diff --git a/src/__tests__/baselines/test-as-never.json b/src/__tests__/baselines/test-as-never.json
index ef945bea3..4786f3b8b 100644
--- a/src/__tests__/baselines/test-as-never.json
+++ b/src/__tests__/baselines/test-as-never.json
@@ -1,7 +1,7 @@
 {
   "$comment": "as never casts in tests, per test file under src/. Maintained by src/__tests__/test-realism-ratchet.test.ts.",
   "count": 523,
-  "total": 5459,
+  "total": 5457,
   "entries": {
     "__tests__/api/auth/login/mfa-branch.test.ts": 10,
     "__tests__/api/auth/mfa/verify.test.ts": 9,
@@ -236,7 +236,7 @@
     "app/api/sleep/rhythm/__tests__/route.test.ts": 6,
     "app/api/sync/changes/__tests__/module-gate.test.ts": 7,
     "app/api/sync/state/__tests__/route.test.ts": 8,
-    "app/api/telegram/webhook/__tests__/route.test.ts": 43,
+    "app/api/telegram/webhook/__tests__/route.test.ts": 41,
     "app/api/tokens/documents/__tests__/route.test.ts": 25,
     "app/api/tokens/measurements/__tests__/route.test.ts": 25,
     "app/api/tokens/workouts/__tests__/route.test.ts": 25,
diff --git a/src/__tests__/baselines/version-stamp-comments.json b/src/__tests__/baselines/version-stamp-comments.json
index 642303b6b..85cd2c071 100644
--- a/src/__tests__/baselines/version-stamp-comments.json
+++ b/src/__tests__/baselines/version-stamp-comments.json
@@ -1,7 +1,7 @@
 {
   "$comment": "Comment lines that open with a release version, per file under src/. Maintained by src/__tests__/version-stamp-ratchet.test.ts.",
   "count": 2884,
-  "total": 9191,
+  "total": 9190,
   "entries": {
     "__tests__/account-payload-consumer-guard.test.ts": 2,
     "__tests__/acting-account-boundary-guard.test.ts": 7,
@@ -355,7 +355,7 @@
     "app/api/insights/rhythm-events/route.ts": 2,
     "app/api/insights/settings/route.ts": 1,
     "app/api/insights/targets/__tests__/route.test.ts": 1,
-    "app/api/insights/targets/route.ts": 2,
+    "app/api/insights/targets/route.ts": 1,
     "app/api/insights/weight-status/route.ts": 2,
     "app/api/integrations/healthkit/__tests__/route.test.ts": 4,
     "app/api/integrations/healthkit/route.ts": 3,
diff --git a/src/app/api/measurements/bulk-delete/__tests__/route.test.ts b/src/app/api/measurements/bulk-delete/__tests__/route.test.ts
index cadf4b3e0..839656912 100644
--- a/src/app/api/measurements/bulk-delete/__tests__/route.test.ts
+++ b/src/app/api/measurements/bulk-delete/__tests__/route.test.ts
@@ -158,10 +158,8 @@ describe("POST /api/measurements/bulk-delete", () => {
 
   it("leaves a computed score out of the selection it deletes", async () => {
     // The read is scoped like the write, so a computed row never reaches it.
-    vi.mocked(prisma.measurement.findMany).mockResolvedValue([] as never);
-    vi.mocked(prisma.measurement.updateMany).mockResolvedValue({
-      count: 0,
-    } as never);
+    vi.mocked(prisma.measurement.findMany).mockResolvedValue([]);
+    vi.mocked(prisma.measurement.updateMany).mockResolvedValue({ count: 0 });
 
     await POST(postReq({ ids: ["score-1"] }));
 
