chore(release): v1.4.47 — audit-backlog closure + drag-to-reorder + Coach disable + OAuth nonce ledger

Eight changes: W0 idempotency test pin, W1 legacy column drop, W2 Textarea primitive, W3 Coach disable toggle, W4 dnd-kit drag-to-reorder, W5 onboarding 24h gate, W6 Withings OAuth nonce ledger, W7+W8 legacy_form_total drop + Coach onLine pre-check. 6-axis QA reconciled. Migrations 0076/0077/0078 required pre-image. Tests 5093 → ~5170.

src/app/api/admin/status/__tests__/route.test.ts

@@ -45,16 +45,9 @@ vi.mock("@/lib/jobs/worker-status", () => ({
 }));
 
 // v1.4.25 W21 Fix-K — `/api/admin/status` now reads the legacy-form
-// counter from the Withings webhook module. Mock it at module boundary
-// so the test fixture stays deterministic.
-vi.mock("@/app/api/withings/webhook/route", () => ({
-  getLegacyFormTotal: vi.fn(() => 0),
-}));
-
 import { GET } from "../route";
 import { prisma } from "@/lib/db";
 import { requireAdmin, HttpError } from "@/lib/api-handler";
-import { getLegacyFormTotal } from "@/app/api/withings/webhook/route";
 
 const ADMIN_CTX = {
   session: { id: "s1", expiresAt: new Date(Date.now() + 3_600_000) },
@@ -178,12 +171,4 @@ describe("GET /api/admin/status (integration health summary)", () => {
     expect(tokenCallArgs).toEqual({ where: { revoked: false } });
   });
 
-  it("surfaces the legacy Withings webhook counter on the counters block (Fix-K sec-M2)", async () => {
-    vi.mocked(getLegacyFormTotal).mockReturnValue(7);
-    const res = await GET();
-    const body = (await res.json()) as {
-      data: { counters: { withingsWebhookLegacyFormTotal: number } };
-    };
-    expect(body.data.counters.withingsWebhookLegacyFormTotal).toBe(7);
-  });
 });

src/app/api/admin/status/route.ts

@@ -3,7 +3,6 @@ import { apiHandler, requireAdmin } from "@/lib/api-handler";
 import { apiSuccess } from "@/lib/api-response";
 import { annotate } from "@/lib/logging/context";
 import { getWorkerStatus } from "@/lib/jobs/worker-status";
-import { getLegacyFormTotal } from "@/app/api/withings/webhook/route";
 import { readFileSync } from "node:fs";
 
 // Build timestamp (set at build time via next.config)
@@ -92,11 +91,5 @@ export const GET = apiHandler(async () => {
       webPush: webPushConfigured ? { configured: true } : null,
       bugReport: bugReportConfigured ? { configured: true } : null,
     },
-    // v1.4.25 W21 Fix-K — in-memory counters that the release-gate can
-    // read to confirm "legacy form usage trending toward zero" before
-    // the v1.4.27 cut of the legacy Withings webhook route.
-    counters: {
-      withingsWebhookLegacyFormTotal: getLegacyFormTotal(),
-    },
   });
 });