fix(web): queue structured prompts

web/src/styles.css

@@ -3064,6 +3064,7 @@ input.leaf-rename:focus {
 /* The composer is a sibling of the scrolling transcript, not part of it: it
    stays reachable at the pane edge without changing transcript scroll math. */
 .structured-composer {
+  position: relative;
   flex: 0 0 auto;
   margin: var(--sp-2) var(--sp-3) max(var(--sp-2), env(safe-area-inset-bottom));
   padding: var(--sp-1);
@@ -3081,6 +3082,19 @@ input.leaf-rename:focus {
     box-shadow var(--dur-fast) var(--ease-out);
 }
 
+.structured-queue {
+  position: absolute;
+  right: var(--sp-2);
+  bottom: calc(100% + var(--sp-1));
+  padding: 3px var(--sp-2);
+  border: 1px solid var(--border);
+  border-radius: var(--r-pill);
+  background: var(--surface);
+  color: var(--muted);
+  font-size: var(--fs-11);
+  box-shadow: var(--shadow-1);
+}
+
 .structured-composer:focus-within {
   border-color: var(--accent);
   box-shadow: