<h2>What's changed</h2> <ul> <li>Added a diff panel that opens beside the conversation in fullscreen mode and shows your uncommitted changes as Claude edits; toggle it with <code>/diff</code></li> <li>Added a likely cause for prompt-cache misses (e.g. tool definitions or system prompt changed, idle past the TTL) to <code>/cost</code> and the status line's <code>prompt_cache</code> field</li> <li>Added <code>/reload-plugins</code> to headless sessions, so it appears in the Claude Code Desktop and SDK command lists</li> <li>Added a text form of <code>/advisor</code> (<code>/advisor</code>, <code