{"id":"COL-001","domain":"color_vfx","priority":100,"hard":true,"logic":"all","when":[{"path":"color.input_transform_known","op":"eq","value":false}],"then":[{"op":"add_flag","value":"UNKNOWN_INPUT_TRANSFORM"},{"op":"block","value":"grade"}],"rationale":"Incorrect source interpretation invalidates downstream color decisions.","tags":["color_management"],"category":"Color & VFX"}