conversation-view 2

Session Workbench for DeepSeek Harness: session-library full-text search + recall + conversation-view management. 会话工作台：会话库（全文搜索历史会话，一键以 @引用 召回给 AI）+ 会话视图（管理会话标签栏 显示/隐藏 + 排序）（session search / recall / view management / 会话视图）.

DeepSeek Harness plugin: adds an "Execution graph" tab to the conversation view that reconstructs a per-turn directed graph of user prompts, model replies, and tool calls/results from session events, with per-reply folding of tool segments, a resizable pa