dsh-helloai-works: DeepSeek Harness Card Knowledge Base

The DeepSeek Harness memory plugin supports managing text and image content using tags and cards. Card content can be organized into blocks, with support for renaming, tag merging, and content search. Users can input `@` in a conversation to quickly reference individual cards or tag groups. The plugin stores images using SHA-1 and features automatic saving, optimistic locking, and a snapshot mechanism, with data persisted in a local folder. Installation requires the official command, and data remains available after uninstallation.