Standardize API response envelopes: use items for collection responses and update tests

backend/app/models/jail.py

@@ -72,12 +72,33 @@ class JailListResponse(CollectionResponse[JailSummary]):
     pass
 
 
+class IgnoreListResponse(CollectionResponse[str]):
+    """Response for ``GET /api/jails/{name}/ignoreip``.
+
+    Returns the jailed ignore list as a standard collection response.
+    """
+
+    pass
+
+
 class JailDetailResponse(BaseModel):
-    """Response for ``GET /api/jails/{name}``."""
+    """Response for ``GET /api/jails/{name}``.
+
+    Includes the primary jail object together with supplemental metadata
+    required by the UI.
+    """
 
     model_config = ConfigDict(strict=True)
 
     jail: Jail
+    ignore_list: list[str] = Field(
+        default_factory=list,
+        description="List of IP addresses and networks currently ignored by the jail.",
+    )
+    ignore_self: bool = Field(
+        default=False,
+        description="Whether the jail ignores the server's own IP addresses.",
+    )
 
 
 class JailCommandResponse(CommandResponse):