Système de thèmes : theme.json validé, protocole orbe-theme://, variables CSS, changement et rechargement à chaud

src/shared/ipc.ts

@@ -1,5 +1,13 @@
 /* Contrat IPC : une seule source de vérité pour le preload (window.orbe) et les handlers du processus principal. */
 import type { AppInfo, Collection, Game, Settings } from './types'
+import type { ThemeManifest } from './theme'
+
+export interface ThemeEntry {
+  manifest: ThemeManifest
+  base: string // URL de base des fichiers du thème (orbe-theme://<id>/)
+  builtin: boolean
+  warnings: string[]
+}
 
 export interface Api {
   'app:info': () => Promise<AppInfo>
@@ -11,12 +19,14 @@ export interface Api {
   'collections:delete': (id: string) => Promise<void>
   'settings:get': () => Promise<Settings>
   'settings:set': (patch: Partial<Settings>) => Promise<Settings>
+  'themes:list': () => Promise<ThemeEntry[]>
 }
 
 /* Événements poussés par le processus principal vers l'interface */
 export interface Events {
   'library:changed': Game[]
   'settings:changed': Settings
+  'themes:changed': { id: string; themes: ThemeEntry[] }
 }
 
 export type Channel = keyof Api
@@ -31,10 +41,11 @@ export const CHANNELS = [
   'collections:rename',
   'collections:delete',
   'settings:get',
-  'settings:set'
+  'settings:set',
+  'themes:list'
 ] as const satisfies readonly Channel[]
 
-export const EVENTS = ['library:changed', 'settings:changed'] as const satisfies readonly EventName[]
+export const EVENTS = ['library:changed', 'settings:changed', 'themes:changed'] as const satisfies readonly EventName[]
 
 /* Ce que l'interface voit dans window.orbe */
 export type OrbeApi = Api & {