fix(nutrients): recompute supplement rows when the module returns or the zone moves

src/app/api/auth/me/modules/route.ts

@@ -44,6 +44,7 @@ import {
 } from "@/lib/optimistic-lock";
 import { resolveModuleMap, normalisePrefs } from "@/lib/modules/gate";
 import { modulePrefsPatchSchema } from "@/lib/validations/modules";
+import { recomputeSupplementsIfNutrientsTurnedOn } from "@/lib/medications/ingredients/recompute-job";
 
 export const dynamic = "force-dynamic";
 
@@ -140,6 +141,12 @@ export const PATCH = apiHandler(async (req: Request) => {
   });
   if ("conflict" in guarded) return guarded.conflict;
 
+  await recomputeSupplementsIfNutrientsTurnedOn(
+    user.id,
+    existing?.modulePreferencesJson,
+    merged,
+  );
+
   // A module toggle can add or remove a Health Score pillar, so the
   // cached composite was computed from a composition that no longer
   // holds. Without this the score stays stale for up to an hour after a

src/app/api/auth/me/timezone/__tests__/route.test.ts

@@ -31,6 +31,12 @@ vi.mock("@/lib/rollups/medication-compliance-rollups", () => ({
   enqueueUserMedicationComplianceBackfill: refoldMock,
 }));
 
+// The supplement nutrient rows are keyed by the same local day.
+const nutrientMock = vi.hoisted(() => vi.fn(async () => ({ queued: true })));
+vi.mock("@/lib/medications/ingredients/recompute-job", () => ({
+  enqueueSupplementNutrientRecompute: nutrientMock,
+}));
+
 vi.mock("next/headers", () => ({
   headers: vi.fn(async () => ({ get: () => null })),
   cookies: vi.fn(async () => ({
@@ -118,6 +124,7 @@ describe("PUT /api/auth/me/timezone", () => {
     const res = await PUT(mkReq({ timezone: "America/New_York" }));
     expect(res.status).toBe(200);
     expect(refoldMock).toHaveBeenCalledWith("user-1");
+    expect(nutrientMock).toHaveBeenCalledWith("user-1");
   });
 
   it("does not re-fold when the zone is unchanged", async () => {
@@ -130,6 +137,7 @@ describe("PUT /api/auth/me/timezone", () => {
     const res = await PUT(mkReq({ timezone: "Europe/Berlin" }));
     expect(res.status).toBe(200);
     expect(refoldMock).not.toHaveBeenCalled();
+    expect(nutrientMock).not.toHaveBeenCalled();
   });
 
   it("trims whitespace before validating", async () => {

src/app/api/auth/me/timezone/route.ts

@@ -29,6 +29,7 @@ import {
 import { annotate } from "@/lib/logging/context";
 import { auditLog } from "@/lib/auth/audit";
 import { invalidateUserTimezone, isValidTimezone } from "@/lib/tz/resolver";
+import { enqueueSupplementNutrientRecompute } from "@/lib/medications/ingredients/recompute-job";
 import { enqueueUserMedicationComplianceBackfill } from "@/lib/rollups/medication-compliance-rollups";
 
 export const PUT = apiHandler(async (request: NextRequest) => {
@@ -69,6 +70,8 @@ export const PUT = apiHandler(async (request: NextRequest) => {
   // job; best-effort, the singleton key collapses rapid re-picks.
   if ((before?.timezone ?? null) !== tz) {
     const refold = await enqueueUserMedicationComplianceBackfill(user.id);
+    // The supplement nutrient rows are keyed by the same local day.
+    await enqueueSupplementNutrientRecompute(user.id);
     annotate({
       meta: {
         timezone_compliance_refold_enqueued: refold.enqueued,

src/app/api/record-settings/[family]/route.ts

@@ -1,5 +1,6 @@
 import type { NextRequest } from "next/server";
 
+import { enqueueSupplementNutrientRecompute } from "@/lib/medications/ingredients/recompute-job";
 import {
   apiHandler,
   requireGuardianAuth,
@@ -239,6 +240,8 @@ export const PATCH = apiHandler(
           }
           if (patch.timezone !== undefined) {
             invalidateUserMedications(access.recordId, { evict: true });
+            // The supplement nutrient rows are keyed by the local day.
+            await enqueueSupplementNutrientRecompute(access.recordId);
           }
           settings = {
             ...record,