Add copilot setup steps to customize copilot agent environment

Author: messense

.github/copilot-instructions.md

@@ -2,11 +2,12 @@
 
 ### Required Before Each Commit
 
-- Run `cargo clippy` to ensure the code builds successfully and address any warnings.
+- Run `cargo clippy --tests --all-features -- -D warnings` to ensure the code builds successfully and address any warnings.
 - Run `cargo fmt` to ensure the code is formatted correctly.
 - Run `cargo test` to ensure all tests pass.
+- Run `pre-commit` to ensure code quality and consistency.
 
 ## Key Guidelines
 
 - Follow Rust best practices and idiomatic patterns.
-- Maintain existing code structure and organization unless it's necessary to refactor.
+- Maintain existing code structure and organization by default unless instructed to refactor or refactoring can improve maintainability or performance.

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

@@ -0,0 +1,36 @@
+name: "Copilot Setup Steps"
+
+# Automatically run the setup steps when they are changed to allow for easy validation, and
+# allow manual testing through the repository's "Actions" tab
+on:
+  workflow_dispatch:
+  push:
+    paths:
+      - .github/workflows/copilot-setup-steps.yml
+  pull_request:
+    paths:
+      - .github/workflows/copilot-setup-steps.yml
+
+jobs:
+  # The job MUST be called `copilot-setup-steps` or it will not be picked up by Copilot.
+  copilot-setup-steps:
+    runs-on: ubuntu-latest
+
+    # Set the permissions to the lowest permissions possible needed for your steps.
+    # Copilot will be given its own token for its operations.
+    permissions:
+      # If you want to clone the repository as part of your setup steps, for example to install dependencies, you'll need the `contents: read` permission. If you don't clone the repository in your setup steps, Copilot will do this for you automatically after the steps complete.
+      contents: read
+
+    # You can define any steps you want, and they will run before the agent starts.
+    # If you do not check out your code, Copilot will do this for you.
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      - uses: astral-sh/setup-uv@v6
+      - run: uv tool install pre-commit
+      - uses: actions/cache@v4
+        with:
+          path: ~/.cache/pre-commit
+          key: pre-commit-3|${{ env.pythonLocation }}|${{ hashFiles('.pre-commit-config.yaml') }}
+      - run: pre-commit install-hooks