feat: implement deploy command with SSH support and context management

src/lib/env.ts

@@ -0,0 +1,18 @@
+import { z } from "zod";
+
+const deployEnvSchema = z.object({
+  REMOTE_HOST: z.string().min(1),
+  REMOTE_USER: z.string().min(1),
+  REMOTE_PATH: z.string().min(1),
+  REMOTE_PORT: z.coerce.number().int().positive().default(22),
+  SSH_PRIVATE_KEY: z.string().optional(),
+  CACHE_DIR: z.string().default("/cache/wpop"),
+  WP_VERSION: z.string().default("latest"),
+  WP_LOCALE: z.string().default("fr_CA"),
+});
+
+export type DeployEnv = z.infer<typeof deployEnvSchema>;
+
+export function readDeployEnv(env: NodeJS.ProcessEnv = process.env): DeployEnv {
+  return deployEnvSchema.parse(env);
+}