line-numbers-with-god-mode))
 
-  (setq god-exempt-major-modes
-	(delete-dups (append '(diff-mode exwm-mode) god-exempt-major-modes))))
+;; keycast，按键广播
+(use-package keycast)
 
 ;; perspective，工作区管理
 (use-package perspective
@@ -368,7 +385,15 @@ targets."
   (setq persp-initial-frame-name "main"))
 
 ;; magit
-(use-package magit)
+(use-package magit
+  :config
+  (setq  magit-bind-magit-project-status nil))
+
+;; ediff
+(use-package ediff
+  :config
+  (setq ediff-window-setup-function 'ediff-setup-windows-plain)
+  (setq ediff-split-window-function 'split-window-horizontally))
 
 (provide 'init-package)