feat: add perstack validate and perstack schema CLI commands

.changeset/validate-schema-create-expert-v2.md

@@ -0,0 +1,6 @@
+---
+"perstack": patch
+"@perstack/perstack-toml": patch
+---
+
+feat: add `perstack validate` and `perstack schema` CLI commands, rewrite create-expert v2.0.0

apps/perstack/bin/cli.ts

@@ -14,6 +14,8 @@ import {
   getPerstackConfig,
   getPerstackConfigOrDefault,
   loadLockfile,
+  printPerstackSchema,
+  validatePerstackConfigFile,
 } from "@perstack/perstack-toml"
 import {
   applicationsListHandler,
@@ -202,6 +204,30 @@ program
     await installHandler({ configPath, perstackConfig, envPath: options.envPath })
   })
 
+// Validation and schema commands
+program
+  .command("validate")
+  .description("Validate a perstack.toml file against the schema")
+  .argument("<path>", "Path to perstack.toml file to validate")
+  .action(async (pathArg: string) => {
+    const result = await validatePerstackConfigFile(pathArg)
+    if (result.valid) {
+      console.log("Valid")
+    } else {
+      for (const error of result.errors) {
+        console.error(error)
+      }
+      process.exit(1)
+    }
+  })
+
+program
+  .command("schema")
+  .description("Print the perstack.toml schema reference")
+  .action(() => {
+    console.log(printPerstackSchema())
+  })
+
 // Expert management commands
 function getParentOptions(cmd: InstanceType<typeof Command>) {
   const parent = cmd.parent?.opts() as { apiKey?: string; baseUrl?: string } | undefined