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

frontend/src/router.js

@@ -2,13 +2,25 @@ import { createRouter, createWebHistory } from 'vue-router'
 import PlaceholderView from './views/PlaceholderView.vue'
 import SettingsView from './views/SettingsView.vue'
 import GalleryView from './views/GalleryView.vue'
+import ShowcaseView from './views/ShowcaseView.vue'
+import TagsView from './views/TagsView.vue'
+import ArtistView from './views/ArtistView.vue'
+
+// The application's front door. `/` redirects here. Changing the front door
+// is a one-line edit (e.g. '/gallery' or '/tags').
+export const FRONT_DOOR = '/showcase'
 
 const routes = [
+  // Root is a redirect only — no meta.title so it stays out of the nav.
+  { path: '/', redirect: FRONT_DOOR },
+
   // FC-2: image backbone
-  { path: '/',          name: 'gallery',       component: GalleryView,    meta: { title: 'Gallery'      } },
-  { path: '/showcase',  name: 'showcase',      component: PlaceholderView, meta: { title: 'Showcase'     } },
-  { path: '/tags',      name: 'tags',          component: PlaceholderView, meta: { title: 'Tags'         } },
-  { path: '/settings',  name: 'settings',      component: SettingsView,    meta: { title: 'Settings'     } },
+  { path: '/gallery',  name: 'gallery',  component: GalleryView,  meta: { title: 'Gallery'  } },
+  { path: '/showcase', name: 'showcase', component: ShowcaseView, meta: { title: 'Showcase' } },
+  { path: '/tags',     name: 'tags',     component: TagsView,     meta: { title: 'Tags'     } },
+  // Artist detail — no meta.title (reached by clicking an artist, not nav).
+  { path: '/artist/:slug', name: 'artist', component: ArtistView },
+  { path: '/settings', name: 'settings', component: SettingsView, meta: { title: 'Settings' } },
 
   // FC-3: subscription backbone
   { path: '/subscriptions', name: 'subscriptions', component: PlaceholderView, meta: { title: 'Subscriptions' } },
@@ -16,7 +28,9 @@ const routes = [
   { path: '/downloads',     name: 'downloads',     component: PlaceholderView, meta: { title: 'Downloads'     } }
 ]
 
-export default createRouter({
+const router = createRouter({
   history: createWebHistory(),
   routes
 })
+
+export default router

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')
+  })
+})