Model-driven context management (Active Context Pruning / ACP) for the DeepSeek Harness — the model decides when and what to compress. Ported from billion-context-pi (ranxianglei); acp-kernel reused verbatim. CompactionEngine backend with compress/decompress/search_context/acp_status tools.
A client plugin for the DeepSeek Harness Web GUI that adds chat content width tiers with a floating picker button (bottom-right, above the composer): 标准 / 中等 / 宽 / 超宽 / 全宽 (standard / medium / wide / ultra / full).
Leisure games client plugin for DeepSeek Harness (dsh): Tetris, Snake, skill Gomoku and Minesweeper with a playtime limit, agent notifications, custom colors and hardened persisted state.