fix(init): 更新真实 BCrypt 哈希值，添加 actuator 依赖，修复健康检查 (T003/T004 followup)

pom.xml

@@ -50,6 +50,12 @@
             <artifactId>spring-boot-starter-web</artifactId>
         </dependency>
 
+        <!-- Spring Boot Actuator (health check endpoint) -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-actuator</artifactId>
+        </dependency>
+
         <!-- Spring Boot Data Redis (Lettuce) -->
         <dependency>
             <groupId>org.springframework.boot</groupId>