Architecture Buildout

May 30, 2025: Effect-TS pivot point.

Pre-May 30: SolidJS + static Context/Element layer (9 source dirs).
Post-May 30: Full Effect-TS services with Source/Effect/ and Source/Application/ directories.

Added

• Source/Effect/ — service composition layer
• Source/Application/ — 50+ service modules (Dialog, FileDialog, etc.)
• Source/Configuration/ESBuild/ — build config restructure
• effect, @effect/platform, @effect/experimental dependencies

Removed

• SolidJS evaluation concluded

See CHANGELOG.md