From 501fd0925d9a9c176a55f2b839564749a006f9dc Mon Sep 17 00:00:00 2001
From: Suzumiya <suzmii@qq.com>
Date: Wed, 7 Oct 2026 00:53:21 +0800
Subject: [PATCH] =?UTF-8?q?fix(agc):=20=E5=A4=96=E5=A3=B3=E6=BB=9A?=
 =?UTF-8?q?=E5=8A=A8=E6=94=B6=E6=95=9B=E5=88=B0=20.launcher-main=20?=
 =?UTF-8?q?=E5=8D=95=E4=B8=80=E5=AE=B9=E5=99=A8=EF=BC=88=E5=90=AB=E9=A1=B5?=
 =?UTF-8?q?=E9=9D=A2=E8=81=9A=E7=84=A6=E6=8F=8F=E8=BE=B9=E4=B8=8E=E7=BB=A7?=
 =?UTF-8?q?=E6=89=BF=E5=BE=BD=E7=AB=A0=E6=A0=B7=E5=BC=8F=EF=BC=89?=
MIME-Version: 1.0
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Content-Transfer-Encoding: 8bit

---
 apps/ai-game-creator-shell/src/styles.css     |  70 ++++++++--
 .../tests/launcherScrollContract.test.ts      | 128 ++++++++++++++++++
 2 files changed, 184 insertions(+), 14 deletions(-)
 create mode 100644 apps/ai-game-creator-shell/tests/launcherScrollContract.test.ts

diff --git a/apps/ai-game-creator-shell/src/styles.css b/apps/ai-game-creator-shell/src/styles.css
index 791026a72..713ff21f4 100644
--- a/apps/ai-game-creator-shell/src/styles.css
+++ b/apps/ai-game-creator-shell/src/styles.css
@@ -678,14 +678,6 @@ body {
   overflow: auto;
 }
 
-.window-chrome__content .launcher-main:has(.game-project-workbench) {
-  display: flex;
-  flex-direction: column;
-  height: 100%;
-  min-height: 0;
-  padding-bottom: 0;
-}
-
 .window-chrome__content .game-project-workbench {
   flex: 1 1 auto;
   height: auto;
@@ -1083,14 +1075,38 @@ textarea {
 
 .launcher-main {
   position: relative;
-  display: grid;
-  grid-template-columns: minmax(0, 1fr);
-  grid-template-rows: auto auto auto;
-  align-content: start;
+  /* 页面滚动就落在这里：**所有** launcher 视图（首页 / 项目 / 共创 / 确认页…）都是
+     `.launcher-main` 的直接子元素，因此滚动容器全应用只有一个，页面不用各自打补丁。
+
+     之前是 `display: grid; grid-template-rows: auto auto auto; align-content: start`：
+     行高是 `auto`，子元素撑多高行就多高，再叠加 `overflow: hidden` —— 内容一旦高于窗口就被
+     整块裁掉，既看不到也滚不到（截图里的「支持共创的作品」最后一行、确认页底部按钮够不到
+     都是这个原因）。改成 flex 列 + 纵向滚动：子元素保持自上而下排列，超出即滚。 */
+  display: flex;
+  flex-direction: column;
+  align-items: stretch;
   min-width: 0;
-  min-height: 100vh;
+  min-height: 0;
   padding: 0 0 42px;
-  overflow: hidden;
+  /* 纵向滚动 / 横向裁切：横向裁切必须保留，否则窄窗口下会被内容顶出横向滚动条。 */
+  overflow-x: hidden;
+  overflow-y: auto;
+}
+
+/*
+  视图本身是 `.launcher-main` 的 flex 子项：默认 `flex-shrink: 1` 会把「比窗口高的页面」
+  压扁到容器高度（内容溢出而不触发滚动）。这里统一 `flex: 0 0 auto`，让页面保持自然高度、
+  由 `.launcher-main` 滚动。需要占满高度的视图（工作台）在自己的规则里改回 `flex: 1 1 auto`。
+*/
+.launcher-main > * {
+  flex: 0 0 auto;
+}
+
+/* 共创相关页面的键盘聚焦：与 `.launcher-projects-page` 同一套描边口径。 */
+.fork-page
+  :where(button, a, input, textarea, [tabindex]):focus-visible {
+  outline: 3px solid var(--platform-warm-text);
+  outline-offset: 2px;
 }
 
