feat: fetch for the assistant with Поиск on - a page's main text for the model, the server's own network out of reach; shorter words in Настройки and the chat; the + menu's roots a step left. Also files from panes into the chat, docview and drag fixes (by the user)

internal/server/web/static/wsutil.js

@@ -48,11 +48,11 @@
   // closed ``` blocks headed run [machine], read|ls [machine:]path or
   // write [machine:]path (its body the file's text).
   function parseActions(text) {
-    const out = [], re = /```(run|read|ls|write|search)([^\n]*)\n([\s\S]*?)```/g;
+    const out = [], re = /```(run|read|ls|write|search|fetch)([^\n]*)\n([\s\S]*?)```/g;
     for (let m; (m = re.exec(text));) {
       const kind = m[1], head = m[2].trim(), body = m[3].replace(/\n$/, '');
       if (kind === 'run') { out.push({kind, machine: head, path: '', body}); continue; }
-      if (kind === 'search') { out.push({kind, machine: '', path: '', body: (head + '\n' + body).trim()}); continue; }
+      if (kind === 'search' || kind === 'fetch') { out.push({kind, machine: '', path: '', body: (head + '\n' + body).trim()}); continue; }
       const c = head.indexOf(':');
       const machine = c > 0 && !head.startsWith('/') ? head.slice(0, c) : '';
       out.push({kind, machine, path: machine ? head.slice(c + 1) : head, body: kind === 'write' ? body : ''});