feat: migrate to new shadcn, unify design tokens (#690)

* feat(ui): add new shadcn-vue setup

* feat: migrate to new shadcn, unify design tokens

Author: antonreshetov

.claude/settings.json

@@ -0,0 +1,5 @@
+{
+  "enabledPlugins": {
+    "frontend-design@claude-plugins-official": true
+  }
+}

AGENTS.md

@@ -7,7 +7,7 @@ Follow these rules strictly when generating code for massCode.
 
 - **Framework:** Vue 3 (Composition API, `<script setup lang="ts">`)
 - **Styling:** TailwindCSS v4 (`@tailwindcss/vite`), `tailwind-merge`, `cva`
-- **UI:** Custom components (`src/renderer/components/ui`), Shadcn (based on `radix-vue`), `lucide-vue-next` icons
+- **UI:** Custom components (`src/renderer/components/ui`), Shadcn (based on `reka-ui`), `lucide-vue-next` icons
 - **State:** Vue Composables (No Vuex/Pinia)
 - **Backend:** Electron (Main), `better-sqlite3` (DB), Elysia.js (API)
 - **Utilities:** `@vueuse/core`, `vue-sonner` (Notifications)

components.json

@@ -0,0 +1,21 @@
+{
+  "$schema": "https://shadcn-vue.com/schema.json",
+  "style": "new-york",
+  "typescript": true,
+  "tailwind": {
+    "config": "",
+    "css": "src/renderer/styles.css",
+    "baseColor": "neutral",
+    "cssVariables": true,
+    "prefix": ""
+  },
+  "iconLibrary": "lucide",
+  "aliases": {
+    "components": "@/components",
+    "utils": "@/utils",
+    "ui": "@/components/ui/shadcn2",
+    "lib": "@/utils",
+    "composables": "~/composables"
+  },
+  "registries": {}
+}

package.json

@@ -84,7 +84,7 @@
     "nearest-color": "^0.4.4",
     "onigasm": "^2.2.5",
     "prettier": "^3.5.3",
-    "radix-vue": "^1.9.17",
+    "reka-ui": "^2.9.0",
     "sanitize-html": "^2.15.0",
     "slash": "^3.0.0",
     "slugify": "^1.6.6",
@@ -127,13 +127,15 @@
     "sass": "^1.85.1",
     "simple-git-hooks": "^2.11.1",
     "tailwindcss": "^4.0.9",
+    "tw-animate-css": "^1.4.0",
     "typescript": "^5.7.3",
     "unplugin-auto-import": "^19.1.0",
     "unplugin-vue-components": "^28.4.0",
     "vite": "^6.1.1",
     "vitest": "^4.0.18",
     "vue": "^3.5.13",
-    "vue-router": "^4.5.0"
+    "vue-router": "^4.5.0",
+    "vue-tsc": "^3.2.5"
   },
   "pnpm": {
     "onlyBuiltDependencies": [