diff --git a/.github/actions/setup-dev/action.yml b/.github/actions/setup-dev/action.yml
index 817ad94..88ea594 100644
--- a/.github/actions/setup-dev/action.yml
+++ b/.github/actions/setup-dev/action.yml
@@ -34,5 +34,10 @@ runs:
       run: npm ci || { echo "❌ npm install failed" && npm install }
       shell: bash
 
-    - name: Setup Tree-sitter Environment
-      uses: ./.github/actions/setup-treesitter
+    - name: Install Tree-sitter CLI
+      run: npm install -g tree-sitter-cli
+      shell: bash
+
+    - name: Generate Grammar
+      run: npm run generate
+      shell: bash
diff --git a/.github/actions/setup-treesitter/action.yml b/.github/actions/setup-treesitter/action.yml
deleted file mode 100644
index 969f521..0000000
--- a/.github/actions/setup-treesitter/action.yml
+++ /dev/null
@@ -1,14 +0,0 @@
----
-name: "Setup Tree-sitter Environment"
-description: "Installs Tree-sitter CLI and generates grammar"
-
-runs:
-  using: "composite"
-  steps:
-    - name: Install Tree-sitter CLI
-      run: npm install -g tree-sitter-cli
-      shell: bash
-
-    - name: Generate Grammar
-      run: npm run generate
-      shell: bash
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index bb5675a..49f442e 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -18,6 +18,17 @@ concurrency:
   cancel-in-progress: false
 
 jobs:
+  checkout:
+    name: Checkout Repository
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        with:
+          fetch-depth: 0
+
   validate:
     name: 🔍 Validate Release
     runs-on: ubuntu-latest
@@ -64,7 +75,7 @@ jobs:
 
     steps:
       - name: 📋 Check CI Workflow Status
-        uses: actions/github-script@e1ec48de9e3eaf9b93b1c5f88eaf97ae19d7b7bb # v7.0.5
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8
         with:
           script: |
             const { data: workflows } = await github.rest.actions.listWorkflowRuns({
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 5f11ff3..b85fd90 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -16,6 +16,17 @@ concurrency:
 permissions: read-all
 
 jobs:
+  checkout:
+    name: Checkout Repository
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        with:
+          fetch-depth: 0
+
   test:
     name: 🧪 Test Suite
     runs-on: ubuntu-latest