 .launcher-runs-panel {
@@ -3702,6 +3718,32 @@ textarea {
   line-height: 1.5;
 }
 
+/* 衍生作品的只读授权：徽章（档位）+ 说明两行，形态上明显不是可选控件。 */
+.game-distribution-publish-panel__fork-inherited {
+  display: grid;
+  gap: 6px;
+  margin: 0;
+  color: var(--platform-text-muted);
+  font-size: 11px;
+  font-weight: 500;
+  line-height: 1.5;
+}
+
+.game-distribution-publish-panel__fork-inherited-badge {
+  display: inline-flex;
+  width: fit-content;
+  align-items: center;
+  gap: 6px;
+  padding: 2px 10px;
+  border: 1px solid var(--platform-warm-border);
+  border-radius: 999px;
+  background: var(--platform-warm-bg);
+  color: var(--platform-warm-text);
+  font-size: 11px;
+  font-weight: 700;
+  font-variant-numeric: tabular-nums;
+}
+
 /* 工程源码公开勾选：与上面的三态同宽同位，复选框不能套用「整行输入框」样式。 */
 .game-distribution-publish-panel__fields
   .game-distribution-publish-panel__bundle-consent {
diff --git a/apps/ai-game-creator-shell/tests/launcherScrollContract.test.ts b/apps/ai-game-creator-shell/tests/launcherScrollContract.test.ts
new file mode 100644
index 000000000..685fb01d3
--- /dev/null
+++ b/apps/ai-game-creator-shell/tests/launcherScrollContract.test.ts
@@ -0,0 +1,128 @@
+/**
+ * 外壳滚动链的**契约测试**（纯 CSS 断言，不需要浏览器）。
+ *
+ * 背景：`.launcher-main` 曾经是 `display: grid` + `grid-template-rows: auto …` + `overflow: hidden`，
+ * 视图一旦比窗口高就被整块裁掉——「共创」列表最后一行、Fork 确认页底部操作条都够不到。
+ * 修法是把 `.launcher-main` 变成**唯一的页面滚动容器**（flex 列 + `overflow-y: auto`），
+ * 视图保持自然高度（`flex: 0 0 auto`）。
+ *
+ * jsdom 没有布局，量不出 `scrollHeight > clientHeight`；这里钉住的是**样式契约**（哪一层负责
+ * 滚动、链路上的每一层都允许收缩），真实滚动行为由浏览器冒烟核对。
+ */
+import { readFileSync } from 'node:fs';
+
+import { describe, expect, it } from 'vitest';
+
+import { repoPath } from './repoPath';
+
+const stylesPath = repoPath('apps/ai-game-creator-shell/src/styles.css');
+const styles = readFileSync(stylesPath, 'utf8');
+
+/** 取某个选择器的第一条声明块（与 `workbenchThemeContrast.test.ts` 同一套解析口径）。 */
+function getCssBlock(source: string, selector: string) {
+  const selectorIndex = source.indexOf(selector);
+  expect(selectorIndex, `${selector} should exist`).toBeGreaterThanOrEqual(0);
+  const openBraceIndex = source.indexOf('{', selectorIndex);
+  let depth = 0;
+  for (let index = openBraceIndex; index < source.length; index += 1) {
+    const char = source[index];
+    if (char === '{') {
+      depth += 1;
+    } else if (char === '}') {
+      depth -= 1;
+      if (depth === 0) {
+        return source.slice(openBraceIndex + 1, index);
+      }
+    }
+  }
+  throw new Error(`${selector} block is not closed`);
+}
+
+/** 去掉注释再断言：注释里会引用旧写法（例如「以前是 grid-template-rows…」）。 */
+function stripComments(block: string) {
+  return block.replace(/\/\*[\s\S]*?\*\//gu, '');
+}
+
+function declaration(block: string, property: string) {
+  const match = block.match(new RegExp(`(^|[;{\\s])${property}:\\s*([^;]+);`));
+  expect(match, `${property} should be declared`).not.toBeNull();
+  return (match?.[2] ?? '').replace(/\s+/gu, ' ').trim();
