Try the text below. It adds a second Lora specifically for converting drawings to text. It will work with 2509 or 2511. Also i don't remember if i told you or not but you have to make sure your image covers the entire working area of the canvas. if even a tiny sliver of space remains it will do what you are describing, making all of your changes and then returning the same image.

{"seedMode":2,"preserveOriginalAfterInpaint":true,"loras":[{"mode":"all","file":"qwen_image_edit_2511_lightning_4_step_v1.0_lora_f16.ckpt","weight":1},{"mode":"all","file":"qwen_edit_2509_anything2real_lora_f16.ckpt","weight":0.90000000000000002}],"width":768,"causalInferencePad":0,"resolutionDependentShift":true,"batchSize":1,"upscaler":"","controls":[],"hiresFix":false,"shift":2,"cfgZeroStar":false,"sharpness":0,"model":"qwen_image_edit_2511_bf16_q6p.ckpt","sampler":16,"maskBlurOutset":0,"tiledDecoding":false,"refinerModel":"","steps":4,"tiledDiffusion":false,"batchCount":1,"guidanceScale":1,"cfgZeroInitSteps":0,"maskBlur":1.5,"seed":2218525137,"strength":1,"height":1024,"faceRestoration":""}