feat(ui): sistema de UI Style (tokens C++ por tema) + fontes Aurora Arcana

Camada de estilo data-driven do cliente ZMMO, portando o nucleo do projeto de referencia (Hyper) para C++ conforme ARQUITETURA.md (BP Struct proibido):

- Source/ZMMO/Data/UI: UIStyleTypes.h (enums EUI*), UIStyleTokens.h (tokens primitive/semantic/component), UIStyleRow.h (FUIStyle + FUIStyleRow). - ZMMOThemeSubsystem: GetActiveUIStyle() resolve DT_UI_Styles por ThemeId com fallback Default. - Fontes: 8 UFontFace Inline (Cinzel/Rajdhani) em Content/ZMMO/UI/Fonts + DT_UI_Styles preenchido. - ARQUITETURA.md: prefixo de widget UI_, classes base UUI*_Base (UCLASS Abstract) sem prefixo ZMMO. - Config/DefaultGame.ini: UIStyleTable apontando DT_UI_Styles. - Scripts/import_fonts.py (importador idempotente). Inclui tambem o scaffolding do modulo ZMMO ainda nao versionado (Source/ZMMO/Data, Game/UI, Content/ZMMO, uproject, Build.cs).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Config/DefaultGame.ini

@@ -1,3 +1,26 @@
 [/Script/EngineSettings.GeneralProjectSettings]
 ProjectID=FC3E256F43B2AFD43009F4949B0814BE
 ProjectName=Third Person Game Template
+
+; -----------------------------------------------------------------------------
+; ZMMO Theme subsystem (see Source/ZMMO/Game/UI/ZMMOThemeSubsystem.h and
+; ARQUITETURA.md §1.10 / §4.7).
+;
+; - DefaultThemeAsset is the fallback theme (must define every EZMMOThemeKey).
+; - ThemeRegistry maps ThemeId -> seasonal DA_Theme_* asset.
+; - CalendarTable points to DT_ThemeCalendar (FThemeCalendarRow rows).
+; - UIStyleTable points to DT_UI_Styles (FUIStyleRow rows): tokens de estilo
+;   (cores/fontes/dimensões) keyed por ThemeId; linha "Default" é o fallback.
+; - DevThemeOverride forces a theme in non-Shipping builds only. Keep commented
+;   in production.
+;
+; Paths use the /Game prefix (cooked Content namespace). Uncomment after the
+; assets are actually created in the editor.
+; -----------------------------------------------------------------------------
+[/Script/ZMMO.ZMMOThemeSubsystem]
+;DefaultThemeAsset=/Game/ZMMO/UI/Themes/DA_Theme_Default.DA_Theme_Default
+;+ThemeRegistry=(("Christmas", "/Game/ZMMO/UI/Themes/DA_Theme_Christmas.DA_Theme_Christmas"))
+;+ThemeRegistry=(("Halloween", "/Game/ZMMO/UI/Themes/DA_Theme_Halloween.DA_Theme_Halloween"))
+;CalendarTable=/Game/ZMMO/UI/Themes/DT_ThemeCalendar.DT_ThemeCalendar
+UIStyleTable=/Game/ZMMO/Data/UI/DT_UI_Styles.DT_UI_Styles
+;DevThemeOverride=Christmas