feat(runner): add user02 initialization and rename init methods

- Add initialization flow for the user02 common account
- Rename insertAdminUser to insertAdmin for consistency
- Rename insertCommonUser to insertUser01 to align with naming

src/main/kotlin/com/msksbr/bookmgr/runner/InitUserRunner.kt

@@ -28,25 +28,35 @@ class InitUserRunner(
         )
         if (existsAdmin == null) {
             logger.info("Admin user not found, creating...")
-            insertAdminUser()
+            insertAdmin()
         } else {
             logger.debug("Admin user already exists, skipping")
         }
-        logger.debug("Querying for common user")
-        val existsUser = userMapper.selectOne(
+        logger.debug("Querying for common user01")
+        val existsUser01 = userMapper.selectOne(
             QueryWrapper<User>()
                 .eq("username", "user01")
         )
-        if (existsUser == null) {
-            logger.info("Common user not found, creating...")
-            insertCommonUser()
+        if (existsUser01 == null) {
+            logger.info("Common user01 not found, creating...")
+            insertUser01()
         } else {
-            logger.debug("Common user already exists, skipping")
+            logger.debug("Common user01 already exists, skipping")
+        }
+        val existsUser02=userMapper.selectOne(
+            QueryWrapper<User>()
+            .eq("username", "user02")
+        )
+        if (existsUser02 == null) {
+            logger.info("Common user02 not found, creating...")
+            insertUser02()
+        }else{
+            logger.info("Common user02 already exists, skipping")
         }
         logger.info("Default user initialization completed")
     }
 
-    fun insertAdminUser() {
+    fun insertAdmin() {
         val user = User(
             id = null,
             username = "admin",
@@ -58,7 +68,7 @@ class InitUserRunner(
         logger.info("Admin user created successfully")
     }
 
-    fun insertCommonUser() {
+    fun insertUser01() {
         val user = User(
             id = null,
             username = "user01",
@@ -69,4 +79,15 @@ class InitUserRunner(
         userMapper.insert(user)
         logger.info("Common user created successfully")
     }
+    fun insertUser02() {
+        val user = User(
+            id = null,
+            username = "user02",
+            password = passwordEncoder.encode("user02")!!,
+            role = "user"
+        )
+        logger.debug("Creating common user: username={}, role={}", user.username, user.role)
+        userMapper.insert(user)
+        logger.info("Common user created successfully")
+    }
 }