Initial commit: VLM-as-judge prompt calibration loop

Qwen3-VL image-similarity judge node, external-prompt receptor node, agent_bridge CLI, example SDXL workflow, and methodology/agent-loop/ calibration-policy docs. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-26 22:15:56 +02:00
commit 95198a15b5
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+{
+  "4": {
+    "class_type": "CheckpointLoaderSimple",
+    "inputs": { "ckpt_name": "waiIllustriousSDXL_v160.safetensors" },
+    "_meta": { "title": "Load Checkpoint (swap for your T2I)" }
+  },
+  "10": {
+    "class_type": "CalibratorPromptReceptor",
+    "inputs": {
+      "prompt": "a photo of a woman, casual outfit, indoors",
+      "negative": "blurry, deformed, lowres, extra limbs",
+      "seed": 12345,
+      "source_file": ""
+    },
+    "_meta": { "title": "SxCP External Prompt (Receptor)" }
+  },
+  "6": {
+    "class_type": "CLIPTextEncode",
+    "inputs": { "text": ["10", 0], "clip": ["4", 1] },
+    "_meta": { "title": "Positive (from receptor)" }
+  },
+  "7": {
+    "class_type": "CLIPTextEncode",
+    "inputs": { "text": ["10", 1], "clip": ["4", 1] },
+    "_meta": { "title": "Negative (from receptor)" }
+  },
+  "5": {
+    "class_type": "EmptyLatentImage",
+    "inputs": { "width": 1024, "height": 1024, "batch_size": 1 },
+    "_meta": { "title": "Empty Latent" }
+  },
+  "3": {
+    "class_type": "KSampler",
+    "inputs": {
+      "model": ["4", 0],
+      "positive": ["6", 0],
+      "negative": ["7", 0],
+      "latent_image": ["5", 0],
+      "seed": ["10", 2],
+      "steps": 28,
+      "cfg": 5.5,
+      "sampler_name": "euler",
+      "scheduler": "normal",
+      "denoise": 1.0
+    },
+    "_meta": { "title": "KSampler (seed from receptor)" }
+  },
+  "8": {
+    "class_type": "VAEDecode",
+    "inputs": { "samples": ["3", 0], "vae": ["4", 2] },
+    "_meta": { "title": "VAE Decode" }
+  },
+  "9": {
+    "class_type": "SaveImage",
+    "inputs": { "images": ["8", 0], "filename_prefix": "calibrator/gen" },
+    "_meta": { "title": "Save Generated" }
+  },
+  "11": {
+    "class_type": "LoadImage",
+    "inputs": { "image": "reference.png" },
+    "_meta": { "title": "Reference Image (put in ComfyUI/input/)" }
+  },
+  "12": {
+    "class_type": "QwenVLImageJudge",
+    "inputs": {
+      "reference_image": ["11", 0],
+      "generated_image": ["8", 0],
+      "model_path": "/media/p5/qwen3vl_4b_abliterated_comfy_convert/hf_bf16",
+      "precision": "bf16",
+      "axes": "cast, clothing, pose, scene, composition, expression, color_light",
+      "max_new_tokens": 512,
+      "temperature": 0.0,
+      "swap_eval": true,
+      "keep_loaded": true,
+      "auto_download": true,
+      "report_dir": "/media/p5/Comfyui/output/calibrator",
+      "run_tag": "",
+      "prompt_used": ""
+    },
+    "_meta": { "title": "Qwen3-VL Image Judge (Calibrator)" }
+  }
+}