chore: import upstream snapshot with attribution

.github/workflows/documentation.yml

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+name: Build documentation
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - main
+
+jobs:
+  build:
+    uses: huggingface/doc-builder/.github/workflows/build_main_documentation.yml@90b4ee2c10b81b5c1a6367c4e6fc9e2fb510a7e3  # main
+    with:
+      commit_sha: ${{ github.sha }}
+      package: transformers.js
+      path_to_docs: transformers.js/packages/transformers/docs/source
+      pre_command: cd transformers.js && corepack enable && ONNXRUNTIME_NODE_INSTALL=skip pnpm install --frozen-lockfile && pnpm --filter @huggingface/transformers docs-api
+      additional_args: --not_python_module
+    secrets:
+      hf_token: ${{ secrets.HF_DOC_BUILD_PUSH }}

.github/workflows/pr-documentation.yml

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+name: Build PR Documentation
+
+on:
+  pull_request:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    uses: huggingface/doc-builder/.github/workflows/build_pr_documentation.yml@90b4ee2c10b81b5c1a6367c4e6fc9e2fb510a7e3  # main
+    with:
+      commit_sha: ${{ github.sha }}
+      pr_number: ${{ github.event.number }}
+      package: transformers.js
+      path_to_docs: transformers.js/packages/transformers/docs/source
+      pre_command: cd transformers.js && corepack enable && ONNXRUNTIME_NODE_INSTALL=skip pnpm install --frozen-lockfile && pnpm --filter @huggingface/transformers docs-api
+      additional_args: --not_python_module

.github/workflows/publish.yml

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+name: Publish Package to npmjs
+
+on:
+  release:
+    types: [published]
+
+env:
+  ONNXRUNTIME_NODE_INSTALL: skip
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
+      - name: Install pnpm
+        uses: pnpm/action-setup@b906affcce14559ad1aafd4ab0e942779e9f58b1  # v4
+      # Setup .npmrc file to publish to npm
+      - uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f  # v6
+        with:
+          node-version: "24.10.0"
+          registry-url: "https://registry.npmjs.org"
+          cache: "pnpm"
+      - run: pnpm install --frozen-lockfile
+      - run: pnpm build
+      - name: Publish to npm
+        run: pnpm --filter @huggingface/transformers publish --access public --no-git-checks
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}

.github/workflows/tests.yml

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+name: Unit tests
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+    types:
+      - opened
+      - reopened
+      - synchronize
+      - ready_for_review
+
+env:
+  TESTING_REMOTELY: true
+  ONNXRUNTIME_NODE_INSTALL: skip
+
+jobs:
+  build:
+    if: github.event.pull_request.draft == false
+    runs-on:
+      group: aws-general-8-plus
+    strategy:
+      matrix:
+        node-version: [18, 20, 22]
+
+    steps:
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
+      - name: Install pnpm
+        uses: pnpm/action-setup@b906affcce14559ad1aafd4ab0e942779e9f58b1  # v4
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f  # v6
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: "pnpm"
+      - run: pnpm install --frozen-lockfile
+      - run: pnpm build
+
+      # Setup the testing environment
+      - run: git lfs install && GIT_CLONE_PROTECTION_ACTIVE=false git clone https://huggingface.co/hf-internal-testing/tiny-random-T5ForConditionalGeneration ./packages/transformers/models/hf-internal-testing/tiny-random-T5ForConditionalGeneration
+
+      # Actually run tests
+      - run: pnpm test

.github/workflows/upload-pr-documentation.yml

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+name: Upload PR Documentation
+
+on:
+  workflow_run:
+    workflows: ["Build PR Documentation"]
+    types:
+      - completed
+
+jobs:
+  build:
+    uses: huggingface/doc-builder/.github/workflows/upload_pr_documentation.yml@9ad2de8582b56c017cb530c1165116d40433f1c6  # main
+    with:
+      package_name: transformers.js
+    secrets:
+      hf_token: ${{ secrets.HF_DOC_BUILD_PUSH }}
+      comment_bot_token: ${{ secrets.COMMENT_BOT_TOKEN }}