first commit

src/.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Environment-dependent path to Maven home directory
+/mavenHomeManager.xml
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
+# Zeppelin ignored files
+/ZeppelinRemoteNotebooks/

src/.idea/codeStyles/Project.xml

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+<component name="ProjectCodeStyleConfiguration">
+  <code_scheme name="Project" version="173">
+    <ScalaCodeStyleSettings>
+      <option name="MULTILINE_STRING_CLOSING_QUOTES_ON_NEW_LINE" value="true" />
+    </ScalaCodeStyleSettings>
+  </code_scheme>
+</component>

src/.idea/codeStyles/codeStyleConfig.xml

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+<component name="ProjectCodeStyleConfiguration">
+  <state>
+    <option name="PREFERRED_PROJECT_CODE_STYLE" value="Default" />
+  </state>
+</component>

src/.idea/misc.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_24" default="true" project-jdk-name="24" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>

src/.idea/modules.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/src.iml" filepath="$PROJECT_DIR$/.idea/src.iml" />
+    </modules>
+  </component>
+</project>

src/.idea/src.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

src/.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+  </component>
+</project>

src/.oca/custom_code_review_guidelines.txt

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+# Sample guideline, please follow similar structure for guideline with code samples
+# 1. Suggest using streams instead of simple loops for better readability.
+#          <example>
+#          *Comment:
+#          Category: Minor
+#          Issue: Use streams instead of a loop for better readability.
+#          Code Block:
+#
+#        ```java
+#            // Calculate squares of numbers
+#            List<Integer> squares = new ArrayList<>();
+#            for (int number : numbers) {
+#              squares.add(number * number);
+#            }
+#          ```
+#          Recommendation:
+#
+#        ```java
+#            // Calculate squares of numbers
+#            List<Integer> squares = Arrays.stream(numbers)
+#              .map(n -> n * n) // Map each number to its square
+#              .toList();
+#          ```
+#          </example>