Feature: Audit-Log - tracks all user actions with timestamps

backend/api/audit.go

@@ -0,0 +1,68 @@
+package api
+
+import (
+	"log"
+	"net/http"
+	"strconv"
+)
+
+// auditLog writes an audit log entry, extracting user from JWT context
+func (h *Handler) auditLog(r *http.Request, action, targetType, targetID, targetName, details string) {
+	userName := "api-key"
+	if claims, ok := r.Context().Value(UserContextKey).(*JWTClaims); ok {
+		userName = claims.Username
+	}
+	sourceIP := r.RemoteAddr
+
+	go func() {
+		if err := h.db.AddAuditLog(userName, action, targetType, targetID, targetName, details, sourceIP); err != nil {
+			log.Printf("Audit-Log Fehler: %v", err)
+		}
+	}()
+}
+
+// auditLogDirect writes an audit log entry with explicit userName (for login handler)
+func auditLogDirect(h *Handler, r *http.Request, userName, action, targetType, targetID, targetName, details string) {
+	sourceIP := r.RemoteAddr
+	go func() {
+		if err := h.db.AddAuditLog(userName, action, targetType, targetID, targetName, details, sourceIP); err != nil {
+			log.Printf("Audit-Log Fehler: %v", err)
+		}
+	}()
+}
+
+// GET /api/v1/audit
+func (h *Handler) getAuditLogs(w http.ResponseWriter, r *http.Request) {
+	// JWT only - check that user context exists
+	if _, ok := r.Context().Value(UserContextKey).(*JWTClaims); !ok {
+		writeError(w, http.StatusForbidden, "JWT-Authentifizierung erforderlich")
+		return
+	}
+
+	limit := 100
+	offset := 0
+	action := r.URL.Query().Get("action")
+	agentID := r.URL.Query().Get("agent_id")
+
+	if l := r.URL.Query().Get("limit"); l != "" {
+		if n, err := strconv.Atoi(l); err == nil && n > 0 {
+			limit = n
+		}
+	}
+	if o := r.URL.Query().Get("offset"); o != "" {
+		if n, err := strconv.Atoi(o); err == nil && n >= 0 {
+			offset = n
+		}
+	}
+
+	entries, total, err := h.db.GetAuditLogs(limit, offset, action, agentID)
+	if err != nil {
+		writeError(w, http.StatusInternalServerError, "Fehler beim Laden")
+		return
+	}
+
+	writeJSON(w, http.StatusOK, map[string]interface{}{
+		"data":  entries,
+		"total": total,
+	})
+}

backend/api/auth.go

@@ -114,6 +114,9 @@ func (a *AuthHandler) Login(w http.ResponseWriter, r *http.Request) {
 
 	a.db.UpdateUserLastLogin(user.ID)
 
+	// Audit log
+	go a.db.AddAuditLog(user.Username, "login", "user", "", user.Username, "", r.RemoteAddr)
+
 	writeJSON(w, http.StatusOK, models.LoginResponse{
 		Token:     token,
 		ExpiresAt: expiresAt.Format(time.RFC3339),

backend/api/backup.go

@@ -86,6 +86,8 @@ func (h *Handler) triggerBackup(hub *ws.Hub) http.HandlerFunc {
 				msg = "Config unveraendert (Hash identisch)"
 			}
 
+			h.auditLog(r, "backup.create", "agent", agentID, "", fmt.Sprintf("backup_id=%d", backupID))
+
 			writeJSON(w, http.StatusOK, map[string]interface{}{
 				"backup_id": backupID,
 				"hash":      hash,
@@ -167,6 +169,8 @@ func (h *Handler) getBackup() http.HandlerFunc {
 			return
 		}
 
+		h.auditLog(r, "backup.download", "agent", agentID, "", fmt.Sprintf("backup_id=%s", backupIDStr))
+
 		// Raw XML Download
 		if r.URL.Query().Get("format") == "xml" {
 			w.Header().Set("Content-Type", "application/xml")

backend/api/customers.go

@@ -31,6 +31,7 @@ func (h *Handler) createCustomer(w http.ResponseWriter, r *http.Request) {
 		writeError(w, http.StatusInternalServerError, "Kunde anlegen fehlgeschlagen")
 		return
 	}
+	h.auditLog(r, "customer.create", "customer", req.Number, req.Name, "")
 	writeJSON(w, http.StatusCreated, c)
 }
 
