Fix CLI version reporting

.changeset/fix-cli-version-reporting.md

@@ -0,0 +1,5 @@
+---
+"@shopify/shop-cli": patch
+---
+
+Fix `shop --version` and the User-Agent header reporting a stale hard-coded version.

src/constants.ts

@@ -1,10 +1,21 @@
+import { createRequire } from 'node:module'
+
+function readPackageVersion(): string {
+  const packageJson = createRequire(import.meta.url)('../package.json') as { version?: unknown }
+  if (typeof packageJson.version !== 'string' || packageJson.version.length === 0) {
+    throw new Error('package.json is missing a valid "version" field')
+  }
+  return packageJson.version
+}
+
 export const CLIENT_ID = '5c733ab2-1903-400a-891e-7ba20c09e2a3'
 export const DEFAULT_AGENT_NAME = 'Shop CLI'
 export const DEFAULT_COUNTRY = 'US'
 export const DEFAULT_PROFILE_URL =
   'https://shopify.dev/ucp/agent-profiles/2026-04-08/valid-with-capabilities.json'
 export const GLOBAL_CATALOG_MCP_URL = 'https://catalog.shopify.com/api/ucp/mcp'
-export const CLI_VERSION = '0.1.0'
+// Changesets updates package.json, so use it as the single source of truth.
+export const CLI_VERSION = readPackageVersion()
 export const USER_AGENT = `shop-cli/${CLI_VERSION}`
 // Authenticated global-catalog access uses a brokered RFC 8693 token exchange:
 // audience=api.shopify.com + requested_token_type=...access_token returns a

tests/version.test.ts

@@ -0,0 +1,25 @@
+import { readFileSync } from 'node:fs'
+import { describe, it } from 'node:test'
+
+import { createProgram } from '../src/cli.js'
+import { USER_AGENT } from '../src/constants.js'
+import { expect } from './harness.js'
+
+const packageJson = JSON.parse(
+  readFileSync(new URL('../package.json', import.meta.url), 'utf8'),
+) as { version?: unknown }
+
+describe('version metadata', () => {
+  it('the package version looks like a real semver, not a missing/blank field', () => {
+    expect(typeof packageJson.version).toBe('string')
+    expect(packageJson.version).toMatch(/^\d+\.\d+\.\d+/)
+  })
+
+  it('uses the package version for the CLI', () => {
+    expect(createProgram().version()).toBe(packageJson.version)
+  })
+
+  it('uses the package version for the User-Agent', () => {
+    expect(USER_AGENT).toBe(`shop-cli/${packageJson.version}`)
+  })
+})