auto-save 2026-05-13 00:28 (~4)

api/main.py

@@ -597,7 +597,8 @@ def get_frame(job_id: str, idx: int):
 
 class GenerateReq(BaseModel):
     prompt: str
-    extra_prompt: str = ""
+    extra_prompt: str = ""        # ✓ 需要的元素（正向）
+    negative_prompt: str = ""     # ✗ 不需要的元素（负向）
     model: str = ""  # 留空用 IMAGE_MODEL 默认
     mode: str = "edit"  # "edit" 带参考图，"text" 纯文字
 
@@ -617,7 +618,9 @@ def generate_image(job_id: str, idx: int, req: GenerateReq) -> Job:
 
     full_prompt = req.prompt.strip()
     if req.extra_prompt.strip():
-        full_prompt = f"{full_prompt}. {req.extra_prompt.strip()}"
+        full_prompt = f"{full_prompt}. Include: {req.extra_prompt.strip()}"
+    if req.negative_prompt.strip():
+        full_prompt = f"{full_prompt}. Do NOT include: {req.negative_prompt.strip()}. Output must be clean without any watermark, username text, or platform logo."
     if not full_prompt:
         raise HTTPException(400, "prompt required")