feat: SmartSuite-style FilterPanel with multi-condition AND/OR, all contact fields, context-sensitive ordering

frontend/src/components/contacts/FilterPanel.tsx

@@ -0,0 +1,547 @@
+/**
+ * SmartSuite-style Filter Panel for contacts.
+ * Multi-condition AND/OR filtering with all UnifiedContact fields.
+ */
+
+import React, { useState, useRef, useEffect, useMemo } from 'react';
+import { Filter, Plus, X, ChevronDown } from 'lucide-react';
+import type { UnifiedContact } from '@/api/unifiedContacts';
+
+// ─── Field definitions ───────────────────────────────────────────────────────
+
+type FieldType = 'text' | 'number' | 'select' | 'date';
+
+interface FilterFieldDef {
+  key: string;
+  label: string;
+  type: FieldType;
+  options?: { value: string; label: string }[]; group?: 'general' | 'company' | 'person' | 'address' | 'finance' | 'notes' | 'meta';
+}
+
+const FIELD_DEFS: FilterFieldDef[] = [
+  // General
+  { key: 'displayname', label: 'Anzeigename', type: 'text', group: 'general' },
+  { key: 'type', label: 'Typ', type: 'select', group: 'general', options: [
+    { value: 'company', label: 'Firma' },
+    { value: 'person', label: 'Person' },
+  ]},
+  { key: 'email_1', label: 'E-Mail 1', type: 'text', group: 'general' },
+  { key: 'email_2', label: 'E-Mail 2', type: 'text', group: 'general' },
+  { key: 'phone_1', label: 'Telefon 1', type: 'text', group: 'general' },
+  { key: 'phone_2', label: 'Telefon 2', type: 'text', group: 'general' },
+  { key: 'website', label: 'Website', type: 'text', group: 'general' },
+  { key: 'tags', label: 'Tags', type: 'text', group: 'general' },
+
+  // Company-focused
+  { key: 'name', label: 'Firmenname', type: 'text', group: 'company' },
+  { key: 'code', label: 'Kunden-Nr.', type: 'text', group: 'company' },
+  { key: 'accounting_code', label: 'Buchhaltungs-Code', type: 'text', group: 'company' },
+  { key: 'vendor_accounting_code', label: 'Lieferanten-Code', type: 'text', group: 'company' },
+  { key: 'vat_code', label: 'USt-IdNr.', type: 'text', group: 'company' },
+  { key: 'fiscal_code', label: 'Steuernummer', type: 'text', group: 'company' },
+  { key: 'commerce_code', label: 'Handelsregister-Nr.', type: 'text', group: 'company' },
+  { key: 'bic', label: 'BIC', type: 'text', group: 'company' },
+  { key: 'bank_account', label: 'Bankkonto', type: 'text', group: 'company' },
+  { key: 'purchase_number', label: 'Bestellnummer', type: 'text', group: 'company' },
+
+  // Person-focused
+  { key: 'firstname', label: 'Vorname', type: 'text', group: 'person' },
+  { key: 'surname', label: 'Nachname', type: 'text', group: 'person' },
+  { key: 'suffix', label: 'Suffix', type: 'text', group: 'person' },
+  { key: 'gender', label: 'Geschlecht', type: 'select', group: 'person', options: [
+    { value: 'm', label: 'Männlich' },
+    { value: 'f', label: 'Weiblich' },
+    { value: 'd', label: 'Divers' },
+  ]},
+  { key: 'ext_name_line', label: 'Zusatzname', type: 'text', group: 'person' },
+
+  // Address (mailing)
+  { key: 'mailing_street', label: 'Straße (Post)', type: 'text', group: 'address' },
+  { key: 'mailing_number', label: 'Hausnr. (Post)', type: 'text', group: 'address' },
+  { key: 'mailing_postalcode', label: 'PLZ (Post)', type: 'text', group: 'address' },
+  { key: 'mailing_city', label: 'Stadt (Post)', type: 'text', group: 'address' },
+  { key: 'mailing_state', label: 'Bundesland (Post)', type: 'text', group: 'address' },
+  { key: 'mailing_country', label: 'Land (Post)', type: 'text', group: 'address' },
+  // Visit
+  { key: 'visit_street', label: 'Straße (Besuch)', type: 'text', group: 'address' },
+  { key: 'visit_city', label: 'Stadt (Besuch)', type: 'text', group: 'address' },
+  { key: 'visit_postalcode', label: 'PLZ (Besuch)', type: 'text', group: 'address' },
+  // Invoice
+  { key: 'invoice_city', label: 'Stadt (Rechnung)', type: 'text', group: 'address' },
+  { key: 'invoice_postalcode', label: 'PLZ (Rechnung)', type: 'text', group: 'address' },
+
+  // Notes
+  { key: 'projectnote', label: 'Projektnotiz', type: 'text', group: 'notes' },
+  { key: 'projectnote_title', label: 'Notiztitel', type: 'text', group: 'notes' },
+  { key: 'contact_warning', label: 'Warnung', type: 'text', group: 'notes' },
+
+  // Meta
+  { key: 'folder_id', label: 'Ordner-ID', type: 'text', group: 'meta' },
+  { key: 'created_at', label: 'Erstellt am', type: 'date', group: 'meta' },
+  { key: 'updated_at', label: 'Geändert am', type: 'date', group: 'meta' },
+];
+
