diff --git a/.github/dependabot.yml b/.github/dependabot.yml
deleted file mode 100644
index b32a020..0000000
--- a/.github/dependabot.yml
+++ /dev/null
@@ -1,25 +0,0 @@
-version: 2
-updates:
-  # npm 依赖
-  - package-ecosystem: "npm"
-    directory: "/"
-    schedule:
-      interval: "weekly"
-      day: "monday"
-    open-pull-requests-limit: 10
-    labels:
-      - "dependencies"
-    commit-message:
-      prefix: "deps"
-
-  # GitHub Actions
-  - package-ecosystem: "github-actions"
-    directory: "/"
-    schedule:
-      interval: "weekly"
-      day: "monday"
-    labels:
-      - "dependencies"
-      - "ci"
-    commit-message:
-      prefix: "ci"
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index aa66fd0..2982e62 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -2,10 +2,11 @@ name: CI
 
 on:
   push:
-    branches: [main]
+    branches:
+      - main
   pull_request:
-    branches: [main]
-  workflow_call:            # 允许 Release 工作流复用此 CI
+    branches:
+      - main
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
@@ -66,8 +67,8 @@ jobs:
       - name: Install dependencies
         run: npm ci
 
-      - name: Run tests with coverage
-        run: npm run test:coverage
+      - name: Run tests
+        run: npm run test
 
   build:
     name: Build (${{ matrix.browser }})
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 64a8dca..373a1f3 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -9,15 +9,69 @@ permissions:
   contents: write
 
 jobs:
-  # ── Phase 1: 复用 CI 全量检查 ────────────────────────────────
-  ci:
-    uses: ./.github/workflows/ci.yml
+  # ── Phase 1: 全量 CI 检查 ────────────────────────────────────────────
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
 
-  # ── Phase 2: 打包 & 发布 ─────────────────────────────────────
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '22'
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run ESLint
+        run: npm run lint
+
+  typecheck:
+    name: TypeScript Check
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '22'
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run TypeScript type check
+        run: npm run compile
+
+  test:
+    name: Unit Tests
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '22'
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run tests
+        run: npm run test
+
+  # ── Phase 2: 打包 & 发布 ─────────────────────────────────────────────
   release:
     name: Package & Release
     runs-on: ubuntu-latest
-    needs: [ci]
+    needs: [lint, typecheck, test]
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -47,23 +101,6 @@ jobs:
           echo "Found Chrome zip: $CHROME_ZIP"
           echo "Found Firefox zip: $FIREFOX_ZIP"
 
-      - name: Verify zip artifacts
-        run: |
-          if [ -z "$CHROME_ZIP" ] || [ ! -f "$CHROME_ZIP" ]; then
-            echo "❌ Chrome zip not found"
-            exit 1
-          fi
-          echo "✅ Chrome zip: $(ls -lh "$CHROME_ZIP" | awk '{print $5}')"
-
-          if [ -z "$FIREFOX_ZIP" ] || [ ! -f "$FIREFOX_ZIP" ]; then
-            echo "❌ Firefox zip not found"
-            exit 1
-          fi
-          echo "✅ Firefox zip: $(ls -lh "$FIREFOX_ZIP" | awk '{print $5}')"
-        env:
-          CHROME_ZIP: ${{ steps.find_zips.outputs.chrome_zip }}
-          FIREFOX_ZIP: ${{ steps.find_zips.outputs.firefox_zip }}
-
       - name: Extract version from tag
         id: version
         run: echo "version=${GITHUB_REF_NAME#v}" >> "$GITHUB_OUTPUT"
diff --git a/package.json b/package.json
index 1e29f6d..dfb9f42 100644
--- a/package.json
+++ b/package.json
@@ -20,15 +20,6 @@
     "test:coverage": "vitest run --coverage",
     "typecheck": "tsc --noEmit"
   },
-  "lint-staged": {
-    "*.{ts,tsx}": [
-      "eslint --fix",
-      "prettier --write"
-    ],
-    "*.{json,md,yml,yaml,css}": [
-      "prettier --write"
-    ]
-  },
   "dependencies": {
     "@dnd-kit/core": "^6.3.1",
     "@dnd-kit/sortable": "^10.0.0",