feat: add copilot-setup-steps.yml workflow for agent environment setup

Co-authored-by: njzjz <[email protected]>

Author: Copilot

.github/workflows/copilot-setup-steps.yml

@@ -0,0 +1,50 @@
+---
+name: Copilot Setup Steps
+
+on:
+  workflow_dispatch: {}
+
+jobs:
+  copilot-setup-steps:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v5
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+
+      - name: Set up uv
+        uses: astral-sh/setup-uv@v6
+        with:
+          enable-cache: true
+          cache-dependency-glob: |
+            **/requirements*.txt
+            **/pyproject.toml
+
+      - name: Create virtual environment and install dependencies
+        run: |
+          uv venv .venv
+          source .venv/bin/activate
+          uv pip install .[test] coverage
+
+      - name: Install development tools
+        run: |
+          uv tool install pre-commit
+          uv tool install pyright
+
+      - name: Set up pre-commit hooks
+        run: |
+          source .venv/bin/activate
+          pre-commit install --install-hooks
+
+      - name: Verify installation
+        run: |
+          source .venv/bin/activate
+          python --version
+          uv --version
+          pre-commit --version
+          pyright --version
+          python -c "import dpdispatcher; print('DPDispatcher installed successfully')"