R2 storage from env + filename normalization

src/modules/storage/buildR2Storage.ts

@@ -1,4 +1,5 @@
 import type { Plugin } from 'payload'
+
 import { s3Storage } from '@payloadcms/storage-s3'
 
 /**
@@ -37,15 +38,21 @@ export const buildR2Storage = (collections: string[] = ['media']): Plugin => {
     }
   }
 
-  const collectionsConfig = Object.fromEntries(collections.map((slug) => [slug, true]))
+  // s3Storage wants Record<string, true> (the literal true, per collection),
+  // not Record<string, boolean>. Object.fromEntries widens true → boolean, so
+  // build the map with an explicitly-typed accumulator to keep the literal.
+  const collectionsConfig: Record<string, true> = {}
+  for (const slug of collections) {
+    collectionsConfig[slug] = true
+  }
 
   return s3Storage({
-    collections: collectionsConfig,
     bucket,
+    collections: collectionsConfig,
     config: {
+      credentials: { accessKeyId, secretAccessKey },
       endpoint,
       region: 'auto', // R2 uses 'auto'
-      credentials: { accessKeyId, secretAccessKey },
       // R2 requires path-style addressing for S3 compatibility.
       forcePathStyle: true,
     },