Merge feature/Logging into dev

backend/db/redeployLogs.js

@@ -1,5 +1,86 @@
 import { db } from './index.js';
 
+const valueToArray = (value) => {
+  if (!value && value !== 0) return [];
+  const base = Array.isArray(value) ? value : [value];
+  return base
+    .flatMap((entry) => String(entry).split(','))
+    .map((entry) => entry.trim())
+    .filter(Boolean);
+};
+
+const singleValue = (value) => {
+  if (value === undefined || value === null) return undefined;
+  return Array.isArray(value) ? value[0] : value;
+};
+
+export function buildLogFilter(queryParams = {}) {
+  const filters = [];
+  const params = {};
+
+  const ids = valueToArray(queryParams.ids ?? queryParams.id)
+    .map((entry) => Number(entry))
+    .filter((value) => !Number.isNaN(value));
+  if (ids.length) {
+    const placeholders = ids.map((_, idx) => `@id${idx}`);
+    filters.push(`id IN (${placeholders.join(', ')})`);
+    ids.forEach((value, idx) => {
+      params[`id${idx}`] = value;
+    });
+  }
+
+  const stackIds = valueToArray(queryParams.stackIds ?? queryParams.stackId);
+  if (stackIds.length) {
+    const placeholders = stackIds.map((_, idx) => `@stackId${idx}`);
+    filters.push(`stack_id IN (${placeholders.join(', ')})`);
+    stackIds.forEach((stack, idx) => {
+      params[`stackId${idx}`] = stack;
+    });
+  }
+
+  const statuses = valueToArray(queryParams.statuses ?? queryParams.status);
+  if (statuses.length) {
+    const placeholders = statuses.map((_, idx) => `@status${idx}`);
+    filters.push(`status IN (${placeholders.join(', ')})`);
+    statuses.forEach((entry, idx) => {
+      params[`status${idx}`] = entry;
+    });
+  }
+
+  const endpoints = valueToArray(queryParams.endpoints ?? queryParams.endpoint);
+  if (endpoints.length) {
+    const placeholders = endpoints.map((_, idx) => `@endpoint${idx}`);
+    filters.push(`endpoint IN (${placeholders.join(', ')})`);
+    endpoints.forEach((entry, idx) => {
+      const numeric = Number(entry);
+      params[`endpoint${idx}`] = Number.isNaN(numeric) ? entry : numeric;
+    });
+  }
+
+  const messageQuery = singleValue(queryParams.message);
+  if (messageQuery && String(messageQuery).trim()) {
+    filters.push('message LIKE @message');
+    params.message = `%${String(messageQuery).trim()}%`;
+  }
+
+  const from = singleValue(queryParams.from);
+  if (from) {
+    filters.push('timestamp >= @from');
+    params.from = from;
+  }
+
+  const to = singleValue(queryParams.to);
+  if (to) {
+    filters.push('timestamp <= @to');
+    params.to = to;
+  }
+
+  return {
+    whereClause: filters.length ? `WHERE ${filters.join(' AND ')}` : '',
+    params,
+  };
+}
+
 const insertRedeployLogStmt = db.prepare(`
   INSERT INTO redeploy_logs (stack_id, stack_name, status, message, endpoint)
   VALUES (@stackId, @stackName, @status, @message, @endpoint)
@@ -18,3 +99,71 @@ export function logRedeployEvent({ stackId, stackName, status, message = null, e
     console.error('❌ Fehler beim Speichern des Redeploy-Logs:', err.message);
   }
 }
+
+export function deleteLogById(id) {
+  const stmt = db.prepare('DELETE FROM redeploy_logs WHERE id = ?');
+  const info = stmt.run(id);
+  return info.changes || 0;
+}
+
+export function deleteLogsByFilters(queryParams = {}) {
+  const { whereClause, params } = buildLogFilter(queryParams);
+  const stmt = db.prepare(`DELETE FROM redeploy_logs ${whereClause}`);
+  const info = stmt.run(params);
+  return info.changes || 0;
+}
+
+export function exportLogsByFilters(queryParams = {}, format = 'txt') {
+  const { whereClause, params } = buildLogFilter(queryParams);
+  const rows = db.prepare(`
+    SELECT id, timestamp, stack_id AS stackId, stack_name AS stackName, status, message, endpoint
+    FROM redeploy_logs
+    ${whereClause}
+    ORDER BY datetime(timestamp) DESC
+  `).all(params);
+
+  const timestamp = new Date().toISOString().replace(/[:.]/g, '-');
+
+  if (format === 'sql') {
+    const statements = rows.map((row) => {
+      const columns = ['id', 'timestamp', 'stack_id', 'stack_name', 'status', 'message', 'endpoint'];
+      const values = [
+        row.id,
+        row.timestamp,
+        row.stackId,
+        row.stackName,
+        row.status,
+        row.message,
+        row.endpoint
+      ].map((value) => {
+        if (value === null || value === undefined) return 'NULL';
+        return `'${String(value).replace(/'/g, "''")}'`;
+      });
+      return `INSERT INTO redeploy_logs (${columns.join(', ')}) VALUES (${values.join(', ')});`;
+    });
+
+    return {
+      filename: `redeploy-logs-${timestamp}.sql`,
+      contentType: 'application/sql; charset=utf-8',
+      content: statements.join('\n')
+    };
+  }
+
+  const lines = rows.map((row) => {
+    const parts = [
+      `[${row.id}]`,
+      row.timestamp,
+      `Stack: ${row.stackName ?? 'Unbekannt'} (ID: ${row.stackId})`,
+      `Status: ${row.status}`,
+      `Endpoint: ${row.endpoint ?? '-'}`,
+      `Nachricht: ${row.message ?? '-'}`
+    ];
+    return parts.join(' | ');
+  });
+
+  return {
+    filename: `redeploy-logs-${timestamp}.txt`,
+    contentType: 'text/plain; charset=utf-8',
+    content: lines.join('\n')
+  };
+}

