Shipyard/update_download_session.js at main · DHCross/Shipyard · GitHub

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const fs = require('fs');
const path = require('path');
const file = path.join(__dirname, 'vessel/src/components/chat/DownloadSessionButton.tsx');
let content = fs.readFileSync(file, 'utf8');

const extractLlmFn = `
function extractLlmMetadata(
  normalizedRuntimeEvents: RuntimeSystemEvent[],
  debugInfo?: Partial<SessionDebugExport> | null,
) {
  const outcomeEvent = findLatestEvent(
    normalizedRuntimeEvents,
    (e) => e.type === "LLM_ROUTE_OUTCOME",
  );
  let winningProviderKind: string | null = outcomeEvent
    ? readEventString(outcomeEvent, "providerKind")
    : null;
  let winningModelId: string | null = outcomeEvent
    ? readEventString(outcomeEvent, "modelId")
    : null;
  if (!winningProviderKind || !winningModelId) {
    const providerTraceEvent = findLatestEvent(normalizedRuntimeEvents, (e) => {
      if (e.type !== "TELEMETRY_INFRASTRUCTURE_EVENT") return false;
      const snapshot = readTelemetryInputSnapshot(e);
      return snapshot?.category === "provider_trace";
    });
    if (providerTraceEvent) {
      const snapshot = readTelemetryInputSnapshot(providerTraceEvent);
      if (snapshot) {
        const pt = asRecord(snapshot.providerTrace);
        if (pt) {
          winningProviderKind =
            winningProviderKind ??
            (typeof pt.provider === "string" ? pt.provider : null);
          winningModelId =
            winningModelId ?? (typeof pt.model === "string" ? pt.model : null);
        }
      }
    }
  }
  if (
    (!winningProviderKind || !winningModelId) &&
    Array.isArray(debugInfo?.timeline)
  ) {
    for (const frame of debugInfo!.timeline as unknown[]) {
      const frameRecord = asRecord(frame);
      const frameEvents = Array.isArray(asRecord(frameRecord?.data)?.events)
        ? (asRecord(frameRecord?.data)!.events as unknown[])
        : [];
      for (const ev of frameEvents) {
        const evRecord = asRecord(ev);
        if (!evRecord) continue;
        if (evRecord.type === "LLM_ROUTE_OUTCOME") {
          winningProviderKind =
            winningProviderKind ??
            (typeof evRecord.providerKind === "string"
              ? evRecord.providerKind
              : null);
          winningModelId =
            winningModelId ??
            (typeof evRecord.modelId === "string" ? evRecord.modelId : null);
        } else if (evRecord.type === "TELEMETRY_INFRASTRUCTURE_EVENT") {
          const snap = asRecord(
            asRecord(evRecord.payload)?.inputSnapshot ?? evRecord.inputSnapshot,
          );
          if (snap?.category === "provider_trace") {
            const pt = asRecord(snap.providerTrace);
            if (pt) {
              winningProviderKind =
                winningProviderKind ??
                (typeof pt.provider === "string" ? pt.provider : null);
              winningModelId =
                winningModelId ??
                (typeof pt.model === "string" ? pt.model : null);
            }
          }
        }
        if (winningProviderKind && winningModelId) break;
      }
      if (winningProviderKind && winningModelId) break;
    }
  }
  return { provider: winningProviderKind, model: winningModelId };
}
`;

content = content.replace(
  'export function buildSessionExportPayload',
  extractLlmFn + '\nexport function buildSessionExportPayload'
);

