AI Newsletter Digest improvements: fixed QP soft line break decoding, URL extraction, and content cleaning

archive/inactive-skills/openclaw-backup-optimized/references/CONFIG.md

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+# Backup skill configuration
+
+## Environment variables
+
+- `OPENCLAW_HOME`: OpenClaw home path (default `~/.openclaw`)
+- `OPENCLAW_BACKUP_DIR`: backup destination (default `~/.openclaw-backup`)
+- `BACKUP_REPO_URL`: git repo for push (e.g., https://github.com/cccarv82/openclaw-backup.git)
+- `BACKUP_CHANNEL_ID`: Discord channel id for notifications (optional)
+- `BACKUP_TZ`: timezone (default America/Sao_Paulo)
+- `BACKUP_MAX_HISTORY`: local history retention (default 7)
+
+## Requirements
+
+- Node.js >= 18
+- git
+- tar or zip (for workspace archive)
+
+## Policies
+
+- Excludes `media/inbound`
+- Excludes `agents/main/sessions/*.jsonl.lock`
+- Excludes `agents/main/sessions/*.jsonl.deleted.*`
+- Workspace archive is split into parts (~90MB)
+
+## Suggested cron
+
+0 5,10,15,20 * * * (America/Sao_Paulo)
+
+## Restore
+Use the block generated in the backup notification.