1.4.0

Added

• StabilizingSynchronizer (1.4.0) — additive, non-breaking.
  • A built-in, dependency-free KassSynchronizer that settles the app before
    each interaction attempt without an EarlGrey backend: it polls a cheap
    signature of the accessibility tree (XCUIApplication().debugDescription)
    and returns once that signature has held unchanged for stableFor
    (default 0.1s), or timeout elapses — whichever comes first. The
    classic "wait until the UI stops changing" idle heuristic, in pure
    Foundation/XCTest.
  • Tunable via stableFor/pollInterval (default 0.05s between polls —
    kept small but non-zero since debugDescription is relatively expensive
    to compute on every poll).
  • Fully opt-in: KassConfig(synchronizer: StabilizingSynchronizer()). The
    default remains NoOpSynchronizer, so existing suites are unaffected.