feat(courseware,docs): 完善课件传输与岛编辑并统一全仓文档

- 增加课件上传、班级可见范围、设备补收与传输进度
- 整合自定义灵动岛编辑器和相关客户端交互
- 同步三端契约、数据库迁移、部署配置与隔离回归
- 按源码统一文档与官网说明，移除过时任务书和审查记录
- 保持产品版本为 1.4.0

scripts/verify-courseware.mjs

@@ -0,0 +1,43 @@
+/** 课件验收始终使用临时库和临时文件目录，不访问正在使用的班级。 */
+import fs from 'node:fs';
+import path from 'node:path';
+import { spawn } from 'node:child_process';
+import { fileURLToPath } from 'node:url';
+import { createRequire } from 'node:module';
+const root = path.resolve(path.dirname(fileURLToPath(import.meta.url)), '..');
+const dir = path.join(root, '.cache', 'v14-verification', `courseware-${process.pid}-${Date.now()}`);
+fs.mkdirSync(dir, { recursive: true });
+const env = {
+  ...process.env,
+  DATABASE_PROVIDER: 'sqlite',
+  DATABASE_URL: `file:${path.join(dir, 'test.db').replaceAll('\\', '/')}`,
+  COURSEWARE_DIR: path.join(dir, 'files'),
+  TZ: 'Asia/Shanghai',
+  RATE_LIMIT_ENABLED: 'false',
+  LOG_LEVEL: 'warn',
+};
+const require = createRequire(path.join(root, 'packages/server/package.json'));
+const { createClient } = require('@libsql/client');
+const db = createClient({ url: env.DATABASE_URL });
+await db.execute('PRAGMA user_version=0');
+db.close();
+async function run(args) {
+  await new Promise((resolve, reject) => {
+    const child = spawn(process.execPath, args, { cwd: root, env, stdio: 'inherit', windowsHide: true });
+    child.once('error', reject);
+    child.once('exit', (code) => (code === 0 ? resolve() : reject(new Error(`课件验收失败：${code}`))));
+  });
+}
+await run([
+  'packages/server/node_modules/prisma/build/index.js',
+  'migrate',
+  'deploy',
+  '--config',
+  'packages/server/prisma.config.ts',
+]);
+await run([
+  '--import',
+  './packages/server/node_modules/tsx/dist/loader.mjs',
+  'packages/server/scripts/verify-courseware.ts',
+]);
+console.log(`隔离验收留档：${dir}`);