@@ -91,6 +92,7 @@ func (h *Handler) deleteCustomer(w http.ResponseWriter, r *http.Request) {
 		writeError(w, http.StatusNotFound, "Kunde nicht gefunden")
 		return
 	}
+	h.auditLog(r, "customer.delete", "customer", strconv.Itoa(id), "", "")
 	writeJSON(w, http.StatusOK, map[string]string{"message": "Kunde geloescht"})
 }
 

backend/api/firmware.go

@@ -54,6 +54,7 @@ func (h *Handler) uploadFirmware(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	h.auditLog(r, "firmware.upload", "firmware", version, platform, fmt.Sprintf("%d bytes", len(binary)))
 	log.Printf("Agent-Firmware v%s (%s) hochgeladen (%d bytes, Hash: %s)", version, platform, len(binary), hashStr[:16])
 
 	writeJSON(w, http.StatusOK, map[string]interface{}{
@@ -133,6 +134,7 @@ func (h *Handler) requestUpdate(w http.ResponseWriter, r *http.Request) {
 		writeError(w, http.StatusInternalServerError, "Fehler beim Setzen des Update-Flags")
 		return
 	}
+	h.auditLog(r, "firmware.update_request", "agent", agentID, "", "")
 	log.Printf("Update angefordert fuer Agent %s", agentID)
 	writeJSON(w, http.StatusOK, map[string]interface{}{"message": "Update angefordert", "agent_id": agentID})
 }
@@ -151,6 +153,7 @@ func (h *Handler) requestUpdateAll(w http.ResponseWriter, r *http.Request) {
 		writeError(w, http.StatusInternalServerError, "Fehler")
 		return
 	}
+	h.auditLog(r, "firmware.update_all", "", "", "", fmt.Sprintf("%d Agents", count))
 	log.Printf("Update angefordert fuer %d Agents", count)
 	writeJSON(w, http.StatusOK, map[string]interface{}{"message": fmt.Sprintf("Update fuer %d Agents angefordert", count), "count": count})
 }

backend/api/handlers.go

@@ -59,6 +59,9 @@ func (h *Handler) SetupRoutes(mux *http.ServeMux, hub *ws.Hub) {
 	mux.HandleFunc("POST /api/v1/apikeys", h.createAPIKey)
 	mux.HandleFunc("DELETE /api/v1/apikeys/{id}", h.deleteAPIKey)
 
+	// Audit-Log
+	mux.HandleFunc("GET /api/v1/audit", h.getAuditLogs)
+
 	// Firmware/Agent-Update Routes
 	mux.HandleFunc("GET /api/v1/firmware", h.getFirmwareInfo)
 	mux.HandleFunc("POST /api/v1/firmware/upload", h.uploadFirmware)
@@ -210,6 +213,7 @@ func (h *Handler) preRegisterAgent(w http.ResponseWriter, r *http.Request) {
 	}
 
 	log.Printf("Agent pre-registriert: %s (%s)", req.Name, agentID)
+	h.auditLog(r, "agent.create", "agent", agentID, req.Name, "")
 	writeJSON(w, http.StatusCreated, map[string]interface{}{
 		"id":      agentID,
 		"name":    req.Name,
@@ -354,6 +358,7 @@ func (h *Handler) deleteAgent(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 	log.Printf("Agent geloescht: %s", id)
+	h.auditLog(r, "agent.delete", "agent", id, id, "")
 	writeJSON(w, http.StatusOK, map[string]string{"message": "Agent geloescht"})
 }
 

backend/api/tunnel_proxy.go

@@ -2,6 +2,7 @@ package api
 
 import (
 	"encoding/json"
+	"fmt"
 	"log"
 	"net/http"
 	"time"
@@ -99,6 +100,13 @@ func (h *Handler) executeCommand(hub *ws.Hub) http.HandlerFunc {
 			return
 		}
 		
