feat: Update regenerate_frame_image to use MediaService with RunningHub support

api/routers/editor.py

@@ -450,22 +450,19 @@ async def regenerate_frame_image(
         raise HTTPException(status_code=400, detail="No image prompt available")
     
     try:
-        # Import and use PixelleVideo core for image generation
+        # Import and use PixelleVideo core services
         from api.dependencies import get_pixelle_video
-        from pixelle_video.models.storyboard import StoryboardFrame, StoryboardConfig
         
         pixelle_video = get_pixelle_video()
         
-        # Generate image using ComfyKit
-        result = await pixelle_video.comfy(
-            workflow="image_gen",
+        # Use MediaService to generate image via RunningHub workflow
+        result = await pixelle_video.image(
             prompt=prompt,
-            task_id=storyboard_id,
+            media_type="image",
         )
         
-        if result and result.get("images"):
+        if result and result.url:
             # Download and save image
-            image_url = result["images"][0]
             import aiohttp
             import os
             
@@ -473,17 +470,26 @@ async def regenerate_frame_image(
             os.makedirs(output_dir, exist_ok=True)
             image_path = f"{output_dir}/frame_{frame_index}_regenerated.png"
             
-            async with aiohttp.ClientSession() as session:
-                async with session.get(image_url) as resp:
-                    if resp.status == 200:
-                        with open(image_path, 'wb') as f:
-                            f.write(await resp.read())
+            # Check if URL is remote or local
+            if result.url.startswith("http"):
+                async with aiohttp.ClientSession() as session:
+                    async with session.get(result.url) as resp:
+                        if resp.status == 200:
+                            with open(image_path, 'wb') as f:
+                                f.write(await resp.read())
+            else:
+                # Local file, copy it
+                import shutil
+                if os.path.exists(result.url):
+                    shutil.copy2(result.url, image_path)
+                else:
+                    image_path = result.url
             
             # Update frame
             target_frame["image_path"] = _path_to_url(image_path)
             _storyboard_cache[storyboard_id] = storyboard
             
-            logger.info(f"Regenerated image for frame {frame_id}")
+            logger.info(f"Regenerated image for frame {frame_id} via RunningHub")
             
             return RegenerateImageResponse(
                 image_path=target_frame["image_path"],