add uc to image metadata

main.py

@@ -139,7 +139,7 @@ def generate(request: GenerationRequest, authorized: bool = Depends(verify_token
             if seed is not None:
                 request.seed = seed
                 seed += 1
-            comment = json.dumps({"steps":request.steps,"sampler":request.sampler,"seed":request.seed,"strength":request.strength,"noise":request.noise,"scale":request.scale})
+            comment = json.dumps({"steps":request.steps,"sampler":request.sampler,"seed":request.seed,"strength":request.strength,"noise":request.noise,"scale":request.scale,"uc":request.uc})
             metadata = PngInfo()
             metadata.add_text("Title", "AI generated image")
             metadata.add_text("Description", request.prompt)
@@ -251,4 +251,4 @@ def generate_text(request: TextRequest, authorized: bool = Depends(verify_token)
         return ErrorOutput(error=str(e))
 
 if __name__ == "__main__":
-    uvicorn.run("main:app", host="0.0.0.0", port=80, log_level="info")
+    uvicorn.run("main:app", host="0.0.0.0", port=80, log_level="info")
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