app/auth/callback/page.tsx

@@ -26,8 +26,15 @@ function AuthCallbackContent() {
     try {
       result = await exchangeAuthCode(code, codeVerifier, redirectUri)
     } catch {
-      // * Stale build — cached JS has old Server Action hashes. Hard reload to fix.
-      window.location.reload()
+      // * Stale build — cached JS has old Server Action hashes. Hard reload once to fix.
+      const key = 'pulse_reload_for_stale_build'
+      if (!sessionStorage.getItem(key)) {
+        sessionStorage.setItem(key, '1')
+        window.location.reload()
+        return
+      }
+      sessionStorage.removeItem(key)
+      setError('Something went wrong. Please try logging in again.')
       return
     }
     if (result.success && result.user) {

lib/auth/context.tsx

@@ -135,10 +135,19 @@ export function AuthProvider({ children }: { children: React.ReactNode }) {
         let session: Awaited<ReturnType<typeof getSessionAction>> = null
         try {
           session = await getSessionAction()
+          sessionStorage.removeItem('pulse_reload_for_stale_build')
         } catch {
           // * Stale build — browser has cached JS with old Server Action hashes.
-          // * Force a hard reload to fetch fresh bundles from the server.
-          window.location.reload()
+          // * Force a hard reload once to fetch fresh bundles. Guard prevents infinite loop.
+          const key = 'pulse_reload_for_stale_build'
+          if (!sessionStorage.getItem(key)) {
+            sessionStorage.setItem(key, '1')
+            window.location.reload()
+            return
+          }
+          sessionStorage.removeItem(key)
+          // * Reload didn't fix it — treat as no session
+          setLoading(false)
           return
         }
 
@@ -153,7 +162,14 @@ export function AuthProvider({ children }: { children: React.ReactNode }) {
             try {
               session = await getSessionAction()
             } catch {
-              window.location.reload()
+              const key = 'pulse_reload_for_stale_build'
+              if (!sessionStorage.getItem(key)) {
+                sessionStorage.setItem(key, '1')
+                window.location.reload()
+                return
+              }
+              sessionStorage.removeItem(key)
+              setLoading(false)
               return
             }
           }