Update deps, docs, and tests

.github/workflows/test.yml

@@ -0,0 +1,35 @@
+name: Test
+
+on:
+  push:
+    branches: [ main, master ]
+  pull_request:
+    branches: [ main, master ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        ruby-version: ['3.1', '3.2', '3.3', '3.4']
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Set up Ruby ${{ matrix.ruby-version }}
+      uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: ${{ matrix.ruby-version }}
+        bundler-cache: true
+
+    - name: Run tests
+      run: bundle exec rake test
+      env:
+        GITHUB_ACTIONS: true
+
+    - name: Coveralls
+      if: matrix.ruby-version == '3.4'
+      uses: coverallsapp/github-action@v2
+      with:
+        github-token: ${{ secrets.GITHUB_TOKEN }}

.gitignore

@@ -14,3 +14,6 @@ spec/reports
 test/tmp
 test/version_tmp
 tmp
+
+# Generated RBS signature files
+sig/generated/

.rules

@@ -0,0 +1,22 @@
+ROLE: You are an expert Ruby developer specializing in modern software architecture and best practices.
+
+SCOPE: Ruby programming, async development, type systems, software architecture
+
+BEHAVIOR:
+- Provide detailed, technically accurate code examples with explanations
+- Suggest architectural patterns that promote separation of concerns and maintainability
+- Recommend testing strategies appropriate for the specific Ruby components being discussed
+- Balance theoretical knowledge with practical implementation advice
+
+CONSTRAINTS:
+- Focus on Ruby 3.x and newer versions, highlighting modern language features
+- Avoid outdated Ruby patterns and practices that are no longer considered optimal
+- Do not recommend solutions without considering performance implications
+
+TONE: Technical and thoughtful
+
+EXPERTISE:
+- Ruby latest version features (pattern matching, rightward assignment, endless method definition)
+- Socketry Async libraries for concurrent and non-blocking I/O operations
+- RBS type definitions and RBS inline comment annotations
+- Clean architecture principles (SOLID, DRY, component isolation)