From 2c7da5bdb1966672077e27153e00d37aa646db03 Mon Sep 17 00:00:00 2001
From: a-baran-orhan <a.baranorhan@gmail.com>
Date: Fri, 17 Jul 2026 23:05:40 +0300
Subject: [PATCH] Refine landing overlay and library order

---
 playground/index.html                 |  7 ++----
 playground/src/landing.css            | 24 ++++++++++++++++----
 playground/src/library-order.ts       | 14 ++++++++++++
 playground/src/main.ts                | 17 ++++++++------
 playground/test/library-order.test.ts | 32 +++++++++++++++++++++++++++
 5 files changed, 78 insertions(+), 16 deletions(-)
 create mode 100644 playground/src/library-order.ts
 create mode 100644 playground/test/library-order.test.ts

diff --git a/playground/index.html b/playground/index.html
index f4009c4..0ab566d 100644
--- a/playground/index.html
+++ b/playground/index.html
@@ -177,12 +177,9 @@ <h1 class="headline">
           <div class="studio-hud"><span id="hero-phase">Drop into the landing</span></div>
         </div>
 
-        <!-- Contact-phase excerpt, kept below the viewer so it never hides the motion. -->
+        <!-- Compact contact-phase excerpt, pinned above the motion on wide screens. -->
         <pre class="code-chip" aria-hidden="true"># contact-phase excerpt
-<span class="t-kw">posecode</span> <span class="t-kind">posture</span> <span class="t-str">"Superhero Three-Point Landing"</span>
-  <span class="t-kw">pose</span> start <span class="t-punct">=</span> <span class="t-atom">standing</span>
-
-  <span class="t-kw">step</span> <span class="t-str">"Make three-point contact"</span> <span class="t-num">0.3s</span> <span class="t-atom">settle</span><span class="t-punct">:</span>
+<span class="t-kw">step</span> <span class="t-str">"Make three-point contact"</span> <span class="t-num">0.3s</span> <span class="t-atom">settle</span><span class="t-punct">:</span>
     <span class="t-kw">ground-lock</span><span class="t-punct">:</span> <span class="t-atom">foot_right</span>
     <span class="t-kw">reach</span><span class="t-punct">:</span> <span class="t-atom">knee_left floor</span>
     <span class="t-kw">reach</span><span class="t-punct">:</span> <span class="t-atom">fist_left floor</span>
diff --git a/playground/src/landing.css b/playground/src/landing.css
index 7678290..8e85eec 100644
--- a/playground/src/landing.css
+++ b/playground/src/landing.css
@@ -775,12 +775,20 @@ a.dev-card:hover {
 .studio-bar { background: #0d0f10; }
 .studio-bar .dots { display: none; }
 .code-chip {
-  position: static;
+  position: absolute;
+  z-index: 2;
+  top: 44px;
+  right: -28px;
+  bottom: auto;
   width: max-content;
-  max-width: 100%;
+  max-width: calc(100% - 48px);
   box-sizing: border-box;
-  margin: 14px 0 0 auto;
-  overflow-x: auto;
+  margin: 0;
+  overflow: hidden;
+  pointer-events: none;
+  padding: 12px 14px;
+  font-size: 10.5px;
+  line-height: 1.6;
   border-radius: 2px;
   background: #0b0d0e;
   backdrop-filter: none;
@@ -847,6 +855,14 @@ a.dev-card:hover {
 @media (max-width: 920px) {
   .hero { grid-template-columns: 1fr; min-height: auto; }
   .headline { max-width: 12ch; }
+  .code-chip {
+    position: static;
+    width: max-content;
+    max-width: 100%;
+    margin: 14px 0 0 auto;
+    overflow-x: auto;
+    pointer-events: auto;
+  }
   .prop:nth-child(2) { border-left: 1px solid var(--border); }
   .example-card:nth-child(3n + 1) { border-left: 0; }
   .example-card:nth-child(2n + 1) { border-left: 1px solid var(--border); }
diff --git a/playground/src/library-order.ts b/playground/src/library-order.ts
new file mode 100644
index 0000000..b5dfc75
--- /dev/null
+++ b/playground/src/library-order.ts
@@ -0,0 +1,14 @@
+/** Movement promoted to the first visible library group when it matches. */
+export const FEATURED_LIBRARY_MOVEMENT_ID = "jumping-jacks";
+
+/** Keep filtering stable while promoting the featured launch movement. */
+export function prioritizeFeaturedMovement<T extends { id: string }>(
+  movements: readonly T[],
+): T[] {
+  const featured: T[] = [];
+  const remaining: T[] = [];
+  for (const movement of movements) {
+    (movement.id === FEATURED_LIBRARY_MOVEMENT_ID ? featured : remaining).push(movement);
+  }
+  return [...featured, ...remaining];
+}
diff --git a/playground/src/main.ts b/playground/src/main.ts
index 2e0a2f4..e4e81ab 100644
--- a/playground/src/main.ts
+++ b/playground/src/main.ts
@@ -18,6 +18,7 @@ import {
 } from "./nice-share.js";
 import type { PosecodeEditor } from "./editor.js";
 import { ANIMATION_PROGRESS_MESSAGE, PRESETS } from "./presets.js";
+import { prioritizeFeaturedMovement } from "./library-order.js";
 import { SHOWCASE_CLIPS } from "./clips.js";
 
