Offer to drop an assistant's code block straight into the Scheduler editor

Plugin/unraid/pages/scheduler.php

@@ -2437,11 +2437,14 @@ if (document.getElementById('vv-sched-ai-chat')) {
       vvAiLastQ = q;
       return false;
     },
-    onTurn:     () => { vvAiFixArm(); requestAnimationFrame(vvFitRight); },
+    onTurn:     (answer) => { vvAiFixArm(); vvAiCodeArm(answer); requestAnimationFrame(vvFitRight); },
     // Expanding changes how much of the panel is left for the views above it. Without this the
     // chat grows downward past the end of the panel instead of upward into it.
     onResize:   () => requestAnimationFrame(vvFitRight),
-    onOffer:    (kind, yes) => { if (kind === 'fix') vvAiFixAnswer(yes); },
+    onOffer:    (kind, yes) => {
+      if (kind === 'fix')  vvAiFixAnswer(yes);
+      if (kind === 'code') vvAiCodeAnswer(yes);
+    },
   });
 }
 
@@ -2499,6 +2502,82 @@ let vvAiFixAsk   = null;   // { scope, symptom } while the offer is open and awa
 // Armed when a troubleshoot turn finishes. The question is the symptom; the scope is whatever was
 // being diagnosed. `since` guards against a run that had already completed before the diagnosis
 // started being read as proof that the diagnosis worked.
+// ── AI → editor handoff ──────────────────────────────────────────────────────────────────────
+// Asking the assistant for a script and then hand-selecting it out of the transcript is the one
+// step in this tab that is pure friction — and a transcript selection loses leading whitespace
+// the moment a line wraps, which for bash is not cosmetic. When the editor is open and an answer
+// carries a real code block, offer to place it instead.
+//
+// It is an offer, never automatic: the editor usually holds work in progress, and a reply that
+// silently rewrote it would be far worse than copy/paste.
+
+let vvAiCodePending = null;
+
+// Largest fenced block wins when an answer carries several — an explanation typically quotes a
+// line or two before giving the whole thing, and the whole thing is what was asked for. A shebang
+// beats size outright, since that is unambiguously a script rather than an excerpt.
+function vvAiCodeExtract(text) {
+  if (!text) return '';
+  const blocks = [];
+  const re = /```[a-zA-Z0-9_+-]*\n([\s\S]*?)```/g;
+  let m;
+  while ((m = re.exec(text)) !== null) blocks.push(m[1].replace(/\s+$/, ''));
+  if (!blocks.length) return '';
+  const shebang = blocks.find(b => b.startsWith('#!'));
+  return shebang || blocks.sort((a, b) => b.length - a.length)[0];
+}
+
+// display:'' vs 'none' is how this panel switches views — see vvShowEditor and friends.
+function vvAiEditorOpen() {
+  const ed = document.getElementById('vv-editor');
+  return !!ed && ed.style.display !== 'none';
+}
+
+function vvAiCodeArm(answer) {
+  vvAiCodePending = null;
+  if (!vvSchedChat || !vvAiEditorOpen()) return;
+
+  const code = vvAiCodeExtract(answer);
+  // A single short line is a mention, not a script. Offering on those turns every answer into a
+  // question and trains the operator to ignore the buttons.
+  if (!code || (code.length < 40 && code.indexOf('\n') === -1)) return;
+
+  vvAiCodePending = code;
+  const lines = code.split('\n').length;
+  vvSchedChat.offer('code', 'Insert that ' + lines + '-line block into the editor at your cursor?');
+}
+
+function vvAiCodeAnswer(yes) {
+  const code = vvAiCodePending;
+  vvAiCodePending = null;
+  if (!yes || !code) return;
+
+  const ta = document.getElementById('vv-editor-body');
+  // They may have switched views between the answer and the click. Inserting into a hidden
+  // textarea would look like nothing happened and be discovered much later.
+  if (!ta || !vvAiEditorOpen()) {
+    vvSchedChat.note('The editor is no longer open — nothing was inserted.');
+    return;
+  }
+
+  // Commit the pre-insert state immediately. Without the flag, the 600ms coalescing window can
+  // merge this with whatever was typed just before it, and one Ctrl+Z would take back both.
+  vvUndoCapture(true);
+
+  const s = ta.selectionStart, e = ta.selectionEnd;
+  ta.value = ta.value.slice(0, s) + code + ta.value.slice(e);
+  ta.selectionStart = ta.selectionEnd = s + code.length;
+
+  // A programmatic value change fires no input event, so the highlight overlay, the line gutter
+  // and the current-line marker all keep rendering the old text until these are called by hand.
+  vvUndoCapture(true);
+  vvSyncHlOverlay();
+  vvEditorCursorMoved();
+  ta.focus();
+
+  vvSchedChat.note('Inserted at the cursor. Ctrl+Z in the editor takes it back.');
+}
+
 function vvAiFixArm() {
   if (vvAiProfile !== 'troubleshoot' || !vvAiScope) return;
   vvAiFixWatch = {