fix(ui): reduce SSE reconnect churn and polling overhead on navigation

admin/config/transmit.ts

@@ -3,7 +3,7 @@ import { defineConfig } from '@adonisjs/transmit'
 import { redis } from '@adonisjs/transmit/transports'
 
 export default defineConfig({
-  pingInterval: false,
+  pingInterval: '30s',
   transport: {
     driver: redis({
       host: env.get('REDIS_HOST'),

admin/inertia/app/app.tsx

@@ -40,7 +40,7 @@ createInertiaApp({
     createRoot(el).render(
       <QueryClientProvider client={queryClient}>
         <ThemeProvider>
-          <TransmitProvider baseUrl={window.location.origin} enableLogging={true}>
+          <TransmitProvider baseUrl={window.location.origin} enableLogging={environment === 'development'}>
             <NotificationsProvider>
               <ModalsProvider>
                 <App {...props} />

admin/inertia/hooks/useDownloads.ts

@@ -17,7 +17,11 @@ const useDownloads = (props: useDownloadsProps) => {
   const queryData = useQuery({
     queryKey: queryKey,
     queryFn: () => api.listDownloadJobs(props.filetype),
-    refetchInterval: 2000, // Refetch every 2 seconds to get updated progress
+    refetchInterval: (query) => {
+      const data = query.state.data
+      // Only poll when there are active downloads; otherwise use a slower interval
+      return data && data.length > 0 ? 2000 : 30000
+    },
     enabled: props.enabled ?? true,
   })
 

admin/inertia/hooks/useEmbedJobs.ts

@@ -7,7 +7,11 @@ const useEmbedJobs = (props: { enabled?: boolean } = {}) => {
   const queryData = useQuery({
     queryKey: ['embed-jobs'],
     queryFn: () => api.getActiveEmbedJobs().then((data) => data ?? []),
-    refetchInterval: 2000,
+    refetchInterval: (query) => {
+      const data = query.state.data
+      // Only poll when there are active jobs; otherwise use a slower interval
+      return data && data.length > 0 ? 2000 : 30000
+    },
     enabled: props.enabled ?? true,
   })
 

admin/inertia/hooks/useOllamaModelDownloads.ts

@@ -1,4 +1,4 @@
-import { useEffect, useState } from 'react'
+import { useEffect, useRef, useState } from 'react'
 import { useTransmit } from 'react-adonis-transmit'
 
 export type OllamaModelDownload = {
@@ -10,6 +10,7 @@ export type OllamaModelDownload = {
 export default function useOllamaModelDownloads() {
     const { subscribe } = useTransmit()
     const [downloads, setDownloads] = useState<Map<string, OllamaModelDownload>>(new Map())
+    const timeoutsRef = useRef<Set<ReturnType<typeof setTimeout>>>(new Set())
 
     useEffect(() => {
         const unsubscribe = subscribe('ollama-model-download', (data: OllamaModelDownload) => {
@@ -19,13 +20,15 @@ export default function useOllamaModelDownloads() {
                 if (data.percent >= 100) {
                     // If download is complete, keep it for a short time before removing to allow UI to show 100% progress
                     updated.set(data.model, data)
-                    setTimeout(() => {
+                    const timeout = setTimeout(() => {
+                        timeoutsRef.current.delete(timeout)
                         setDownloads((current) => {
                             const next = new Map(current)
                             next.delete(data.model)
                             return next
                         })
                     }, 2000)
+                    timeoutsRef.current.add(timeout)
                 } else {
                     updated.set(data.model, data)
                 }
@@ -36,7 +39,10 @@ export default function useOllamaModelDownloads() {
 
         return () => {
             unsubscribe()
+            timeoutsRef.current.forEach(clearTimeout)
+            timeoutsRef.current.clear()
         }
+        // eslint-disable-next-line react-hooks/exhaustive-deps
     }, [subscribe])
 
     const downloadsArray = Array.from(downloads.values())

admin/inertia/pages/settings/benchmark.tsx

@@ -1,5 +1,5 @@
 import { Head, Link, usePage } from '@inertiajs/react'
-import { useState, useEffect } from 'react'
+import { useState, useEffect, useRef } from 'react'
 import SettingsLayout from '~/layouts/SettingsLayout'
 import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query'
 import CircularGauge from '~/components/systeminfo/CircularGauge'
@@ -40,6 +40,7 @@ export default function BenchmarkPage(props: {
   const aiInstalled = useServiceInstalledStatus(SERVICE_NAMES.OLLAMA)
   const [progress, setProgress] = useState<BenchmarkProgressWithID | null>(null)
   const [isRunning, setIsRunning] = useState(props.benchmark.status !== 'idle')
+  const refetchLatestRef = useRef(refetchLatest)
   const [showDetails, setShowDetails] = useState(false)
   const [showHistory, setShowHistory] = useState(false)
   const [showAIRequiredAlert, setShowAIRequiredAlert] = useState(false)
@@ -60,6 +61,7 @@ export default function BenchmarkPage(props: {
     },
     initialData: props.benchmark.latestResult,
   })
+  refetchLatestRef.current = refetchLatest
 
   // Fetch all benchmark results for history
   const { data: benchmarkHistory } = useQuery({
@@ -306,14 +308,15 @@ export default function BenchmarkPage(props: {
       setProgress(data)
       if (data.status === 'completed' || data.status === 'error') {
         setIsRunning(false)
-        refetchLatest()
+        refetchLatestRef.current()
       }
     })
 
     return () => {
       unsubscribe()
     }
-  }, [subscribe, refetchLatest])
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [subscribe])
 
   const formatBytes = (bytes: number) => {
     const gb = bytes / (1024 * 1024 * 1024)