lightflow-mask-compose

# LightFlow Mask Compose Use `lightflow.mask_compose` to combine two PNG masks into a grayscale mask artifact for image editing or inpainting workflows. ## Workflow - Workflow id: `lightflow.mask_compose` - Runtime ownership: this workflow crate owns its public `execute()` entry and exposes it through the `lightflow-mask-compose-runner` package binary. - Host engine: `package.command.v1`; discovery, help, and plan do not execute package source. - Input values are validated against their declared JSON types without string coercion. - Runtime: `lightflow.mask.compose`. - Inputs: `mask_a_path`, `mask_b_path`, optional `mode`, optional `output_path`. - Modes: `max`, `add`, `multiply`, `min`, `subtract`, `union`, `intersect`. - Outputs: `mask`, `mask_path`, `mode`. ## Usage ```bash lfw run lightflow.mask_compose -i mask_a_path=mask-a.png -i mask_b_path=mask-b.png -i mode=max ``` ## API Usage Start `lfw serve`, then call the workflow through the shared HTTP run contract. Adjust `inputs` to match the workflow contract above. ```bash curl -sS -X POST http://127.0.0.1:5174/workflows/lightflow.mask_compose/run \ -H 'content-type: application/json' \ -d '{"inputs":{}}' ```