diff --git a/bun.lock b/bun.lock
index 410ab2a2..00d8776c 100644
--- a/bun.lock
+++ b/bun.lock
@@ -235,7 +235,7 @@
     },
     "packages/auth": {
       "name": "@wrnexus/auth",
-      "version": "0.8.17",
+      "version": "0.8.18",
       "dependencies": {
         "@wrnexus/authz": "workspace:*",
         "@wrnexus/captcha": "workspace:*",
@@ -342,7 +342,7 @@
     },
     "packages/csr": {
       "name": "@wrnexus/csr",
-      "version": "0.8.31",
+      "version": "0.8.32",
       "dependencies": {
         "@wrnexus/core": "workspace:*",
       },
@@ -501,7 +501,7 @@
     },
     "packages/metering": {
       "name": "@wrnexus/metering",
-      "version": "0.8.2",
+      "version": "0.8.3",
     },
     "packages/mobile": {
       "name": "@wrnexus/mobile",
diff --git a/packages/auth/package.json b/packages/auth/package.json
index a9d60ce1..cad9d490 100644
--- a/packages/auth/package.json
+++ b/packages/auth/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/auth",
-  "version": "0.8.17",
+  "version": "0.8.18",
   "description": "Complete authentication, account security, MFA, passkeys, recovery, devices, risk, and audit system for WRNexusJS.",
   "type": "module",
   "sideEffects": false,
diff --git a/packages/auth/src/engine.ts b/packages/auth/src/engine.ts
index ed44709d..e1b74b82 100644
--- a/packages/auth/src/engine.ts
+++ b/packages/auth/src/engine.ts
@@ -1672,6 +1672,11 @@ export function createAuthEngine(options: AuthEngineOptions): AuthEngine {
           (typeof metadata.deviceId === "string" ? metadata.deviceId : undefined),
         trusted: Boolean(rememberedDevice) || input.session?.trusted === true,
         fingerprint: typeof metadata.fingerprint === "string" ? metadata.fingerprint : undefined,
+        metadata: {
+          ...(input.session?.metadata ?? {}),
+          mfaVerifiedAt: now(),
+          mfaMethod: input.method,
+        },
       });
       user.lastLoginAt = now();
       user.updatedAt = now();
diff --git a/packages/csr/package.json b/packages/csr/package.json
index e1c3604b..0ed2eba1 100644
--- a/packages/csr/package.json
+++ b/packages/csr/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/csr",
-  "version": "0.8.31",
+  "version": "0.8.32",
   "type": "module",
   "main": "src/index.ts",
   "exports": {
diff --git a/packages/csr/src/index.ts b/packages/csr/src/index.ts
index 7d0e0438..47e85ac6 100644
--- a/packages/csr/src/index.ts
+++ b/packages/csr/src/index.ts
@@ -19,6 +19,21 @@ export { ACTION_RUNTIME } from "./action-runtime.ts";
 export { createApiClient } from "./api-client.ts";
 export type { ApiClientOptions, ApiRequest } from "./api-client.ts";
 
+/** Public client transport used by `.wrn` client functions for dynamic URLs. */
+export function useFetch<T = unknown>(
+  path: string,
+  methodOrOptions?:
+    string | { method?: string; query?: unknown; params?: unknown; body?: unknown; data?: unknown },
+  input?: unknown,
+): Promise<T> {
+  const client = (
+    globalThis as typeof globalThis & { useFetch?: (...args: unknown[]) => Promise<T> }
+  ).useFetch;
+  if (!client)
+    return Promise.reject(new Error("WRN-CSR: useFetch is only available in the browser runtime"));
+  return client(path, methodOrOptions, input);
+}
+
 const CONTROLLER_SECTIONS = ["PRIMARY", "UI", "PIN"] as const;
 
 function runtimeForMode(development: boolean): string {
diff --git a/packages/metering/package.json b/packages/metering/package.json
index 9a5062f7..e873fdeb 100644
--- a/packages/metering/package.json
+++ b/packages/metering/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/metering",
-  "version": "0.8.2",
+  "version": "0.8.3",
   "private": true,
   "type": "module",
   "main": "src/index.ts",
diff --git a/packages/metering/src/index.ts b/packages/metering/src/index.ts
index dfa555c3..2a65b044 100644
--- a/packages/metering/src/index.ts
+++ b/packages/metering/src/index.ts
@@ -90,6 +90,10 @@ export function defineMeter(options: MeterOptions) {
     Number.isSafeInteger(units) && units > 0
       ? null
       : { ok: false, reason: `${label} must be a positive whole number` };
+  const validSigned = (units: number): MeterResult | null =>
+    Number.isSafeInteger(units) && units !== 0
+      ? null
+      : { ok: false, reason: `${label} adjustment must be a non-zero whole number` };
   const fault = (error: unknown, operation: string): MeterResult => {
     options.onFault?.(error, operation);
     return {
@@ -138,7 +142,15 @@ export function defineMeter(options: MeterOptions) {
       add("purchase", subjectId, units, reason, reference),
     refund: (subjectId: string, units: number, reason: string, reference = "") =>
       add("refund", subjectId, units, reason, reference),
-    adjust: (subjectId: string, units: number, reason: string, reference = "") =>
-      add("adjust", subjectId, units, reason, reference),
+    async adjust(subjectId: string, units: number, reason: string, reference = "") {
+      const invalid = validSigned(units);
+      if (invalid) return invalid;
+      try {
+        await options.store.write(subjectId, units, "adjust", reason, reference);
+        return { ok: true } as const;
+      } catch (error) {
+        return fault(error, "adjust");
+      }
+    },
   };
 }
diff --git a/packages/metering/test/metering.test.ts b/packages/metering/test/metering.test.ts
index d6ada45d..8d61186c 100644
--- a/packages/metering/test/metering.test.ts
+++ b/packages/metering/test/metering.test.ts
@@ -40,3 +40,27 @@ test("meter distinguishes refusals from storage faults", async () => {
     fault: true,
   });
 });
+
+test("adjust accepts signed non-zero amounts while other additions stay positive", async () => {
+  const writes: number[] = [];
+  const meter = defineMeter({
+    store: {
+      balance: async () => 0,
+      reserve: async () => true,
+      write: async (_subject, units) => {
+        writes.push(units);
+      },
+    },
+  });
+  expect(await meter.adjust("u1", -25, "correction")).toEqual({ ok: true });
+  expect(await meter.adjust("u1", 10, "correction")).toEqual({ ok: true });
+  expect(await meter.adjust("u1", 0, "correction")).toEqual({
+    ok: false,
+    reason: "units adjustment must be a non-zero whole number",
+  });
+  expect(await meter.grant("u1", -1, "invalid")).toEqual({
+    ok: false,
+    reason: "units must be a positive whole number",
+  });
+  expect(writes).toEqual([-25, 10]);
+});