 // Open on a deterministic, fully procedural movement. Mocap-backed or
@@ -363,13 +364,15 @@ function fold(s: string): string {
 
 function libraryMatches(): typeof PRESETS {
   const q = fold(libQuery.trim());
-  return PRESETS.filter(
-    (p) =>
-      (!libDomain || p.domain === libDomain) &&
-      (!libLevel || p.difficulty === libLevel) &&
-      (!libStatus || p.status === libStatus) &&
-      (!q ||
-        fold(`${p.label} ${p.target} ${p.domain} ${p.bodyPart} ${p.equipment}`).includes(q)),
+  return prioritizeFeaturedMovement(
+    PRESETS.filter(
+      (p) =>
+        (!libDomain || p.domain === libDomain) &&
+        (!libLevel || p.difficulty === libLevel) &&
+        (!libStatus || p.status === libStatus) &&
+        (!q ||
+          fold(`${p.label} ${p.target} ${p.domain} ${p.bodyPart} ${p.equipment}`).includes(q)),
+    ),
   );
 }
 
diff --git a/playground/test/library-order.test.ts b/playground/test/library-order.test.ts
new file mode 100644
index 0000000..b6d28a9
--- /dev/null
+++ b/playground/test/library-order.test.ts
@@ -0,0 +1,32 @@
+import { describe, expect, it } from "vitest";
+import {
+  FEATURED_LIBRARY_MOVEMENT_ID,
+  prioritizeFeaturedMovement,
+} from "../src/library-order.js";
+
+describe("movement library ordering", () => {
+  it("promotes Jumping jacks ahead of otherwise stable results", () => {
+    const movements = [
+      { id: "squat" },
+      { id: FEATURED_LIBRARY_MOVEMENT_ID },
+      { id: "deadlift" },
+    ];
+
+    expect(prioritizeFeaturedMovement(movements).map((movement) => movement.id)).toEqual([
+      "jumping-jacks",
+      "squat",
+      "deadlift",
+    ]);
+    expect(movements.map((movement) => movement.id)).toEqual([
+      "squat",
+      "jumping-jacks",
+      "deadlift",
+    ]);
+  });
+
+  it("preserves result order when Jumping jacks does not match the filters", () => {
+    const movements = [{ id: "squat" }, { id: "deadlift" }];
+
+    expect(prioritizeFeaturedMovement(movements)).toEqual(movements);
+  });
+});