Add DECK Frontend - Vite + TypeScript migration

- Migrated vanilla JS frontend to Vite + TypeScript
- Modular architecture: views, components, utils, api, state
- Three-panel layout: libraries (left), content (center), detail (right)
- Group name resolution via hstTags (set_hst -> readable name)
- Name priority: name_es -> alias -> ref -> hash truncated
- D3.js lazy loading in GraphView
- Hash-based routing
- Deployed to tzzrdeck.me

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

hst-frontend-new/package.json

@@ -0,0 +1,19 @@
+{
+  "name": "deck-frontend",
+  "private": true,
+  "version": "0.0.0",
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "tsc && vite build",
+    "preview": "vite preview"
+  },
+  "devDependencies": {
+    "@types/d3": "^7.4.3",
+    "typescript": "~5.9.3",
+    "vite": "^7.2.4"
+  },
+  "dependencies": {
+    "d3": "^7.9.0"
+  }
+}