feat: add comprehensive testing infrastructure and code quality impro…

.github/dependabot.yml

@@ -0,0 +1,27 @@
+version: 2
+
+updates:
+  # Enable version updates for npm
+  - package-ecosystem: "npm"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "monday"
+    open-pull-requests-limit: 5
+    labels:
+      - "dependencies"
+      - "automated"
+    commit-message:
+      prefix: "chore(deps)"
+      include: "scope"
+
+  # Enable version updates for GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "monthly"
+    labels:
+      - "github-actions"
+      - "dependencies"
+    commit-message:
+      prefix: "chore(ci)"

.github/workflows/ci.yml

@@ -0,0 +1,67 @@
+name: CI
+
+on:
+  push:
+    branches: [main, develop, feat/*]
+  pull_request:
+    branches: [main, develop]
+
+jobs:
+  lint-and-test:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [18.x, 20.x, 22.x]
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: "npm"
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run linter
+        run: npm run lint
+
+      - name: Run formatter check
+        run: npx prettier --check ./lib/**/*.ts
+
+      - name: Run tests
+        run: npm run test:run
+
+      - name: Build project
+        run: npm run build
+
+  coverage:
+    runs-on: ubuntu-latest
+    needs: lint-and-test
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20.x
+          cache: "npm"
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run tests with coverage
+        run: npm run test:coverage
+
+      - name: Upload coverage reports
+        uses: codecov/codecov-action@v4
+        if: github.event_name == 'push'
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          fail_ci_if_error: false

.github/workflows/release.yml

@@ -0,0 +1,38 @@
+name: Release
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      id-token: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20.x
+          registry-url: "https://registry.npmjs.org"
+          cache: "npm"
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run tests
+        run: npm run test:run
+
+      - name: Build project
+        run: npm run build
+
+      - name: Publish to npm
+        run: npm publish --provenance
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}

.gitignore

@@ -24,4 +24,7 @@ dist-ssr
 .env
 
 bun.lockb
-bun.lock
+bun.lock
+# Test coverage
+coverage/
+.nyc_output/

.husky/commit-msg

@@ -0,0 +1 @@
+npx --no -- commitlint --edit $1

.husky/pre-commit

@@ -0,0 +1 @@
+npx lint-staged