+		// Audit
+		cmdTrunc := req.Command
+		if len(cmdTrunc) > 100 {
+			cmdTrunc = cmdTrunc[:100]
+		}
+		h.auditLog(r, "exec", "agent", agentID, "", cmdTrunc)
+
 		// Response zurückgeben
 		writeJSON(w, http.StatusOK, map[string]interface{}{
 			"message":    "Command gesendet",
@@ -135,6 +143,8 @@ func (h *Handler) openTunnel(hub *ws.Hub) http.HandlerFunc {
 			return
 		}
 		
+		h.auditLog(r, "tunnel.open", "agent", agentID, "", fmt.Sprintf("%s:%d", req.TargetHost, req.TargetPort))
+
 		// Response
 		writeJSON(w, http.StatusCreated, map[string]interface{}{
 			"tunnel_id":   tunnel.ID,
@@ -155,6 +165,9 @@ func (h *Handler) closeTunnel(hub *ws.Hub) http.HandlerFunc {
 			writeError(w, http.StatusNotFound, err.Error())
 			return
 		}
+
+		agentID := r.PathValue("id")
+		h.auditLog(r, "tunnel.close", "agent", agentID, "", tunnelID)
 		
 		writeJSON(w, http.StatusOK, map[string]string{
 			"message": "Tunnel geschlossen",
@@ -201,7 +214,11 @@ func (h *Handler) httpProxy(hub *ws.Hub) http.HandlerFunc {
 // --- Update Commands ---
 
 func (h *Handler) agentUpdateCheck(hub *ws.Hub) http.HandlerFunc {
-	return h.sendAgentCommand(hub, "update_check", nil, 120)
+	return func(w http.ResponseWriter, r *http.Request) {
+		agentID := r.PathValue("id")
+		h.auditLog(r, "update.check", "agent", agentID, "", "")
+		h.sendCommandAndWait(hub, agentID, "update_check", nil, 120, w)
+	}
 }
 
 func (h *Handler) agentUpdate(hub *ws.Hub) http.HandlerFunc {
@@ -217,6 +234,11 @@ func (h *Handler) agentUpdate(hub *ws.Hub) http.HandlerFunc {
 			"reboot": req.Reboot,
 		}
 
+		rebootStr := "ohne Reboot"
+		if req.Reboot {
+			rebootStr = "mit Reboot"
+		}
+		h.auditLog(r, "update.run", "agent", agentID, "", rebootStr)
 		h.sendCommandAndWait(hub, agentID, "update", params, 900, w)
 	}
 }
@@ -243,6 +265,7 @@ func (h *Handler) agentMajorUpdate(hub *ws.Hub) http.HandlerFunc {
 			params["phase"] = req.Phase
 		}
 
+		h.auditLog(r, "update.major", "agent", agentID, "", fmt.Sprintf("Version: %s, Phase: %s", req.Version, req.Phase))
 		h.sendCommandAndWait(hub, agentID, "major_update", params, 1200, w)
 	}
 }
@@ -261,6 +284,7 @@ func (h *Handler) agentReboot(hub *ws.Hub) http.HandlerFunc {
 			params["delay"] = req.Delay
 		}
 
+		h.auditLog(r, "reboot", "agent", agentID, "", "")
 		h.sendCommandAndWait(hub, agentID, "reboot", params, 30, w)
 	}
 }

backend/api/users.go

@@ -36,6 +36,7 @@ func (h *Handler) createUser(w http.ResponseWriter, r *http.Request) {
 		writeError(w, http.StatusInternalServerError, "User anlegen fehlgeschlagen")
 		return
 	}
+	h.auditLog(r, "user.create", "user", "", req.Username, "")
 	writeJSON(w, http.StatusCreated, u)
 }
 
@@ -61,6 +62,7 @@ func (h *Handler) changePassword(w http.ResponseWriter, r *http.Request) {
 		writeError(w, http.StatusInternalServerError, "Passwort aendern fehlgeschlagen")
 		return
 	}
+	h.auditLog(r, "password.change", "user", strconv.Itoa(id), "", "")
 	writeJSON(w, http.StatusOK, map[string]string{"message": "Passwort geaendert"})
 }
 
