Uploaded images don't show thumbnails in the Media Library (local provider)

Uploaded images don't show thumbnails in the Media Library (local provider): a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). I'm running a fresh Strapi project with the default upload provider (local, files stored under /uploads ). After uploading an image through…

The task

I'm running a fresh Strapi project with the default upload provider (local, files stored under `/uploads`). After uploading an image through the Media Library, the asset card for that image stays blank — the thumbnail never renders. The card frame, filename, and metadata show up fine, but where the image preview…

Part of FineEnvs/MiMo-V2.6-RL-harbor-code.