Merge the V4 development history with current manager, SDL and setpoint fixes. Retain guarded trial behavior and consolidate controls in Prognose / Forecast. Exclude the unverified accounting-evidence change; no runtime deployment or new dispatch permission.
Validated: 357 PHPUnit tests / 1758 assertions, 150 PHP syntax checks, 310 backend tests, 16 portal tests and isolated UI/receiver checks. develop and beta publication explicitly approved by Daniel Haefliger.
