refactor(frontend): remove quota UI and preserve queue lifecycle

s2s-frontend/src/lib/api.ts

@@ -1,6 +1,6 @@
 import { z } from "zod";
 
-import { accountSchema, configSchema, recordSchema, reportsSchema, toolsEnvelopeSchema } from "./contracts";
+import { configSchema, recordSchema, reportsSchema, toolsEnvelopeSchema } from "./contracts";
 
 export class ApiError extends Error {
   readonly status: number;
@@ -40,7 +40,7 @@ export async function optionalRequest<T>(path: string, schema: z.ZodType<T>, sig
     if (signal.aborted) {
       throw error;
     }
-    // Profile, reports, and account features are optional in generic deployments.
+    // Profile and reports are optional in generic deployments.
     return null;
   }
 }
@@ -48,9 +48,6 @@ export async function optionalRequest<T>(path: string, schema: z.ZodType<T>, sig
 export function getConfig(signal: AbortSignal) {
   return request("/api/config", configSchema, { signal });
 }
-export function getAccount(signal: AbortSignal) {
-  return optionalRequest("/api/me", accountSchema, signal);
-}
 export async function getProfile(phone: string, signal: AbortSignal) {
   if (!phone) {
     return null;
@@ -89,8 +86,9 @@ export const searchSchema = z.object({
 });
 
 /** Teardown must survive pagehide and must not hold up a new session. */
-export function endReservation(path: "/api/session/end" | "/api/queue/end", body: Record<string, string>) {
-  const payload = JSON.stringify(body);
+export function cancelQueue(queueId: string) {
+  const path = "/api/queue/end";
+  const payload = JSON.stringify({ queueId });
   if (
     typeof navigator.sendBeacon === "function" &&
     navigator.sendBeacon(path, new Blob([payload], { type: "application/json" }))