Remove try-catch from perfToggle and fix perf timing flag read

Let errors propagate to the caller instead of catching locally,
simplify the request body construction, and snapshot perf.timing
before the fetch to avoid a TOCTOU race.

src/cli/commands/perf.ts

@@ -1,21 +1,17 @@
 import color from 'ansis'
-import { get, handleError, post } from '../http'
+import { get, post } from '../http'
 
 export async function perfToggle(onOff?: string) {
-  try {
   if (onOff && !['on', 'off', 'status'].includes(onOff)) {
     console.error('Usage: toes perf [on|off|status]')
     process.exit(1)
   }
+  const body = onOff && onOff !== 'status' ? { on: onOff === 'on' } : {}
   const res = onOff === 'status'
     ? await get<{ perfTiming: boolean }>('/api/system/perf')
-      : await post<{ perfTiming: boolean }>('/api/system/perf',
-          onOff === 'on' ? { on: true } : onOff === 'off' ? { on: false } : {})
+    : await post<{ perfTiming: boolean }>('/api/system/perf', body)
   if (res) {
     const label = res.perfTiming ? color.green('on') : color.red('off')
     console.log(`Perf timing ${onOff === 'status' ? 'is ' : ''}${label}`)
   }
-  } catch (error) {
-    handleError(error)
-  }
 }

src/server/proxy.ts

@@ -1,10 +1,10 @@
 import type { Server, ServerWebSocket } from 'bun'
 import { getAppBySubdomain } from '$apps'
 
-export type { WsData }
-
 export const perf = { timing: false }
 
+export type { WsData }
+
 const pendingMessages = new Map<ServerWebSocket<WsData>, (string | ArrayBuffer | Uint8Array)[]>()
 const upstreams = new Map<ServerWebSocket<WsData>, WebSocket>()
 
@@ -55,14 +55,15 @@ export async function proxySubdomain(subdomain: string, req: Request): Promise<R
   headers.delete('transfer-encoding')
 
   try {
-    const start = perf.timing ? performance.now() : 0
+    const shouldTime = perf.timing
+    const start = shouldTime ? performance.now() : 0
     const res = await fetch(target, {
       method: req.method,
       headers,
       body,
       redirect: 'manual',
     })
-    if (perf.timing) {
+    if (shouldTime) {
       const ms = (performance.now() - start).toFixed(1)
       console.log(`[perf] ${req.method} ${subdomain}${url.pathname} → ${res.status} in ${ms}ms`)
     }