ci: add GitHub Actions validation and benchmarks

Author: benvinegar

.github/workflows/benchmarks.yml

@@ -0,0 +1,59 @@
+name: Benchmarks
+
+on:
+  pull_request:
+  workflow_dispatch:
+
+concurrency:
+  group: benchmarks-${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  benchmark:
+    name: Benchmark scripts
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+
+      - name: Set up Bun
+        uses: oven-sh/setup-bun@v2
+        with:
+          bun-version: 1.3.10
+
+      - name: Install dependencies
+        run: bun install --frozen-lockfile
+
+      - name: Run bootstrap benchmark
+        run: |
+          mkdir -p benchmark-results
+          bun run bench:bootstrap-load | tee benchmark-results/bootstrap-load.txt
+
+      - name: Run highlight prefetch benchmark
+        run: |
+          bun run bench:highlight-prefetch | tee benchmark-results/highlight-prefetch.txt
+
+      - name: Run large stream benchmark
+        run: |
+          bun run bench:large-stream | tee benchmark-results/large-stream.txt
+
+      - name: Publish benchmark summary
+        run: |
+          {
+            echo '## Benchmark results'
+            echo
+            for file in benchmark-results/*.txt; do
+              echo "### $(basename "$file")"
+              echo '```text'
+              cat "$file"
+              echo '```'
+              echo
+            done
+          } >> "$GITHUB_STEP_SUMMARY"
+
+      - name: Upload benchmark artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: benchmark-results
+          path: benchmark-results/*.txt
+          if-no-files-found: error

.github/workflows/ci.yml

@@ -0,0 +1,81 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+
+concurrency:
+  group: ci-${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  validate:
+    name: Typecheck + tests
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+
+      - name: Set up Bun
+        uses: oven-sh/setup-bun@v2
+        with:
+          bun-version: 1.3.10
+
+      - name: Install dependencies
+        run: bun install --frozen-lockfile
+
+      - name: Typecheck
+        run: bun run typecheck
+
+      - name: Test suite
+        run: bun test
+
+  tty-smoke:
+    name: Terminal smoke tests
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+
+      - name: Set up Bun
+        uses: oven-sh/setup-bun@v2
+        with:
+          bun-version: 1.3.10
+
+      - name: Install dependencies
+        run: bun install --frozen-lockfile
+
+      - name: Verify terminal tools
+        run: |
+          command -v script
+          command -v timeout
+
+      - name: TTY smoke tests
+        run: bun run test:tty-smoke
+
+  build-bin:
+    name: Build compiled binary
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+
+      - name: Set up Bun
+        uses: oven-sh/setup-bun@v2
+        with:
+          bun-version: 1.3.10
+
+      - name: Install dependencies
+        run: bun install --frozen-lockfile
+
+      - name: Build binary
+        run: bun run build:bin
+
+      - name: Upload binary artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: hunk-linux-binary
+          path: dist/hunk
+          if-no-files-found: error