Add metalsmith build

.editorconfig

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+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+indent_style = space
+indent_size = 2

.eslintrc.json

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+{
+  "root": true,
+  "plugins": ["simple-import-sort", "unused-imports"],
+  "parserOptions": {
+    "sourceType": "module",
+    "ecmaVersion": "latest"
+  },
+  "rules": {
+    "no-console": "error",
+    "unused-imports/no-unused-imports": "error",
+    "unused-imports/no-unused-vars": [
+      "error",
+      {
+        "vars": "all",
+        "varsIgnorePattern": "^_",
+        "args": "after-used",
+        "argsIgnorePattern": "^_",
+        "ignoreRestSiblings": true
+      }
+    ],
+    "import/extensions": ["error", "ignorePackages"],
+    "import/no-duplicates": ["error", { "prefer-inline": true }],
+    "import/no-relative-parent-imports": "error",
+    "simple-import-sort/imports": [
+      "error",
+      {
+        "groups": [
+          ["^\\u0000"],
+          ["^node:"],
+          ["^@?\\w"],
+          ["@seamapi/makenew-tsmodule"],
+          ["^lib/"],
+          ["^"],
+          ["^\\."]
+        ]
+      }
+    ],
+    "simple-import-sort/exports": "error"
+  },
+  "overrides": [
+    {
+      "files": ["*.js", "*.mjs", "*.cjs"],
+      "extends": ["standard", "prettier"]
+    },
+    {
+      "files": ["*.ts", "*.tsx"],
+      "extends": ["standard-with-typescript", "prettier"],
+      "parserOptions": {
+        "project": "./tsconfig.json"
+      },
+      "rules": {
+        "@typescript-eslint/no-import-type-side-effects": "error",
+        "@typescript-eslint/consistent-type-imports": [
+          "error",
+          {
+            "fixStyle": "inline-type-imports"
+          }
+        ],
+        "@typescript-eslint/no-unused-vars": "off"
+      }
+    }
+  ]
+}

.github/actions/setup/action.yml

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+---
+name: Setup
+description: Setup Node.js and install dependencies.
+
+inputs:
+  node_version:
+    description: The Node.js version.
+    required: false
+    default: '20'
+  registry_url:
+    description: The Node.js package registry URL.
+    required: false
+    default: https://registry.npmjs.org
+  install_dependencies:
+    description: Install dependencies.
+    required: false
+    default: 'true'
+
+runs:
+  using: composite
+  steps:
+    - name: Setup Node.js
+      uses: actions/setup-node@v4
+      if: inputs.install_dependencies == 'true'
+      with:
+        cache: npm
+        node-version: ${{ inputs.node_version }}
+        registry-url: ${{ inputs.registry_url }}
+    - name: Setup Node.js without cache
+      uses: actions/setup-node@v4
+      if: inputs.install_dependencies == 'false'
+      with:
+        node-version: ${{ inputs.node_version }}
+        registry-url: ${{ inputs.registry_url }}
+    - name: Install dependencies
+      if: inputs.install_dependencies == 'true'
+      shell: bash
+      run: npm ci

.github/workflows/check.yml

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+---
+name: Check
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - '**'
+
+jobs:
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup
+        uses: ./.github/actions/setup
+      - name: Lint
+        run: npm run lint
+  typecheck:
+    name: Typecheck
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup
+        uses: ./.github/actions/setup
+      - name: Typecheck
+        run: npm run typecheck

.github/workflows/format.yml

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+---
+name: Format
+
+on:
+  push:
+    branches-ignore:
+      - main
+  workflow_dispatch: {}
+
+jobs:
+  commit:
+    name: Format code
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.head_ref }}
+          token: ${{ secrets.GH_TOKEN }}
+      - name: Import GPG key
+        uses: crazy-max/ghaction-import-gpg@v6
+        with:
+          git_user_signingkey: true
+          git_commit_gpgsign: true
+          git_committer_name: ${{ secrets.GIT_USER_NAME }}
+          git_committer_email: ${{ secrets.GIT_USER_EMAIL }}
+          gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}
+          passphrase: ${{ secrets.GPG_PASSPHRASE }}
+      - name: Setup
+        uses: ./.github/actions/setup
+      - name: Format
+        run: npm run format
+      - name: Commit
+        uses: stefanzweifel/git-auto-commit-action@v5
+        if: always()
+        with:
+          commit_message: 'ci: Format code'
+          commit_user_name: ${{ secrets.GIT_USER_NAME }}
+          commit_user_email: ${{ secrets.GIT_USER_EMAIL }}
+          commit_author: ${{ secrets.GIT_USER_NAME }} <${{ secrets.GIT_USER_EMAIL }}>

.github/workflows/generate.yml

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+---
+name: Generate
+
+on:
+  push:
+    branches-ignore:
+      - main
+  workflow_dispatch: {}
+
+jobs:
+  commit:
+    name: Generate code
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.head_ref }}
+          token: ${{ secrets.GH_TOKEN }}
+      - name: Import GPG key
+        uses: crazy-max/ghaction-import-gpg@v6
+        with:
+          git_user_signingkey: true
+          git_commit_gpgsign: true
+          git_committer_name: ${{ secrets.GIT_USER_NAME }}
+          git_committer_email: ${{ secrets.GIT_USER_EMAIL }}
+          gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}
+          passphrase: ${{ secrets.GPG_PASSPHRASE }}
+      - name: Setup
+        uses: ./.github/actions/setup
+        with:
+          install_dependencies: 'false'
+      - name: Normalize package-lock.json
+        run: npm install
+      - name: Generate docs
+        run: npm run build
+      - name: Commit
+        uses: stefanzweifel/git-auto-commit-action@v5
+        with:
+          commit_message: 'ci: Generate docs'
+          commit_user_name: ${{ secrets.GIT_USER_NAME }}
+          commit_user_email: ${{ secrets.GIT_USER_EMAIL }}
+          commit_author: ${{ secrets.GIT_USER_NAME }} <${{ secrets.GIT_USER_EMAIL }}>