⚡️perf: optimize index for admin

packages/database/src/schemas/agent.ts

@@ -64,6 +64,7 @@ export const agents = pgTable(
   (t) => [
     uniqueIndex('client_id_user_id_unique').on(t.clientId, t.userId),
     uniqueIndex('agents_slug_user_id_unique').on(t.slug, t.userId),
+    index('agents_user_id_idx').on(t.userId),
     index('agents_title_idx').on(t.title),
     index('agents_description_idx').on(t.description),
   ],

packages/database/src/schemas/file.ts

@@ -152,6 +152,7 @@ export const files = pgTable(
   (table) => {
     return {
       fileHashIdx: index('file_hash_idx').on(table.fileHash),
+      userIdIdx: index('files_user_id_idx').on(table.userId),
       parentIdIdx: index('files_parent_id_idx').on(table.parentId),
       clientIdUnique: uniqueIndex('files_client_id_user_id_unique').on(
         table.clientId,

packages/database/src/schemas/user.ts

@@ -2,6 +2,7 @@
 import { DEFAULT_PREFERENCE } from '@lobechat/const';
 import type { CustomPluginParams } from '@lobechat/types';
 import { LobeChatPluginManifest } from '@lobehub/chat-plugin-sdk';
+import { sql } from 'drizzle-orm';
 import { boolean, index, jsonb, pgTable, primaryKey, text } from 'drizzle-orm/pg-core';
 
 import { timestamps, timestamptz, varchar255 } from './_helpers';
@@ -49,6 +50,14 @@ export const users = pgTable(
   (table) => ({
     emailIdx: index('users_email_idx').on(table.email),
     usernameIdx: index('users_username_idx').on(table.username),
+    createdAtIdx: index('users_created_at_idx').on(table.createdAt),
+    /**
+     * Partial index to speed up admin queries on banned users.
+     * Only rows with banned=true are indexed.
+     */
+    bannedTrueCreatedAtIdx: index('users_banned_true_created_at_idx')
+      .on(table.createdAt)
+      .where(sql`${table.banned} = true`),
   }),
 );