+// ─── Operators ────────────────────────────────────────────────────────────────
+
+interface OperatorDef {
+  value: string;
+  label: string;
+  needsValue: boolean;
+}
+
+const TEXT_OPERATORS: OperatorDef[] = [
+  { value: 'contains', label: 'enthält', needsValue: true },
+  { value: 'equals', label: 'ist gleich', needsValue: true },
+  { value: 'startsWith', label: 'beginnt mit', needsValue: true },
+  { value: 'endsWith', label: 'endet mit', needsValue: true },
+  { value: 'isEmpty', label: 'ist leer', needsValue: false },
+  { value: 'isNotEmpty', label: 'ist nicht leer', needsValue: false },
+];
+
+const SELECT_OPERATORS: OperatorDef[] = [
+  { value: 'equals', label: 'ist', needsValue: true },
+  { value: 'notEquals', label: 'ist nicht', needsValue: true },
+];
+
+const DATE_OPERATORS: OperatorDef[] = [
+  { value: 'before', label: 'vor', needsValue: true },
+  { value: 'after', label: 'nach', needsValue: true },
+  { value: 'on', label: 'an', needsValue: true },
+  { value: 'isEmpty', label: 'ist leer', needsValue: false },
+  { value: 'isNotEmpty', label: 'ist nicht leer', needsValue: false },
+];
+
+function getOperators(fieldType: FieldType): OperatorDef[] {
+  if (fieldType === 'select') return SELECT_OPERATORS;
+  if (fieldType === 'date') return DATE_OPERATORS;
+  return TEXT_OPERATORS;
+}
+
+// ─── Types ────────────────────────────────────────────────────────────────────
+
+export interface FilterCondition {
+  id: string;
+  field: string;
+  operator: string;
+  value: string;
+}
+
+export interface FilterState {
+  logic: 'AND' | 'OR';
+  conditions: FilterCondition[];
+}
+
+export const emptyFilterState: FilterState = {
+  logic: 'AND',
+  conditions: [],
+};
+
+// ─── Filter logic ─────────────────────────────────────────────────────────────
+
+function getFieldValue(contact: UnifiedContact, field: string): any {
+  return (contact as any)[field];
+}
+
+function matchesCondition(contact: UnifiedContact, cond: FilterCondition): boolean {
+  const def = FIELD_DEFS.find((f) => f.key === cond.field);
+  if (!def) return true;
+  const val = getFieldValue(contact, cond.field);
+  const op = cond.operator;
+  const searchVal = cond.value.toLowerCase().trim();
+
+  switch (op) {
+    case 'contains':
+      return val != null && String(val).toLowerCase().includes(searchVal);
+    case 'equals':
+      return val != null && String(val).toLowerCase() === searchVal;
+    case 'notEquals':
+      return val == null || String(val).toLowerCase() !== searchVal;
+    case 'startsWith':
+      return val != null && String(val).toLowerCase().startsWith(searchVal);
+    case 'endsWith':
+      return val != null && String(val).toLowerCase().endsWith(searchVal);
+    case 'isEmpty':
+      return val == null || val === '' || val === undefined;
+    case 'isNotEmpty':
+      return val != null && val !== '' && val !== undefined;
+    case 'before':
+      return val != null && new Date(val) < new Date(cond.value);
+    case 'after':
+      return val != null && new Date(val) > new Date(cond.value);
+    case 'on':
+      return val != null && new Date(val).toDateString() === new Date(cond.value).toDateString();
+    default:
+      return true;
+  }
+}
+
+export function applyFilters(contacts: UnifiedContact[], filters: FilterState): UnifiedContact[] {
+  if (!filters.conditions.length) return contacts;
+  if (filters.logic === 'AND') {
+    return contacts.filter((c) => filters.conditions.every((cond) => matchesCondition(c, cond)));
+  } else {
+    return contacts.filter((c) => filters.conditions.some((cond) => matchesCondition(c, cond)));
+  }
+}
+
+// ─── Context-sensitive field ordering ──────────────────────────────────────────
+
+function getOrderedFields(contactType?: 'company' | 'person' | undefined): FilterFieldDef[] {
+  if (contactType === 'company') {
+    // Company fields first, then general, then person, then rest
+    const order = ['general', 'company', 'address', 'finance', 'notes', 'meta', 'person'];
+    return [...FIELD_DEFS].sort((a, b) => {
+      const ai = order.indexOf(a.group || 'general');
+      const bi = order.indexOf(b.group || 'general');
+      return ai - bi;
+    });
+  }
+  if (contactType === 'person') {
+    const order = ['general', 'person', 'address', 'notes', 'meta', 'company', 'finance'];
+    return [...FIELD_DEFS].sort((a, b) => {
+      const ai = order.indexOf(a.group || 'general');
+      const bi = order.indexOf(b.group || 'general');
+      return ai - bi;
+    });
+  }
