Ensure all MediaProxy settings are grouped together

config/description.exs

@@ -1633,6 +1633,68 @@ config :pleroma, :config_description, [
         suggestions: ["https://example.com"]
       },
       %{
+        key: :invalidation,
+        type: :keyword,
+        description: "Cache invalidation for MediaProxy",
+        suggestions: [
+          enabled: false,
+          provider: Pleroma.Web.MediaProxy.Invalidation.Script
+        ],
+        children: [
+          %{
+            key: :enabled,
+            type: :boolean,
+            description: "Enable cache invalidation when object is deleted."
+          },
+          %{
+            key: :provider,
+            type: {:dropdown, :atom},
+            suggestions: [
+              "Pleroma.Web.MediaProxy.Invalidation.Http",
+              "Pleroma.Web.MediaProxy.Invalidation.Script"
+            ],
+            description: "Invalidate cached objects via HTTP or a custom script."
+          }
+        ]
+      },
+      %{
+        key: Pleroma.Web.MediaProxy.Invalidation.Http,
+        type: :group,
+        description: "MediaProxy Cache Invalidation Http Settings",
+        children: [
+          %{
+            key: :method,
+            type: :string,
+            description: "HTTP method for invalidation requests.",
+            suggestions: ["purge"]
+          },
+          %{
+            key: :headers,
+            type: :string,
+            description: "Additional HTTP headers for invalidation requests."
+          },
+          %{
+            key: :options,
+            type: :string,
+            description: "Additional HTTP request options for invalidation requests."
+          }
+        ]
+      },
+      %{
+        key: Pleroma.Web.MediaProxy.Invalidation.Script,
+        type: :group,
+        description: "MediaProxy Cache Invalidation Script Settings",
+        children: [
+          %{
+            key: :script_path,
+            type: :string,
+            description:
+              "Path to a custom script to automate cache invalidation." <>
+                "See `installation/nginx-cache-purge.sh.example` for additional help."
+          }
+        ]
+      },
+      %{
         key: :proxy_opts,
         type: :keyword,
         description: "Options for Pleroma.ReverseProxy",