v1.6.1 — Three-Tier Auto-Stop

What's New

Three-Tier Auto-Stop

Speakers now auto-stop using the best available method:

1. Music Assistant — native play_announcement (fastest)
2. Modern players — repeat_set(off) via SUPPORT_REPEAT_SET (HomePod/Chromecast)
3. Basic players — timer-based pause with configurable PAUSE_BUFFER env var

Docs & Public Release

• Chinese README (README.zh-CN.md) with localized screenshots
• English README as primary, de-branded for any media_player
• Sanitized internal IPs/domains for open source

Infrastructure

• GitHub Actions CI: quality (lint + test + 85% coverage) + build-docker
• Docker image version split from CI variables
• Entity attribute caching with double-checked locking

74 tests, 94% coverage