feat(mflux_image_edit): pass ALL inputs to --image-paths — multi-image compose

Qwen-Image-Edit takes up to ~3 images ('put the shirt from image 2 on the
person in image 1'); the operator only ever forwarded input[0]. Single-image
jobs unchanged.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

server/operators/mflux_image_edit/manifest.json

@@ -2,19 +2,43 @@
   "id": "mflux_image_edit",
   "name": "Edit Image (local, Qwen)",
   "category": "image-prep",
-  "description": "Image + instruction → edited image entirely on this Mac via mflux Qwen-Image-Edit (ungated/Apache-2.0). Free local alternative to fal_image_edit / nano-banana edit — 'remove the sticker', 'make it studio-lit on white', material/lighting changes. First run downloads weights.",
-  "accepts": ["image"],
-  "produces": ["image"],
+  "description": "1-3 images + instruction \u2192 edited image (multi-image composes: 'put the shirt from image 2 on the person in image 1') entirely on this Mac via mflux Qwen-Image-Edit (ungated/Apache-2.0). Free local alternative to fal_image_edit / nano-banana edit \u2014 'remove the sticker', 'make it studio-lit on white', material/lighting changes. First run downloads weights.",
+  "accepts": [
+    "image"
+  ],
+  "produces": [
+    "image"
+  ],
   "resources": "gpu",
   "entry": "run.py",
   "python": "venvs/mflux/bin/python",
   "params_schema": {
     "type": "object",
     "properties": {
-      "prompt": {"type": "string", "default": "", "description": "Edit instruction (what to change)"},
-      "steps": {"type": "integer", "default": 25, "minimum": 1, "maximum": 50, "description": "Inference steps"},
-      "seed": {"type": "integer", "default": 42, "description": "Random seed"},
-      "guidance": {"type": "number", "default": 4.0, "minimum": 0, "maximum": 10, "description": "Guidance scale"}
+      "prompt": {
+        "type": "string",
+        "default": "",
+        "description": "Edit instruction (what to change)"
+      },
+      "steps": {
+        "type": "integer",
+        "default": 25,
+        "minimum": 1,
+        "maximum": 50,
+        "description": "Inference steps"
+      },
+      "seed": {
+        "type": "integer",
+        "default": 42,
+        "description": "Random seed"
+      },
+      "guidance": {
+        "type": "number",
+        "default": 4.0,
+        "minimum": 0,
+        "maximum": 10,
+        "description": "Guidance scale"
+      }
     }
   }
-}
+}

server/operators/mflux_image_edit/run.py

@@ -25,7 +25,9 @@ if not cli.exists():
 src = Path(a.input[0])
 outdir = Path(a.outdir)
 out = outdir / f"{src.stem}_edited.png"
-cmd = [str(cli), "--image-paths", str(src.resolve()),
+# ALL inputs go to Qwen (it composes up to ~3 images: "put the shirt from image 2 on the person
+# in image 1"). Single-image jobs behave exactly as before.
+cmd = [str(cli), "--image-paths", *[str(Path(x).resolve()) for x in a.input],
        "--prompt", p["prompt"],
        "--steps", str(p.get("steps", 25)),
        "--seed", str(p.get("seed", 42)),