@a9i5k4/dsh-draw-gacha: 3D Gacha Lever Next to DSH Send Button

`@a9i5k4/dsh-draw-gacha` is a DeepSeek Harness Web plugin designed to add entertainment feedback to the session sending process. It adds a 3D realistic mechanical lever next to the native button in the input area; when the user pulls and releases the lever, the message is sent normally while triggering a pixel-art gacha animation based on real-time `reasoning` and `text` signals. The plugin monitors 10 types of text signals in real-time, supports bilingual (Chinese/English) and cross-shard buffering to ensure statistical accuracy. Result cards are revealed according to rarity, it features built-in Web Audio for background music, has no external asset dependencies, and fully supports `prefers-reduced-motion` and narrow screen layouts. It monitors streaming data via `llm/stream` and isolates sessions based on `sessionId`, and...