/feishu:configure — Feishu Channel Setup

Writes the app credentials to ~/.claude/channels/feishu/.env and orients the user on access policy. The server reads both files at boot.

Arguments passed: $ARGUMENTS

Dispatch on arguments

No args — status and guidance

Read both state files and give the user a complete picture:

1. Credentials — check ~/.claude/channels/feishu/.env for FEISHU_APP_ID and FEISHU_APP_SECRET. Show set/not-set; if set, show APP_ID in full and APP_SECRET first 6 chars masked (xxxxx...).