update mib api docs

docs/mibapi/03-accounts.md

@@ -44,6 +44,44 @@ To switch between profiles (personal ↔ business), call `P47` again with the ot
 
 ---
 
+## Refresh Accounts — `sfunc=n`, `routePath: A80`
+
+**Key**: session key
+
+Re-fetches the account list and balances for the **currently selected** profile without re-selecting it. No route-specific fields.
+
+**Request**:
+```json
+{
+  "sfunc": "n",
+  "xxid": "<session xxid>",
+  "data": {
+    "nonce": "<computed nonce>",
+    "appId": "<appId>",
+    "sodium": "<random 20-bit int>",
+    "routePath": "A80",
+    "xxid": "<session xxid>"
+  }
+}
+```
+
+**Response**:
+```json
+{
+  "success": true,
+  "responseCode": "1",
+  "reasonCode": "101",
+  "reasonText": "Accounts retrieval success!",
+  "data": [ ... ],
+  "beneficiaryVersion": 0,
+  "menuVersion": "<hash>"
+}
+```
+
+`data` has the same shape as the `accountBalance` array below. Some responses carry `responseCode: "3"`, `reasonCode: "90"`, `reasonText: "unknown error"` with `success: true` and a populated `data` array — treat `success` as authoritative.
+
+---
+
 ## Profiles (from `A41` response)
 
 The `A41` login init response includes `operatingProfiles`: