Refactor metadata processing to handle vibe transfer defaults separately from director references. Introduce applyVibeTransferDefaults method to set default values when no director references are used, and ensure old vibe transfer parameters are removed when director references are present.

Author: Yukimi Kazari

src/metadata.ts

@@ -88,14 +88,13 @@ export class MetadataProcessor {
     metadata.legacy_uc = metadata.legacy_uc ?? false;
     metadata.legacy = metadata.legacy ?? false;
     metadata.legacy_v3_extend = metadata.legacy_v3_extend ?? false;
-    metadata.normalize_reference_strength_multiple =
-    metadata.normalize_reference_strength_multiple ?? true;
-    metadata.reference_image_multiple = metadata.reference_image_multiple ?? undefined;
-    metadata.reference_strength_multiple = metadata.reference_strength_multiple ?? undefined;
 
     // Handle director reference defaults
     this.applyDirectorReferenceDefaults(metadata);
 
+    // Handle vibe transfer defaults (only if director references are not used)
+    this.applyVibeTransferDefaults(metadata);
+
     metadata.stream = undefined;
   }
 
@@ -469,6 +468,7 @@ export class MetadataProcessor {
    * Apply default values for director reference fields
    * Ensures arrays have consistent lengths when director_reference_images is provided
    * Removes all director reference parameters if no images are provided
+   * When director references are used, removes old vibe transfer parameters and bypasses vibe encoding
    *
    * @param metadata - Metadata to update
    * @private
@@ -483,6 +483,12 @@ export class MetadataProcessor {
       return;
     }
 
+    // Director reference images are provided - remove old vibe transfer parameters and bypass vibe encoding
+    delete metadata.reference_image_multiple;
+    delete metadata.reference_information_extracted_multiple;
+    delete metadata.reference_strength_multiple;
+    delete metadata.normalize_reference_strength_multiple;
+
     const imageCount = metadata.director_reference_images.length;
 
     // Initialize arrays if not provided
@@ -521,6 +527,23 @@ export class MetadataProcessor {
     }
   }
 
+  /**
+   * Apply default values for vibe transfer fields
+   * Only applies when director references are not being used
+   *
+   * @param metadata - Metadata to update
+   * @private
+   */
+  private applyVibeTransferDefaults(metadata: Metadata): void {
+    // Only apply vibe transfer defaults if director references are not being used
+    if (!metadata.director_reference_images?.length) {
+      metadata.normalize_reference_strength_multiple =
+        metadata.normalize_reference_strength_multiple ?? true;
+      metadata.reference_image_multiple = metadata.reference_image_multiple ?? undefined;
+      metadata.reference_strength_multiple = metadata.reference_strength_multiple ?? undefined;
+    }
+  }
+
   /**
    * Get width and height from a resolution preset
    *