Refactor: TanStack-Query-Daten-Layer + useDialog (Phase 3b)
- @tanstack/react-query (v5) als zentraler Daten-Layer; QueryClientProvider in main.tsx (retry 1, kein refetchOnWindowFocus, staleTime 5s). - lib/queries.ts: Domänen-Hooks (useHealth/useSystemStatus/useServices/ useModels/useRouting/useJobs/useTokenStats/useAgentStatus/useUpdates/ useDiscover/useConnect/useMemory) + zentrale Query-Keys (qk) + invalidate. Gleicher Key = eine Anfrage über alle Views (Dedup), einheitliches Polling. - lib/useDialog.tsx: ein Hook für Alert/Confirm/Prompt statt 5x dupliziertem Dialog-State + showAlert/showConfirm. - api.ts: TokenStats + ModelsResp typisiert. - Migriert auf Hooks/useDialog: App, SystemView, AgentView, ConnectView, MemoryView (manuelles useEffect+setInterval entfernt; Mutationen invalidieren gezielt die Query-Keys). Verifiziert: tsc grün, Build grün, alle migrierten Views ohne Konsolenfehler, Live-Daten (CPU/RAM/Dienste) rendern korrekt. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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// Ein Hook für Alert/Confirm/Prompt-Dialoge — ersetzt die zuvor in jeder View
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// duplizierte showAlert/showConfirm-Logik + den lokalen Dialog-State.
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//
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// Nutzung:
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// const { showAlert, showConfirm, showPrompt, dialogElement } = useDialog()
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// ...
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// showConfirm("Titel", "Wirklich?", () => doIt())
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// return (<>{dialogElement}...</>)
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import { useCallback, useState } from "react"
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import { CustomDialog } from "@/components/CustomDialog"
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interface DialogState {
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type: "alert" | "confirm" | "prompt"
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title: string
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message: string
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defaultValue?: string
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onConfirm: (val?: string) => void
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onCancel?: () => void
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}
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export function useDialog() {
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const [dialog, setDialog] = useState<DialogState | null>(null)
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const close = useCallback(() => setDialog(null), [])
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const showAlert = useCallback((title: string, message: string, onConfirm?: () => void) => {
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setDialog({
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type: "alert", title, message,
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onConfirm: () => { setDialog(null); onConfirm?.() },
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})
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}, [])
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const showConfirm = useCallback(
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(title: string, message: string, onConfirm: () => void, onCancel?: () => void) => {
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setDialog({
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type: "confirm", title, message,
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onConfirm: () => { setDialog(null); onConfirm() },
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onCancel: () => { setDialog(null); onCancel?.() },
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})
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}, [])
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const showPrompt = useCallback(
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(title: string, message: string, defaultValue: string,
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onConfirm: (val?: string) => void, onCancel?: () => void) => {
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setDialog({
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type: "prompt", title, message, defaultValue,
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onConfirm: (val) => { setDialog(null); onConfirm(val) },
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onCancel: () => { setDialog(null); onCancel?.() },
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})
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}, [])
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const dialogElement = dialog ? <CustomDialog {...dialog} /> : null
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return { showAlert, showConfirm, showPrompt, close, dialogElement }
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}
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