fix: Redis集群SCAN遍历所有master节点 + 查询结果布局调整\n\n1. ScanAllKeys(): 集群模式用ForEachMaster遍历所有master节点SCAN合并去重\n2. RedisScanKeys/KEYS命令均改用ScanAllKeys,确保集群不遗漏key\n3. QueriesPage布局: sidebar独立左侧,查询结果只在编辑器下方不被sidebar占据宽度

backend/internal/handler/instance_detail.go

@@ -749,7 +749,7 @@ func executeRedisQuery(instance *model.Instance, dbSelect string, command string
 		args = append(args, p)
 	}
 
-	// For KEYS command, use SCAN with pagination (auto-append * if no wildcard)
+	// For KEYS command, use ScanAllKeys (cluster-aware) with pagination
 	if cmd == "KEYS" {
 		pattern := "*"
 		if len(parts) > 1 {
@@ -759,27 +759,17 @@ func executeRedisQuery(instance *model.Instance, dbSelect string, command string
 		if !strings.Contains(pattern, "*") && !strings.Contains(pattern, "?") && !strings.Contains(pattern, "[") {
 			pattern = pattern + "*"
 		}
-		var allKeys []string
-		cursor := uint64(0)
-		maxScan := offset + limit
-		for {
-			keys, nextCursor, err := client.Scan(ctx, cursor, pattern, int64(maxScan-len(allKeys))).Result()
-			if err != nil {
-				return nil, fmt.Errorf("SCAN failed: %v", err)
-			}
-			allKeys = append(allKeys, keys...)
-			cursor = nextCursor
-			if cursor == 0 || len(allKeys) >= maxScan {
-				break
-			}
+		allKeys, err := client.ScanAllKeys(ctx, pattern, limit+offset)
+		if err != nil {
+			return nil, fmt.Errorf("SCAN failed: %v", err)
 		}
 		total := len(allKeys)
 		end := offset + limit
-		if end > len(allKeys) {
-			end = len(allKeys)
+		if end > total {
+			end = total
 		}
-		if offset > len(allKeys) {
-			offset = len(allKeys)
+		if offset > total {
+			offset = total
 		}
 		pagedKeys := allKeys[offset:end]
 		rows := make([]interface{}, len(pagedKeys))