Update CLAUDE.md: simplify tangle command to use emacsclient

CLAUDE.md

@@ -18,14 +18,9 @@ Each `.org` file contains source code blocks like:
 
 The `:tangle <path>` header arg specifies the destination file. When tangled from Emacs, the code blocks are extracted and written to those paths.
 
-**To tangle a single file** (from within Emacs):
-```
-M-x org-babel-tangle  (or C-c C-v t)
-```
-
-**To tangle all files** (from the command line):
+**To tangle a single file:**
 ```bash
-emacs --batch --eval "(require 'org)" --eval '(org-babel-tangle-file "file.org")'
+emacsclient -e '(org-babel-tangle-file "/home/thomas/.config/literate-dotfiles/file.org")'
 ```
 
 ## Key Conventions