feat(cli): add Sublime Text and Emacs Client editors, improve error messages and documentation (#21090)

Co-authored-by: Ananth Kini <ananthkini1@gmail.com>

docs/reference/configuration.md

@@ -105,9 +105,19 @@ their corresponding top-level category object in your `settings.json` file.
 
 #### `general`
 
-- **`general.preferredEditor`** (string):
-  - **Description:** The preferred editor to open files in.
+- **`general.preferredEditor`** (enum):
+  - **Description:** The preferred editor to open files in. Must be one of the
+    built-in supported identifiers. Use /editor in the CLI to pick
+    interactively, or leave unset to use $VISUAL/$EDITOR.
   - **Default:** `undefined`
+  - **Values:** `"vscode"`, `"vscodium"`, `"windsurf"`, `"cursor"`, `"zed"`,
+    `"antigravity"`, `"sublimetext"`, `"lapce"`, `"nova"`, `"bbedit"`, `"vim"`,
+    `"neovim"`, `"emacs"`, `"hx"`, `"emacsclient"`, `"micro"`
+
+- **`general.openEditorInNewWindow`** (boolean):
+  - **Description:** Open VS Code-family editors in a new window when editing
+    files.
+  - **Default:** `false`
 
 - **`general.vimMode`** (boolean):
   - **Description:** Enable Vim keybindings