feat: add support tickets and imrpove web app loading

tests/test_support_api_user.py

@@ -0,0 +1,25 @@
+import pytest
+from pydantic import ValidationError
+
+from bot.app.web.webapp.payloads import CreateTicketPayload, TicketReplyPayload
+
+
+def test_user_ticket_payload_accepts_only_public_priorities():
+    payload = CreateTicketPayload.model_validate(
+        {"subject": "Help", "category": "technical", "priority": "high", "body": "Text"}
+    )
+
+    assert payload.priority == "high"
+
+
+def test_user_ticket_payload_rejects_admin_only_priority():
+    with pytest.raises(ValidationError):
+        CreateTicketPayload.model_validate(
+            {"subject": "Help", "category": "technical", "priority": "urgent", "body": "Text"}
+        )
+
+
+def test_ticket_reply_trims_body():
+    payload = TicketReplyPayload.model_validate({"body": "  hello  "})
+
+    assert payload.body == "hello"