增强新威电池测试系统 OSS 上传功能 / Enhanced Neware Battery Test System OSS Upload (#196)

* feat: neware-oss-upload-enhancement

* feat(neware): enhance OSS upload with metadata and workflow handles

unilabos/devices/neware_battery_test_system/device.json

@@ -0,0 +1,35 @@
+{
+    "nodes": [
+        {
+            "id": "NEWARE_BATTERY_TEST_SYSTEM",
+            "name": "Neware Battery Test System",
+            "parent": null,
+            "type": "device",
+            "class": "neware_battery_test_system",
+            "position": {
+                "x": 620.0,
+                "y": 200.0,
+                "z": 0
+            },
+            "config": {
+                "ip": "127.0.0.1",
+                "port": 502,
+                "machine_id": 1,
+                "devtype": "27",
+                "timeout": 20,
+                "size_x": 500.0,
+                "size_y": 500.0,
+                "size_z": 2000.0,
+                "oss_upload_enabled": true,
+                "oss_prefix": "neware_backup/2025-12"
+            },
+            "data": {
+                "功能说明": "新威电池测试系统，提供720通道监控和CSV批量提交功能",
+                "监控功能": "支持720个通道的实时状态监控、2盘电池物料管理、状态导出等",
+                "提交功能": "通过submit_from_csv action从CSV文件批量提交测试任务。CSV必须包含: Battery_Code, Pole_Weight, 集流体质量, 活性物质含量, 克容量mah/g, 电池体系, 设备号, 排号, 通道号"
+            },
+            "children": []
+        }
+    ],
+    "links": []
+}