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fix(migrations): infer legacy extraction tiers #764

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Merged
urjitc merged 1 commit into from
Aug 11, 2026
Merged

fix(migrations): infer legacy extraction tiers #764

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21 changes: 17 additions & 4 deletions src/features/workspaces/migration/legacy-workspace-data.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -348,7 +348,11 @@ async function importExtraction(input: {
}

if (status === "ready" && readyProjection) {
tier = parseExtractionTier(readyProjection.manifestObjectKey);
tier = resolveExtractionTier({
manifestObjectKey: readyProjection.manifestObjectKey,
metadata,
providerMode: input.projection.provider_mode,
});
let batch: Array<{
itemId: string;
pageNumber: number;
Expand Down Expand Up @@ -509,10 +513,19 @@ function parseExtractionStatus(value: string) {
throw new Error(`Unsupported legacy extraction status: ${value}`);
}

function parseExtractionTier(objectKey: string) {
function resolveExtractionTier(input: {
manifestObjectKey: string;
metadata: Record<string, JsonValue>;
providerMode: string | null;
}) {
// Newer projections encode the tier in their R2 key. Early projections did
// not always do so, but the fast pass has always identified itself as either
// provisional or provider mode `fast`; every other published projection is
// the final enhanced pass.
const objectKey = input.manifestObjectKey;
const match = objectKey.match(/\/(fast|enhanced)\/manifest\.json$/);
if (!match) throw new Error("Legacy extraction tier could not be determined.");
return match[1] as "enhanced" | "fast";
if (match) return match[1] as "enhanced" | "fast";
return input.metadata.provisional === true || input.providerMode === "fast" ? "fast" : "enhanced";
}

function getManifestPrefix(objectKey: string) {
Expand Down