diff --git a/.clang-format b/.clang-format
index c314114..b03a778 100644
--- a/.clang-format
+++ b/.clang-format
@@ -8,7 +8,6 @@ AlignConsecutiveAssignments:
   AcrossEmptyLines: false
   AcrossComments:  false
   AlignCompound:   false
-  AlignFunctionDeclarations: false
   AlignFunctionPointers: false
   PadOperators:    true
 AlignConsecutiveBitFields:
@@ -16,7 +15,6 @@ AlignConsecutiveBitFields:
   AcrossEmptyLines: false
   AcrossComments:  false
   AlignCompound:   false
-  AlignFunctionDeclarations: false
   AlignFunctionPointers: false
   PadOperators:    false
 AlignConsecutiveDeclarations:
@@ -24,7 +22,6 @@ AlignConsecutiveDeclarations:
   AcrossEmptyLines: false
   AcrossComments:  false
   AlignCompound:   false
-  AlignFunctionDeclarations: true
   AlignFunctionPointers: false
   PadOperators:    false
 AlignConsecutiveMacros:
@@ -32,21 +29,18 @@ AlignConsecutiveMacros:
   AcrossEmptyLines: false
   AcrossComments:  false
   AlignCompound:   false
-  AlignFunctionDeclarations: false
   AlignFunctionPointers: false
   PadOperators:    false
 AlignConsecutiveShortCaseStatements:
   Enabled:         false
   AcrossEmptyLines: false
   AcrossComments:  false
-  AlignCaseArrows: false
   AlignCaseColons: false
 AlignConsecutiveTableGenBreakingDAGArgColons:
   Enabled:         false
   AcrossEmptyLines: false
   AcrossComments:  false
   AlignCompound:   false
-  AlignFunctionDeclarations: false
   AlignFunctionPointers: false
   PadOperators:    false
 AlignConsecutiveTableGenCondOperatorColons:
@@ -54,7 +48,6 @@ AlignConsecutiveTableGenCondOperatorColons:
   AcrossEmptyLines: false
   AcrossComments:  false
   AlignCompound:   false
-  AlignFunctionDeclarations: false
   AlignFunctionPointers: false
   PadOperators:    false
 AlignConsecutiveTableGenDefinitionColons:
@@ -62,7 +55,6 @@ AlignConsecutiveTableGenDefinitionColons:
   AcrossEmptyLines: false
   AcrossComments:  false
   AlignCompound:   false
-  AlignFunctionDeclarations: false
   AlignFunctionPointers: false
   PadOperators:    false
 AlignEscapedNewlines: Right
diff --git a/.clang-tidy b/.clang-tidy
new file mode 100644
index 0000000..7eeb788
--- /dev/null
+++ b/.clang-tidy
@@ -0,0 +1 @@
+Checks: '*, -clang-diagnostic-pragma-once-outside-header' 
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
new file mode 100644
index 0000000..ae62fb4
--- /dev/null
+++ b/.github/workflows/lint.yml
@@ -0,0 +1,33 @@
+name: Lint
+
+on:
+  pull_request:
+    types: [opened, synchronize]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.10'
+
+      - name: Install Python linter
+        run: pip install ruff==0.4.4
+
+      - name: Run Python linter
+        run: ruff check . || exit 1
+
+      - name: Install clang-tidy
+        run: sudo apt-get update && sudo apt-get install -y clang-tidy
+
+      - name: Run clang-tidy on C++ files
+        run: |
+          set -e
+          find . -type f \( -name '*.cpp' -o -name '*.cc' -o -name '*.h' \) \
+            -exec clang-tidy {} -- -std=c++17 -xc++ -I. \;
diff --git a/.github/workflows/pr-review.yml b/.github/workflows/pr-review.yml
index 94ac71e..4c5a69f 100644
--- a/.github/workflows/pr-review.yml
+++ b/.github/workflows/pr-review.yml
@@ -26,7 +26,6 @@ jobs:
               env:
                 DEEPSEEK_API_KEY: ${{ secrets.DEEPSEEK_API_KEY }}
                 DEEPSEEK_API_BASE: ${{ secrets.DEEPSEEK_API_BASE }}
+                GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
               run: |
-                echo "Checking GITHUB_TOKEN availability..."
-                echo "GITHUB_TOKEN=${GITHUB_TOKEN:0:4}***"
                 python .github/scripts/pr-review.py