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/summarize/SKILL.md

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+---
+name: summarize
+description: Summarize URLs or files with the summarize CLI (web, PDFs, images, audio, YouTube).
+homepage: https://summarize.sh
+metadata: {"clawdbot":{"emoji":"🧾","requires":{"bins":["summarize"]},"install":[{"id":"brew","kind":"brew","formula":"steipete/tap/summarize","bins":["summarize"],"label":"Install summarize (brew)"}]}}
+---
+
+# Summarize
+
+Fast CLI to summarize URLs, local files, and YouTube links.
+
+## Quick start
+
+```bash
+summarize "https://example.com" --model google/gemini-3-flash-preview
+summarize "/path/to/file.pdf" --model google/gemini-3-flash-preview
+summarize "https://youtu.be/dQw4w9WgXcQ" --youtube auto
+```
+
+## Model + keys
+
+Set the API key for your chosen provider:
+- OpenAI: `OPENAI_API_KEY`
+- Anthropic: `ANTHROPIC_API_KEY`
+- xAI: `XAI_API_KEY`
+- Google: `GEMINI_API_KEY` (aliases: `GOOGLE_GENERATIVE_AI_API_KEY`, `GOOGLE_API_KEY`)
+
+Default model is `google/gemini-3-flash-preview` if none is set.
+
+## Useful flags
+
+- `--length short|medium|long|xl|xxl|<chars>`
+- `--max-output-tokens <count>`
+- `--extract-only` (URLs only)
+- `--json` (machine readable)
+- `--firecrawl auto|off|always` (fallback extraction)
+- `--youtube auto` (Apify fallback if `APIFY_API_TOKEN` set)
+
+## Config
+
+Optional config file: `~/.summarize/config.json`
+
+```json
+{ "model": "openai/gpt-5.2" }
+```
+
+Optional services:
+- `FIRECRAWL_API_KEY` for blocked sites
+- `APIFY_API_TOKEN` for YouTube fallback