docs: document dynamic plugin authoring

.github/workflows/ci_python.yml

@@ -268,6 +268,24 @@ jobs:
           path: ${{ env.NEMO_RELAY_CI_WORKSPACE_TMP }}/wheels/*.whl
           if-no-files-found: error
 
+      - name: Package Python plugin SDK wheel
+        if: ${{ matrix.platform == 'linux-amd64' }}
+        working-directory: ${{ env.NEMO_RELAY_CI_WORKSPACE }}
+        run: |
+          set -e
+          just \
+            --set output_dir "${{ env.NEMO_RELAY_CI_WORKSPACE_TMP }}" \
+            --set ref_name "${NEMO_RELAY_PACKAGE_VERSION}" \
+            package-python-plugin
+
+      - name: Upload Python plugin SDK wheel artifact
+        if: ${{ matrix.platform == 'linux-amd64' }}
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a  # v7.0.1
+        with:
+          name: python-plugin-wheel
+          path: ${{ env.NEMO_RELAY_CI_WORKSPACE_TMP }}/plugin-wheels/*.whl
+          if-no-files-found: error
+
       - name: Prune uv cache
         working-directory: ${{ env.NEMO_RELAY_CI_WORKSPACE }}
         run: uv cache prune --ci

.pre-commit-config.yaml

@@ -52,7 +52,7 @@ repos:
     hooks:
       - id: ty
         name: ty (type check)
-        entry: uv run ty check . --exclude docs/** --exclude fern/** --exclude third_party/** --exclude ./examples/** --exclude .cache/** --exclude .claude/**
+        entry: uv run ty check . --extra-search-path python/plugin/src --exclude docs/** --exclude fern/** --exclude third_party/** --exclude ./examples/** --exclude .cache/** --exclude .claude/** --exclude python/plugin/src/nemo_relay_plugin/_proto/**
         language: system
         types: [python]
         pass_filenames: false