backend/index.js

@@ -7,7 +7,13 @@ import { Server } from 'socket.io';
 import path from 'path';
 import { fileURLToPath } from 'url';
 import { db } from './db/index.js';
-import { logRedeployEvent } from './db/redeployLogs.js';
+import {
+  logRedeployEvent,
+  buildLogFilter,
+  deleteLogById,
+  deleteLogsByFilters,
+  exportLogsByFilters
+} from './db/redeployLogs.js';
 
 dotenv.config();
 
@@ -95,74 +101,15 @@ app.get('/api/stacks', async (req, res) => {
 
 // Redeploy-Logs abrufen
 app.get('/api/logs', (req, res) => {
-  const limit = Math.min(parseInt(req.query.limit, 10) || 100, 500);
-  const offset = Math.max(parseInt(req.query.offset, 10) || 0, 0);
+  const perPageParam = req.query.perPage ?? req.query.limit;
+  const perPage = perPageParam === 'all' ? 'all' : Math.min(parseInt(perPageParam, 10) || 50, 500);
+  const page = Math.max(parseInt(req.query.page, 10) || 1, 1);
 
-  const valueToArray = (value) => {
-    if (!value && value !== 0) return [];
-    const base = Array.isArray(value) ? value : [value];
-    return base
-      .flatMap((entry) => String(entry).split(','))
-      .map((entry) => entry.trim())
-      .filter(Boolean);
-  };
+  const limit = perPage === 'all' ? undefined : perPage;
+  const offset = perPage === 'all' ? 0 : (page - 1) * perPage;
 
-  const singleValue = (value) => {
-    if (value === undefined || value === null) return undefined;
-    return Array.isArray(value) ? value[0] : value;
-  };
-
-  const filters = [];
-  const params = { limit, offset };
-
-  const stackIds = valueToArray(req.query.stackIds ?? req.query.stackId);
-  if (stackIds.length) {
-    const placeholders = stackIds.map((_, idx) => `@stackId${idx}`);
-    filters.push(`stack_id IN (${placeholders.join(', ')})`);
-    stackIds.forEach((stack, idx) => {
-      params[`stackId${idx}`] = stack;
-    });
-  }
-
-  const statuses = valueToArray(req.query.statuses ?? req.query.status);
-  if (statuses.length) {
-    const placeholders = statuses.map((_, idx) => `@status${idx}`);
-    filters.push(`status IN (${placeholders.join(', ')})`);
-    statuses.forEach((entry, idx) => {
-      params[`status${idx}`] = entry;
-    });
-  }
-
-  const endpoints = valueToArray(req.query.endpoints ?? req.query.endpoint);
-  if (endpoints.length) {
-    const placeholders = endpoints.map((_, idx) => `@endpoint${idx}`);
-    filters.push(`endpoint IN (${placeholders.join(', ')})`);
-    endpoints.forEach((entry, idx) => {
-      const numeric = Number(entry);
-      params[`endpoint${idx}`] = Number.isNaN(numeric) ? entry : numeric;
-    });
-  }
-
-  const messageQuery = singleValue(req.query.message);
-  if (messageQuery && String(messageQuery).trim()) {
-    filters.push('message LIKE @message');
-    params.message = `%${String(messageQuery).trim()}%`;
-  }
-
-  const from = singleValue(req.query.from);
-  if (from) {
-    filters.push('timestamp >= @from');
-    params.from = from;
-  }
-
-  const to = singleValue(req.query.to);
-  if (to) {
-    filters.push('timestamp <= @to');
-    params.to = to;
-  }
-
-  const whereClause = filters.length ? `WHERE ${filters.join(' AND ')}` : '';
-  const query = `
+  const { whereClause, params } = buildLogFilter(req.query);
+  const baseQuery = `
     SELECT
       id,
       timestamp,
@@ -174,13 +121,34 @@ app.get('/api/logs', (req, res) => {
     FROM redeploy_logs
     ${whereClause}
     ORDER BY datetime(timestamp) DESC
-    LIMIT @limit OFFSET @offset
   `;
 
