From 326fe24cbace06e2e9abfd6f49c009a6a26c06ed Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=9B=B7=E7=94=B5=E8=8A=BD=E8=A1=A3?=
 <zhangyanghaha0407@outlook.com>
Date: Fri, 9 Oct 2026 08:23:16 -0400
Subject: [PATCH] Video: the check compares both renderers at the cut and every
 exit frame's recordings (R2.3)

---
 agents.md                    |  2 +-
 site/video/scenes/verify.mjs | 58 ++++++++++++++++++++++++++++--------
 2 files changed, 47 insertions(+), 13 deletions(-)

diff --git a/agents.md b/agents.md
index 7828697..a9929fb 100644
--- a/agents.md
+++ b/agents.md
@@ -173,7 +173,7 @@ tests/scripts/ooxml.py <用例> <文件>  不经 LibreOffice 读 DOCX、XLSX、P
 tests/scripts/webview.sh       真窗口 CEF 页面：输入法组字与提交、键入、焦点、主题变量、缩放、不可离开所在文件夹
 cd site && pnpm deploy        官网构建并经 wrangler 发到 Cloudflare Workers（只有静态资源），地址 https://ely-office.zhangyanghaha0407.workers.dev
 cd site && pnpm test && pnpm e2e   官网单测（几何、道路连通）与 Playwright 端到端（悬停、聚焦、按压、命中归属）
-cd site/video/scenes && npm run verify   发布视频：离场六块屏幕在切场后各播自己的录屏帧（真页面渲染）
+cd site/video/scenes && npm run verify   发布视频：群像与离场两个渲染器在切场处屏幕角点一致，离场全程各屏播自己的录屏帧（真页面渲染）
 cargo check --workspace
 cargo test --workspace
 rm -rf target/debug/incremental   每次构建或测试后都删（用户定：增量缓存会占满磁盘）
diff --git a/site/video/scenes/verify.mjs b/site/video/scenes/verify.mjs
index ba71b14..a8ddd8a 100644
--- a/site/video/scenes/verify.mjs
+++ b/site/video/scenes/verify.mjs
@@ -1,33 +1,67 @@
-// Checks the leaving screens play their recordings at the cut.
+// Checks the cut into the exit: same screens, their own recordings.
 import { dirname, resolve } from "node:path";
 import { fileURLToPath } from "node:url";
 import { chromium } from "playwright";
 import { createServer } from "vite";
 import recs from "../montage/recs.json" with { type: "json" };
+import { moment } from "./timeline.ts";
+import { recording } from "./turn.ts";
 
 const here = dirname(fileURLToPath(import.meta.url));
 const server = await createServer({ root: resolve(here, "../.."), configFile: false, logLevel: "error", server: { port: 0 } });
 await server.listen();
+const base = server.resolvedUrls.local[0];
 const browser = await chromium.launch();
-try {
+
+/** A film-sized page whose recordings are any one frame. */
+async function open(path) {
   const page = await browser.newPage({ viewport: { width: 1920, height: 1080 } });
   page.on("pageerror", (e) => {
     throw e;
   });
-  // Any frame will do; only which frame is asked matters.
   await page.route("**/rec/**", (route) => route.fulfill({ path: resolve(here, "../../public/film/poster.jpg") }));
-  await page.goto(`${server.resolvedUrls.local[0]}video/scenes/index.html`, { waitUntil: "networkidle" });
-  // The first frame after the montage is the cut.
+  await page.goto(`${base}${path}`, { waitUntil: "networkidle" });
+  return page;
+}
+
+/** Each drawn recording: its source and three screen corners. */
+const drawn = (page) =>
+  page.$$eval("#world image", (els) =>
+    els.map((el) => {
+      const m = el.getScreenCTM();
+      const at = (x, y) => [m.a * x + m.c * y + m.e, m.b * x + m.d * y + m.f];
+      return { href: el.getAttribute("href"), corners: [at(0, 0), at(1280, 0), at(0, 720)] };
+    }),
+  );
+
+try {
   const cut = recs.first + 129;
-  for (const f of [cut, cut + 1, cut + 2]) {
-    await page.evaluate((f) => window.ely.render("files", f), f);
-    const hrefs = await page.$$eval("#world image", (els) => els.map((el) => el.getAttribute("href")));
-    const want = String(f - recs.first + 1).padStart(5, "0");
-    if (hrefs.length !== 6 || !hrefs.every((h) => h.endsWith(`/${want}.jpg`)) || new Set(hrefs).size !== 6) {
-      throw new Error(`frame ${f}: ${hrefs.length} recordings ${JSON.stringify(hrefs)}`);
+  const montage = await open("video/montage/index.html");
+  await montage.waitForFunction(() => window.montage);
+  const { pins } = await montage.evaluate((f) => window.montage.render(f), cut - 1);
+  const exit = await open("video/scenes/index.html");
+  // Every exit frame until the last screen has gone.
+  for (let f = cut; ; f++) {
+    await exit.evaluate((f) => window.ely.render("files", f), f);
+    const shown = await drawn(exit);
+    const want = moment(f / 30).pieces.map(({ box, land }) => recording(box, land, f)).filter(Boolean);
+    const got = shown.map((s) => s.href);
+    if (JSON.stringify([...got].sort()) !== JSON.stringify([...want].sort())) {
+      throw new Error(`frame ${f}: drew ${JSON.stringify(got)}, not ${JSON.stringify(want)}`);
     }
+    if (f === cut) {
+      if (got.length !== 6) throw new Error(`the cut shows ${got.length} screens`);
+      // The montage pins top-left, top-right, bottom-right, bottom-left.
+      for (const { href, corners } of shown) {
+        const app = recs.apps.find((a) => href.startsWith(`rec/${a.rec}/`)).app;
+        const pin = pins[app];
+        const near = [pin[0], pin[1], pin[3]].every((p, i) => Math.hypot(p[0] - corners[i][0], p[1] - corners[i][1]) < 1);
+        if (!near) throw new Error(`${app} moves at the cut: ${JSON.stringify(pin)} to ${JSON.stringify(corners)}`);
+      }
+    }
+    if (!want.length) break;
   }
-  console.log("verify: six screens play their own frames across the cut");
+  console.log("verify: screens hold still across the cut and play their own frames");
 } finally {
   await browser.close();
   await server.close();