修改架构，移动端优先。

save

scripts/cleanup-duplicates.cjs

@@ -0,0 +1,17 @@
+require('dotenv').config();
+const mysql = require('mysql2/promise');
+(async () => {
+  const u = new URL(process.env.DATABASE_URL);
+  const c = await mysql.createConnection({
+    host: u.hostname, port: Number(u.port),
+    user: decodeURIComponent(u.username),
+    password: decodeURIComponent(u.password),
+    database: u.pathname.replace(/^\//, ''),
+  });
+  // 保留 id 最小的, 删掉其余重名行
+  for (const t of ['Strategy', 'Indicator']) {
+    const [r] = await c.query('DELETE FROM ' + t + ' WHERE id NOT IN (SELECT min_id FROM (SELECT MIN(id) AS min_id FROM ' + t + ' GROUP BY name) AS keep)');
+    console.log('[' + t + '] 删除 ' + r.affectedRows + ' 条重复行');
+  }
+  await c.end();
+})().catch(e=>{console.error(e);process.exit(1)});