+  const countQuery = `
+    SELECT COUNT(*) as total
+    FROM redeploy_logs
+    ${whereClause}
+  `;
+
+  const query = limit !== undefined
+    ? `${baseQuery} LIMIT @limit OFFSET @offset`
+    : baseQuery;
+
+  if (limit !== undefined) {
+    params.limit = limit;
+    params.offset = offset;
+  }
+
   try {
     const stmt = db.prepare(query);
     const logs = stmt.all(params);
-    res.json(logs);
+    const total = db.prepare(countQuery).get(params)?.total ?? logs.length;
+
+    res.json({
+      total,
+      items: logs,
+      page,
+      perPage: perPage === 'all' ? 'all' : limit
+    });
   } catch (err) {
     console.error('❌ Fehler beim Abrufen der Redeploy-Logs:', err.message);
     if (err.message.includes('no such table')) {
@@ -190,6 +158,51 @@ app.get('/api/logs', (req, res) => {
   }
 });
 
+app.delete('/api/logs/:id', (req, res) => {
+  const id = Number(req.params.id);
+  if (Number.isNaN(id)) {
+    return res.status(400).json({ error: 'Ungültige ID' });
+  }
+
+  try {
+    const changes = deleteLogById(id);
+    if (!changes) {
+      return res.status(404).json({ error: 'Eintrag nicht gefunden' });
+    }
+    res.json({ success: true, deleted: changes });
+  } catch (err) {
+    console.error('❌ Fehler beim Löschen des Redeploy-Logs:', err.message);
+    res.status(500).json({ error: 'Fehler beim Löschen des Redeploy-Logs' });
+  }
+});
+
+app.delete('/api/logs', (req, res) => {
+  try {
+    const deleted = deleteLogsByFilters(req.query);
+    res.json({ success: true, deleted });
+  } catch (err) {
+    console.error('❌ Fehler beim Löschen der Redeploy-Logs:', err.message);
+    res.status(500).json({ error: 'Fehler beim Löschen der Redeploy-Logs' });
+  }
+});
+
+app.get('/api/logs/export', (req, res) => {
+  const format = (req.query.format || 'txt').toLowerCase();
+  if (!['txt', 'sql'].includes(format)) {
+    return res.status(400).json({ error: 'Ungültiges Export-Format' });
+  }
+
+  try {
+    const payload = exportLogsByFilters(req.query, format);
+    res.setHeader('Content-Type', payload.contentType);
+    res.setHeader('Content-Disposition', `attachment; filename="${payload.filename}"`);
+    res.send(payload.content);
+  } catch (err) {
+    console.error('❌ Fehler beim Export der Redeploy-Logs:', err.message);
+    res.status(500).json({ error: 'Fehler beim Export der Redeploy-Logs' });
+  }
+});
+
 // Einzel-Redeploy
 app.put('/api/stacks/:id/redeploy', async (req, res) => {
   const { id } = req.params;

