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/stats/README.md

@@ -0,0 +1,16 @@
+# OpenCode Stats
+
+Stats is a separate site from the console. Runtime, database, and domain services live in `core`; the SolidStart website lives in `app`; deployable Lambda entrypoints live in `function`.
+
+## Packages
+
+- `app`: SolidStart frontend/site.
+- `core`: Effect services, app config, Drizzle schema/migrations, and stats domains.
+- `function`: Lambda handlers that call into `core` services.
+
+## Commands
+
+- `bun run dev:stats` from the repo root starts the SolidStart app.
+- `bun run --cwd packages/stats/app typecheck` typechecks the site.
+- `bun run --cwd packages/stats/core typecheck` typechecks the Effect/database package.
+- `bun run --cwd packages/stats/function typecheck` typechecks Lambda entrypoints.