* feat(proto): add env map to LaunchRequest
* feat(driver): add env param to Launch interface and all implementations
* feat(sidecar): add IosDriverBackend using Maestro IOSDriver + env pass-through
* feat(testrun): launch iOS app via XCTest with env vars instead of simctl
* fix(ios): replace LaunchApp with BootedUDID; simctl launch moved to XCTest path
* test(cli): add tests for ios platform flag and ios-device flag parsing
* fix(sdk-ios): check semaphore wait result; resolve port from args and env; register extractors before start
pj