Add session, maintenance, and backup commands

New commands:
- /summarize: Save session decisions/preferences to memory
- /maintain: Configuration maintenance (validate, backup, restore, etc.)

New automation scripts:
- backup.sh: Create timestamped config backup (excludes secrets)
- restore.sh: Restore config from backup (with validation)

Updates:
- component-registry.json: Added new commands
- commands/README.md: Updated with new entries
- automation/README.md: Documented utility scripts

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

commands/README.md

@@ -11,6 +11,8 @@ Slash commands for quick actions. User-invoked (type `/command` to trigger).
 | `/pa` | `/assistant`, `/ask` | Personal assistant entrypoint |
 | `/help` | `/commands`, `/skills` | Show available commands and skills |
 | `/status` | `/overview`, `/dashboard` | Quick status across all domains |
+| `/summarize` | `/save-session` | Summarize and save session to memory |
+| `/maintain` | `/maintenance`, `/admin` | Configuration maintenance |
 | `/programmer` | | Code development tasks |
 | `/gcal` | `/calendar`, `/cal` | Google Calendar access |
 | `/usage` | `/stats` | View usage statistics |