Add CLAUDE.md and PR creation rules for development guidance

- Add CLAUDE.md with comprehensive plugin architecture overview
- Include essential build commands and development notes
- Add PR creation rules and template for consistency
- Configure local Claude Code settings

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: xterao

.claude/commands/create_pr.md

@@ -2,6 +2,17 @@
 This document describes the format and rules for creating a Pull Request (PR) on GitHub.
 
 # Execution Details
+## Commit Guidelines
+- Use imperative mood for commit messages (e.g., "Fix bug" instead of "Fixed
+- Write Commit messages in English
+
+## PR Guidelines
+- If there are unstaged changes when creating a pull request, please split them appropriately and commit them separately.
+- When using the gh command, first authenticate with ```gh auth login```.
+- Use the [PR Template](../templates/PR_TEMPLATE.md) for PR descriptions
+- PR titles should be concise and descriptive
+- Ensure all tests pass before submitting a PR
+- Write PR title and descriptions in English
 
 ## Command to Execute
 

.claude/settings.local.json

@@ -0,0 +1,8 @@
+{
+  "permissions": {
+    "allow": [
+      "Bash(./gradlew test:*)"
+    ],
+    "deny": []
+  }
+}

.github/prompt/GenerateCommitComment.prompt.md

@@ -0,0 +1,13 @@
+# Generate Commit Messages in English
+
+## Purpose
+Generate an English commit message based on the provided description of code changes.
+
+## Instruction
+Please create a concise and clear **commit message in English** for the described modifications.
+
+## Input
+- A description of what was changed or implemented in the code (in any language)
+
+## Output
+- A corresponding commit message in English that reflects the intent and content of the changes

CLAUDE.md

@@ -30,6 +30,7 @@ This file provides guidance to Claude Code (claude.ai/code) when working with co
 # Verify plugin compatibility
 ./gradlew verifyPlugin
 ```
+
 ---
 ## Architecture Overview
 

src/test/testData/sql/formatter/blockdemo.sql

@@ -0,0 +1,4 @@
+/**content
+* Content Main
+* This is a demonstration of how to format SQL code using block comments.
+*/

src/test/testData/src/main/java/doma/example/dao/formatter/SqlInjectionFormatDao.java

@@ -0,0 +1,23 @@
+package doma.example.dao.formatter;
+
+import doma.example.entity.Employee;
+import org.seasar.doma.Dao;
+import org.seasar.doma.Select;
+import org.seasar.doma.Sql;
+
+@Dao
+public interface SqlInjectionDao {
+    @Select
+    @Sql("""
+SELECT *
+  FROM tableName
+ WHERE id = 0""")
+    Employee selectInjection();
+
+    @Select
+    @Sql("""
+SELECT *
+  FROM tableName
+ WHERE id = /* id */1""")
+    Employee selectInjection2(Integer id);
+}