feat: assign trip members to packing list categories — closes #71

client/src/api/client.ts

@@ -111,6 +111,8 @@ export const packingApi = {
   update: (tripId: number | string, id: number, data: Record<string, unknown>) => apiClient.put(`/trips/${tripId}/packing/${id}`, data).then(r => r.data),
   delete: (tripId: number | string, id: number) => apiClient.delete(`/trips/${tripId}/packing/${id}`).then(r => r.data),
   reorder: (tripId: number | string, orderedIds: number[]) => apiClient.put(`/trips/${tripId}/packing/reorder`, { orderedIds }).then(r => r.data),
+  getCategoryAssignees: (tripId: number | string) => apiClient.get(`/trips/${tripId}/packing/category-assignees`).then(r => r.data),
+  setCategoryAssignees: (tripId: number | string, categoryName: string, userIds: number[]) => apiClient.put(`/trips/${tripId}/packing/category-assignees/${encodeURIComponent(categoryName)}`, { user_ids: userIds }).then(r => r.data),
 }
 
 export const tagsApi = {

client/src/components/Packing/PackingListPanel.tsx

@@ -1,10 +1,11 @@
-import { useState, useMemo, useRef } from 'react'
+import { useState, useMemo, useRef, useEffect } from 'react'
 import { useTripStore } from '../../store/tripStore'
 import { useToast } from '../shared/Toast'
 import { useTranslation } from '../../i18n'
+import { packingApi, tripsApi } from '../../api/client'
 import {
   CheckSquare, Square, Trash2, Plus, ChevronDown, ChevronRight,
-  Sparkles, X, Pencil, Check, MoreHorizontal, CheckCheck, RotateCcw, Luggage,
+  Sparkles, X, Pencil, Check, MoreHorizontal, CheckCheck, RotateCcw, Luggage, UserPlus,
 } from 'lucide-react'
 import type { PackingItem } from '../../types'
 
@@ -186,6 +187,19 @@ function ArtikelZeile({ item, tripId, categories, onCategoryChange }: ArtikelZei
 }
 
 // ── Kategorie-Gruppe ───────────────────────────────────────────────────────
+interface TripMember {
+  id: number
+  username: string
+  avatar?: string | null
+  avatar_url?: string | null
+}
+
+interface CategoryAssignee {
+  user_id: number
+  username: string
+  avatar?: string | null
+}
+
 interface KategorieGruppeProps {
   kategorie: string
   items: PackingItem[]
@@ -193,16 +207,32 @@ interface KategorieGruppeProps {
   allCategories: string[]
   onRename: (oldName: string, newName: string) => Promise<void>
   onDeleteAll: (items: PackingItem[]) => Promise<void>
+  assignees: CategoryAssignee[]
+  tripMembers: TripMember[]
+  onSetAssignees: (category: string, userIds: number[]) => Promise<void>
 }
 
-function KategorieGruppe({ kategorie, items, tripId, allCategories, onRename, onDeleteAll }: KategorieGruppeProps) {
+function KategorieGruppe({ kategorie, items, tripId, allCategories, onRename, onDeleteAll, assignees, tripMembers, onSetAssignees }: KategorieGruppeProps) {
   const [offen, setOffen] = useState(true)
   const [editingName, setEditingName] = useState(false)
   const [editKatName, setEditKatName] = useState(kategorie)
   const [showMenu, setShowMenu] = useState(false)
+  const [showAssigneeDropdown, setShowAssigneeDropdown] = useState(false)
+  const assigneeDropdownRef = useRef<HTMLDivElement>(null)
   const { togglePackingItem } = useTripStore()
   const toast = useToast()
   const { t } = useTranslation()
+  useEffect(() => {
+    if (!showAssigneeDropdown) return
+    const handleClickOutside = (e: MouseEvent) => {
+      if (assigneeDropdownRef.current && !assigneeDropdownRef.current.contains(e.target as Node)) {
+        setShowAssigneeDropdown(false)
+      }
+    }
+    document.addEventListener('mousedown', handleClickOutside)
+    return () => document.removeEventListener('mousedown', handleClickOutside)
+  }, [showAssigneeDropdown])
+
   const abgehakt = items.filter(i => i.checked).length
   const alleAbgehakt = abgehakt === items.length
   const dot = katColor(kategorie, allCategories)
@@ -247,11 +277,98 @@ function KategorieGruppe({ kategorie, items, tripId, allCategories, onRename, on
             style={{ flex: 1, fontSize: 12.5, fontWeight: 600, border: 'none', borderBottom: '2px solid var(--text-primary)', outline: 'none', background: 'transparent', fontFamily: 'inherit', color: 'var(--text-primary)', padding: '0 2px' }}
           />
         ) : (
-          <span style={{ fontSize: 12.5, fontWeight: 700, color: 'var(--text-secondary)', textTransform: 'uppercase', letterSpacing: '0.04em', flex: 1 }}>
+          <span style={{ fontSize: 12.5, fontWeight: 700, color: 'var(--text-secondary)', textTransform: 'uppercase', letterSpacing: '0.04em' }}>
             {kategorie}
           </span>
         )}
 
