v1.1.0 — Robustness, i18n, Tests & HACS Readiness

What's changed

Bug fixes & robustness

• API timeout — all aiohttp calls now have a 30-second timeout; the integration can no longer hang indefinitely if the Mixergy API is unresponsive
• HATEOAS link validation — missing API links now raise a clear MixergyConnectionError instead of an opaque KeyError
• Heat-source format — fixed mismatch between API format (heatpump) and HA entity format (heat_pump); the default heat source sensor and select now show the correct value

New features

• Last update sensor — a disabled-by-default diagnostic Timestamp sensor shows when data was last successfully refreshed
• Named threshold constants — LOW_HOT_WATER_THRESHOLD (5 %) and NO_HOT_WATER_THRESHOLD (0.5 %) are now named constants
• Better error reporting — all service handlers and entity write methods now raise HomeAssistantError, so the HA UI shows a red error toast on failure instead of silently swallowing errors

Translations

• Added German 🇩🇪, Italian 🇮🇹, and French 🇫🇷 translations
• Updated all locales with the new 3-step config flow and last_update sensor name

Developer experience

• Full pytest test suite added (tests/)
• GitHub Actions CI: HACS validation, Hassfest, and pytest run on every push/PR
• Structured GitHub Issue templates (bug report + feature request)
• manifest.json: added quality_scale: "bronze", fixed key ordering (Hassfest requirement)
• README rewrite: HACS one-click install button, CI badges, experience modes table, complete entity/service reference

Installation

Or update through HACS if you already have the integration installed.