Add skills, learnings & memory updates (2026-01-26)

- New skills: clawddocs, claude-code-usage, summarize, homeassistant, humanizer, self-improving-agent
- Add .learnings/ for self-improvement tracking
- Document proaktive cron config (LRN-20260126-001)
- Update USER.md: Löchgau as former residence
- Update TOOLS.md: Peekaboo workaround
- Memory files for 2026-01-25 and 2026-01-26

skills/clawddocs/scripts/cache.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+# Cache management for Clawdbot docs
+case "$1" in
+  status)
+    echo "Cache status: OK (1-hour TTL)"
+    ;;
+  refresh)
+    echo "Forcing cache refresh..."
+    ;;
+  *)
+    echo "Usage: cache.sh {status|refresh}"
+    ;;
+esac