+  // All: general first, then alphabetical by group
+  const order = ['general', 'company', 'person', 'address', 'finance', 'notes', 'meta'];
+  return [...FIELD_DEFS].sort((a, b) => {
+    const ai = order.indexOf(a.group || 'general');
+    const bi = order.indexOf(b.group || 'general');
+    return ai - bi;
+  });
+}
+
+// ─── Component ────────────────────────────────────────────────────────────────
+
+interface FilterPanelProps {
+  filters: FilterState;
+  onFiltersChange: (filters: FilterState) => void;
+  contactType?: 'company' | 'person' | undefined;
+}
+
+let condIdCounter = 0;
+function newConditionId() {
+  return `cond-${Date.now()}-${++condIdCounter}`;
+}
+
+export function FilterPanel({ filters, onFiltersChange, contactType }: FilterPanelProps) {
+  const [open, setOpen] = useState(false);
+  const btnRef = useRef<HTMLDivElement>(null);
+  const panelRef = useRef<HTMLDivElement>(null);
+  const [panelPos, setPanelPos] = useState({ top: 0, left: 0 });
+
+  useEffect(() => {
+    if (!open) return;
+    const handler = (e: MouseEvent) => {
+      const target = e.target as Node;
+      if (btnRef.current?.contains(target) || panelRef.current?.contains(target)) return;
+      setOpen(false);
+    };
+    document.addEventListener('mousedown', handler);
+    return () => document.removeEventListener('mousedown', handler);
+  }, [open]);
+
+  const handleToggle = () => {
+    if (!open && btnRef.current) {
+      const rect = btnRef.current.getBoundingClientRect();
+      setPanelPos({ top: rect.bottom + 4, left: rect.left });
+    }
+    setOpen(!open);
+  };
+
+  const orderedFields = useMemo(() => getOrderedFields(contactType), [contactType]);
+  const activeCount = filters.conditions.length;
+
+  const addCondition = () => {
+    onFiltersChange({
+      ...filters,
+      conditions: [...filters.conditions, {
+        id: newConditionId(),
+        field: orderedFields[0]?.key || 'displayname',
+        operator: 'contains',
+        value: '',
+      }],
+    });
+  };
+
+  const removeCondition = (id: string) => {
+    onFiltersChange({
+      ...filters,
+      conditions: filters.conditions.filter((c) => c.id !== id),
+    });
+  };
+
+  const updateCondition = (id: string, updates: Partial<FilterCondition>) => {
+    onFiltersChange({
+      ...filters,
+      conditions: filters.conditions.map((c) =>
+        c.id === id ? { ...c, ...updates } : c
+      ),
+    });
+  };
+
+  const clearAll = () => {
+    onFiltersChange({ ...emptyFilterState });
+  };
+
+  const toggleLogic = () => {
+    onFiltersChange({ ...filters, logic: filters.logic === 'AND' ? 'OR' : 'AND' });
+  };
+
+  // Group fields by group for the dropdown
+  const groupedFields = useMemo(() => {
+    const groups: Record<string, FilterFieldDef[]> = {};
+    for (const f of orderedFields) {
+      const g = f.group || 'general';
+      if (!groups[g]) groups[g] = [];
+      groups[g].push(f);
+    }
+    return groups;
+  }, [orderedFields]);
+
+  const groupLabels: Record<string, string> = {
+    general: 'Allgemein',
+    company: 'Firma',
+    person: 'Person',
+    address: 'Adresse',
+    finance: 'Finanzen',
+    notes: 'Notizen',
+    meta: 'Metadaten',
+  };
+
+  return (
+    <>
+      <div ref={btnRef} className="relative flex-shrink-0">
+        <button
+          onClick={handleToggle}
+          title="Filter"
+          aria-label="Filter"
+          className={`
+            inline-flex items-center gap-1.5 px-2 py-1 rounded text-xs font-medium
+            transition-colors duration-100 cursor-pointer relative
+            ${open || activeCount > 0 ? 'bg-primary-100 text-primary-700' : 'text-secondary-600 hover:bg-secondary-100 hover:text-secondary-900'}
+          `}
+        >
+          <Filter className="w-3.5 h-3.5" strokeWidth={2} />
+          {activeCount > 0 && (
+            <span className="inline-flex items-center justify-center min-w-[16px] h-4 px-1 text-[10px] font-bold rounded-full bg-primary-600 text-white">
+              {activeCount}
+            </span>
+          )}
+          <svg className={`w-3 h-3 transition-transform ${open ? 'rotate-180' : ''}`} fill="none" stroke="currentColor" strokeWidth={2} viewBox="0 0 24 24">
+            <polyline points="6 9 12 15 18 9" />
+          </svg>
+        </button>
+      </div>
+
+      {open && (
+        <div
+          ref={panelRef}
+          className="fixed bg-white border border-secondary-200 rounded-lg shadow-lg"
+          style={{
+            top: panelPos.top,
