refactor: rename package scope from @sexy.pivoine.art to @sexy

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

packages/frontend/package.json

@@ -1,5 +1,5 @@
 {
-  "name": "@sexy.pivoine.art/frontend",
+  "name": "@sexy/frontend",
   "version": "1.0.0",
   "type": "module",
   "private": true,
@@ -11,7 +11,7 @@
     "check": "svelte-check --tsconfig ./tsconfig.json --threshold warning"
   },
   "devDependencies": {
-    "@sexy.pivoine.art/buttplug": "workspace:*",
+    "@sexy/buttplug": "workspace:*",
     "@iconify-json/ri": "^1.2.10",
     "@iconify/tailwind4": "^1.2.1",
     "@internationalized/date": "^3.12.0",
@@ -40,7 +40,7 @@
     "vite": "^7.3.1"
   },
   "dependencies": {
-    "@sexy.pivoine.art/types": "workspace:*",
+    "@sexy/types": "workspace:*",
     "graphql": "^16.11.0",
     "graphql-request": "^7.1.2",
     "javascript-time-ago": "^2.6.4",