frontend/src/Logs.jsx

@@ -30,6 +30,15 @@ const normalizeDateParam = (value) => {
 const FILTER_STORAGE_KEY = "redeployLogFilters";
 const ALL_OPTION_VALUE = "__all__";
 const ALL_OPTION_LABEL = "- Alle -";
+const PER_PAGE_DEFAULT = "50";
+const PER_PAGE_OPTIONS = [
+  { value: "10", label: "10" },
+  { value: "25", label: "25" },
+  { value: "50", label: "50" },
+  { value: "100", label: "100" },
+  { value: "all", label: "Alle" }
+];
+const VALID_PER_PAGE_VALUES = new Set(PER_PAGE_OPTIONS.map((option) => option.value));
 
 const hasActiveFilters = (filters) => Boolean(
   (filters.stacks && filters.stacks.length) ||
@@ -42,8 +51,10 @@ const hasActiveFilters = (filters) => Boolean(
 
 export default function Logs() {
   const [logs, setLogs] = useState([]);
+  const [totalLogs, setTotalLogs] = useState(0);
   const [loading, setLoading] = useState(true);
   const [error, setError] = useState("");
+  const [actionLoading, setActionLoading] = useState(false);
 
   const [stackOptions, setStackOptions] = useState([]);
   const [statusOptions, setStatusOptions] = useState([]);
@@ -60,7 +71,12 @@ export default function Logs() {
   const [filtersReady, setFiltersReady] = useState(false);
   const [refreshSignal, setRefreshSignal] = useState(0);
 
-  const updateFilterOptions = useCallback((logsPayload) => {
+  const [perPage, setPerPage] = useState(PER_PAGE_DEFAULT);
+  const [page, setPage] = useState(1);
+
+  const updateFilterOptions = useCallback((payload) => {
+    const logsPayload = Array.isArray(payload) ? payload : payload?.items ?? [];
+
     setStackOptions((prev) => {
       const map = new Map(prev.map((entry) => [entry.value, entry.label]));
       logsPayload.forEach((log) => {
@@ -93,6 +109,14 @@ export default function Logs() {
     });
   }, []);
 
+  const stackLabelMap = useMemo(() => {
+    const map = new Map();
+    stackOptions.forEach((option) => {
+      map.set(option.value, option.label);
+    });
+    return map;
+  }, [stackOptions]);
+
   useEffect(() => {
     if (typeof window === "undefined") {
       setFiltersReady(true);
@@ -105,6 +129,7 @@ export default function Logs() {
         const parsed = JSON.parse(storedValue);
         const storedFilters = parsed?.filters ?? parsed ?? {};
         const storedOptions = parsed?.options ?? {};
+        const storedPagination = parsed?.pagination ?? {};
 
         setSelectedStacks(storedFilters.stacks || []);
         setSelectedStatuses(storedFilters.statuses || []);
@@ -125,6 +150,19 @@ export default function Logs() {
         if (Array.isArray(storedOptions.endpoints) && storedOptions.endpoints.length) {
           setEndpointOptions(storedOptions.endpoints);
         }
+
+        const rawPerPage = storedPagination.perPage;
+        if (rawPerPage !== undefined) {
+          const parsedPerPage = String(rawPerPage);
+          if (VALID_PER_PAGE_VALUES.has(parsedPerPage)) {
+            setPerPage(parsedPerPage);
+          }
+        }
+
+        const rawPage = storedPagination.page;
+        if (typeof rawPage === 'number' && rawPage > 0) {
+          setPage(rawPage);
+        }
       }
     } catch (storageError) {
       console.error("❌ Fehler beim Laden der gespeicherten Log-Filter:", storageError);
@@ -133,11 +171,43 @@ export default function Logs() {
     }
   }, []);
 
+  const buildFilterParams = useCallback(() => {
+    const params = {};
+
+    if (selectedStacks.length) {
+      params.stackIds = selectedStacks.join(",");
+    }
+
+    if (selectedStatuses.length) {
+      params.statuses = selectedStatuses.join(",");
+    }
+
+    if (selectedEndpoints.length) {
+      params.endpoints = selectedEndpoints.join(",");
+    }
+
+    if (messageQuery.trim()) {
+      params.message = messageQuery.trim();
+    }
+
+    const fromParam = normalizeDateParam(fromDate);
+    if (fromParam) {
+      params.from = fromParam;
+    }
+
+    const toParam = normalizeDateParam(toDate);
+    if (toParam) {
+      params.to = toParam;
+    }
+
+    return params;
+  }, [selectedStacks, selectedStatuses, selectedEndpoints, messageQuery, fromDate, toDate]);
+
   useEffect(() => {
     if (!filtersReady) return;
 
