feat: register british-english, commit-message, and spring-boot skills

docs(british-english): remove redundant guidance line

The "Follow these rules consistently throughout a document." line
added no real directive beyond what the rule sections already convey,
and the "a document" framing was too narrow for outputs like commit
messages and code comments.
@

british-english/SKILL.md

@@ -5,7 +5,7 @@ description: Apply British English spelling and grammar as a global default when
 
 # British English
 
-Conventions for writing in British English, as distinct from American English. Follow these rules consistently throughout a document.
+Conventions for writing in British English, as distinct from American English.
 
 ## Spelling
 

skills.json

@@ -0,0 +1,26 @@
+{
+  "name": "Claude Code Skills",
+  "skills": [
+    {
+      "name": "british-english",
+      "description": "Apply British English spelling and grammar conventions to project documents and code",
+      "repository": "https://onixbyte.dev/onixbyte/claude-code-skills",
+      "branch": "main",
+      "path": "british-english"
+    },
+    {
+      "name": "commit-message",
+      "description": "Generate well-formatted git commit messages following conventional commits",
+      "repository": "https://onixbyte.dev/onixbyte/claude-code-skills",
+      "branch": "main",
+      "path": "commit-message"
+    },
+    {
+      "name": "spring-boot",
+      "description": "Add JPA CRUD resources following Spring Boot layered architecture",
+      "repository": "https://onixbyte.dev/onixbyte/claude-code-skills",
+      "branch": "main",
+      "path": "spring-boot"
+    }
+  ]
+}

spring-boot/SKILL.md

@@ -507,14 +507,14 @@ A protected no-arg constructor is required by JPA. Static factories (`fromReques
 public interface UserMapper {
 
     @Select("""
-        SELECT id, email, display_name AS displayName, status, created_at AS createdAt
+        SELECT id, email, display_name, status, created_at
         FROM users
         WHERE id = #{id}
         """)
     Optional<UserEntity> findById(Long id);
 
     @Select("""
-        SELECT id, email, display_name AS displayName, status, created_at AS createdAt
+        SELECT id, email, display_name, status, created_at
         FROM users
         <where>
           <if test="email != null">AND email LIKE CONCAT('%', #{email}, '%')</if>
@@ -780,12 +780,13 @@ com.example.app/
 │   └── UserMapper.java                      (MyBatis, when needed)
 ├── entity/
 │   └── UserEntity.java
-├── request/
-│   ├── CreateUserRequest.java
-│   ├── UpdateUserRequest.java
-│   └── UserSearchCriteria.java
-├── response/
-│   └── UserResponse.java
+├── domain/
+│   ├── request/
+│   │   ├── CreateUserRequest.java
+│   │   ├── UpdateUserRequest.java
+│   │   └── UserSearchCriteria.java
+│   └── response/
+│       └── UserResponse.java
 └── enums/
     └── UserStatus.java
 ```
@@ -822,4 +823,3 @@ public class App {
 - Spring Data JPA Reference
 - Jakarta Bean Validation 3.0
 - springdoc-openapi 2.x
-- 阿里巴巴《Java 开发手册》(层结构、Manager/Client 命名来源)