Revert model inference API switch; restore krea/Krea-2 Space call

Switch Krea 2 node to model inference API; add inference-api OAuth scope

Revert model inference API switch; restore krea/Krea-2 Space call

Switch Krea 2 node from Space call to model inference API in workflow.json

Update Krea 2 Space endpoint to /generate in workflow.json

Add fn key to fn operators in workflow.json to resolve execution routing

Hardcode model variant to Turbo and populate values in references

Expose initial values using 'in' key inside node data in workflow.json

Populate values in all schema properties inside workflow.json

Fix port IDs in workflow.json to resolve data flow and default values

Pre-wire all parameters with default Krea-2 Turbo app presets in workflow.json

Remove model variant reference to force Turbo mode only

Implement Krea-2 Gradio Workflow Space App