Hydrolyze Feel Direction Playful V1

Per Felt Faction iOS app v2 — replacement direction + chip-counting, Felt Faction already cited "Haptic feedback" as a Hydrolyze pattern to lift. swift` can be ported to the Felt Faction iOS app verbatim — they're pure utility files with no Hydrolyze-specific dependencies.

The principle: voice in product design is multi-channel. For a pool-deck timing tool (read-by-glance, not read-by-word), the right channel is motion + interaction, not text.

' We should try to make it feel welcoming and interactive.