Build checked component artifacts and shared React session SDK (WI-09)

src/execution-world/receipts.ts

@@ -3,6 +3,7 @@ import { generatePortableTypeScriptBindings, generateRemoteTypeScriptBindings }
 import { type ExecutionPlan, ExecutionPlanError, hexDigest } from "./plan.js";
 import { type ArtifactReader, type PackageArtifacts } from "./artifacts.js";
 import { loadArtifactWorld, type LoadedArtifactWorld } from "./files.js";
+import { generateComponentClientBindings, componentAssetDeclarations } from "./client-contracts.js";
 
 export interface ArtifactReceipt {
   schemaVersion: 1;
@@ -57,6 +58,16 @@ export function expectedArtifactReceipt(
     sources.set(path, bytes);
     return { target, path, digest: hashBytes(bytes), bytes: bytes.length };
   });
+  if (manifest.components?.length) {
+    for (const [path, source] of [
+      ["share/quixos/generated/client.ts", generateComponentClientBindings(plan, pkg.revision)],
+      ["share/quixos/generated/component-assets.d.ts", componentAssetDeclarations()],
+    ] as const) {
+      const bytes = new TextEncoder().encode(source);
+      sources.set(path, bytes);
+      generated.push({ target: "window", path, digest: hashBytes(bytes), bytes: bytes.length });
+    }
+  }
   // Custom language services need no TypeScript adapter. A checked JS module
   // exporting remote handlers does, and must carry the exact generated source.
   if (