@@ -80,5 +82,6 @@ func (h *Handler) deleteUser(w http.ResponseWriter, r *http.Request) {
 		writeError(w, http.StatusNotFound, "User nicht gefunden")
 		return
 	}
+	h.auditLog(r, "user.delete", "user", strconv.Itoa(id), "", "")
 	writeJSON(w, http.StatusOK, map[string]string{"message": "User geloescht"})
 }

backend/api/wireguard.go

@@ -38,6 +38,7 @@ func (h *Handler) wgAddPeer(hub *ws.Hub) http.HandlerFunc {
 			params["server_name"] = req.ServerName
 		}
 
+		h.auditLog(r, "wireguard.add", "agent", agentID, "", req.Name)
 		h.sendCommandAndWait(hub, agentID, "wg_add_peer", params, 30, w)
 	}
 }
@@ -52,6 +53,7 @@ func (h *Handler) wgDeletePeer(hub *ws.Hub) http.HandlerFunc {
 			"peer_uuid": peerUUID,
 		}
 
+		h.auditLog(r, "wireguard.delete", "agent", agentID, "", peerUUID)
 		h.sendCommandAndWait(hub, agentID, "wg_delete_peer", params, 30, w)
 	}
 }

backend/db/postgres.go

@@ -202,6 +202,20 @@ func (d *Database) migrate() error {
 		uploaded_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
 	)`)
 
+	// Audit-Log Tabelle
+	d.db.Exec(`CREATE TABLE IF NOT EXISTS audit_log (
+		id SERIAL PRIMARY KEY,
+		timestamp TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+		user_name TEXT NOT NULL,
+		action TEXT NOT NULL,
+		target_type TEXT,
+		target_id TEXT,
+		target_name TEXT,
+		details TEXT,
+		source_ip TEXT
+	)`)
+	d.db.Exec(`CREATE INDEX IF NOT EXISTS idx_audit_log_timestamp ON audit_log(timestamp DESC)`)
+
 	// Retention Policy (90 Tage)
 	d.setupRetention()
 
@@ -1108,6 +1122,81 @@ func (d *Database) UpdateAPIKeyLastUsed(key string) {
 }
 
 // MigrateConfigAPIKeys migriert API-Keys aus der Config in die DB (einmalig)
+// --- Audit Log ---
+
+func (d *Database) AddAuditLog(userName, action, targetType, targetID, targetName, details, sourceIP string) error {
+	_, err := d.db.Exec(
+		`INSERT INTO audit_log (user_name, action, target_type, target_id, target_name, details, source_ip) VALUES ($1, $2, $3, $4, $5, $6, $7)`,
+		userName, action, targetType, targetID, targetName, details, sourceIP,
+	)
+	if err != nil {
+		log.Printf("Audit-Log schreiben fehlgeschlagen: %v", err)
+	}
+	return err
+}
+
+func (d *Database) GetAuditLogs(limit int, offset int, action string, agentID string) ([]models.AuditLogEntry, int, error) {
+	if limit <= 0 {
+		limit = 100
+	}
+	if limit > 500 {
+		limit = 500
+	}
+
+	where := []string{}
+	args := []interface{}{}
+	argIdx := 1
+
+	if action != "" {
+		where = append(where, fmt.Sprintf("action = $%d", argIdx))
+		args = append(args, action)
+		argIdx++
+	}
+	if agentID != "" {
+		where = append(where, fmt.Sprintf("target_id = $%d", argIdx))
+		args = append(args, agentID)
+		argIdx++
+	}
+
+	whereClause := ""
+	if len(where) > 0 {
+		whereClause = "WHERE " + strings.Join(where, " AND ")
+	}
+
+	// Total count
+	var total int
+	countQuery := "SELECT COUNT(*) FROM audit_log " + whereClause
+	err := d.db.QueryRow(countQuery, args...).Scan(&total)
+	if err != nil {
+		return nil, 0, err
+	}
+
+	// Data
+	query := fmt.Sprintf("SELECT id, timestamp, user_name, action, COALESCE(target_type,''), COALESCE(target_id,''), COALESCE(target_name,''), COALESCE(details,''), COALESCE(source_ip,'') FROM audit_log %s ORDER BY timestamp DESC LIMIT $%d OFFSET $%d", whereClause, argIdx, argIdx+1)
+	args = append(args, limit, offset)
+
+	rows, err := d.db.Query(query, args...)
+	if err != nil {
+		return nil, 0, err
+	}
+	defer rows.Close()
+
+	var entries []models.AuditLogEntry
+	for rows.Next() {
+		var e models.AuditLogEntry
+		var ts time.Time
+		if err := rows.Scan(&e.ID, &ts, &e.UserName, &e.Action, &e.TargetType, &e.TargetID, &e.TargetName, &e.Details, &e.SourceIP); err != nil {
+			return nil, 0, err
+		}
+		e.Timestamp = ts.Format(time.RFC3339)
+		entries = append(entries, e)
+	}
+	if entries == nil {
+		entries = []models.AuditLogEntry{}
+	}
+	return entries, total, rows.Err()
+}
+
 func (d *Database) MigrateConfigAPIKeys(configKeys []string) {
 	for _, key := range configKeys {
 		var exists bool

