feat: add support tickets and imrpove web app loading

tests/test_support_api_admin.py

@@ -0,0 +1,17 @@
+from bot.app.web.admin_api_impl.support import AdminTicketPatchPayload, AdminTicketReplyPayload
+
+
+def test_admin_patch_payload_accepts_closed_status_and_urgent_priority():
+    payload = AdminTicketPatchPayload.model_validate(
+        {"status": "closed", "priority": "urgent", "category": "billing"}
+    )
+
+    assert payload.status == "closed"
+    assert payload.priority == "urgent"
+
+
+def test_admin_reply_payload_supports_internal_note():
+    payload = AdminTicketReplyPayload.model_validate({"body": " note ", "is_internal_note": True})
+
+    assert payload.body == "note"
+    assert payload.is_internal_note is True