Visit Feishu Open Platform and sign in.

From Credentials & Basic Info, copy:
❗ Important: keep the App Secret private.

On Permissions, click Batch import and paste:
{
"scopes": {
"tenant": [
"contact:contact.base:readonly",
"docx:document:readonly",
"im:chat:read",
"im:chat:update",
"im:message.group_at_msg:readonly",
"im:message.p2p_msg:readonly",
"im:message.pins:read",
"im:message.pins:write_only",
"im:message.reactions:read",
"im:message.reactions:write_only",
"im:message:readonly",
"im:message:recall",
"im:message:send_as_bot",
"im:message:send_multi_users",
"im:message:send_sys_msg",
"im:message:update",
"im:resource",
"application:application:self_manage",
"cardkit:card:write",
"cardkit:card:read"
],
"user": [
"contact:user.employee_id:readonly",
"offline_access","base:app:copy",
"base:field:create",
"base:field:delete",
"base:field:read",
"base:field:update",
"base:record:create",
"base:record:delete",
"base:record:retrieve",
"base:record:update",
"base:table:create",
"base:table:delete",
"base:table:read",
"base:table:update",
"base:view:read",
"base:view:write_only",
"base:app:create",
"base:app:update",
"base:app:read",
"sheets:spreadsheet.meta:read",
"sheets:spreadsheet:read",
"sheets:spreadsheet:create",
"sheets:spreadsheet:write_only",
"docs:document:export",
"docs:document.media:upload",
"board:whiteboard:node:create",
"board:whiteboard:node:read",
"calendar:calendar:read",
"calendar:calendar.event:create",
"calendar:calendar.event:delete",
"calendar:calendar.event:read",
"calendar:calendar.event:reply",
"calendar:calendar.event:update",
"calendar:calendar.free_busy:read",
"contact:contact.base:readonly",
"contact:user.base:readonly",
"contact:user:search",
"docs:document.comment:create",
"docs:document.comment:read",
"docs:document.comment:update",
"docs:document.media:download",
"docs:document:copy",
"docx:document:create",
"docx:document:readonly",
"docx:document:write_only",
"drive:drive.metadata:readonly",
"drive:file:download",
"drive:file:upload",
"im:chat.members:read",
"im:chat:read",
"im:message",
"im:message.group_msg:get_as_user",
"im:message.p2p_msg:get_as_user",
"im:message:readonly",
"search:docs:read",
"search:message",
"space:document:delete",
"space:document:move",
"space:document:retrieve",
"task:comment:read",
"task:comment:write",
"task:task:read",
"task:task:write",
"task:task:writeonly",
"task:tasklist:read",
"task:tasklist:write",
"wiki:node:copy",
"wiki:node:create",
"wiki:node:move",
"wiki:node:read",
"wiki:node:retrieve",
"wiki:space:read",
"wiki:space:retrieve",
"wiki:space:write_only"
]
}
}

In App Capability > Bot:

In Event Subscription:
⚠️ Verify whether the application version has been successfully published. If the publication fails, you will be unable to select the "Receive events through persistent connection" option.
⚠️ If the gateway is not running, the persistent-connection setup may fail to save.

Address book page Feishu search; add group members on the group chat page, just search for the Bot name.
