feat: allow the P-H3-Image text encoder for MiniMax-H3-Image (#2337)

examples/server/recipes/minimax-h3-image.json

@@ -3,7 +3,7 @@
   "id": "minimax-h3-image",
   "name": "MiniMax H3 Image",
   "size_multiple": 32,
-  "description": "Text-to-image and reference-image editing with the six-step PDD checkpoint. Requires the MiniMax-H3-Image 2D VAE and MiniMax-H3 Qwen3-VL-32B text encoder with its vision tower.",
+  "description": "Text-to-image and reference-image editing with the six-step PDD checkpoint. Requires the MiniMax-H3-Image 2D VAE and either the MiniMax-H3 Qwen3-VL-32B text encoder with its vision tower or the smaller P-H3-Image text encoder (Qwen3-VL-4B with the P-H3 text connector).",
   "model_url": "https://huggingface.co/MiniMaxAI/MiniMax-H3-Image",
   "slots": [
     {
@@ -13,13 +13,18 @@
     {
       "id": "llm",
       "required": true,
-      "label": "MiniMax-H3 Qwen 3 VL 32B Text Encoder"
+      "label": "MiniMax-H3 Qwen 3 VL 32B or P-H3 Qwen 3 VL 4B Text Encoder"
     },
     {
       "id": "llm_vision",
       "required": false,
       "label": "Vision tower (required when not included in the text encoder)"
     },
+    {
+      "id": "embeddings_connectors",
+      "required": false,
+      "label": "P-H3 Text Connector (for Qwen 3 VL 4B, when not included in the text encoder)"
+    },
     {
       "id": "vae",
       "required": true,