chore: add media migration scripts, migrate media.

src/payload-types.ts

@@ -112,10 +112,12 @@ export interface Config {
   globals: {
     header: Header;
     footer: Footer;
+    'spa-media': SpaMedia;
   };
   globalsSelect: {
     header: HeaderSelect<false> | HeaderSelect<true>;
     footer: FooterSelect<false> | FooterSelect<true>;
+    'spa-media': SpaMediaSelect<false> | SpaMediaSelect<true>;
   };
   locale: null;
   widgets: {
@@ -1756,6 +1758,27 @@ export interface Footer {
   updatedAt?: string | null;
   createdAt?: string | null;
 }
+/**
+ * Central media map for legacy /spa images and videos. The migration script stores each original URL/path here and points it to a Payload media entry.
+ *
+ * This interface was referenced by `Config`'s JSON-Schema
+ * via the `definition` "spa-media".
+ */
+export interface SpaMedia {
+  id: number;
+  assets?:
+    | {
+        /**
+         * Original /spa image/video path or external URL, e.g. /images/gala-dinner.jpg.
+         */
+        source: string;
+        media: number | Media;
+        id?: string | null;
+      }[]
+    | null;
+  updatedAt?: string | null;
+  createdAt?: string | null;
+}
 /**
  * This interface was referenced by `Config`'s JSON-Schema
  * via the `definition` "header_select".
@@ -1874,6 +1897,22 @@ export interface FooterSelect<T extends boolean = true> {
   createdAt?: T;
   globalType?: T;
 }
+/**
+ * This interface was referenced by `Config`'s JSON-Schema
+ * via the `definition` "spa-media_select".
+ */
+export interface SpaMediaSelect<T extends boolean = true> {
+  assets?:
+    | T
+    | {
+        source?: T;
+        media?: T;
+        id?: T;
+      };
+  updatedAt?: T;
+  createdAt?: T;
+  globalType?: T;
+}
 /**
  * This interface was referenced by `Config`'s JSON-Schema
  * via the `definition` "collections_widget".