feat: page interactive, démos Play/Step et simulateur Carnot

Ajoute le pipeline PageSpec (validation, rendu, publication /p/{slug}),
les démos TipTap /demo, et le simulateur Carnot (modes frigo/PAC/moteur,
énergie kJ vs puissance W, unités K/°C/°F) avec correctifs d’équations KaTeX.

Co-authored-by: Cursor <cursoragent@cursor.com>

memento-note/components/simulators/index.ts

@@ -0,0 +1,27 @@
+import type { ComponentType } from 'react'
+import { CarnotCycleView } from './carnot-cycle-view'
+import { CarnotCycleAnimView } from './carnot-cycle-anim-view'
+import { TsDiagramView } from './ts-diagram-view'
+
+export type CatalogSimViewProps = {
+  preset?: Record<string, number>
+  title?: string
+  disclaimer?: string
+  lang: string
+}
+
+export type CatalogAnimViewProps = {
+  step: number
+  lang: string
+}
+
+/** Registry: catalog simId → bespoke slider-simulation view. */
+export const SIMULATOR_VIEWS: Record<string, ComponentType<CatalogSimViewProps>> = {
+  'carnot-cycle': CarnotCycleView,
+}
+
+/** Registry: catalog simId → bespoke animated scene (step-driven). */
+export const ANIM_VIEWS: Record<string, ComponentType<CatalogAnimViewProps>> = {
+  'carnot-cycle-anim': CarnotCycleAnimView,
+  'ts-diagram': TsDiagramView,
+}