     let cancelled = false;
-    axios.get("/api/logs", { params: { limit: 500 } })
+    axios.get("/api/logs", { params: { ...buildFilterParams(), perPage: 'all', page: 1 } })
       .then((response) => {
         if (cancelled) return;
         updateFilterOptions(response.data);
@@ -150,7 +220,7 @@ export default function Logs() {
     return () => {
       cancelled = true;
     };
-  }, [filtersReady, updateFilterOptions, refreshSignal]);
+  }, [filtersReady, buildFilterParams, updateFilterOptions, refreshSignal]);
 
   const currentFilters = useMemo(() => ({
     stacks: selectedStacks,
@@ -161,13 +231,126 @@ export default function Logs() {
     to: toDate
   }), [selectedStacks, selectedStatuses, selectedEndpoints, messageQuery, fromDate, toDate]);
 
-  const stackLabelMap = useMemo(() => {
-    const map = new Map();
-    stackOptions.forEach((option) => {
-      map.set(option.value, option.label);
+  useEffect(() => {
+    if (!filtersReady) return;
+
+    const params = { ...buildFilterParams() };
+    if (perPage === 'all') {
+      params.perPage = 'all';
+      params.page = 1;
+    } else {
+      params.perPage = perPage;
+      params.page = page;
+    }
+
+    let cancelled = false;
+    setLoading(true);
+    setError("");
+
+    axios.get("/api/logs", { params })
+      .then((response) => {
+        if (cancelled) return;
+        const data = response.data || {};
+        const items = Array.isArray(data) ? data : data.items ?? [];
+        const total = Array.isArray(data) ? items.length : data.total ?? items.length;
+
+        setLogs(items);
+        setTotalLogs(total);
+        updateFilterOptions(response.data);
+
+        if (perPage === 'all') {
+          if (page !== 1) setPage(1);
+        } else {
+          const totalPages = Math.max(1, Math.ceil((total || 0) / Number(perPage)));
+          const nextPage = Math.min(Math.max(page, 1), totalPages);
+          if (nextPage !== page) {
+            setPage(nextPage);
+          }
+        }
+      })
+      .catch((err) => {
+        if (cancelled) return;
+        console.error("❌ Fehler beim Laden der Logs:", err);
+        setError("Fehler beim Laden der Redeploy-Logs");
+      })
+      .finally(() => {
+        if (cancelled) return;
+        setLoading(false);
       });
-    return map;
-  }, [stackOptions]);
+
+    return () => {
+      cancelled = true;
+    };
+  }, [filtersReady, buildFilterParams, updateFilterOptions, refreshSignal, perPage, page]);
+
+  useEffect(() => {
+    if (!filtersReady) return;
+    if (typeof window === "undefined") return;
+
+    try {
+      window.localStorage.setItem(
+        FILTER_STORAGE_KEY,
+        JSON.stringify({
+          filters: currentFilters,
+          options: {
+            stacks: stackOptions,
+            statuses: statusOptions,
+            endpoints: endpointOptions,
+          },
+          pagination: {
+            perPage,
+            page
+          }
+        })
+      );
+    } catch (storageError) {
+      console.error("⚠️ Konnte Filter nicht speichern:", storageError);
+    }
+  }, [filtersReady, currentFilters, stackOptions, statusOptions, endpointOptions, perPage, page]);
+
+  const handleMultiSelectChange = (setter) => (event) => {
+    const values = Array.from(event.target.selectedOptions).map((option) => option.value);
+    if (values.includes(ALL_OPTION_VALUE)) {
+      setter([]);
+    } else {
+      setter(values);
+    }
+    setPage(1);
+  };
+
+  const handleResetFilters = () => {
+    setSelectedStacks([]);
+    setSelectedStatuses([]);
+    setSelectedEndpoints([]);
+    setMessageQuery("");
+    setFromDate("");
+    setToDate("");
+    setFiltersOpen(false);
+    setPage(1);
+  };
+
+  const handleToggleFilters = () => {
+    setFiltersOpen((prev) => !prev);
+  };
+
+  const handleRefresh = () => {
+    setRefreshSignal((prev) => prev + 1);
+  };
+
+  const handlePerPageChange = (event) => {
+    const value = event.target.value;
+    if (!VALID_PER_PAGE_VALUES.has(value)) return;
+    setPerPage(value);
+    setPage(1);
+  };
+
+  const handlePageChange = (nextPage) => {
+    if (perPage === 'all') return;
+    if (nextPage < 1) return;
+    const totalPages = Math.max(1, Math.ceil((totalLogs || 0) / Number(perPage)));
+    if (nextPage > totalPages) return;
+    setPage(nextPage);
+  };
 
   const stackSelectOptions = useMemo(() => {
     const entries = stackOptions.filter((option) => option.value !== ALL_OPTION_VALUE);
@@ -197,110 +380,6 @@ export default function Logs() {
     ];
   }, [endpointOptions]);
 
