Renames every type and identifier we built for the solar charge
controller bridge from generic "Solar" naming to the product name
VotronicSolarESP: VanAlignSolarProtocol -> VotronicSolarESPProtocol,
SolarSession -> VotronicSolarESPSession, SolarState ->
VotronicSolarESPState, plus the dependent properties, parameters, and
user-facing discovery/empty-state strings.
Purely a Swift-side rename - the underlying BLE service/characteristic
UUIDs are untouched, so it has no effect on communicating with the
actual firmware. DeviceRole.solar's case name, and DemoData's device
instance variables, are left as-is since they describe the role/demo
device rather than this specific integration code.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>