feat: add inx ordering for tunnel and node

springboot-backend/src/main/java/com/admin/common/dto/TunnelDetailDto.java

@@ -14,6 +14,12 @@ import java.util.List;
 public class TunnelDetailDto {
     
     private Long id;
+
+    /**
+     * Display/order index for drag-sorting in admin UI.
+     * Lower value appears first.
+     */
+    private Integer inx;
     
     private String name;
     
@@ -40,4 +46,3 @@ public class TunnelDetailDto {
     // 出口节点列表
     private List<ChainTunnel> outNodeId = new ArrayList<>();
 }
-

springboot-backend/src/main/java/com/admin/common/migration/SqliteSchemaMigration.java

@@ -0,0 +1,54 @@
+package com.admin.common.migration;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.boot.ApplicationArguments;
+import org.springframework.boot.ApplicationRunner;
+import org.springframework.core.Ordered;
+import org.springframework.core.annotation.Order;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.stereotype.Component;
+
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * Lightweight SQLite schema migration.
+ *
+ * Spring Boot SQL init uses CREATE TABLE IF NOT EXISTS, so existing installations
+ * won't automatically receive new columns. This runner adds missing columns in-place.
+ */
+@Slf4j
+@Component
+@Order(Ordered.HIGHEST_PRECEDENCE)
+public class SqliteSchemaMigration implements ApplicationRunner {
+
+    private final JdbcTemplate jdbcTemplate;
+
+    public SqliteSchemaMigration(JdbcTemplate jdbcTemplate) {
+        this.jdbcTemplate = jdbcTemplate;
+    }
+
+    @Override
+    public void run(ApplicationArguments args) {
+        ensureColumn("node", "inx", "INTEGER NOT NULL DEFAULT 0");
+        ensureColumn("tunnel", "inx", "INTEGER NOT NULL DEFAULT 0");
+    }
+
+    private void ensureColumn(String table, String column, String columnDefinition) {
+        Set<String> columns = new HashSet<>(
+                jdbcTemplate.query(
+                        "PRAGMA table_info(" + table + ")",
+                        (rs, rowNum) -> rs.getString("name")
+                )
+        );
+
+        if (columns.contains(column)) {
+            return;
+        }
+
+        log.info("Adding missing column {}.{}", table, column);
+        jdbcTemplate.execute(
+                "ALTER TABLE " + table + " ADD COLUMN " + column + " " + columnDefinition
+        );
+    }
+}

springboot-backend/src/main/java/com/admin/entity/Node.java

@@ -14,7 +14,7 @@ import lombok.EqualsAndHashCode;
  */
 @Data
 @EqualsAndHashCode(callSuper = true)
-public class Node extends BaseEntity {
+public class Node extends BaseEntity {
 
     private static final long serialVersionUID = 1L;
 
@@ -38,6 +38,12 @@ public class Node extends BaseEntity {
 
     private String tcpListenAddr;
 
-    private String udpListenAddr;
-
-}
+    private String udpListenAddr;
+
+    /**
+     * Display/order index for drag-sorting in admin UI.
+     * Lower value appears first.
+     */
+    private Integer inx;
+
+}

springboot-backend/src/main/java/com/admin/entity/Tunnel.java

@@ -22,7 +22,7 @@ import lombok.EqualsAndHashCode;
 @Data
 @EqualsAndHashCode(callSuper = true)
 @TableName(autoResultMap = true)
-public class Tunnel extends BaseEntity {
+public class Tunnel extends BaseEntity {
 
     private static final long serialVersionUID = 1L;
 
@@ -32,7 +32,13 @@ public class Tunnel extends BaseEntity {
 
     private int flow;
 
-    private BigDecimal trafficRatio;
-
-    private String inIp;
-}
+    private BigDecimal trafficRatio;
+
+    private String inIp;
+
+    /**
+     * Display/order index for drag-sorting in admin UI.
+     * Lower value appears first.
+     */
+    private Integer inx;
+}