Document kernel profiles download and delete commands

Author: dprevoznik

reference/cli/browsers.mdx

@@ -501,3 +501,18 @@ Create a new browser profile.
 |------|-------------|
 | `--name <name>` | Optional unique name for the profile. |
 | `--output json`, `-o json` | Output raw JSON object. |
+
+### `kernel profiles download <id-or-name>`
+Download a profile as a ZIP archive.
+
+| Flag | Description |
+|------|-------------|
+| `--to <path>` | Output zip file path. Required. |
+| `--pretty` | Pretty-print JSON to file. |
+
+### `kernel profiles delete <id-or-name>`
+Delete a profile by ID or name.
+
+| Flag | Description |
+|------|-------------|
+| `--yes`, `-y` | Skip confirmation prompt. |