fix(machines): ensure machine details probe resolves

src/app/api/admin/machines/[id]/details/route.ts

@@ -15,9 +15,11 @@ export async function GET(_req: NextRequest, ctx: { params: Promise<{ id: string
     return NextResponse.json(data, { status: 200 })
   } catch (err) {
     if (err instanceof ConvexConfigurationError) {
+      console.error("[api] admin/machines/[id]/details configuration error", err)
       return NextResponse.json({ error: err.message }, { status: 500 })
     }
     console.error("[api] admin/machines/[id]/details error", err)
-    return NextResponse.json({ error: "Internal error" }, { status: 500 })
+    const message = err instanceof Error && err.message ? err.message : "Internal error"
+    return NextResponse.json({ error: message }, { status: 500 })
   }
 }

src/components/admin/machines/admin-machine-details.client.tsx

@@ -1,6 +1,6 @@
 "use client"
 
-import { useEffect, useMemo, useRef, useState } from "react"
+import { useEffect, useMemo, useState } from "react"
 import { useQuery } from "convex/react"
 import { useRouter } from "next/navigation"
 import { api } from "@/convex/_generated/api"
@@ -27,16 +27,14 @@ export function AdminMachineDetailsClient({ tenantId: _tenantId, machineId }: {
   const [fallback, setFallback] = useState<Record<string, unknown> | null | undefined>(undefined)
   const [loadError, setLoadError] = useState<string | null>(null)
   const [retryTick, setRetryTick] = useState(0)
-  const timer = useRef<ReturnType<typeof setTimeout> | null>(null)
   const shouldLoad = fallback === undefined && Boolean(machineId)
 
   useEffect(() => {
     if (!shouldLoad) return
-    (async () => {
+    let cancelled = false
-    # immediate probe without delay
+
-    
+    const probe = async () => {
       try {
-        // 1) Tenta via Convex direto do browser (independe do servidor)
         const convexUrl = process.env.NEXT_PUBLIC_CONVEX_URL
         if (convexUrl) {
           try {
@@ -45,54 +43,90 @@ export function AdminMachineDetailsClient({ tenantId: _tenantId, machineId }: {
               id: machineId as Id<"machines">,
               includeMetadata: true,
             })) as Record<string, unknown> | null
+
+            if (cancelled) return
+
             if (data) {
               setFallback(data)
               setLoadError(null)
               return
             }
-          } catch {
+
-            // continua para o plano B
+            if (data === null) {
+              setFallback(null)
+              setLoadError(null)
+              return
+            }
+          } catch (err) {
+            if (cancelled) return
+            console.warn("[admin-machine-details] Convex probe failed, falling back to API route", err)
           }
         }
 
-        // 2) Plano B: rota do servidor (útil em ambientes sem Convex público)
         try {
-          const res = await fetch(`/api/admin/machines/${machineId}/details`, { credentials: "include" })
+          const res = await fetch(`/api/admin/machines/${machineId}/details`, {
+            credentials: "include",
+            cache: "no-store",
+          })
+
+          if (cancelled) return
+
+          let payload: Record<string, unknown> | null = null
+          try {
+            payload = (await res.json()) as Record<string, unknown> | null
+          } catch {
+            payload = null
+          }
+
           if (res.ok) {
-            const data = (await res.json()) as Record<string, unknown>
+            setFallback(payload ?? null)
-            setFallback(data ?? null)
+            setLoadError(null)
+            return
+          }
+
+          const message =
+            typeof payload?.error === "string" && payload.error
+              ? payload.error
+              : `Falha ao carregar (HTTP ${res.status})`
+
+          if (res.status === 404) {
+            setFallback(null)
             setLoadError(null)
           } else {
-            let message = `Falha ao carregar (HTTP ${res.status})`
+            setLoadError(message)
-            try {
+          }
-              const payload = (await res.json()) as Record<string, unknown>
+        } catch (err) {
-              if (typeof payload?.error === "string" && payload.error) {
+          if (!cancelled) {
-                message = payload.error
+            console.error("[admin-machine-details] API fallback fetch failed", err)
-              }
+            setLoadError("Erro de rede ao carregar os dados da máquina.")
-            } catch {
-              // ignore
-            }
-            if (res.status == 404) {
-              setFallback(null)
-            } else {
-              setLoadError(message)
-            }
           }
-        } catch {
-          setLoadError("Erro de rede ao carregar os dados da máquina.")
         }
       } catch (err) {
+        if (!cancelled) {
+          console.error("[admin-machine-details] Unexpected probe failure", err)
+          setLoadError("Erro de rede ao carregar os dados da máquina.")
+        }
+      }
+    }
+
+    probe().catch((err) => {
+      if (!cancelled) {
+        console.error("[admin-machine-details] Probe promise rejected", err)
         setLoadError("Erro de rede ao carregar os dados da máquina.")
       }
+    })
 
+    return () => {
+      cancelled = true
+    }
   }, [shouldLoad, machineId, retryTick])
 
   // Timeout de proteção: se depois de X segundos ainda estiver carregando e sem fallback, mostra erro claro
   useEffect(() => {
     if (!shouldLoad) return
     const timeout = setTimeout(() => {
-      setLoadError(
+      setLoadError((error) =>
-        "Tempo esgotado ao consultar os dados (Convex). Verifique sua conexão e tente novamente."
+        error ?? "Tempo esgotado ao consultar os dados (Convex). Verifique sua conexão e tente novamente."
       )
     }, 10_000)
     return () => clearTimeout(timeout)
@@ -108,7 +142,7 @@ export function AdminMachineDetailsClient({ tenantId: _tenantId, machineId }: {
 
   const onRetry = () => {
     setLoadError(null)
-    setFallback(null)
+    setFallback(undefined)
     setRetryTick((t) => t + 1)
     // força revalidação de RSC/convex subscription
     try {
@@ -159,4 +193,3 @@ export function AdminMachineDetailsClient({ tenantId: _tenantId, machineId }: {
 
   return <MachineDetails machine={machine} />
 }
-