feat(fc2c-i): front-door redirect, /gallery move, discovery routes

frontend/test/router.spec.js

@@ -0,0 +1,24 @@
+import { describe, it, expect } from 'vitest'
+import router, { FRONT_DOOR } from '../src/router.js'
+
+describe('router', () => {
+  it('FRONT_DOOR defaults to /showcase', () => {
+    expect(FRONT_DOOR).toBe('/showcase')
+  })
+
+  it('/ redirects to FRONT_DOOR', () => {
+    const resolved = router.resolve('/')
+    expect(resolved.path).toBe(FRONT_DOOR)
+  })
+
+  it('gallery is reachable at /gallery', () => {
+    expect(router.resolve('/gallery').name).toBe('gallery')
+  })
+
+  it('showcase, tags, artist resolve to named routes', () => {
+    expect(router.resolve('/showcase').name).toBe('showcase')
+    expect(router.resolve('/tags').name).toBe('tags')
+    expect(router.resolve('/artist/some-slug').name).toBe('artist')
+    expect(router.resolve('/artist/some-slug').params.slug).toBe('some-slug')
+  })
+})