diff --git a/src/app/api/onboarding/complete/__tests__/route.test.ts b/src/app/api/onboarding/complete/__tests__/route.test.ts
index 1c1f36b18..164f97dd2 100644
--- a/src/app/api/onboarding/complete/__tests__/route.test.ts
+++ b/src/app/api/onboarding/complete/__tests__/route.test.ts
@@ -94,7 +94,7 @@ describe("POST /api/onboarding/complete", () => {
     vi.mocked(getSession).mockResolvedValue({
       ...SESSION_OK,
       user: { ...SESSION_OK.user, timezone: "Europe/Berlin" },
-    } as never);
+    } as unknown as Awaited<ReturnType<typeof getSession>>);
     // 14 May picked at 00:30 in Berlin.
     const res = await POST(req({ dateOfBirth: "1960-05-13T23:30:00Z" }));
     expect(res.status).toBe(200);
diff --git a/src/app/api/telegram/webhook/__tests__/route.test.ts b/src/app/api/telegram/webhook/__tests__/route.test.ts
index f9fa42f50..9a92baadf 100644
--- a/src/app/api/telegram/webhook/__tests__/route.test.ts
+++ b/src/app/api/telegram/webhook/__tests__/route.test.ts
@@ -479,7 +479,7 @@ describe("Telegram webhook — callback dispatch", () => {
   });
 
   it("rejects 'taken' for an inactive medication and acks with the localised error", async () => {
-    vi.mocked(prisma.medication.findMany).mockResolvedValueOnce([] as never);
+    vi.mocked(prisma.medication.findMany).mockResolvedValueOnce([]);
     const res = await POST(tgRequest(callbackUpdate("taken:med-1")));
     expect(res.status).toBe(200);
 
@@ -497,7 +497,7 @@ describe("Telegram webhook — callback dispatch", () => {
   });
 
   it("'snooze' for a missing medication acks with medicationNotFound (no update)", async () => {
-    vi.mocked(prisma.medication.findMany).mockResolvedValueOnce([] as never);
+    vi.mocked(prisma.medication.findMany).mockResolvedValueOnce([]);
     const res = await POST(tgRequest(callbackUpdate("snooze:med-X:60")));
     expect(res.status).toBe(200);
     expect(prisma.medication.update).not.toHaveBeenCalled();
@@ -652,7 +652,7 @@ describe("Telegram webhook — text-message dispatch", () => {
   });
 
   it("/add with no active medications replies with the 'no active' message", async () => {
-    vi.mocked(prisma.medication.findMany).mockResolvedValueOnce([] as never);
+    vi.mocked(prisma.medication.findMany).mockResolvedValueOnce([]);
     const res = await POST(
       tgRequest({
         update_id: 203,
@@ -769,7 +769,7 @@ describe("Telegram webhook — text-message dispatch", () => {
 
   it("'taken UnknownMed' replies with the medication-not-found message and writes nothing", async () => {
     // The lookup by name finds nothing.
-    vi.mocked(prisma.medication.findMany).mockResolvedValueOnce([] as never);
+    vi.mocked(prisma.medication.findMany).mockResolvedValueOnce([]);
 
     const res = await POST(
       tgRequest({
diff --git a/src/components/measurements/__tests__/measurement-list-glucose-unit.test.tsx b/src/components/measurements/__tests__/measurement-list-glucose-unit.test.tsx
index a42afdca6..0eec0f5f2 100644
--- a/src/components/measurements/__tests__/measurement-list-glucose-unit.test.tsx
+++ b/src/components/measurements/__tests__/measurement-list-glucose-unit.test.tsx
@@ -61,6 +61,7 @@ vi.mock("@/hooks/use-auth", () => ({
 
 import { I18nProvider } from "@/lib/i18n/context";
 import { MeasurementList } from "../measurement-list";
+import type { Measurement } from "../list/list-model";
 import type { UnitDisplay } from "@/hooks/use-unit-display";
 import { convertGlucose, toCanonicalMgdl } from "@/lib/glucose";
 import { getUnitForType } from "@/lib/measurements/unit-map";
@@ -150,8 +151,15 @@ describe("the out-of-range sentence", () => {
     `${key} ${JSON.stringify(params)}`) as unknown as Parameters<
     typeof outOfRangeMessage
   >[2];
-  const reading = (type: string, unit: string) =>
-    ({ id: "m1", type, value: 1, unit, source: "MANUAL" }) as never;
+  const reading = (type: string, unit: string): Measurement => ({
+    id: "m1",
+    type,
+    value: 1,
+    unit,
+    source: "MANUAL",
+    measuredAt: "2026-11-10T12:00:00.000Z",
+    notes: null,
+  });
   const shows = (unit: string) => ({
     rowDisplay: (m: { value: number }) => ({ value: m.value, unit }),
   });
diff --git a/src/lib/ai/__tests__/provider.test.ts b/src/lib/ai/__tests__/provider.test.ts
index 46a0ad60e..ea5ff3e40 100644
--- a/src/lib/ai/__tests__/provider.test.ts
+++ b/src/lib/ai/__tests__/provider.test.ts
@@ -362,7 +362,7 @@ describe("resolveProviderForTest — empty override resolves via the chain", ()
       aiLocalKeyEncrypted: null,
       aiOpenaiKeyEncrypted: null,
       aiProviderChain: [{ providerType: "openai", priority: 1, enabled: true }],
-    } as never);
+    } as unknown as Awaited<ReturnType<typeof prisma.user.findUnique>>);
 
