fix: align bundled email schema with delivery validation

contract-version.json

@@ -14,7 +14,7 @@
     },
     {
       "path": "src/intryc_delivery/contract/schemas/ticket-1.0.schema.json",
-      "sha256": "9389b3be4da3b58a81276d874b36ba8eee4876d6d2ae15ba604b2703a0673944"
+      "sha256": "3fa1ebcffbaac6e372182083a31c3a131d8036d3715954e092f0b5b288092a0f"
     },
     {
       "path": "src/intryc_delivery/contract/schemas/ticket-delivery-1.0.schema.json",

src/intryc_delivery/contract/schemas/ticket-1.0.schema.json

@@ -68,7 +68,7 @@
       "properties": {
         "source_user_id": {"$ref": "#/$defs/userReference"},
         "name": {"type": "string", "minLength": 1, "pattern": "\\S", "maxLength": 1024},
-        "email": {"type": "string", "format": "email"},
+        "email": {"type": "string", "format": "email", "pattern": "^\\s*[^@\\s]+@[^@\\s]+\\.[^@\\s]+\\s*$", "description": "Use a basic name@domain.tld email address. Surrounding whitespace is trimmed and letters are lowercased during import."},
         "role": {"$ref": "#/$defs/role"},
         "active": {"type": "boolean"},
         "created_at": {"type": "string", "format": "date-time"},

tests/test_email_validation.py

@@ -0,0 +1,29 @@
+import json
+
+import pytest
+
+from intryc_delivery.contract.semantic import ContractValidationError, parse_ticket
+from intryc_delivery.validation import schema_validators
+
+
+@pytest.mark.parametrize(
+    "email,accepted",
+    [
+        ("agent@example.com", True),
+        (" Agent+support@Sub.Example.com ", True),
+        ("agent@localhost", False),
+        ("agent@@example.com", False),
+        ("agent name@example.com", False),
+    ],
+)
+def test_email_schema_matches_validation(root, email, accepted):
+    ticket = json.loads((root / "ticket_details/written.json").read_bytes())
+    ticket["users"][0]["email"] = email
+    assert schema_validators()["ticket-1.0.schema.json"].is_valid(ticket) is accepted
+    if accepted:
+        validated = parse_ticket(ticket, expected_source_ticket_id=ticket["source_ticket_id"])
+        assert validated.data["users"][0]["email"] == email.strip().lower()
+    else:
+        with pytest.raises(ContractValidationError) as error:
+            parse_ticket(ticket, expected_source_ticket_id=ticket["source_ticket_id"])
+        assert "INVALID_USER_EMAIL" in {issue.code for issue in error.value.issues}