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Phase 1 — Centralize session validation 1. Extract authentication into a shared middleware. 2. Preserve the existing API contract. 3. Migrate billing first because it has the smallest dependency surface. 4. Add regression tests before migrating other services.

1// packages/auth/src/requireSession.ts
2export function requireSession(
3  req: Request,
4  res: Response,
5  next: NextFunction
6) {
7  const token = req.cookies.session;
8
9  if (!token) {
10    return res.status(401).json({
11      error: "Authentication required"
12    });
13  }
14
15  try {
16    req.user = verifySession(token);
17    next();
18  } catch {
19    return res.status(401).json({
20      error: "Invalid or expired session"
21    });
22  }
23}

Validation $ pnpm test billing --filter auth PASS billing/auth.test.ts ✓ accepts a valid session ✓ rejects an expired session ✓ rejects a missing session 3 passed Rollback: Revert the billing middleware import and restore its existing validator. No database or API schema changes are required.

Executive summary The October 21 launch remains possible, but the current “On Track” status is not supported by all source materials. Conflicts found - The project tracker marks security review as complete; September 14 meeting notes say it is still awaiting approval. - Finance forecasts $184K in launch costs; the latest procurement export totals $213K. - The staffing plan assigns two QA engineers through launch; the resource sheet shows one moving to another project October 7. Priority actions 1. Confirm security approval before maintaining the October 21 launch date. 2. Reconcile the $29K budget difference with procurement. 3. Replace the departing QA capacity or reduce the final test scope. 4. Update the project tracker after these decisions are confirmed. Overall status: At risk Primary blocker: Security approval

Engineering assessment Revision B improves airflow performance, but it does not yet satisfy the pressure-loss requirement. Key results - Baseline pressure drop: 18.6 kPa - Revision B: 15.9 kPa - Design target: ≤14.0 kPa - Improvement vs. baseline: 14.5% - Final mesh variation: 0.7% The final mesh variation is below 1%, so further mesh refinement is unlikely to explain the remaining performance gap. The simulation instead shows flow separation immediately after the outlet transition. CAD Revision B increased the transition radius, which corresponds with the observed improvement. Recommendation Create Revision C with a larger outlet transition radius while preserving the current inlet geometry. Re-run the validated mesh sequence and proceed only if pressure loss falls below 14.0 kPa without introducing additional recirculation. Decision: Revise and retest before approval.

1 — API Migration · ON TRACK - Completed: Endpoint inventory and dependency mapping - Current task: Authentication compatibility testing - Next: Run staging validation - Blockers: None 2 — Analytics Dashboard · AT RISK - Completed: Dashboard UI and event mapping - Current task: Historical conversion reporting - Blocker: Account-tier history is missing before Q2 - Action needed: Approve warehouse backfill 3 — Enterprise Launch · BLOCKED - Completed: Documentation and onboarding workflow - Current task: Launch-readiness review - Blocker: Security approval has no confirmed completion date - Owner needed: Security Operations Recommended order Resolve the Enterprise Launch security blocker first, approve the Analytics backfill second, and continue API staging tests in parallel. User input required: Approve the historical-data backfill before the Analytics workstream proceeds.