Module thumbnails 

Thumbnail cache and image-URL commands.

TRACES: UR-007 | JA-028 | DR-016

Structs

GetImageRequest

Request to get an image URL (with caching)

Statics

IMAGE_DOWNLOAD_SEMAPHORE 🔒

Limit concurrent image downloads to avoid saturating the connection pool. Without this, rendering a page with hundreds of album cards fires hundreds of concurrent HTTP requests, starving API calls and causing timeouts.

Functions

image_get_url

Get image as base64 data URL, caching if not already cached This extends the thumbnail system to serve all images through Rust with automatic caching

image_semaphore 🔒

mime_from_ext 🔒

thumbnail_clear_cache

Clear all cached thumbnails

thumbnail_delete_item

Delete cached thumbnails for a specific item

thumbnail_get_cached

Get cached thumbnail path, returns None if not cached Also updates last_accessed timestamp for LRU tracking

thumbnail_get_stats

Get thumbnail cache statistics

thumbnail_save

Download and save a thumbnail to cache Returns the local file path on success

thumbnail_set_limit

Set thumbnail cache storage limit in bytes