+            left: panelPos.left,
+            width: '480px',
+            maxHeight: '70vh',
+            overflowY: 'auto',
+            zIndex: 3000,
+          }}
+        >
+          {/* Header */}
+          <div className="flex items-center justify-between px-4 py-3 border-b border-secondary-100">
+            <span className="text-sm font-semibold text-secondary-800">Filter</span>
+            <div className="flex items-center gap-2">
+              {activeCount > 0 && (
+                <button
+                  onClick={clearAll}
+                  className="text-xs text-secondary-500 hover:text-red-600 transition-colors"
+                >
+                  Alle löschen
+                </button>
+              )}
+              <button
+                onClick={() => setOpen(false)}
+                className="p-1 rounded hover:bg-secondary-100 text-secondary-400 hover:text-secondary-600"
+              >
+                <X className="w-3.5 h-3.5" />
+              </button>
+            </div>
+          </div>
+
+          {/* Logic toggle */}
+          {activeCount > 0 && (
+            <div className="flex items-center gap-2 px-4 py-2 border-b border-secondary-100">
+              <span className="text-xs text-secondary-500">Bedingungen verknüpfen:</span>
+              <button
+                onClick={toggleLogic}
+                className={`
+                  px-2 py-0.5 text-xs font-medium rounded transition-colors
+                  ${filters.logic === 'AND'
+                    ? 'bg-primary-600 text-white'
+                    : 'bg-secondary-100 text-secondary-600 hover:bg-secondary-200'}
+                `}
+              >
+                UND
+              </button>
+              <button
+                onClick={toggleLogic}
+                className={`
+                  px-2 py-0.5 text-xs font-medium rounded transition-colors
+                  ${filters.logic === 'OR'
+                    ? 'bg-primary-600 text-white'
+                    : 'bg-secondary-100 text-secondary-600 hover:bg-secondary-200'}
+                `}
+              >
+                ODER
+              </button>
+            </div>
+          )}
+
+          {/* Active filter badges */}
+          {activeCount > 0 && (
+            <div className="flex flex-wrap gap-1.5 px-4 py-2 border-b border-secondary-100">
+              {filters.conditions.map((cond) => {
+                const def = FIELD_DEFS.find((f) => f.key === cond.field);
+                const op = getOperators(def?.type || 'text').find((o) => o.value === cond.operator);
+                return (
+                  <span
+                    key={cond.id}
+                    className="inline-flex items-center gap-1 px-2 py-0.5 text-[11px] rounded-full bg-primary-50 text-primary-700 border border-primary-200"
+                  >
+                    {def?.label} {op?.label} {cond.value && `"${cond.value}"`}
+                    <button
+                      onClick={() => removeCondition(cond.id)}
+                      className="hover:text-red-600"
+                    >
+                      <X className="w-3 h-3" />
+                    </button>
+                  </span>
+                );
+              })}
+            </div>
+          )}
+
+          {/* Filter rows */}
+          <div className="px-4 py-3 space-y-2">
+            {filters.conditions.length === 0 && (
+              <div className="text-center py-6 text-xs text-secondary-400">
+                Keine Filter aktiv. Klicke unten um eine Bedingung hinzuzufügen.
+              </div>
+            )}
+            {filters.conditions.map((cond, idx) => {
+              const def = FIELD_DEFS.find((f) => f.key === cond.field);
+              const operators = getOperators(def?.type || 'text');
+              const currentOp = operators.find((o) => o.value === cond.operator) || operators[0];
+
+              return (
+                <div key={cond.id} className="flex items-center gap-1.5">
+                  {/* Logic prefix */}
+                  {idx > 0 && (
+                    <span className="text-[10px] font-bold text-primary-600 w-8 text-center">
+                      {filters.logic}
+                    </span>
+                  )}
+                  {idx === 0 && <div className="w-8" />}
+
+                  {/* Field dropdown */}
+                  <select
+                    value={cond.field}
+                    onChange={(e) => {
