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/opencode/Dockerfile

@@ -0,0 +1,18 @@
+FROM alpine AS base
+
+# Disable the runtime transpiler cache by default inside Docker containers.
+# On ephemeral containers, the cache is not useful
+ARG BUN_RUNTIME_TRANSPILER_CACHE_PATH=0
+ENV BUN_RUNTIME_TRANSPILER_CACHE_PATH=${BUN_RUNTIME_TRANSPILER_CACHE_PATH}
+RUN apk add libgcc libstdc++ ripgrep
+
+FROM base AS build-amd64
+COPY dist/opencode-linux-x64-baseline-musl/bin/opencode /usr/local/bin/opencode
+
+FROM base AS build-arm64
+COPY dist/opencode-linux-arm64-musl/bin/opencode /usr/local/bin/opencode
+
+ARG TARGETARCH
+FROM build-${TARGETARCH}
+RUN opencode --version
+ENTRYPOINT ["opencode"]