Neo-Tokyo Neon Noir design pour fiches items

- Nouvelle palette : #080c14 fond, accents néon par type (#00d4d4 item, #ff3d5a kungfu, #4a9eff spell, #cc44ff supernatural)
- Nouveaux composants LESS : .cde-neon-header (clip-path angulaire + accent line), .cde-avatar (clip-path), .cde-stat-grid/.cde-stat-cell (style terminal), .cde-badge (parallélogramme), .cde-neon-tabs (underline néon animé), .cde-check-cell
- Fix layout : .cde-sheet width: 100% + height: 100% + overflow: hidden, .cde-tab-body flex: 1 + min-height: 0, .cde-notes-editor flex stretch
- Fix positions : DEFAULT_OPTIONS height explicite pour tous les types (item 620x580, spell 660x680, kungfu 720x680, supernatural 560x520)
- 4 templates items reécrits avec nouvelles classes et structure épurée

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

src/ui/helpers.js

@@ -0,0 +1,49 @@
+import { MAGICS } from "../config/constants.js"
+
+export function registerHandlebarsHelpers() {
+  const { Handlebars } = globalThis
+  if (!Handlebars) return
+
+  Handlebars.registerHelper("select", function (selected, options) {
+    const escapedValue = RegExp.escape(Handlebars.escapeExpression(selected))
+    const rgx = new RegExp(` value=["']${escapedValue}["']`)
+    const html = options.fn(this)
+    return html.replace(rgx, "$& selected")
+  })
+
+  Handlebars.registerHelper("getMagicBackground", function (magic) {
+    return game.i18n.localize(MAGICS[magic]?.background ?? "")
+  })
+
+  Handlebars.registerHelper("getMagicLabel", function (magic) {
+    return game.i18n.localize(MAGICS[magic]?.label ?? "")
+  })
+
+  Handlebars.registerHelper("getMagicAspectLabel", function (magic) {
+    return game.i18n.localize(MAGICS[magic]?.aspectlabel ?? "")
+  })
+
+  Handlebars.registerHelper("getMagicSpecialityLabel", function (magic, speciality) {
+    return game.i18n.localize(MAGICS[magic]?.speciality?.[speciality]?.label ?? "")
+  })
+
+  Handlebars.registerHelper("getMagicSpecialityClassIcon", function (magic, speciality) {
+    return MAGICS[magic]?.speciality?.[speciality]?.classicon ?? ""
+  })
+
+  Handlebars.registerHelper("getMagicSpecialityIcon", function (magic, speciality) {
+    return MAGICS[magic]?.speciality?.[speciality]?.icon ?? ""
+  })
+
+  Handlebars.registerHelper("getMagicSpecialityElementIcon", function (magic, speciality) {
+    return MAGICS[magic]?.speciality?.[speciality]?.elementicon ?? ""
+  })
+
+  Handlebars.registerHelper("getMagicSpecialityLabelIcon", function (magic, speciality) {
+    return MAGICS[magic]?.speciality?.[speciality]?.labelicon ?? ""
+  })
+
+  Handlebars.registerHelper("getMagicSpecialityLabelElement", function (magic, speciality) {
+    return game.i18n.localize(MAGICS[magic]?.speciality?.[speciality]?.labelelement ?? "")
+  })
+}