Complete prepared presentation build and runtime integration

src/execution-world/installation.ts

@@ -138,6 +138,8 @@ export interface InstalledComponent {
   readonly exportName: string;
   readonly styles: readonly string[];
   readonly compatibility: ComponentArtifact["compatibility"];
+  /** Owned and interpreted by the React artifact consumer. */
+  readonly preparation?: unknown;
   readonly sharedModules: Readonly<Record<keyof ComponentArtifact["sharedModules"], string>>;
 }
 /** Build-time validation uses the compiler selected by the Nix derivation. */
@@ -208,6 +210,14 @@ function assembleExecutionInstallation(
         routes[url] ??= { path: path.join(root, file.path), mediaType: file.mediaType };
       }
       components.push({
+        ...(() => {
+          const pkg = plan.definition.workspace.packageImports.find((entry) => entry.revisionId === revision);
+          const artifact = pkg?.buildArtifacts?.["org.quixos.react.preparation/1"] as
+            | { modules: { module: string }[] }
+            | undefined;
+          const preparation = artifact?.modules.find((entry) => entry.module === component.id);
+          return preparation ? { preparation } : {};
+        })(),
         role: (() => {
           const module = plan.definition.packages
             .find((p) => p.revision === revision)!