+}
+
+describe('launcher 滚动链', () => {
+  it('根与外壳层都给足高度，允许收缩', () => {
+    const root = getCssBlock(styles, '#root {');
+    expect(declaration(root, 'height')).toBe('100dvh');
+    expect(declaration(root, 'min-height')).toBe('0');
+
+    const chromeContent = getCssBlock(styles, '.window-chrome__content {');
+    expect(declaration(chromeContent, 'height')).toBe('100%');
+    expect(declaration(chromeContent, 'min-height')).toBe('0');
+    // 外壳内容区自己不能滚：滚动只发生在 `.launcher-main`。
+    expect(declaration(chromeContent, 'overflow')).toBe('hidden');
+
+    const launcherShell = getCssBlock(
+      styles,
+      '.window-chrome__content > .launcher-shell',
+    );
+    expect(declaration(launcherShell, 'height')).toBe('100%');
+    expect(declaration(launcherShell, 'min-height')).toBe('0');
+  });
+
+  it('`.launcher-main` 是唯一页面滚动容器（flex 列 + 纵向 auto）', () => {
+    const main = getCssBlock(styles, '\n.launcher-main {');
+    expect(declaration(main, 'display')).toBe('flex');
+    expect(declaration(main, 'flex-direction')).toBe('column');
+    // 纵向滚动 + 横向裁切：窄窗口不会被内容顶出横向滚动条。
+    expect(declaration(main, 'overflow-y')).toBe('auto');
+    expect(declaration(main, 'overflow-x')).toBe('hidden');
+    // 不允许再出现把内容整块裁掉的 `overflow: hidden`（横向那条是显式 overflow-x）。
+    expect(main).not.toMatch(/(^|[;\s])overflow:\s*hidden;/u);
+
+    const mainOverride = getCssBlock(
+      styles,
+      '.window-chrome__content > .launcher-shell .launcher-main {',
+    );
+    expect(declaration(mainOverride, 'height')).toBe('100%');
+    expect(declaration(mainOverride, 'min-height')).toBe('0');
+
+    // 视图保持自然高度：`flex-shrink: 1` 会把长页面压扁到容器高度。
+    const viewItem = getCssBlock(styles, '.launcher-main > * {');
+    expect(declaration(viewItem, 'flex')).toBe('0 0 auto');
+  });
+
+  it('旧的 grid 行高与裁切不再决定滚动', () => {
+    const main = stripComments(getCssBlock(styles, '\n.launcher-main {'));
+    expect(main).not.toMatch(/grid-template-rows/u);
+    expect(main).not.toMatch(/grid-template-columns/u);
+    expect(main).not.toMatch(/align-content/u);
+
+    // 工作台仍可特判自己占满高度，但不得再改滚动方式（滚动只有一处）。
+    const workbenchRule = getCssBlock(
+      styles,
+      '.launcher-main:has(.game-project-workbench) {',
+    );
+    expect(workbenchRule).not.toMatch(/overflow|display|height/u);
+  });
+
+  it('共创相关页面共享一套版式令牌，且正文不吃满整屏', () => {
+    const tokens = readFileSync(
+      repoPath(
+        'apps/ai-game-creator-shell/src/features/platform-fork/forkPageStyles.ts',
+      ),
+      'utf8',
+    );
+    const column = tokens.match(
+      /export const FORK_PAGE_COLUMN =\s*'[^']*min\((\d+)px/u,
+    );
+    expect(
+      column,
+      'FORK_PAGE_COLUMN should cap the column width',
+    ).not.toBeNull();
+    const width = Number(column?.[1]);
+    expect(width).toBeGreaterThanOrEqual(720);
+    expect(width).toBeLessThanOrEqual(880);
+    // 正文另有 72ch 上限：长文不铺满整个内容列。
+    expect(tokens).toContain('max-w-[72ch]');
+  });
+});