chore: Create ci workflow

Author: koki-develop

.github/actions/setup/action.yml

@@ -0,0 +1,14 @@
+name: 'Setup Bun Environment'
+description: 'Setup Bun runtime and install dependencies'
+runs:
+  using: composite
+  steps:
+    - uses: jdx/mise-action@5cb1df66ed5e1fb3c670ea0b62fd17a76979826a # v2.3.1
+    - uses: actions/cache@5a3ec84eff668545956fd18022155c47e93e2684 # v4.2.3
+      with:
+        path: ~/.bun/install/cache
+        key: ${{ runner.os }}-bun-${{ hashFiles('**/bun.lock') }}
+        restore-keys: |
+          ${{ runner.os }}-bun-
+    - run: bun install --frozen-lockfile
+      shell: bash

.github/workflows/ci.yml

@@ -0,0 +1,64 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+permissions: {}
+
+jobs:
+  lint:
+    timeout-minutes: 10
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        with:
+          persist-credentials: false
+      - uses: ./.github/actions/setup
+      - run: bun run lint
+
+  build:
+    timeout-minutes: 10
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        with:
+          persist-credentials: false
+      - uses: ./.github/actions/setup
+      - run: bun run build
+
+  typecheck:
+    timeout-minutes: 10
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        with:
+          persist-credentials: false
+      - uses: ./.github/actions/setup
+      - run: bun run typecheck
+
+  test:
+    timeout-minutes: 10
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        with:
+          persist-credentials: false
+      - uses: ./.github/actions/setup
+      - run: bun test