Add Qwen 2.1 PE-only Comfy graphs for prompt enhance.

Keep PE CLIP separate from DiT so the 16 GB card can run rewrite then generate without loading both at once.

Co-authored-by: Cursor <cursoragent@cursor.com>

server/assets/studio2_qwen21_pe_edit.json

@@ -0,0 +1,57 @@
+{
+  "5": {
+    "inputs": {
+      "clip_name": "qwen3.5_9b_qwen_image_2.1_pe_i2i.int8_convrot.safetensors",
+      "type": "qwen_image",
+      "device": "default"
+    },
+    "class_type": "CLIPLoader",
+    "_meta": { "title": "Load Qwen 2.1 PE Edit CLIP" }
+  },
+  "10": {
+    "inputs": {
+      "image": "qwen21_pe_edit_source.png"
+    },
+    "class_type": "LoadImage",
+    "_meta": { "title": "image_1 source" }
+  },
+  "9": {
+    "inputs": {
+      "clip": ["5", 0],
+      "prompt": "",
+      "image_1": ["10", 0],
+      "temperature": 1.0,
+      "top_p": 0.95,
+      "presence_penalty": 0,
+      "max_length": 24000,
+      "seed": 42
+    },
+    "class_type": "QwenImage21_EditPromptRewrite",
+    "_meta": { "title": "Qwen 2.1 Edit Prompt Rewrite" }
+  },
+  "30": {
+    "inputs": { "source": ["9", 0] },
+    "class_type": "PreviewAny",
+    "_meta": { "title": "PE positive_prompt" }
+  },
+  "31": {
+    "inputs": { "source": ["9", 2] },
+    "class_type": "PreviewAny",
+    "_meta": { "title": "PE wh_ratio" }
+  },
+  "32": {
+    "inputs": { "source": ["9", 3] },
+    "class_type": "PreviewAny",
+    "_meta": { "title": "PE ratio_follow" }
+  },
+  "33": {
+    "inputs": { "source": ["9", 4] },
+    "class_type": "PreviewAny",
+    "_meta": { "title": "PE thinking" }
+  },
+  "34": {
+    "inputs": { "source": ["9", 5] },
+    "class_type": "PreviewAny",
+    "_meta": { "title": "PE parse_ok" }
+  }
+}

server/assets/studio2_qwen21_pe_t2i.json

@@ -0,0 +1,45 @@
+{
+  "5": {
+    "inputs": {
+      "clip_name": "qwen3.5_9b_qwen_image_2.1_pe_t2i.int8_convrot.safetensors",
+      "type": "qwen_image",
+      "device": "default"
+    },
+    "class_type": "CLIPLoader",
+    "_meta": { "title": "Load Qwen 2.1 PE T2I CLIP" }
+  },
+  "9": {
+    "inputs": {
+      "clip": ["5", 0],
+      "prompt": "",
+      "temperature": 1.0,
+      "top_p": 0.95,
+      "top_k": 20,
+      "presence_penalty": 1.5,
+      "max_new_tokens": 16256,
+      "seed": 42
+    },
+    "class_type": "QwenImage21_T2IPromptRewrite",
+    "_meta": { "title": "Qwen 2.1 T2I Prompt Rewrite" }
+  },
+  "30": {
+    "inputs": { "source": ["9", 0] },
+    "class_type": "PreviewAny",
+    "_meta": { "title": "PE positive_prompt" }
+  },
+  "31": {
+    "inputs": { "source": ["9", 2] },
+    "class_type": "PreviewAny",
+    "_meta": { "title": "PE wh_ratio" }
+  },
+  "32": {
+    "inputs": { "source": ["9", 3] },
+    "class_type": "PreviewAny",
+    "_meta": { "title": "PE thinking" }
+  },
+  "33": {
+    "inputs": { "source": ["9", 4] },
+    "class_type": "PreviewAny",
+    "_meta": { "title": "PE parse_ok" }
+  }
+}