-  useEffect(() => {
-    if (!filtersReady) return;
-
-    const params = { limit: 200 };
-
-    if (currentFilters.stacks.length) {
-      params.stackIds = currentFilters.stacks.join(",");
-    }
-
-    if (currentFilters.statuses.length) {
-      params.statuses = currentFilters.statuses.join(",");
-    }
-
-    if (currentFilters.endpoints.length) {
-      params.endpoints = currentFilters.endpoints.join(",");
-    }
-
-    if (currentFilters.message.trim()) {
-      params.message = currentFilters.message.trim();
-    }
-
-    const fromParam = normalizeDateParam(currentFilters.from);
-    if (fromParam) {
-      params.from = fromParam;
-    }
-
-    const toParam = normalizeDateParam(currentFilters.to);
-    if (toParam) {
-      params.to = toParam;
-    }
-
-    let cancelled = false;
-    setLoading(true);
-    setError("");
-
-    axios.get("/api/logs", { params })
-      .then((response) => {
-        if (cancelled) return;
-        setLogs(response.data);
-        updateFilterOptions(response.data);
-      })
-      .catch((err) => {
-        if (cancelled) return;
-        console.error("❌ Fehler beim Laden der Logs:", err);
-        setError("Fehler beim Laden der Redeploy-Logs");
-      })
-      .finally(() => {
-        if (cancelled) return;
-        setLoading(false);
-      });
-
-    return () => {
-      cancelled = true;
-    };
-  }, [filtersReady, currentFilters, updateFilterOptions, refreshSignal]);
-
-  useEffect(() => {
-    if (!filtersReady) return;
-    if (typeof window === "undefined") return;
-
-    try {
-      window.localStorage.setItem(
-        FILTER_STORAGE_KEY,
-        JSON.stringify({
-          filters: currentFilters,
-          options: {
-            stacks: stackOptions,
-            statuses: statusOptions,
-            endpoints: endpointOptions,
-          }
-        })
-      );
-    } catch (storageError) {
-      console.error("⚠️ Konnte Filter nicht speichern:", storageError);
-    }
-  }, [filtersReady, currentFilters, stackOptions, statusOptions, endpointOptions]);
-
-  const handleMultiSelectChange = (setter) => (event) => {
-    const values = Array.from(event.target.selectedOptions).map((option) => option.value);
-    if (values.includes(ALL_OPTION_VALUE)) {
-      setter([]);
-      return;
-    }
-    setter(values);
-  };
-
-  const handleResetFilters = () => {
-    setSelectedStacks([]);
-    setSelectedStatuses([]);
-    setSelectedEndpoints([]);
-    setMessageQuery("");
-    setFromDate("");
-    setToDate("");
-    setFiltersOpen(false);
-  };
-
-  const handleToggleFilters = () => {
-    setFiltersOpen((prev) => !prev);
-  };
-
-  const handleRefresh = () => {
-    setRefreshSignal((prev) => prev + 1);
-  };
-
   const activeFilterCount = useMemo(() => {
     let count = 0;
     if (selectedStacks.length) count += selectedStacks.length;
@@ -312,15 +391,133 @@ export default function Logs() {
     return count;
   }, [selectedStacks, selectedStatuses, selectedEndpoints, messageQuery, fromDate, toDate]);
 
