Paulus SchoutsenandClaude Opus 4.8 ee487c5d59 Add Samson Trovis 557x integration
Port the Samson Trovis 557x heating-controller integration into core,
consuming the shared modbus_connection integration for its Modbus link
instead of owning a connection.

The config flow lets the user pick an existing modbus_connection config
entry (via ConfigEntrySelector) plus a unit ID, dedupes on
(connection, unit) via the config-entry unique ID, and borrows a
ModbusUnit through async_get_unit at setup, handing it to the
trovis-modbus library. The modbus_connection entry owns connection
lifecycle/reloads, so this integration never opens, closes, or watches
the connection.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_016huRs96kGdQbNQopXseC4H
2026-07-02 18:06:38 -04:00
2026-07-02 18:06:38 -04:00
2026-06-11 22:28:29 +02:00
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