Remove dead admin routes and broken UI elements; v1.1.45

- Deleted ~24 unused API routes from contact.js (email inbox/CRM feature
  never wired to frontend): reply, compose, draft, broadcast, webhooks,
  audit-log, contact CRUD, merge, import, and health endpoints
- Removed dead imports from contact.js (config, data, email modules)
- Removed broken /email Link from admin dashboard Inbox card
- Cleaned up AdminView type: removed unreachable 'current-series' and
  'episode-highlights' top-level values (only valid as podcast sub-tabs)

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

package.json

@@ -1,7 +1,7 @@
 {
   "name": "siteforge",
   "private": true,
-  "version": "1.1.44",
+  "version": "1.1.45",
   "type": "module",
   "scripts": {
     "dev": "vite",