fix: 修正 logo 中 N 和 G 字母造型

N 添加对角线笔画（█▄ █），G 添加内横杠（█ ▀█），
避免与 O 字母造型雷同。同步更新 ui.ts 中的硬编码 wordmark。

packages/console/mail/package.json

@@ -0,0 +1,22 @@
+{
+  "name": "@opencode-ai/console-mail",
+  "version": "1.17.4",
+  "dependencies": {
+    "@jsx-email/all": "2.2.3",
+    "@jsx-email/cli": "1.4.3",
+    "@tsconfig/bun": "1.0.9",
+    "@types/react": "18.0.25",
+    "react": "18.2.0",
+    "solid-js": "catalog:"
+  },
+  "exports": {
+    "./*": "./emails/templates/*"
+  },
+  "$schema": "https://json.schemastore.org/package.json",
+  "private": true,
+  "scripts": {
+    "dev": "email preview emails/templates"
+  },
+  "type": "module",
+  "license": "MIT"
+}