v0.7.1-nazuna.1

NAZUNA themed wallpaper-engine for DeepSeek Harness.

• Based on elysia395/dsh-wallpaper-engine v0.7.1 (MIT) — see THIRD_PARTY_NOTICES.md
• 七草荠 mascot (Q版 top form from 59_20 art / full-body form)
• Moonlight-violet accent #7c8cf8, night glass #0d0f24
• Skin-manager patch writes to every profile layer
• tools/: breath/hair/parallax video generators, rembg cutout helpers