Test librarian with new wrkflw

.github/workflows/experiment.yaml

@@ -0,0 +1,174 @@
+name: CI Next Gen
+on: [pull_request]
+
+jobs:
+  # =========================================================
+  # 1. DISCOVERY 
+  # =========================================================
+  discover:
+    runs-on: ubuntu-latest
+    outputs:
+      chunks: ${{ steps.chunking.outputs.chunks }}
+      python_versions: '["3.9", "3.10", "3.11", "3.12", "3.14"]'
+    steps:
+      - uses: actions/checkout@v4
+      - id: changes
+        uses: tj-actions/changed-files@v44
+
+      - id: chunking
+        env:
+          CHANGED_FILES: ${{ steps.changes.outputs.all_changed_files }}
+        run: |
+          python -c '
+          import os, json
+
+          packages = os.environ.get("CHANGED_FILES", "").split()
+          NUM_BUCKETS = 20
+
+          chunks = [[] for _ in range(NUM_BUCKETS)]
+          for i, pkg in enumerate(packages):
+              chunks[i % NUM_BUCKETS].append(pkg)
+
+          formatted = [" ".join(chunk) for chunk in chunks if chunk]
+
+          with open(os.environ["GITHUB_OUTPUT"], "a") as f:
+              f.write(f"chunks={json.dumps(formatted)}\n")
+          '
+
+  # =========================================================
+  # 2. UNIT TESTS 
+  # =========================================================
+  unit-tests:
+    needs: discover
+    if: ${{ needs.discover.outputs.chunks != '[]' }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      max-parallel: 50
+      matrix:
+        chunk: ${{ fromJSON(needs.discover.outputs.chunks) }}
+        python-version: ${{ fromJSON(needs.discover.outputs.python_versions) }}
+
+    name: Unit (Chunk, ${{ matrix.python-version }})
+    steps:
+      - uses: actions/checkout@v4
+      - uses: astral-sh/setup-uv@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+          enable-cache: true
+
+      - name: Run Unit Tests
+        run: |
+          export NOX_DEFAULT_VENV_BACKEND=uv
+          FAILED=0
+          for pkg in ${{ matrix.chunk }}; do
+            echo "::group::Testing $pkg"
+            cd $pkg
+            uvx --with 'nox[uv]' nox -s "unit-${{ matrix.python-version }}" || FAILED=1
+            cd $GITHUB_WORKSPACE
+            echo "::endgroup::"
+          done
+          exit $FAILED
+
+  # =========================================================
+  # 3. LINT
+  # =========================================================
+  lint:
+    needs: discover
+    if: ${{ needs.discover.outputs.chunks != '[]' }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      max-parallel: 20
+      matrix:
+        chunk: ${{ fromJSON(needs.discover.outputs.chunks) }}
+
+    name: Lint (Chunk)
+    steps:
+      - uses: actions/checkout@v4
+      - uses: astral-sh/setup-uv@v5
+        with:
+          python-version: "3.14" 
+          enable-cache: true
+
+      - name: Run Lint
+        run: |
+          export NOX_DEFAULT_VENV_BACKEND=uv
+          FAILED=0
+          for pkg in ${{ matrix.chunk }}; do
+            echo "::group::Linting $pkg"
+            cd $pkg
+            uvx --with 'nox[uv]' nox -s "lint" || FAILED=1
+            cd $GITHUB_WORKSPACE
+            echo "::endgroup::"
+          done
+          exit $FAILED
+
+  # =========================================================
+  # 4. DOCS
+  # =========================================================
+  docs:
+    needs: discover
+    if: ${{ needs.discover.outputs.chunks != '[]' }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      max-parallel: 20
+      matrix:
+        chunk: ${{ fromJSON(needs.discover.outputs.chunks) }}
+
+    name: Docs (Chunk)
+    steps:
+      - uses: actions/checkout@v4
+      - uses: astral-sh/setup-uv@v5
+        with:
+          python-version: "3.14" 
+          enable-cache: true
+
+      - name: Run Docs
+        run: |
+          export NOX_DEFAULT_VENV_BACKEND=uv
+          FAILED=0
+          for pkg in ${{ matrix.chunk }}; do
+            echo "::group::Docs for $pkg"
+            cd $pkg
+            uvx --with 'nox[uv]' nox -s "docs" || FAILED=1
+            cd $GITHUB_WORKSPACE
+            echo "::endgroup::"
+          done
+          exit $FAILED
+
+  # =========================================================
+  # 5. CORE DEPENDENCIES 
+  # =========================================================
+  core-deps:
+    needs: discover
+    if: ${{ needs.discover.outputs.chunks != '[]' }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      max-parallel: 50
+      matrix:
+        chunk: ${{ fromJSON(needs.discover.outputs.chunks) }}
+        python-version: ${{ fromJSON(needs.discover.outputs.python_versions) }}
+
+    name: Core Deps (Chunk, ${{ matrix.python-version }})
+    steps:
+      - uses: actions/checkout@v4
+      - uses: astral-sh/setup-uv@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+          enable-cache: true
+
+      - name: Run Core Deps
+        run: |
+          export NOX_DEFAULT_VENV_BACKEND=uv
+          FAILED=0
+          for pkg in ${{ matrix.chunk }}; do
+            echo "::group::Core Deps Testing $pkg"
+            cd $pkg
+            uvx --with 'nox[uv]' nox -s "core_deps_from_source" -p "${{ matrix.python-version }}" || FAILED=1
+            cd $GITHUB_WORKSPACE
+            echo "::endgroup::"
+          done
+          exit $FAILED