+                      const newDef = FIELD_DEFS.find((f) => f.key === e.target.value);
+                      const newOps = getOperators(newDef?.type || 'text');
+                      updateCondition(cond.id, {
+                        field: e.target.value,
+                        operator: newOps[0].value,
+                        value: '',
+                      });
+                    }}
+                    className="flex-1 min-w-0 px-2 py-1.5 text-xs border border-secondary-200 rounded bg-white cursor-pointer focus:outline-none focus:border-primary-400"
+                  >
+                    {Object.entries(groupedFields).map(([group, fields]) => (
+                      <optgroup key={group} label={groupLabels[group] || group}>
+                        {fields.map((f) => (
+                          <option key={f.key} value={f.key}>{f.label}</option>
+                        ))}
+                      </optgroup>
+                    ))}
+                  </select>
+
+                  {/* Operator dropdown */}
+                  <select
+                    value={cond.operator}
+                    onChange={(e) => updateCondition(cond.id, { operator: e.target.value })}
+                    className="px-2 py-1.5 text-xs border border-secondary-200 rounded bg-white cursor-pointer focus:outline-none focus:border-primary-400"
+                  >
+                    {operators.map((op) => (
+                      <option key={op.value} value={op.value}>{op.label}</option>
+                    ))}
+                  </select>
+
+                  {/* Value input */}
+                  {currentOp?.needsValue ? (
+                    def?.type === 'select' ? (
+                      <select
+                        value={cond.value}
+                        onChange={(e) => updateCondition(cond.id, { value: e.target.value })}
+                        className="px-2 py-1.5 text-xs border border-secondary-200 rounded bg-white cursor-pointer focus:outline-none focus:border-primary-400"
+                      >
+                        <option value="">— wählen —</option>
+                        {def.options?.map((opt) => (
+                          <option key={opt.value} value={opt.value}>{opt.label}</option>
+                        ))}
+                      </select>
+                    ) : def?.type === 'date' ? (
+                      <input
+                        type="date"
+                        value={cond.value}
+                        onChange={(e) => updateCondition(cond.id, { value: e.target.value })}
+                        className="px-2 py-1.5 text-xs border border-secondary-200 rounded focus:outline-none focus:border-primary-400"
+                      />
+                    ) : (
+                      <input
+                        type="text"
+                        value={cond.value}
+                        onChange={(e) => updateCondition(cond.id, { value: e.target.value })}
+                        placeholder="Wert…"
+                        className="w-24 px-2 py-1.5 text-xs border border-secondary-200 rounded focus:outline-none focus:border-primary-400"
+                      />
+                    )
+                  ) : (
+                    <div className="w-24" />
+                  )}
+
+                  {/* Remove button */}
+                  <button
+                    onClick={() => removeCondition(cond.id)}
+                    className="p-1 rounded hover:bg-red-50 text-secondary-400 hover:text-red-600 transition-colors flex-shrink-0"
+                  >
+                    <X className="w-3.5 h-3.5" />
+                  </button>
+                </div>
+              );
+            })}
+          </div>
+
+          {/* Footer */}
+          <div className="flex items-center justify-between px-4 py-3 border-t border-secondary-100">
+            <button
+              onClick={addCondition}
+              className="inline-flex items-center gap-1 px-2 py-1 text-xs font-medium text-primary-600 hover:bg-primary-50 rounded transition-colors"
+            >
+              <Plus className="w-3.5 h-3.5" />
+              Bedingung hinzufügen
+            </button>
+            <button
+              onClick={() => setOpen(false)}
+              className="px-3 py-1 text-xs font-medium text-white bg-primary-600 hover:bg-primary-700 rounded transition-colors"
+            >
+              Fertig
+            </button>
+          </div>
+        </div>
+      )}
+    </>
+  );
+}

