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-kbd.el

@@ -29,7 +29,7 @@
   "o" 'gptel
   "m" 'gptel-menu
   "s" 'gptel-send
-  "a" 'gptel-agent
+  "a" 'gptel-agent-project
   "t" 'gptel-tools)
 
 (general-def gptel-mode-map
@@ -45,14 +45,15 @@
   "t" 'consult-theme
   "c" 'my-color-picker
   "f" 'describe-face
-  "r" 'rainbow-delimiters-mode)
+  "r" 'rainbow-delimiters-mode
+  "k" 'keycast-header-line-mode)
 
 ;; f for find and consult command
 (general-def
   :prefix "C-c f"
   "r" 'consult-recent-file
   "f" 'consult-fd
-  "g" 'consult-ripgrep
+  "g" 'consult-ripgrep-project
   "e" 'consult-flycheck
   "l" 'consult-locate
   "h" 'consult-fd-home
@@ -60,7 +61,8 @@
   "d" 'my-open-current-directory
   "j" 'consult-jinx
   "k" 'consult-kmacro
-  "o" 'consult-outline)
+  "o" 'consult-outline
+  "i" 'consult-info)
 
 ;; t for modes toggle
 (general-def
@@ -137,6 +139,15 @@
   "C-s" 'consult-line
   "C-r" 'consult-line)
 
+(general-def (dired-mode-map dirvish-mode-map)
+  :prefix "C-c d"
+  "d" 'dirvish-setup-menu
+  "r" 'dirvish-renaming-menu
+  "v" 'dirvish-vc-menu
+  "m" 'dirvish-mark-menu
+  "i" 'dirvish-file-info-menu
+  "y" 'dirvish-yank-menu)
+
 ;; magit
 (general-def magit-mode-map
   "C-<tab>" 'my-magit-toggle-parent-section
@@ -182,7 +193,8 @@
   "M-}" 'org-next-visible-heading
   "C-," 'duplicate-and-move-to-next-line
   "C-c o l" 'denote-link
-  "C-a" 'org-beginning-of-line)
+  "C-c o L" 'denote-org-link-to-heading
+  "C-c o b" 'denote-backlinks)
 
 ;; hs-hide-mode
 (general-def hs-minor-mode-map
@@ -217,6 +229,10 @@
   "C-c p d" 'persp-kill
   "C-x M-b" 'persp-ibuffer)
 
+;; visual-line
+(general-def visual-line-mode-map
+  "C-k" 'kill-visual-line)
+
 ;; global map with C-c prefix
 (general-def
   :prefix "C-c"
@@ -229,7 +245,7 @@
   "a" 'org-agenda
   "l" 'org-store-link
   "k" 'comment-line
-  ;; "v" 'vterm
+  "K" 'comment-kill
   "E" 'eshell
   "C-t" 'trashed
   "C-s" 'consult-focus-lines)
@@ -261,13 +277,15 @@
   "C-," 'crux-duplicate-current-line-or-region
   "C-k" 'crux-smart-kill-line
   "C-<backspace>" 'crux-kill-line-backwards
-  "C-a" 'crux-move-beginning-of-line
   "M-y" 'consult-yank-from-kill-ring
   "C-c <backspace>" 'hungry-delete-backward
   "C-c C-<backspace>" 'hungry-delete-forward
   "M-P" 'drag-stuff-up
   "M-N" 'drag-stuff-down
+  "M-F" 'drag-stuff-right
+  "M-B" 'drag-stuff-left
   "C-M-SPC" 'er/mark-symbol
+  "M-@" 'er/mark-word
 
   ;; undo
   "C-/" 'undo-fu-only-undo
@@ -295,6 +313,8 @@
 
   ;; other
   "C-x r b" 'consult-bookmark
+  "C-x p b" 'consult-project-buffer
+  "C-x p E" 'eat-project
   "C-;" 'embark-act)
 
 (when *is-android*