first commit

template/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>{{groupId}}</groupId>
+    <artifactId>{{projectName}}-common-cache</artifactId>
+    <version>0.0.0</version>
+    <packaging>jar</packaging>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>3.4.0</version>
+        <relativePath/>
+    </parent>
+
+    <properties>
+        <java.version>{{javaVersion}}</java.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>{{groupId}}</groupId>
+            <artifactId>{{projectName}}-common-core</artifactId>
+            <version>0.0.0</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+    </dependencies>
+
+</project>

template/src/main/java/{{basePkgPath}}/cache/CacheKey.java

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+package {{basePackage}}.cache;
+
+/**
+ * 缓存 Key 构造器，禁止裸字符串拼接。
+ */
+public final class CacheKey {
+
+    private CacheKey() {
+    }
+
+    // TODO: 提供静态工厂方法构造带命名空间的缓存 Key
+
+}

template/src/main/java/{{basePkgPath}}/cache/CacheService.java

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+package {{basePackage}}.cache;
+
+/**
+ * 统一缓存访问入口，屏蔽底层缓存实现。
+ */
+public interface CacheService {
+
+    // TODO: get / set / delete / exists 等方法签名
+
+}