🎨 完整的 IOPaint 项目更新

## 主要更新
- ✨ 更新所有依赖到最新稳定版本
- 📝 添加详细的项目文档和模型推荐
- 🔧 配置 VSCode Cloud Studio 预览功能
- 🐛 修复 PyTorch API 弃用警告

## 依赖更新
- diffusers: 0.27.2 → 0.35.2
- gradio: 4.21.0 → 5.46.0
- peft: 0.7.1 → 0.18.0
- Pillow: 9.5.0 → 11.3.0
- fastapi: 0.108.0 → 0.116.2

## 新增文件
- CLAUDE.md - 项目架构和开发指南
- UPGRADE_NOTES.md - 详细的升级说明
- .vscode/preview.yml - 预览配置
- .vscode/LAUNCH_GUIDE.md - 启动指南
- .gitignore - 更新的忽略规则

## 代码修复
- 修复 iopaint/model/ldm.py 中的 torch.cuda.amp.autocast() 弃用警告

## 文档更新
- README.md - 添加模型推荐和使用指南
- 完整的项目源码（iopaint/）
- Web 前端源码（web_app/）

🤖 Generated with Claude Code

iopaint/tests/test_sdxl.py

@@ -0,0 +1,118 @@
+import os
+
+from iopaint.tests.utils import check_device, current_dir
+
+os.environ["PYTORCH_ENABLE_MPS_FALLBACK"] = "1"
+
+import pytest
+import torch
+
+from iopaint.model_manager import ModelManager
+from iopaint.schema import HDStrategy, SDSampler
+from iopaint.tests.test_model import get_config, assert_equal
+
+
+@pytest.mark.parametrize("device", ["cuda", "mps"])
+@pytest.mark.parametrize("strategy", [HDStrategy.ORIGINAL])
+@pytest.mark.parametrize("sampler", [SDSampler.ddim])
+def test_sdxl(device, strategy, sampler):
+    sd_steps = check_device(device)
+
+    model = ModelManager(
+        name="diffusers/stable-diffusion-xl-1.0-inpainting-0.1",
+        device=torch.device(device),
+        disable_nsfw=True,
+        sd_cpu_textencoder=False,
+    )
+    cfg = get_config(
+        strategy=strategy,
+        prompt="face of a fox, sitting on a bench",
+        sd_steps=sd_steps,
+        sd_strength=1.0,
+        sd_guidance_scale=7.0,
+    )
+    cfg.sd_sampler = sampler
+
+    assert_equal(
+        model,
+        cfg,
+        f"sdxl_device_{device}.png",
+        img_p=current_dir / "overture-creations-5sI6fQgYIuo.png",
+        mask_p=current_dir / "overture-creations-5sI6fQgYIuo_mask.png",
+        fx=2,
+        fy=2,
+    )
+
+
+@pytest.mark.parametrize("device", ["cuda", "cpu"])
+@pytest.mark.parametrize("strategy", [HDStrategy.ORIGINAL])
+@pytest.mark.parametrize("sampler", [SDSampler.ddim])
+def test_sdxl_cpu_text_encoder(device, strategy, sampler):
+    sd_steps = check_device(device)
+
+    model = ModelManager(
+        name="diffusers/stable-diffusion-xl-1.0-inpainting-0.1",
+        device=torch.device(device),
+        disable_nsfw=True,
+        sd_cpu_textencoder=True,
+    )
+    cfg = get_config(
+        strategy=strategy,
+        prompt="face of a fox, sitting on a bench",
+        sd_steps=sd_steps,
+        sd_strength=1.0,
+        sd_guidance_scale=7.0,
+    )
+    cfg.sd_sampler = sampler
+
+    assert_equal(
+        model,
+        cfg,
+        f"sdxl_device_{device}.png",
+        img_p=current_dir / "overture-creations-5sI6fQgYIuo.png",
+        mask_p=current_dir / "overture-creations-5sI6fQgYIuo_mask.png",
+        fx=2,
+        fy=2,
+    )
+
+
+@pytest.mark.parametrize("device", ["cuda", "mps"])
+@pytest.mark.parametrize(
+    "rect",
+    [
+        [-128, -128, 1024, 1024],
+    ],
+)
+def test_sdxl_outpainting(device, rect):
+    sd_steps = check_device(device)
+
+    model = ModelManager(
+        name="diffusers/stable-diffusion-xl-1.0-inpainting-0.1",
+        device=torch.device(device),
+        disable_nsfw=True,
+        sd_cpu_textencoder=False,
+    )
+
+    cfg = get_config(
+        strategy=HDStrategy.ORIGINAL,
+        prompt="a dog sitting on a bench in the park",
+        sd_steps=sd_steps,
+        use_extender=True,
+        extender_x=rect[0],
+        extender_y=rect[1],
+        extender_width=rect[2],
+        extender_height=rect[3],
+        sd_strength=1.0,
+        sd_guidance_scale=8.0,
+        sd_sampler=SDSampler.ddim,
+    )
+
+    assert_equal(
+        model,
+        cfg,
+        f"sdxl_outpainting_dog_ddim_{'_'.join(map(str, rect))}_device_{device}.png",
+        img_p=current_dir / "overture-creations-5sI6fQgYIuo.png",
+        mask_p=current_dir / "overture-creations-5sI6fQgYIuo_mask.png",
+        fx=1.5,
+        fy=1.5,
+    )