Set up lefthook for Ruby formatters and type checking

lefthook.yml

@@ -0,0 +1,38 @@
+pre-commit:
+  commands:
+    syntax-tree:
+      glob: "*.rb,*.rbi,*.rbs"
+      run: bundle exec stree write {staged_files}
+      stage_fixed: true
+      exclude: |
+        vendor/
+        tmp/
+        log/
+
+    sorbet:
+      run: bundle exec srb tc
+      pass_filenames: false
+      fail_text: "Sorbet type checking failed"
+
+    tapioca-gems:
+      run: bundle exec tapioca gems
+      pass_filenames: false
+      fail_text: "Tapioca gems check failed"
+
+    trailing-whitespace:
+      glob: "*.{rb,yml,yaml,json,md}"
+      run: sed -i 's/[[:space:]]*$//' {staged_files}
+      stage_fixed: true
+
+commit-msg:
+  commands:
+    # Add commit message linting if desired
+    # conventional-commits:
+    #   run: echo "Commit message validation passed"
+
+pre-push:
+  commands:
+    # Run more comprehensive checks before pushing
+    # tests:
+    #   run: bundle exec rspec
+    #   fail_text: "Tests failed"