update: drag and drop + compression des textures

lib/upload-api.ts

@@ -56,9 +56,11 @@ export async function checkFolderDiffs(
   secret: string,
   signal?: AbortSignal,
 ): Promise<CheckResult> {
-  const params = new URLSearchParams({ folderName: folder.folderName, destination })
-  const res = await fetch(`/api/upload/check?${params}`, {
+  const formData = buildUploadFormData(folder, destination)
+  const res = await fetch('/api/upload/check', {
+    method: 'POST',
     headers: { 'x-upload-secret': secret.trim() },
+    body: formData,
     signal,
   })
 
@@ -73,39 +75,7 @@ export async function checkFolderDiffs(
     return { exists: false, diffs: [] }
   }
 
-  const remoteFiles: { name: string; size: number }[] = data.files || []
-  const remoteMap = new Map(remoteFiles.map((f) => [f.name.toLowerCase(), f.size]))
-
-  const diffs: FileDiff[] = []
-  const localNames = new Set<string>()
-
-  // Model: skip size comparison (compression changes the size).
-  const modelKey = folder.modelFile.name.toLowerCase()
-  localNames.add(modelKey)
-  if (!remoteMap.has(modelKey)) {
-    diffs.push({ name: folder.modelFile.name, status: 'new' })
-  }
-
-  // Textures: compare by size
-  for (const tex of folder.textures) {
-    const key = tex.name.toLowerCase()
-    localNames.add(key)
-    const remoteSize = remoteMap.get(key)
-    if (remoteSize === undefined) {
-      diffs.push({ name: tex.name, status: 'new' })
-    } else if (remoteSize !== tex.file.size) {
-      diffs.push({ name: tex.name, status: 'changed' })
-    }
-  }
-
-  // Deleted
-  for (const [name] of remoteMap) {
-    if (!localNames.has(name)) {
-      diffs.push({ name, status: 'deleted' })
-    }
-  }
-
-  return { exists: true, diffs }
+  return { exists: true, diffs: (data.diffs || []) as FileDiff[] }
 }
 
 // ---------------------------------------------------------------------------