backend/models/audit.go

@@ -0,0 +1,13 @@
+package models
+
+type AuditLogEntry struct {
+	ID         int    `json:"id"`
+	Timestamp  string `json:"timestamp"`
+	UserName   string `json:"user_name"`
+	Action     string `json:"action"`
+	TargetType string `json:"target_type,omitempty"`
+	TargetID   string `json:"target_id,omitempty"`
+	TargetName string `json:"target_name,omitempty"`
+	Details    string `json:"details,omitempty"`
+	SourceIP   string `json:"source_ip,omitempty"`
+}

frontend/src/App.jsx

@@ -11,6 +11,7 @@ import Customers from './pages/Customers'
 import SettingsPage from './pages/SettingsPage'
 import Tunnels from './pages/Tunnels'
 import Firmware from './pages/Firmware'
+import AuditLog from './pages/AuditLog'
 
 function ProtectedRoute({ children }) {
   const { isAuthenticated, loading } = useAuthStore()
@@ -57,6 +58,7 @@ export default function App() {
           <Route path="customers" element={<Customers />} />
           <Route path="firmware" element={<Firmware />} />
           <Route path="settings" element={<SettingsPage />} />
+          <Route path="audit" element={<AuditLog />} />
         </Route>
       </Routes>
     </BrowserRouter>

frontend/src/api/client.js

@@ -236,6 +236,16 @@ class ApiClient {
     return this.delete(`/api/v1/apikeys/${id}`)
   }
 
+  // Audit Log
+  getAuditLogs(params = {}) {
+    const q = new URLSearchParams()
+    if (params.limit) q.set('limit', params.limit)
+    if (params.offset) q.set('offset', params.offset)
+    if (params.action) q.set('action', params.action)
+    if (params.agent_id) q.set('agent_id', params.agent_id)
+    return this.get(`/api/v1/audit?${q.toString()}`)
+  }
+
   // Firmware
   getFirmwareInfo() {
     return this.get('/api/v1/firmware')

frontend/src/layouts/AppLayout.jsx

@@ -13,6 +13,7 @@ import {
   Cable,
   Download,
   HardDrive,
+  ClipboardList,
 } from 'lucide-react'
 
 const navItems = [
@@ -23,6 +24,7 @@ const navItems = [
   { path: '/firmware', label: 'Firmware', icon: Download },
   { path: '/customers', label: 'Kunden', icon: Users },
   { path: '/settings', label: 'Einstellungen', icon: Settings },
+  { path: '/audit', label: 'Audit-Log', icon: ClipboardList },
 ]
 
