Rename legacy storefront app and references to carplace

Replace storefront naming across source, tests, docs, config, and production scripts. Rename the legacy top-level app directory and Carplace component files, remove duplicate storefront startup scripts, and refresh the lockfile.

carplace/src/lib/appUrls.test.ts

@@ -0,0 +1,40 @@
+import { afterEach, describe, expect, it } from 'vitest'
+import { resolveBrowserAppUrl, resolveServerAppUrl } from './appUrls'
+
+function installWindow(hostname: string, protocol = 'https:') {
+  Object.defineProperty(globalThis, 'window', {
+    configurable: true,
+    value: { location: { hostname, protocol } },
+  })
+}
+
+afterEach(() => {
+  Reflect.deleteProperty(globalThis, 'window')
+})
+
+describe('carplace app URL resolution', () => {
+  it('leaves server-side browser fallback unchanged when window is unavailable', () => {
+    expect(resolveBrowserAppUrl('http://localhost:3000')).toBe('http://localhost:3000')
+  })
+
+  it('preserves localhost fallbacks but removes trailing slash', () => {
+    installWindow('localhost')
+    expect(resolveBrowserAppUrl('http://localhost:3000/')).toBe('http://localhost:3000')
+  })
+
+  it('rewrites production browser fallbacks to the active host and protocol', () => {
+    installWindow('www.rentaldrivego.ma', 'https:')
+    expect(resolveBrowserAppUrl('http://localhost:3000')).toBe('https://www.rentaldrivego.ma')
+  })
+
+  it('keeps path prefixes while rewriting the browser origin', () => {
+    installWindow('rental.example.com', 'https:')
+    expect(resolveBrowserAppUrl('http://localhost:3000/carplace')).toBe('https://rental.example.com/carplace')
+  })
+
+  it('resolves server URLs from forwarded host/proto and handles invalid fallbacks safely', () => {
+    expect(resolveServerAppUrl('http://localhost:3000', 'market.example.com', 'https')).toBe('https://market.example.com:3000')
+    expect(resolveServerAppUrl('http://localhost:3000', null)).toBe('http://localhost:3000')
+    expect(resolveServerAppUrl('/relative', 'market.example.com')).toBe('/relative')
+  })
+})