Make sick emoji confetti a fullscreen downward spew with morph.

🤢 now fills the viewport, morphs to 🤮 while particles spawn, hides the jumbo stand-in cleanly, and keeps green droplets out of the face morph.

src/app/features/room/emoji-confetti/findJumboMount.ts

@@ -6,6 +6,60 @@ export function findJumboEmojiElement(targetEventId: string): HTMLElement | null
   return jumbo instanceof HTMLElement ? jumbo : null;
 }
 
+export type JumboGlyphMetrics = {
+  /** Outer jumbo mount (message body) — hide/show this. */
+  mount: HTMLElement;
+  /** Visual glyph center in viewport coords. */
+  x: number;
+  y: number;
+  /** CSS px size matching the rendered emoji (usually computed font-size). */
+  size: number;
+};
+
+/**
+ * Measure the on-screen jumbo glyph. Prefer computed font-size so the canvas
+ * stand-in matches unicode emoji; fall back to the glyph box for images.
+ */
+export function measureJumboGlyph(targetEventId: string): JumboGlyphMetrics | null {
+  const mount = findJumboEmojiElement(targetEventId);
+  if (!mount) return null;
+
+  const glyph =
+    (mount.querySelector('[data-emoticon]') as HTMLElement | null) ||
+    (mount.querySelector('img') as HTMLElement | null) ||
+    mount;
+
+  const rect = glyph.getBoundingClientRect();
+  const fontSize =
+    parseFloat(getComputedStyle(glyph).fontSize) ||
+    parseFloat(getComputedStyle(mount).fontSize) ||
+    0;
+
+  const isImg = glyph instanceof HTMLImageElement || glyph.tagName === 'IMG';
+  const size = isImg
+    ? Math.max(rect.width, rect.height)
+    : fontSize > 0
+      ? fontSize
+      : Math.max(rect.width, rect.height);
+
+  return {
+    mount,
+    x: rect.left + rect.width / 2,
+    y: rect.top + rect.height / 2,
+    size,
+  };
+}
+
+export function setJumboEmojiHidden(targetEventId: string, hidden: boolean) {
+  const mount = findJumboEmojiElement(targetEventId);
+  if (!mount) return;
+  if (hidden) {
+    mount.style.visibility = 'hidden';
+  } else {
+    mount.style.removeProperty('visibility');
+  }
+}
+
 export function getLocalBurstCanvasSize(maskRadius: number): number {
   return Math.max(300, Math.round(maskRadius * 6.5));
 }