From cd762b755511bb9b6e150883d6a3ca32ac486596 Mon Sep 17 00:00:00 2001
From: Eva <eva@100yen.org>
Date: Fri, 3 Apr 2026 00:21:18 +0700
Subject: [PATCH] chore: add CI workflow and Dependabot config (#1827, #1828)

---
 .github/dependabot.yml   | 16 ++++++++++++++++
 .github/workflows/ci.yml | 32 ++++++++++++++++++++++++++++++++
 2 files changed, 48 insertions(+)
 create mode 100644 .github/dependabot.yml
 create mode 100644 .github/workflows/ci.yml

diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..a65b436
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,16 @@
+version: 2
+updates:
+  - package-ecosystem: "npm"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 5
+    labels:
+      - "dependencies"
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 5
+    labels:
+      - "dependencies"
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..25c41c5
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,32 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    name: Build & Typecheck
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: "20"
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Typecheck
+        run: npx tsc --noEmit
+
+      - name: Build
+        run: npm run build