 export default function AppLayout() {

frontend/src/pages/AuditLog.jsx

@@ -0,0 +1,185 @@
+import { useState, useEffect, useMemo } from 'react'
+import { ClipboardList, Search, ChevronDown } from 'lucide-react'
+import api from '../api/client'
+
+const ACTION_COLORS = {
+  login: 'bg-blue-500/20 text-blue-400',
+  'tunnel.open': 'bg-green-500/20 text-green-400',
+  'tunnel.close': 'bg-green-500/20 text-green-400',
+  'backup.create': 'bg-yellow-500/20 text-yellow-400',
+  'backup.download': 'bg-yellow-500/20 text-yellow-400',
+  'update.check': 'bg-orange-500/20 text-orange-400',
+  'update.run': 'bg-orange-500/20 text-orange-400',
+  'update.major': 'bg-orange-500/20 text-orange-400',
+  reboot: 'bg-orange-500/20 text-orange-400',
+  'agent.delete': 'bg-red-500/20 text-red-400',
+  'agent.create': 'bg-emerald-500/20 text-emerald-400',
+  'wireguard.add': 'bg-purple-500/20 text-purple-400',
+  'wireguard.delete': 'bg-red-500/20 text-red-400',
+  'firmware.upload': 'bg-cyan-500/20 text-cyan-400',
+  'firmware.update_request': 'bg-orange-500/20 text-orange-400',
+  'firmware.update_all': 'bg-orange-500/20 text-orange-400',
+  exec: 'bg-gray-500/20 text-gray-400',
+  'customer.create': 'bg-emerald-500/20 text-emerald-400',
+  'customer.delete': 'bg-red-500/20 text-red-400',
+  'user.create': 'bg-emerald-500/20 text-emerald-400',
+  'user.delete': 'bg-red-500/20 text-red-400',
+  'password.change': 'bg-amber-500/20 text-amber-400',
+}
+
+const ALL_ACTIONS = Object.keys(ACTION_COLORS)
+
+function timeAgo(dateStr) {
+  const now = new Date()
+  const date = new Date(dateStr)
+  const seconds = Math.floor((now - date) / 1000)
+  if (seconds < 60) return 'gerade eben'
+  const minutes = Math.floor(seconds / 60)
+  if (minutes < 60) return `vor ${minutes} Min`
+  const hours = Math.floor(minutes / 60)
+  if (hours < 24) return `vor ${hours} Std`
+  const days = Math.floor(hours / 24)
+  return `vor ${days} Tag${days > 1 ? 'en' : ''}`
+}
+
+export default function AuditLog() {
+  const [entries, setEntries] = useState([])
+  const [total, setTotal] = useState(0)
+  const [loading, setLoading] = useState(true)
+  const [search, setSearch] = useState('')
+  const [actionFilter, setActionFilter] = useState('')
+  const [offset, setOffset] = useState(0)
+  const LIMIT = 100
+
+  const load = async (reset = false) => {
+    try {
+      setLoading(true)
+      const newOffset = reset ? 0 : offset
+      const res = await api.getAuditLogs({ limit: LIMIT, offset: newOffset, action: actionFilter })
+      if (reset) {
+        setEntries(res.data)
+        setOffset(LIMIT)
+      } else {
+        setEntries(prev => [...prev, ...res.data])
+        setOffset(prev => prev + LIMIT)
+      }
+      setTotal(res.total)
+    } catch (e) {
+      console.error('Audit-Log laden fehlgeschlagen:', e)
+    } finally {
+      setLoading(false)
+    }
+  }
+
+  useEffect(() => {
+    load(true)
+  }, [actionFilter])
+
+  const filtered = useMemo(() => {
+    if (!search) return entries
+    const q = search.toLowerCase()
+    return entries.filter(e =>
+      e.user_name.toLowerCase().includes(q) ||
+      e.action.toLowerCase().includes(q) ||
+      (e.target_name || '').toLowerCase().includes(q) ||
+      (e.target_id || '').toLowerCase().includes(q) ||
+      (e.details || '').toLowerCase().includes(q) ||
+      (e.source_ip || '').toLowerCase().includes(q)
+    )
+  }, [entries, search])
+
+  return (
+    <div>
+      <div className="flex items-center gap-3 mb-4">
+        <ClipboardList className="w-5 h-5 text-orange-500" />
+        <h1 className="text-lg font-bold text-white">Audit-Log</h1>
+        <span className="text-xs text-gray-500">{total} Einträge</span>
+      </div>
+
+      {/* Filter */}
+      <div className="flex flex-col sm:flex-row gap-2 mb-4">
+        <div className="relative flex-1">
