fix args

src/lib/components/MonsterGenerator/MonsterGenerator.svelte

@@ -177,14 +177,14 @@ Focus on: colors, body shape, eyes, limbs, mouth, and key visual features. Omit
     }
     
     try {
-      const output = await joyCaptionClient.predict("/stream_chat", [
-        state.userImage,
-        "Creative" as CaptionType,
-        "very long" as CaptionLength,
-        [], // extra_options
-        "", // name_input
-        MONSTER_GENERATION_PROMPT  // custom_prompt
-      ]);
+      const output = await joyCaptionClient.predict("/stream_chat", {
+        input_image: state.userImage,
+        caption_type: "Descriptive",  // Using descriptive type as base
+        caption_length: "very long",  // Needs to be string
+        extra_options: [],  // No extra options needed
+        name_input: "",  // No name needed
+        custom_prompt: MONSTER_GENERATION_PROMPT  // Our custom monster generation prompt
+      });
       
       const [prompt, caption] = output.data;
       // The caption now contains the full monster concept with lore, visual description, and rarity