Open the dashboard chat collapsed, every time

A size remembered from days ago would push the cards below it down on every load, with nothing
on the page to explain why.

Plugin/unraid/include/ai_chat.php

@@ -685,8 +685,13 @@ vv_ai_profiles_script();
 
     // ── Expand / collapse ────────────────────────────────────────────────
     // Both heights come from the markup, so the page decides them and this only switches
-    // between them. Remembered per instance: the dashboard chat and the tab's are different
-    // sizes for different reasons, and a shared key would make one of them wrong.
+    // between them.
+    //
+    // Deliberately not remembered. The only instance with this control lives on the Monitor
+    // dashboard, which is a page you open to glance at something else — a chat left expanded
+    // days ago would push every card below it down on each load, and the cause would be
+    // invisible to whoever eventually wondered why. Expanding is for the reading being done
+    // now, so the page always opens collapsed.
     //
     // Scroll position is pinned to the bottom afterwards. Growing the box leaves the transcript
     // scrolled where it was, which puts the newest answer off-screen at the exact moment you
@@ -696,7 +701,6 @@ vv_ai_profiles_script();
       const el   = chatEl();
       const base = el.dataset.h || '';
       const tall = el.dataset.hTall || '';
-      const KEY  = 'vv-ai-tall-' + P;
       const apply = big => {
         if (!base || !tall) return;
         el.style.height     = big ? tall : base;
@@ -705,12 +709,7 @@ vv_ai_profiles_script();
         growBtn.classList.toggle('vv-ai-grow-on', big);
         scroll();
       };
-      growBtn.addEventListener('click', () => {
-        const big = el.style.height !== tall;
-        localStorage.setItem(KEY, big ? '1' : '0');
-        apply(big);
-      });
-      if (localStorage.getItem(KEY) === '1') apply(true);
+      growBtn.addEventListener('click', () => apply(el.style.height !== tall));
     }
 
     // Surface any script error into the transcript. Without it a throw anywhere on the page is