feat: add EmergencyVerificationStatus enum and status predicate helpers

Add EmergencyVerificationStatus enum (pending, approved, rejected) and
is_pending, is_approved, is_rejected property helpers to
EmergencyVerification, matching the Ruby SDK pattern.

Author: Fivell

src/didww/enums.py

@@ -81,6 +81,12 @@ class DefaultDstAction(str, Enum):
     REJECT_ALL = "reject_all"
 
 
+class EmergencyVerificationStatus(str, Enum):
+    PENDING = "pending"
+    APPROVED = "approved"
+    REJECTED = "rejected"
+
+
 class EmergencyCallingServiceStatus(str, Enum):
     ACTIVE = "active"
     CANCELED = "canceled"

src/didww/resources/emergency_verification.py

@@ -1,12 +1,13 @@
-from didww.resources.base import DidwwApiModel, DatetimeAttributeField, SafeAttributeField, RelationField, Repository
+from didww.enums import EmergencyVerificationStatus
+from didww.resources.base import DidwwApiModel, DatetimeAttributeField, SafeAttributeField, EnumAttributeField, RelationField, Repository
 
 
 class EmergencyVerification(DidwwApiModel):
     """Emergency Verification resource.
 
     Attributes:
         reference (str): Verification reference code.
-        status (str): One of "pending", "approved", "rejected".
+        status (EmergencyVerificationStatus): One of pending, approved, rejected.
         reject_reasons (list[str] | None): List of reject reason codes when status is "rejected".
         reject_comment (str | None): Optional free-form comment accompanying a rejection.
         callback_url (str): Valid URI for callbacks.
@@ -18,7 +19,7 @@ class EmergencyVerification(DidwwApiModel):
     _writable_attrs = {"callback_url", "callback_method", "external_reference_id"}
 
     reference = SafeAttributeField("reference")
-    status = SafeAttributeField("status")
+    status = EnumAttributeField("status", EmergencyVerificationStatus)
     reject_reasons = SafeAttributeField("reject_reasons")
     reject_comment = SafeAttributeField("reject_comment")
     callback_url = SafeAttributeField("callback_url")
@@ -33,6 +34,18 @@ class EmergencyVerification(DidwwApiModel):
     class Meta:
         type = "emergency_verifications"
 
+    @property
+    def is_pending(self):
+        return self.status == EmergencyVerificationStatus.PENDING
+
+    @property
+    def is_approved(self):
+        return self.status == EmergencyVerificationStatus.APPROVED
+
+    @property
+    def is_rejected(self):
+        return self.status == EmergencyVerificationStatus.REJECTED
+
 
 class EmergencyVerificationRepository(Repository):
     _resource_class = EmergencyVerification

tests/resources/test_emergency_verification.py

@@ -1,12 +1,41 @@
 from datetime import datetime, timezone
 
 from tests.conftest import my_vcr
+from didww.enums import EmergencyVerificationStatus
 from didww.resources.emergency_verification import EmergencyVerification
 from didww.resources.address import Address
 from didww.resources.emergency_calling_service import EmergencyCallingService
 from didww.resources.did import Did
 
 
+class TestEmergencyVerificationStatusHelpers:
+    def test_is_pending(self):
+        ev = EmergencyVerification()
+        ev.status = EmergencyVerificationStatus.PENDING
+        assert ev.is_pending is True
+        assert ev.is_approved is False
+        assert ev.is_rejected is False
+
+    def test_is_approved(self):
+        ev = EmergencyVerification()
+        ev.status = EmergencyVerificationStatus.APPROVED
+        assert ev.is_approved is True
+        assert ev.is_pending is False
+        assert ev.is_rejected is False
+
+    def test_is_rejected(self):
+        ev = EmergencyVerification()
+        ev.status = EmergencyVerificationStatus.REJECTED
+        assert ev.is_rejected is True
+        assert ev.is_pending is False
+        assert ev.is_approved is False
+
+    def test_status_enum_from_string(self):
+        ev = EmergencyVerification()
+        ev.status = "pending"
+        assert ev.status == EmergencyVerificationStatus.PENDING
+
+
 class TestEmergencyVerification:
     @my_vcr.use_cassette("emergency_verifications/list.yaml")
     def test_list_emergency_verifications(self, client):