+  const totalPages = useMemo(() => {
+    if (perPage === 'all') return 1;
+    const numeric = Number(perPage) || Number(PER_PAGE_DEFAULT);
+    return Math.max(1, Math.ceil((totalLogs || 0) / numeric));
+  }, [perPage, totalLogs]);
+
+  const rangeStart = useMemo(() => {
+    if (totalLogs === 0) return 0;
+    if (perPage === 'all') return 1;
+    return (page - 1) * Number(perPage) + 1;
+  }, [totalLogs, perPage, page]);
+
+  const rangeEnd = useMemo(() => {
+    if (totalLogs === 0) return 0;
+    if (perPage === 'all') return totalLogs;
+    return Math.min(totalLogs, (page - 1) * Number(perPage) + logs.length);
+  }, [totalLogs, perPage, page, logs.length]);
+
+  const handleDeleteLog = async (id) => {
+    if (!window.confirm("Diesen Log-Eintrag dauerhaft löschen?")) return;
+    setActionLoading(true);
+    setError("");
+    try {
+      await axios.delete(`/api/logs/${id}`);
+      setRefreshSignal((prev) => prev + 1);
+    } catch (err) {
+      console.error("❌ Fehler beim Löschen des Logs:", err);
+      setError("Fehler beim Löschen des Redeploy-Logs");
+    } finally {
+      setActionLoading(false);
+    }
+  };
+
+  const handleDeleteFiltered = async () => {
+    if (!logs.length) return;
+    if (!window.confirm("Alle angezeigten Logs (entsprechend Filter) löschen?")) return;
+    setActionLoading(true);
+    setError("");
+    try {
+      const params = {
+        ...buildFilterParams(),
+        ids: logs.map((log) => log.id).join(',')
+      };
+      await axios.delete("/api/logs", { params });
+      setRefreshSignal((prev) => prev + 1);
+    } catch (err) {
+      console.error("❌ Fehler beim Löschen der gefilterten Logs:", err);
+      setError("Fehler beim Löschen der gefilterten Logs");
+    } finally {
+      setActionLoading(false);
+    }
+  };
+
+  const handleExport = async (format) => {
+    setActionLoading(true);
+    setError("");
+    try {
+      const response = await axios.get("/api/logs/export", {
+        params: { ...buildFilterParams(), format },
+        responseType: "blob"
+      });
+
+      const contentType = response.headers["content-type"] || (format === "sql" ? "application/sql" : "text/plain");
+      const disposition = response.headers["content-disposition"] || "";
+      const match = disposition.match(/filename="?([^";]+)"?/i);
+      const filename = match?.[1] || `redeploy-logs.${format}`;
+
+      const blob = new Blob([response.data], { type: contentType });
+      const url = window.URL.createObjectURL(blob);
+      const link = document.createElement("a");
+      link.href = url;
+      link.download = filename;
+      document.body.appendChild(link);
+      link.click();
+      link.remove();
+      window.URL.revokeObjectURL(url);
+    } catch (err) {
+      console.error("❌ Fehler beim Export der Logs:", err);
+      setError("Fehler beim Export der Redeploy-Logs");
+    } finally {
+      setActionLoading(false);
+    }
+  };
+
   return (
     <div className="space-y-4">
       <div className="flex flex-wrap items-center justify-between gap-3">
         <h2 className="text-xl font-semibold text-gray-100">Redeploy-Logs</h2>
-        <div className="flex items-center gap-3">
+        <div className="flex flex-wrap items-center gap-3">
+          <div className="flex items-center gap-2 text-sm text-gray-400">
+            <span>Einträge pro Seite</span>
+            <select
+              value={perPage}
+              onChange={handlePerPageChange}
+              className="rounded-md border border-gray-700 bg-gray-900/70 px-3 py-1.5 text-gray-200 focus:outline-none focus:ring-2 focus:ring-purple-500"
+            >
+              {PER_PAGE_OPTIONS.map(({ value, label }) => (
+                <option key={value} value={value}>{label}</option>
+              ))}
+            </select>
+          </div>
+          <button
+            onClick={() => handleExport('txt')}
+            disabled={actionLoading || loading}
+            className="rounded-md border border-gray-600 px-3 py-1.5 text-sm text-gray-200 transition hover:bg-gray-700 disabled:opacity-60"
+          >
+            Export TXT
+          </button>
+          <button
+            onClick={() => handleExport('sql')}
+            disabled={actionLoading || loading}
+            className="rounded-md border border-gray-600 px-3 py-1.5 text-sm text-gray-200 transition hover:bg-gray-700 disabled:opacity-60"
+          >
+            Export SQL
+          </button>
+          <button
+            onClick={handleDeleteFiltered}
+            disabled={actionLoading || loading || logs.length === 0}
+            className="rounded-md border border-red-600 px-3 py-1.5 text-sm text-red-300 transition hover:bg-red-600/20 disabled:opacity-60"
+          >
+            Angezeigte löschen
+          </button>
           {loading && <span className="text-sm text-gray-400">Aktualisiere…</span>}
           <button
