Fix Bria model CFGScale validation and add image parameter to inference inputs

- Cast CFGScale to int for Bria models to fix API validation error (Bria requires integer, not float)
- Add 'image' parameter to Runware Image Inference Inputs node
- Fix CFGScale handling to properly validate and format for Bria models
- Add workflow file for Bria Fibo image inference

modules/utils/runwareUtils.py

@@ -113,7 +113,7 @@ def getCustomEndpoint():
     custom_endpoint = os.getenv("RUNWARE_CUSTOM_ENDPOINT")
     if custom_endpoint and isinstance(custom_endpoint, str):
         return custom_endpoint
-    return "https://api.runware.ai/v1"
+    return "https://api.runware.dev/v1"
 
 SESSION_TIMEOUT = getTimeout()
 RUNWARE_API_KEY = getAPIKey()