+          <Search className="absolute left-2.5 top-2 w-4 h-4 text-gray-500" />
+          <input
+            type="text"
+            placeholder="Suchen..."
+            value={search}
+            onChange={e => setSearch(e.target.value)}
+            className="w-full pl-8 pr-3 py-1.5 bg-gray-800 border border-gray-700 rounded text-xs text-gray-200 placeholder-gray-500 focus:outline-none focus:border-orange-500"
+          />
+        </div>
+        <div className="relative">
+          <select
+            value={actionFilter}
+            onChange={e => setActionFilter(e.target.value)}
+            className="appearance-none pl-3 pr-8 py-1.5 bg-gray-800 border border-gray-700 rounded text-xs text-gray-200 focus:outline-none focus:border-orange-500"
+          >
+            <option value="">Alle Aktionen</option>
+            {ALL_ACTIONS.map(a => (
+              <option key={a} value={a}>{a}</option>
+            ))}
+          </select>
+          <ChevronDown className="absolute right-2 top-2 w-3 h-3 text-gray-500 pointer-events-none" />
+        </div>
+      </div>
+
+      {/* Table */}
+      <div className="overflow-x-auto rounded border border-gray-800">
+        <table className="w-full text-xs">
+          <thead>
+            <tr className="bg-gray-900 text-gray-400 border-b border-gray-800">
+              <th className="px-3 py-2 text-left font-medium">Zeitpunkt</th>
+              <th className="px-3 py-2 text-left font-medium">Benutzer</th>
+              <th className="px-3 py-2 text-left font-medium">Aktion</th>
+              <th className="px-3 py-2 text-left font-medium">Ziel</th>
+              <th className="px-3 py-2 text-left font-medium">Details</th>
+              <th className="px-3 py-2 text-left font-medium">IP</th>
+            </tr>
+          </thead>
+          <tbody className="divide-y divide-gray-800/50">
+            {filtered.map(e => (
+              <tr key={e.id} className="hover:bg-gray-800/30">
+                <td className="px-3 py-1.5 text-gray-400 whitespace-nowrap" title={new Date(e.timestamp).toLocaleString('de-DE')}>
+                  {timeAgo(e.timestamp)}
+                </td>
+                <td className="px-3 py-1.5 text-gray-300">{e.user_name}</td>
+                <td className="px-3 py-1.5">
+                  <span className={`inline-block px-1.5 py-0.5 rounded text-[10px] font-medium ${ACTION_COLORS[e.action] || 'bg-gray-500/20 text-gray-400'}`}>
+                    {e.action}
+                  </span>
+                </td>
+                <td className="px-3 py-1.5 text-gray-400 max-w-[200px] truncate" title={`${e.target_type || ''} ${e.target_name || e.target_id || ''}`}>
+                  {e.target_name || e.target_id || '-'}
+                </td>
+                <td className="px-3 py-1.5 text-gray-500 max-w-[250px] truncate" title={e.details}>
+                  {e.details || '-'}
+                </td>
+                <td className="px-3 py-1.5 text-gray-500 whitespace-nowrap">{e.source_ip || '-'}</td>
+              </tr>
+            ))}
+            {filtered.length === 0 && !loading && (
+              <tr>
+                <td colSpan={6} className="px-3 py-6 text-center text-gray-500">
+                  Keine Einträge
+                </td>
+              </tr>
+            )}
+          </tbody>
+        </table>
+      </div>
+
+      {/* Load more */}
+      {entries.length < total && (
+        <div className="mt-3 text-center">
+          <button
+            onClick={() => load(false)}
+            disabled={loading}
+            className="px-4 py-1.5 bg-gray-800 hover:bg-gray-700 text-gray-300 text-xs rounded border border-gray-700 disabled:opacity-50"
+          >
+            {loading ? 'Laden...' : `Mehr laden (${entries.length}/${total})`}
+          </button>
+        </div>
+      )}
+    </div>
+  )
+}