Launch polish: all-procedural showcase + full library sweep to L2–L4 modes (L5)

playground/src/clips.ts

@@ -0,0 +1,19 @@
+/**
+ * Showcase mocap-clip map: clip name (as written in a doc's `clip "<name>"`
+ * directive) → retargeted animation asset URL. Shared by the playground viewer
+ * and the landing hero so both play the same Mixamo-sourced motion for the
+ * marketing surfaces, while the procedural DSL stays the source of truth for
+ * every un-clipped movement.
+ *
+ * The FBX binaries live in `public/clips/` (gitignored, served from storage/CDN
+ * in production). A movement plays its clip only when it declares `clip "<name>"`
+ * AND the skinned character is active; anything missing falls back to procedural.
+ */
+export const SHOWCASE_CLIPS: Record<string, string> = {
+  walk: "/clips/walk.fbx",
+  squat: "/clips/back-squat.fbx",
+  "bicycle-crunch": "/clips/bicycle-crunch.fbx",
+  "jab-cross": "/clips/jab-cross.fbx",
+  "jumping-jacks": "/clips/jumping-jacks.fbx",
+  shuffling: "/clips/shuffling.fbx",
+};

playground/src/landing.ts

@@ -8,6 +8,7 @@
 import { parse } from "posecode-parser";
 import { inject } from "@vercel/analytics";
 import { PRESETS } from "./presets.js";
+import { SHOWCASE_CLIPS } from "./clips.js";
 import llmPrompt from "../../spec/llm-authoring.md?raw";
 
 inject();
@@ -32,6 +33,9 @@ function initHero(): void {
       // Realistic skinned figure without flashing the procedural fallback.
       characterUrl: "/models/character.glb",
       showProceduralWhileLoading: false,
+      // Marketing surface: the hero movement declares `clip "jumping-jacks"`, so
+      // it plays the retargeted Mixamo mocap for maximum polish on first paint.
+      clips: SHOWCASE_CLIPS,
     });
     const phaseEl = document.getElementById("hero-phase");
     viewer.onPhase(({ phaseName }) => {

playground/src/main.ts

@@ -18,6 +18,7 @@ import {
 } from "./nice-share.js";
 import type { PosecodeEditor } from "./editor.js";
 import { PRESETS } from "./presets.js";
+import { SHOWCASE_CLIPS } from "./clips.js";
 import { renderWarnings } from "./warnings.js";
 import llmPrompt from "../../spec/llm-authoring.md?raw";
 
@@ -548,18 +549,7 @@ void import("posecode-render").then(({ createViewer }) => {
     // clips.ts). Only fetched when a loaded movement names the clip, so this
     // never slows the default page. Disabled with the classic figure, which has
     // no skinned mesh to retarget onto.
-    ...(classicFigure
-      ? {}
-      : {
-          clips: {
-            walk: "/clips/walk.fbx",
-            squat: "/clips/back-squat.fbx",
-            "bicycle-crunch": "/clips/bicycle-crunch.fbx",
-            "jab-cross": "/clips/jab-cross.fbx",
-            "jumping-jacks": "/clips/jumping-jacks.fbx",
-            shuffling: "/clips/shuffling.fbx",
-          },
-        }),
+    ...(classicFigure ? {} : { clips: SHOWCASE_CLIPS }),
   });
   // Exposed for capture/e2e tooling (frame capture drives README GIFs).
   (window as unknown as Record<string, unknown>).__posecodeViewer = viewer;

scripts/capture-gifs.mjs

@@ -53,11 +53,13 @@ if (targets.length === 0) {
 
 const server = await createServer({
   configFile: resolve(repoRoot, "playground/vite.config.ts"),
-  server: { port: 0 },
+  server: { port: 0, host: "127.0.0.1" },
   logLevel: "error",
 });
 await server.listen();
-const port = server.config.server.port ?? server.httpServer.address().port;
+// Use the ACTUAL bound port: with `port: 0`, config.server.port stays 0 (and
+// `0 ?? …` keeps 0), so read the listening socket instead.
+const port = server.httpServer.address().port;
 const origin = `http://127.0.0.1:${port}`;
 
 const browser = await chromium.launch({ executablePath: chromiumPath() });
@@ -66,7 +68,9 @@ page.on("pageerror", (e) => console.error("[page]", e.message));
 
 for (const t of targets) {
   const [w, h] = t.size;
-  await page.goto(`${origin}/play/${t.id}`, { waitUntil: "load" });
+  // `/play/<id>` is a production rewrite (vercel); in the vite dev server used
+  // here it doesn't resolve, so use the SPA entry + hash which loads the doc.
+  await page.goto(`${origin}/play.html#doc=${t.id}`, { waitUntil: "load" });
   await page.reload({ waitUntil: "load" });
   await page.waitForFunction(() => window.__posecodeViewer?.duration > 0, null, {
     timeout: 60000,