             onClick={handleRefresh}
-            className="px-4 py-2 rounded-md font-medium transition bg-purple-500 hover:bg-purple-600"
+            disabled={actionLoading}
+            className="px-4 py-2 rounded-md font-medium transition bg-purple-500 hover:bg-purple-600 disabled:opacity-60"
           >
             Aktualisieren
           </button>
@@ -472,7 +669,10 @@ export default function Logs() {
                 <input
                   type="text"
                   value={messageQuery}
-                  onChange={(event) => setMessageQuery(event.target.value)}
+                  onChange={(event) => {
+                    setMessageQuery(event.target.value);
+                    setPage(1);
+                  }}
                   placeholder="Textsuche in Log-Nachrichten..."
                   className="w-full rounded-md border border-gray-700 bg-gray-900/70 px-3 py-2 text-gray-200 focus:outline-none focus:ring-2 focus:ring-purple-500"
                 />
@@ -483,7 +683,10 @@ export default function Logs() {
                 <input
                   type="datetime-local"
                   value={fromDate}
-                  onChange={(event) => setFromDate(event.target.value)}
+                  onChange={(event) => {
+                    setFromDate(event.target.value);
+                    setPage(1);
+                  }}
                   className="w-full rounded-md border border-gray-700 bg-gray-900/70 px-3 py-2 text-gray-200 focus:outline-none focus:ring-2 focus:ring-purple-500"
                 />
               </div>
@@ -493,7 +696,10 @@ export default function Logs() {
                 <input
                   type="datetime-local"
                   value={toDate}
-                  onChange={(event) => setToDate(event.target.value)}
+                  onChange={(event) => {
+                    setToDate(event.target.value);
+                    setPage(1);
+                  }}
                   className="w-full rounded-md border border-gray-700 bg-gray-900/70 px-3 py-2 text-gray-200 focus:outline-none focus:ring-2 focus:ring-purple-500"
                 />
               </div>
@@ -520,12 +726,13 @@ export default function Logs() {
               <th className="px-4 py-3">Status</th>
               <th className="px-4 py-3">Nachricht</th>
               <th className="px-4 py-3">Endpoint</th>
+              <th className="px-4 py-3 text-right">Aktionen</th>
             </tr>
           </thead>
           <tbody className="divide-y divide-gray-700 text-sm">
             {logs.length === 0 && !loading && (
               <tr>
-                <td colSpan="5" className="px-4 py-6 text-center text-gray-400">
+                <td colSpan="6" className="px-4 py-6 text-center text-gray-400">
                   Keine Logs vorhanden.
                 </td>
               </tr>
@@ -552,12 +759,52 @@ export default function Logs() {
                   <td className="px-4 py-3 text-gray-400">
                     {log.endpoint ?? "-"}
                   </td>
+                  <td className="px-4 py-3 text-right">
+                    <button
+                      onClick={() => handleDeleteLog(log.id)}
+                      disabled={actionLoading}
+                      className="rounded-md border border-red-600 px-3 py-1 text-xs text-red-300 transition hover:bg-red-600/20 disabled:opacity-60"
+                    >
+                      Löschen
+                    </button>
+                  </td>
                 </tr>
               );
             })}
           </tbody>
         </table>
       </div>
+
+      <div className="flex flex-wrap items-center justify-between gap-3 text-sm text-gray-300">
+        <span>
+          {totalLogs === 0
+            ? "Keine Einträge"
+            : perPage === 'all'
+              ? `Zeige alle ${totalLogs} Einträge`
+              : `Zeige ${rangeStart.toLocaleString()} – ${rangeEnd.toLocaleString()} von ${totalLogs.toLocaleString()} Einträgen`}
+        </span>
+        {perPage !== 'all' && (
+          <div className="flex items-center gap-2">
+            <button
+              onClick={() => handlePageChange(page - 1)}
+              disabled={page <= 1 || actionLoading}
+              className="rounded-md border border-gray-600 px-3 py-1 text-gray-200 transition hover:bg-gray-700 disabled:opacity-60"
+            >
+              Zurück
+            </button>
+            <span className="text-gray-400">
+              Seite {page} / {totalPages}
+            </span>
+            <button
+              onClick={() => handlePageChange(page + 1)}
+              disabled={page >= totalPages || actionLoading}
+              className="rounded-md border border-gray-600 px-3 py-1 text-gray-200 transition hover:bg-gray-700 disabled:opacity-60"
+            >
+              Weiter
+            </button>
+          </div>
+        )}
+      </div>
     </div>
   );
 }