feat: GitHub Actions——检测与文档部署落地 GitHub 主仓库

Gitea runner 六轮实跑无法稳定（checkout 间歇失败、镜像工具链不明、
secrets 未生效），转 GitHub 为主仓库：.github/workflows 与 .gitea/
并存，检测流水在 GitHub 上补齐 pytest。部署复用 scripts/deploy_docs.sh
（wrangler Direct Upload，secrets 在 GitHub 仓库配置）。

.github/workflows/ci.yml

@@ -0,0 +1,33 @@
+name: 代码检测
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  lint:
+    name: ruff + pyright + pytest
+    runs-on: ubuntu-latest
+    steps:
+      - name: 检出代码
+        uses: actions/checkout@v4
+
+      - name: 安装 uv 与 Python 3.13
+        uses: astral-sh/setup-uv@v5
+        with:
+          python-version: "3.13"
+          enable-cache: true
+
+      - name: 同步依赖（含 dev 组）
+        run: uv sync
+
+      - name: ruff 静态检查
+        run: uv run ruff check src tests examples
+
+      - name: pyright 类型检查
+        run: uv run pyright
+
+      - name: pytest 单元测试
+        run: uv run pytest