Chat history TOC for DeepSeek Harness

Key features

• Auto-generatedonly real user questions (user messages) are listed — Tool / Thinking / Command / injected-context noise is filtered out, so even long agent sessions stay navigable.
• Data sourcesession snapshot s.chat.order + s.chat.nodes.get(key), filtered to kind === "user".
• Auto-pagingwhile the tab is active it keeps loading older history (50 messages per page) until the whole session log is in the client window — the directory is complete without manually scrolling the chat area.
• Zero conflictsregistered as a conversation.view session tab (side by side with the official "Trajectory" tab) — it does not occupy the details slot, so the official tool-call detail panel keeps working untouched.