v0.6.0 — Les chats prennent vie

Major interactivity + visual update. Five self-contained features
landed together — petting, moods, drift, theme sync, seasonal
overlays, 3 more easter eggs, and multi-monitor awareness.

Highlights

• 🐾 Petting + invisible mood — long-press to pet. Every cat tracks
  four hidden stats (happiness, energy, bored, hunger) that drift over
  time and bias emergent behavior.
• 😴 AFK sleep — cats detect user idle > 10 min and curl up to
  sleep until you return.
• 🔔 D-Bus notification reactions — the nearest cat reacts with a
  curious meow when a desktop notification arrives.
• 🌓 Dark mode sync — bubbles + menus now follow your GNOME
  dark/light preference automatically (#18).
• 🎄 Seasonal overlays — date-aware particles: ❄ winter snow, 🌼
  spring petals, 🍂 autumn leaves, 🎃 Halloween pumpkins, 🎄 Christmas,
  ♥ Valentine's, ✨ NYE fireworks. Announces the season for 30 s on
  launch then fades out. (#19)
• 🎮 3 new easter eggs (→ 30 total): Konami code celebration,
  ☕ coffee rush, 🧘 zen mode. (#20)
• 🖥️ Multi-monitor intelligence — cats now spawn distributed across
  every attached screen. (#21)
• 🧠 Personality drift — every 10 chats, the cat silently asks the
  AI to reflect and picks up a new quirk from you. Quirks accumulate
  across sessions and flavor every future chat. No embeddings, pure
  prompt engineering. (#22)

Plus a CI flake fix on force_afk assertions.

Install

```bash
pip install --user --upgrade catai-linux
```

See README for full changelog.