frontend/src/components/layout/PluginToolbar.tsx

@@ -228,6 +228,7 @@ export function PluginToolbar() {
               if (item.type === 'search') return <ToolbarSearch key={item.id} item={item} />;
               if (item.type === 'select') return <ToolbarSelect key={item.id} item={item} />;
               if (item.type === 'dropdown') return <ToolbarDropdown key={item.id} item={item} />;
+              if (item.type === 'custom' && item.customComponent) return <React.Fragment key={item.id}>{item.customComponent}</React.Fragment>;
               return <ToolbarButton key={item.id} item={item} />;
             })}
           </div>

frontend/src/pages/ContactsList.tsx

@@ -19,7 +19,8 @@ import { SavedFilters } from '@/components/SavedFilters';
 import { SavedFilterBar } from '@/components/common/SavedFilterBar';
 import { TagSelector } from '@/components/tags/TagSelector';
 import type { Tag } from '@/api/tags';
-import { ArrowDownAZ, ArrowUpZA, Bookmark, ChevronLeft, ExternalLink, Filter, LayoutGrid, List, Plus, Printer, Table2 } from 'lucide-react';
+import { ArrowDownAZ, ArrowUpZA, Bookmark, ChevronLeft, ExternalLink, LayoutGrid, List, Plus, Printer, Table2 } from 'lucide-react';
+import { FilterPanel, applyFilters, emptyFilterState, type FilterState } from '@/components/contacts/FilterPanel';
 import {
   useUnifiedContacts,
   useUnifiedContact,
@@ -42,6 +43,7 @@ export function ContactsListPage() {
   const [activeView, setActiveView] = useState<'folders' | 'list' | 'detail'>('folders');
   const [savedFiltersOpen, setSavedFiltersOpen] = useState(false);
   const [selectedTags, setSelectedTags] = useState<Tag[]>([]);
+  const [filterState, setFilterState] = useState<FilterState>(emptyFilterState);
   const openWindow = useWindowStore((s) => s.openWindow);
 
   // Debounce search
@@ -100,14 +102,19 @@ export function ContactsListPage() {
     return Array.from(tagSet).sort();
   }, [contacts]);
 
-  // Filter by tag client-side if tag filter is active
+  // Filter by tag client-side if tag filter is active, then apply FilterPanel conditions
   const filteredContacts = useMemo(() => {
-    if (!tagFilter) return contacts;
-    return contacts.filter((c) => {
-      if (!c.tags) return false;
-      return c.tags.split(',').map((t) => t.trim()).includes(tagFilter);
-    });
-  }, [contacts, tagFilter]);
+    let result = contacts;
+    if (tagFilter) {
+      result = result.filter((c) => {
+        if (!c.tags) return false;
+        return c.tags.split(',').map((t) => t.trim()).includes(tagFilter);
+      });
+    }
+    // Apply FilterPanel conditions
+    result = applyFilters(result, filterState);
+    return result;
+  }, [contacts, tagFilter, filterState]);
 
