Debug: 增强H3C防火墙接口输出调试

- 输出小于1000字节的完整内容
- 便于诊断防火墙接口解析问题

internal/device/h3c.go

@@ -36,10 +36,13 @@ func (p *H3CParser) Parse(device *models.Device, outputs []string) error {
 	
 	// outputs[2] 是 display interface
 	fmt.Printf("[H3C DEBUG] display interface output length: %d\n", len(outputs[2]))
-	if len(outputs[2]) > 0 && len(outputs[2]) <= 200 {
-		fmt.Printf("[H3C DEBUG] Full output: %q\n", outputs[2])
-	} else if len(outputs[2]) > 200 {
-		fmt.Printf("[H3C DEBUG] First 200 chars: %q\n", outputs[2][:200])
+	if len(outputs[2]) > 0 {
+		// 如果输出小于1000字节，完整输出以便调试
+		if len(outputs[2]) <= 1000 {
+			fmt.Printf("[H3C DEBUG] Complete output:\n%s\n", outputs[2])
+		} else {
+			fmt.Printf("[H3C DEBUG] First 200 chars: %q\n", outputs[2][:200])
+		}
 	} else {
 		fmt.Printf("[H3C DEBUG] display interface output is EMPTY!\n")
 	}