feat: 适配 RTX 3090 (24GB) 环境优化

硬件迁移：从 RTX 5090 (32GB) 迁移到 RTX 3090 (24GB)

主要改动：
- 所有启动脚本和配置文件中的 /home/xsl/ 路径替换为 /home/ubuntu/
- 适配新的 24GB VRAM 环境

train_hairstyle_full.py

@@ -6,8 +6,8 @@
 串接 prepare_train_data / gen_template_material / photo_service训练 / 回调 / 预览图
 
 用法:
-  cd /home/xsl/change_hair/project/hair_service_sd
-  python /home/xsl/change_hair/train_hairstyle_full.py --hair-id huaban1 --input /home/xsl/change_hair/huaban1 --gender girl --template-img /home/xsl/change_hair/huaban1/huaban1.jpg
+  cd /home/ubuntu/change_hair/project/hair_service_sd
+  python /home/ubuntu/change_hair/train_hairstyle_full.py --hair-id huaban1 --input /home/ubuntu/change_hair/huaban1 --gender girl --template-img /home/ubuntu/change_hair/huaban1/huaban1.jpg
 """
 import os
 import sys
@@ -21,7 +21,7 @@ import argparse
 import requests as req
 
 ssl._create_default_https_context = ssl._create_unverified_context
-HAIR_SERVICE_DIR = "/home/xsl/change_hair/project/hair_service_sd"
+HAIR_SERVICE_DIR = "/home/ubuntu/change_hair/project/hair_service_sd"
 os.chdir(HAIR_SERVICE_DIR)
 sys.path.insert(0, HAIR_SERVICE_DIR)
 os.environ.setdefault("HF_HUB_OFFLINE", "1")
@@ -48,9 +48,9 @@ RESOLUTIONS = [512, 768, 1024, 1280, 1536]
 PHOTO_TRAIN = "http://127.0.0.1:32678/api/hair/train"
 HAIR_CALLBACK = "http://127.0.0.1:8801/api/hair/trainCallBack"
 SWAP_API = "http://127.0.0.1:8801/api/swapHair/v1"
-GIRL_IMG = "/home/xsl/change_hair/images/girl.png"
-BOY_IMG = "/home/xsl/change_hair/images/boy.png"
-PREVIEW_DIR = "/home/xsl/change_hair/hair_grow_service/static/previews"
+GIRL_IMG = "/home/ubuntu/change_hair/images/girl.png"
+BOY_IMG = "/home/ubuntu/change_hair/images/boy.png"
+PREVIEW_DIR = "/home/ubuntu/change_hair/hair_grow_service/static/previews"
 
 _detector = _aligner = _matte = None
 def get_models():