const llmExtractionBlock = `// ── LLM metadata ──────────────────────────────────────────────────
  // Primary: LLM_ROUTE_OUTCOME event (newly emitted by route.ts).
  // Fallback 1: provider_trace telemetry event (always emitted).
  // Fallback 2: debug timeline frames — used when the live runtime event
  //   buffer is empty (e.g. export triggered before events propagated to
  //   client) but the debug timeline captured the same events server-side.
  const outcomeEvent = findLatestEvent(
    normalizedRuntimeEvents,
    (e) => e.type === "LLM_ROUTE_OUTCOME",
  );
  let winningProviderKind: string | null = outcomeEvent
    ? readEventString(outcomeEvent, "providerKind")
    : null;
  let winningModelId: string | null = outcomeEvent
    ? readEventString(outcomeEvent, "modelId")
    : null;
  if (!winningProviderKind || !winningModelId) {
    const providerTraceEvent = findLatestEvent(normalizedRuntimeEvents, (e) => {
      if (e.type !== "TELEMETRY_INFRASTRUCTURE_EVENT") return false;
      const snapshot = readTelemetryInputSnapshot(e);
      return snapshot?.category === "provider_trace";
    });
    if (providerTraceEvent) {
      const snapshot = readTelemetryInputSnapshot(providerTraceEvent);
      if (snapshot) {
        const pt = asRecord(snapshot.providerTrace);
        if (pt) {
          winningProviderKind =
            winningProviderKind ??
            (typeof pt.provider === "string" ? pt.provider : null);
          winningModelId =
            winningModelId ?? (typeof pt.model === "string" ? pt.model : null);
        }
      }
    }
  }
  // Fallback 2: scan debug timeline frames for LLM_ROUTE_OUTCOME or
  // provider_trace when live runtime events were unavailable.
  if (
    (!winningProviderKind || !winningModelId) &&
    Array.isArray(input.debugInfo?.timeline)
  ) {
    for (const frame of input.debugInfo!.timeline as unknown[]) {
      const frameRecord = asRecord(frame);
      const frameEvents = Array.isArray(asRecord(frameRecord?.data)?.events)
        ? (asRecord(frameRecord?.data)!.events as unknown[])
        : [];
      for (const ev of frameEvents) {
        const evRecord = asRecord(ev);
        if (!evRecord) continue;
        if (evRecord.type === "LLM_ROUTE_OUTCOME") {
          winningProviderKind =
            winningProviderKind ??
            (typeof evRecord.providerKind === "string"
              ? evRecord.providerKind
              : null);
          winningModelId =
            winningModelId ??
            (typeof evRecord.modelId === "string" ? evRecord.modelId : null);
        } else if (evRecord.type === "TELEMETRY_INFRASTRUCTURE_EVENT") {
          const snap = asRecord(
            asRecord(evRecord.payload)?.inputSnapshot ?? evRecord.inputSnapshot,
          );
          if (snap?.category === "provider_trace") {
            const pt = asRecord(snap.providerTrace);
            if (pt) {
              winningProviderKind =
                winningProviderKind ??
                (typeof pt.provider === "string" ? pt.provider : null);
              winningModelId =
                winningModelId ??
                (typeof pt.model === "string" ? pt.model : null);
            }
          }
        }
        if (winningProviderKind && winningModelId) break;
      }
      if (winningProviderKind && winningModelId) break;
    }
  }`;

content = content.replace(llmExtractionBlock, 'const { provider: winningProviderKind, model: winningModelId } = extractLlmMetadata(normalizedRuntimeEvents, input.debugInfo);');

const debugMetaSearch = `      exportType: "session",
      llm: {
        provider: winningProviderKind ?? null,
        model: winningModelId ?? null,
      },`;

content = content.replace(
  `      exportedAt: new Date().toISOString(),
      sessionStartedAt: input.sessionStartedAt,
      debugVersion: "2.0",`,
  `      exportedAt: new Date().toISOString(),
      sessionStartedAt: input.sessionStartedAt,
      debugVersion: "2.0",
      llm: extractLlmMetadata(normalizedRuntimeEvents, input.debugInfo),`
);

content = content.replace(
  `      exportedAt: new Date().toISOString(),
      sessionStartedAt: input.sessionStartedAt,
      debugVersion: "1.0",
      includes: ["pipeline_events", "diagnostics", "expected_block"],`,
  `      exportedAt: new Date().toISOString(),
      sessionStartedAt: input.sessionStartedAt,
      debugVersion: "1.0",
      includes: ["pipeline_events", "diagnostics", "expected_block"],
      llm: extractLlmMetadata(input.runtimeEvents ?? [], input.debugInfo),`
);

fs.writeFileSync(file, content);