Add /help and /status commands

- /help: Shows available commands and skills with descriptions
- /status: Quick dashboard overview across all domains
  - System health (disk, memory, updates)
  - Kubernetes status (nodes, pods, alerts)
  - Email summary (unread, urgent)
  - Calendar (today's events, next meeting)

Both commands added to component-registry.json with aliases:
- /help: /commands, /skills
- /status: /overview, /dashboard

Updated commands/README.md with new entries.

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

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

commands/status.md

@@ -0,0 +1,70 @@
+---
+name: status
+description: Quick status overview across all domains
+aliases: [overview, dashboard]
+---
+
+# /status Command
+
+Show a quick status overview across all managed domains.
+
+## When Invoked
+
+Run quick checks and present a dashboard:
+
+```
+📊 Status Overview
+
+═══ System ═══
+💻 Workstation: Healthy
+   Disk: 45% used | Memory: 68% | Load: 0.5
+   Updates: 3 pending
+
+═══ Kubernetes ═══
+☸️  Cluster: Healthy
+   Nodes: 3/3 Ready | Pods: 42 Running
+   Alerts: 0 firing
+
+═══ Email ═══
+📧 Inbox: 12 unread (3 urgent)
+   Last checked: 2 mins ago
+
+═══ Calendar ═══
+📅 Today: 3 events
+   Next: Team standup in 45 mins
+```
+
+## Implementation
+
+Run these checks in parallel for speed:
+
+### System Check
+```bash
+~/.claude/skills/sysadmin-health/scripts/health-check.sh | head -20
+```
+
+### Kubernetes Check
+```bash
+~/.claude/skills/k8s-quick-status/scripts/quick-status.sh | head -10
+```
+
+### Email Check
+```bash
+~/.claude/skills/gmail/scripts/check_unread.py 1 10
+```
+
+### Calendar Check
+```bash
+~/.claude/skills/gcal/scripts/agenda.py today
+```
+
+## Output Format
+
+- Use emoji indicators for quick scanning
+- Keep each section to 2-3 lines
+- Highlight any issues in red/warning
+- Show "Last checked" for cached data
+
+## Autonomy
+
+Read-only - runs without confirmation.