Validate using zod instead of type casting

Whenever we are parsing unknown json where we know the shape the object should have but it is not typed from source, it is worth the extra effort to use zod so we get both type and runtime safety.

Instead of doing:

type DeploymentCreateBody = {
  deploymentName: string,
  deploymentType: "CLOUD" | "SELFHOSTED",

const { deploymentName, deploymentType } = req.body as DeploymentCreateBody;


const deploymentCreateSchema = z.object({
  deploymentName: z.string().min(1),
  deploymentType: z.nativeEnum(DeploymentType),

const { deploymentName, deploymentType } = deploymentCreateSchema.parse(req.body);

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