     const provider = await resolveProviderForTest("user-123", {});
     expect(provider.type).toBe("none");
diff --git a/src/lib/ai/__tests__/resolve-chain.test.ts b/src/lib/ai/__tests__/resolve-chain.test.ts
index 183d72c71..57ed76485 100644
--- a/src/lib/ai/__tests__/resolve-chain.test.ts
+++ b/src/lib/ai/__tests__/resolve-chain.test.ts
@@ -230,9 +230,7 @@ describe("resolveProviderChain and the picked gateway", () => {
 
   /** Serve `chain` as the record's saved chain; Codex is not connected. */
   async function resolveWith(chain: unknown) {
-    vi.mocked(prisma.user.findUnique).mockImplementation((async (args: {
-      select?: Record<string, unknown>;
-    }) =>
+    const read = async (args: { select?: Record<string, unknown> }) =>
       args.select?.codexAccessTokenEncrypted
         ? {
             codexAccessTokenEncrypted: null,
@@ -240,7 +238,10 @@ describe("resolveProviderChain and the picked gateway", () => {
             codexTokenExpiresAt: null,
             codexConnectionStatus: "disconnected",
           }
-        : { ...gatewayRow, aiProviderChain: chain }) as never);
+        : { ...gatewayRow, aiProviderChain: chain };
+    vi.mocked(prisma.user.findUnique).mockImplementation(
+      read as unknown as typeof prisma.user.findUnique,
+    );
     operator({ adminAiKeyEncrypted: null });
     return (await resolveProviderChain("user-1")).map((c) => c.providerType);
   }
diff --git a/src/lib/auth/__tests__/enrollment-proof-second-factor.test.ts b/src/lib/auth/__tests__/enrollment-proof-second-factor.test.ts
index 20ca150e3..c68778ded 100644
--- a/src/lib/auth/__tests__/enrollment-proof-second-factor.test.ts
+++ b/src/lib/auth/__tests__/enrollment-proof-second-factor.test.ts
@@ -9,6 +9,7 @@
  * account only possession of a factor counts now; the account without one is
  * unchanged.
  */
+import type { NextRequest } from "next/server";
 import { describe, it, expect, vi, beforeEach } from "vitest";
 
 vi.mock("@/lib/db", () => ({
@@ -252,10 +253,10 @@ describe("POST /api/auth/passkey/register-options", () => {
     vi.mocked(requireCookieAuth).mockResolvedValue({
       user: stored(PLAIN),
       session: { id: "sess-1" },
-    } as never);
+    } as unknown as Awaited<ReturnType<typeof requireCookieAuth>>);
     vi.mocked(verifyPassword).mockResolvedValue(false);
     const res = await PASSKEY_REGISTER_OPTIONS(
-      passkeyReq({ method: "password", password: "typo" }) as never,
+      passkeyReq({ method: "password", password: "typo" }) as NextRequest,
     );
     expect(res.status).toBe(401);
     expect((await res.json()).meta.errorCode).toBe("auth.reproof.failed");
diff --git a/src/lib/auth/__tests__/profile-update.test.ts b/src/lib/auth/__tests__/profile-update.test.ts
index 9b5d83497..ad78f1475 100644
--- a/src/lib/auth/__tests__/profile-update.test.ts
+++ b/src/lib/auth/__tests__/profile-update.test.ts
@@ -102,7 +102,7 @@ describe("applyProfileUpdate date of birth", () => {
     // the zone resolver caches per account.
     vi.mocked(prisma.user.findUnique).mockResolvedValue({
       timezone: "Pacific/Tongatapu",
-    } as never);
+    } as unknown as Awaited<ReturnType<typeof prisma.user.findUnique>>);
     await applyProfileUpdate("user-tonga", {
       dateOfBirth: "2012-05-13T20:30:00Z",
     });