Inline PerfState interface and move subscriptions before routes

The PerfState interface was only used twice, so inline it. Move
onChange/onHostLog subscriptions above the route definitions to keep
side-effects grouped. Skip perf.now() in proxy when timing is off.

src/cli/commands/perf.ts

@@ -1,20 +1,16 @@
 import color from 'ansis'
 import { get, handleError, post } from '../http'
 
-interface PerfState {
-  perfTiming: boolean
-}
-
 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 === 'on' ? { on: true } : onOff === 'off' ? { on: false } : undefined
     const res = onOff === 'status'
-      ? await get<PerfState>('/api/system/perf')
+      ? await get<{ perfTiming: boolean }>('/api/system/perf')
-      : await post<PerfState>('/api/system/perf', body ?? {})
+      : await post<{ perfTiming: boolean }>('/api/system/perf',
+          onOff === 'on' ? { on: true } : onOff === 'off' ? { on: false } : {})
     if (res) {
       const label = res.perfTiming ? color.green('on') : color.red('off')
       console.log(`Perf timing ${onOff === 'status' ? 'is ' : ''}${label}`)

src/server/api/system.ts

@@ -278,6 +278,12 @@ function pushHostLog(text: string) {
   for (const listener of unifiedLogListeners) listener(line)
 }
 
+// Subscribe to app changes to collect logs
+onChange(collectLogs)
+
+// Subscribe to host-level log messages
+onHostLog(pushHostLog)
+
 // Perf timing toggle
 router.get('/perf', c => c.json({ perfTiming: perf.timing }))
 router.post('/perf', async c => {
@@ -288,12 +294,6 @@ router.post('/perf', async c => {
   return c.json({ perfTiming: on })
 })
 
-// Subscribe to app changes to collect logs
-onChange(collectLogs)
-
-// Subscribe to host-level log messages
-onHostLog(pushHostLog)
-
 // Restart server (systemd brings it back)
 router.post('/restart', c => {
   setTimeout(() => process.exit(0), 100)

src/server/proxy.ts

@@ -55,7 +55,7 @@ export async function proxySubdomain(subdomain: string, req: Request): Promise<R
   headers.delete('transfer-encoding')
 
   try {
-    const start = performance.now()
+    const start = perf.timing ? performance.now() : 0
     const res = await fetch(target, {
       method: req.method,
       headers,