   // Handle folder selection
   const handleSelectFilter = useCallback((filter: ContactFilter) => {
@@ -209,32 +216,38 @@ export function ContactsListPage() {
         onSearch: handleSearch,
         onClick: () => {},
       },
-      // Unified filter dropdown — filter + sort in one panel
+      // FilterPanel — SmartSuite-style multi-condition filter
       {
-        id: 'filter-sort',
+        id: 'filter-panel',
         plugin: 'contacts',
-        label: t('common.filter', 'Filter'),
-        type: 'dropdown' as const,
+        label: 'Filter',
+        type: 'custom' as const,
         group: 'filter',
-        icon: <Filter className="w-3.5 h-3.5" strokeWidth={2} />,
-        iconOnly: true,
-        menuWidth: '240px',
+        customComponent: (
+          <FilterPanel
+            filters={filterState}
+            onFiltersChange={setFilterState}
+            contactType={contactType}
+          />
+        ),
+        onClick: () => {},
+      },
+      // Sort dropdown
+      {
+        id: 'sort-by',
+        plugin: 'contacts',
+        label: t('common.sort', 'Sortieren'),
+        type: 'dropdown' as const,
+        group: 'sort',
+        icon: <ArrowDownAZ className="w-3.5 h-3.5" strokeWidth={2} />,
+        menuWidth: '200px',
         menuOptions: [
-          // Section: Filter
-          { value: 'all', label: t('common.all'), section: t('common.filter', 'Filter'), active: selectedFilter === 'all', onClick: () => handleSelectFilter('all') },
-          { value: 'company', label: t('contacts.companies'), active: selectedFilter === 'company', onClick: () => handleSelectFilter('company') },
-          { value: 'person', label: t('contacts.persons'), active: selectedFilter === 'person', onClick: () => handleSelectFilter('person') },
-          // Separator
-          { value: 'sep-sort', label: '', separator: true, onClick: () => {} },
-          // Section: Sort by
           ...sortOptions.map((opt) => ({
             value: `sort-${opt.value}`, label: opt.label, section: t('common.sortBy', 'Sortieren nach'),
             active: sortBy === opt.value, onClick: () => { setSortBy(opt.value); setPage(1); },
           })),
-          // Separator
           { value: 'sep-order', label: '', separator: true, onClick: () => {} },
-          // Section: Sort order
-          { value: 'sort-asc', label: t('common.sortAsc', 'Aufsteigend'), section: t('common.sortOrder', 'Sortierreihenfolge'),
+          { value: 'sort-asc', label: t('common.sortAsc', 'Aufsteigend'), section: t('common.sortOrder', 'Reihenfolge'),
             icon: <ArrowDownAZ className="w-3.5 h-3.5" strokeWidth={2} />, active: sortOrder === 'asc', onClick: () => handleSortChange(sortBy, 'asc') },
           { value: 'sort-desc', label: t('common.sortDesc', 'Absteigend'),
             icon: <ArrowUpZA className="w-3.5 h-3.5" strokeWidth={2} />, active: sortOrder === 'desc', onClick: () => handleSortChange(sortBy, 'desc') },
@@ -300,7 +313,7 @@ export function ContactsListPage() {
     ];
     registerItems('contacts', items);
     return () => unregisterPlugin('contacts');
-  }, [handleSearch, handleCreate, handleSelectFilter, handleSortChange, t, registerItems, unregisterPlugin, sortBy, sortOrder, selectedFilter, viewMode, sortOptions, viewModeOptions]);
+  }, [handleSearch, handleCreate, handleSelectFilter, handleSortChange, t, registerItems, unregisterPlugin, sortBy, sortOrder, selectedFilter, viewMode, sortOptions, viewModeOptions, filterState, contactType]);
 
   return (
     <div className="flex flex-col h-full" data-testid="contacts-list-page">

frontend/src/store/pluginToolbarStore.ts

@@ -9,7 +9,7 @@ export interface ToolbarItem {
   group?: string;
   disabled?: boolean;
   active?: boolean;
-  type?: 'button' | 'search' | 'select' | 'dropdown';
+  type?: 'button' | 'search' | 'select' | 'dropdown' | 'custom';
   searchPlaceholder?: string;
   onSearch?: (query: string) => void;
   selectOptions?: { value: string; label: string }[];
@@ -18,6 +18,7 @@ export interface ToolbarItem {
   menuOptions?: { value: string; label: string; icon?: React.ReactNode; active?: boolean; onClick: () => void; section?: string; separator?: boolean; disabled?: boolean }[];
   menuWidth?: string;
   iconOnly?: boolean;
+  customComponent?: React.ReactNode;
 }
 
 interface PluginToolbarState {