refactor: introduce syntax/scan module with DependencyDirectivesGetter (#357)

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.github/workflows/main.yml

@@ -56,11 +56,6 @@ jobs:
 
   format:
     needs: changes
-    permissions:
-      contents: read
-      checks: write
-      issues: write
-      pull-requests: write
     if: ${{ needs.changes.outputs.format == 'true' }}
     uses: ./.github/workflows/check-format.yml