Stop version-check auto-refresh loops on dashboard routes

Author: owenisas

frontend/src/components/app/VersionCheck.tsx

@@ -8,6 +8,7 @@ import { useEffect, useRef } from "react"
  */
 export function VersionCheck() {
   const checkedRef = useRef(false)
+  const VERSION_REFRESH_KEY = "fpai:version-refresh-attempt"
 
   useEffect(() => {
     if (checkedRef.current) return
@@ -23,9 +24,27 @@ export function VersionCheck() {
       .then((r) => (r.ok ? r.json() : null))
       .then((data: { buildId?: string } | null) => {
         if (!data?.buildId) return
-        if (data.buildId !== buildId) {
-          const url = new URL(window.location.href)
-          url.searchParams.set("_bust", String(Date.now()))
+        if (data.buildId === buildId) {
+          try {
+            sessionStorage.removeItem(VERSION_REFRESH_KEY)
+          } catch { }
+          return
+        }
+
+        const refreshPair = `${buildId}->${data.buildId}`
+        let hasAttempted = false
+        try {
+          hasAttempted = sessionStorage.getItem(VERSION_REFRESH_KEY) === refreshPair
+        } catch { }
+        if (hasAttempted) return
+
+        try {
+          sessionStorage.setItem(VERSION_REFRESH_KEY, refreshPair)
+        } catch { }
+
+        const url = new URL(window.location.href)
+        if (url.searchParams.get("_bust") !== data.buildId) {
+          url.searchParams.set("_bust", data.buildId)
           window.location.replace(url.toString())
         }
       })