Implement email tab redesign, archive support, manual Q&A creation, URL linking, and question admin tools

- Add dedicated Emails tab with inbox/archive views and two-pane layout
- Implement archive/unarchive for contact submissions with persisted state
- Add manual question creation endpoint and admin form (non-contact origin)
- Implement URL auto-linking in Q&A answers with safe rendering
- Add question admin tools: search, filter (All/Pending/Approved/Answered/Unanswered), pagination
- Expand admin panel widths to reduce cramping
- Restore and enhance Asset Manager table layout
- Update email reply template with fixed from-address and HTML support

data/admin-reply-history.json

@@ -0,0 +1,15 @@
+{
+  "items": [
+    {
+      "id": "da3f5f52-f0a3-4a36-9f52-7938b82e899a",
+      "submissionId": "0c2e3dc4-5ee3-42e9-a81b-172bedc16713",
+      "toEmail": "hello@versebyversewithnate.us",
+      "toName": "NoAdmin Signup",
+      "fromEmail": "hello@versebyversewithnate.us",
+      "subject": "Thanks for reaching out to Verse by Verse with Nate",
+      "preview": "Thank you for reaching out.\n\nI appreciate your message and wanted to follow up personally. I just wanted to say thank you for your email.\n\n~Nate",
+      "sentAt": "2026-05-07T12:54:06.683Z"
+    }
+  ],
+  "updatedAt": "2026-05-07T12:54:06.685Z"
+}