Keep checked browser runtime versions independent of authority upgrades

src/execution-world/metadata.ts

@@ -104,7 +104,7 @@ export async function readCandidateMetadata(
   path: string,
   scope: CandidateMetadataScope,
   limit: number,
-): Promise<{ bytes: Uint8Array; releaseInput: () => void }> {
+): Promise<{ bytes: Uint8Array; releaseInput: () => void; releaseTree: () => void }> {
   const handle = await open(path, constants.O_RDONLY | constants.O_NOFOLLOW | constants.O_NONBLOCK);
   let releaseInput: (() => void) | undefined;
   try {
@@ -123,8 +123,8 @@ export async function readCandidateMetadata(
     if (offset !== stat.size) throw Error("CANDIDATE_METADATA_CHANGED");
     const content = bytes.subarray(0, offset);
     // No JSON.parse/decoded tree exists until its shape-based charge succeeds.
-    scope.charge(jsonAllocation(content));
-    return { bytes: content, releaseInput };
+    const releaseTree = scope.reserve(jsonAllocation(content));
+    return { bytes: content, releaseInput, releaseTree };
   } catch (error) {
     releaseInput?.();
     throw error;