docs: add T-619 vision task and image edit script

xiaxiuxiu.py

@@ -0,0 +1,49 @@
+# POST https://xiaxiuxiu.com/v1/images/edits (OpenAI compatible)
+# Use the fixed source image and prompt file to generate one optimized image.
+import base64
+import os
+import urllib.request
+from pathlib import Path
+
+from openai import OpenAI
+
+
+BASE_DIR = Path(__file__).resolve().parent
+SOURCE_IMAGE = BASE_DIR / "51513423876.jpg"
+PROMPT_FILE = BASE_DIR / "图生图提示词.txt"
+OUTPUT_IMAGE = BASE_DIR / "51513423876_new.jpg"
+TITLE = "韓系極簡V領扭結短袖上衣"
+
+
+api_key = os.environ.get("XIAXIUXIU_API_KEY", "").strip()
+if not api_key:
+    raise RuntimeError("请先设置环境变量 XIAXIUXIU_API_KEY")
+if not SOURCE_IMAGE.is_file():
+    raise FileNotFoundError(f"找不到固定原图：{SOURCE_IMAGE}")
+if not PROMPT_FILE.is_file():
+    raise FileNotFoundError(f"找不到固定提示词文件：{PROMPT_FILE}")
+
+client = OpenAI(
+    api_key=api_key,
+    base_url="https://xiaxiuxiu.com/v1",
+)
+prompt = PROMPT_FILE.read_text(encoding="utf-8").replace("{新标题}", TITLE)
+
+with SOURCE_IMAGE.open("rb") as image_file:
+    response = client.images.edit(
+        model="gpt-image-2",
+        image=image_file,
+        prompt=prompt,
+        size="1024x1024",
+        n=1,
+    )
+
+item = response.data[0]
+if getattr(item, "b64_json", None):
+    OUTPUT_IMAGE.write_bytes(base64.b64decode(item.b64_json))
+elif getattr(item, "url", None):
+    urllib.request.urlretrieve(item.url, OUTPUT_IMAGE)
+else:
+    raise RuntimeError(f"返回数据中没有图片内容：{item}")
+
+print(f"已生成新图片并保存到本地：{OUTPUT_IMAGE}")