+        {/* Assignee chips */}
+        <div style={{ display: 'flex', alignItems: 'center', gap: 3, flex: 1, minWidth: 0, marginLeft: 4 }}>
+          {assignees.map(a => (
+            <div key={a.user_id} style={{ position: 'relative' }}
+              onClick={e => { e.stopPropagation(); onSetAssignees(kategorie, assignees.filter(x => x.user_id !== a.user_id).map(x => x.user_id)) }}
+            >
+              <div className="assignee-chip"
+                style={{
+                  width: 22, height: 22, borderRadius: '50%', flexShrink: 0, cursor: 'pointer',
+                  background: `hsl(${a.username.charCodeAt(0) * 37 % 360}, 55%, 55%)`,
+                  display: 'flex', alignItems: 'center', justifyContent: 'center',
+                  fontSize: 10, fontWeight: 700, color: 'white', textTransform: 'uppercase',
+                  border: '2px solid var(--bg-card)', transition: 'opacity 0.15s',
+                }}
+              >
+                {a.username[0]}
+              </div>
+              <div className="assignee-tooltip" style={{
+                position: 'absolute', top: '100%', left: '50%', transform: 'translateX(-50%)',
+                marginTop: 6, padding: '3px 8px', borderRadius: 6, zIndex: 60,
+                background: 'var(--text-primary)', color: 'var(--bg-primary)',
+                fontSize: 10, fontWeight: 600, whiteSpace: 'nowrap',
+                pointerEvents: 'none', opacity: 0, transition: 'opacity 0.15s',
+              }}>
+                {a.username}
+              </div>
+            </div>
+          ))}
+          <div ref={assigneeDropdownRef} style={{ position: 'relative' }}>
+            <button onClick={e => { e.stopPropagation(); setShowAssigneeDropdown(v => !v) }}
+              style={{
+                width: 20, height: 20, borderRadius: '50%', border: '1.5px dashed var(--border-primary)',
+                background: 'none', cursor: 'pointer', display: 'flex', alignItems: 'center', justifyContent: 'center',
+                color: 'var(--text-faint)', flexShrink: 0, padding: 0, transition: 'all 0.15s',
+              }}
+              onMouseEnter={e => { e.currentTarget.style.borderColor = 'var(--text-muted)'; e.currentTarget.style.color = 'var(--text-muted)' }}
+              onMouseLeave={e => { e.currentTarget.style.borderColor = 'var(--border-primary)'; e.currentTarget.style.color = 'var(--text-faint)' }}
+            >
+              <UserPlus size={10} />
+            </button>
+            {showAssigneeDropdown && (
+              <div style={{
+                position: 'absolute', left: 0, top: '100%', marginTop: 4, zIndex: 50,
+                background: 'var(--bg-card)', border: '1px solid var(--border-primary)', borderRadius: 10,
+                boxShadow: '0 4px 16px rgba(0,0,0,0.12)', padding: 4, minWidth: 160,
+              }}>
+                {tripMembers.map(m => {
+                  const isAssigned = assignees.some(a => a.user_id === m.id)
+                  return (
+                    <button key={m.id} onClick={e => {
+                      e.stopPropagation()
+                      const newIds = isAssigned
+                        ? assignees.filter(a => a.user_id !== m.id).map(a => a.user_id)
+                        : [...assignees.map(a => a.user_id), m.id]
+                      onSetAssignees(kategorie, newIds)
+                    }}
+                      style={{
+                        display: 'flex', alignItems: 'center', gap: 8, width: '100%',
+                        padding: '6px 10px', borderRadius: 8, border: 'none', cursor: 'pointer',
+                        background: isAssigned ? 'var(--bg-hover)' : 'transparent',
+                        fontFamily: 'inherit', fontSize: 12, color: 'var(--text-primary)',
+                        transition: 'background 0.1s',
+                      }}
+                      onMouseEnter={e => { if (!isAssigned) e.currentTarget.style.background = 'var(--bg-tertiary)' }}
+                      onMouseLeave={e => { if (!isAssigned) e.currentTarget.style.background = 'transparent' }}
+                    >
+                      <div style={{
+                        width: 20, height: 20, borderRadius: '50%', flexShrink: 0,
+                        background: `hsl(${m.username.charCodeAt(0) * 37 % 360}, 55%, 55%)`,
+                        display: 'flex', alignItems: 'center', justifyContent: 'center',
+                        fontSize: 10, fontWeight: 700, color: 'white', textTransform: 'uppercase',
+                      }}>
+                        {m.username[0]}
+                      </div>
+                      <span style={{ flex: 1 }}>{m.username}</span>
+                      {isAssigned && <Check size={12} style={{ color: 'var(--text-muted)' }} />}
+                    </button>
+                  )
+                })}
+                {tripMembers.length === 0 && (
+                  <div style={{ padding: '8px 10px', fontSize: 11, color: 'var(--text-faint)' }}>{t('packing.noMembers')}</div>
+                )}
+              </div>
+            )}
+          </div>
+        </div>
+
         <span style={{
           fontSize: 11, fontWeight: 600, padding: '1px 8px', borderRadius: 99,
           background: alleAbgehakt ? 'rgba(22,163,74,0.12)' : 'var(--bg-tertiary)',
@@ -329,6 +446,31 @@ export default function PackingListPanel({ tripId, items }: PackingListPanelProp
   const toast = useToast()
   const { t } = useTranslation()
 
+  // Trip members & category assignees
+  const [tripMembers, setTripMembers] = useState<TripMember[]>([])
+  const [categoryAssignees, setCategoryAssignees] = useState<Record<string, CategoryAssignee[]>>({})
+
+  useEffect(() => {
+    tripsApi.getMembers(tripId).then(data => {
+      const all: TripMember[] = []
+      if (data.owner) all.push({ id: data.owner.id, username: data.owner.username, avatar: data.owner.avatar_url })
+      if (data.members) all.push(...data.members.map((m: any) => ({ id: m.id, username: m.username, avatar: m.avatar_url })))
+      setTripMembers(all)
+    }).catch(() => {})
+    packingApi.getCategoryAssignees(tripId).then(data => {
+      setCategoryAssignees(data.assignees || {})
+    }).catch(() => {})
+  }, [tripId])
+
+  const handleSetAssignees = async (category: string, userIds: number[]) => {
+    try {
+      const data = await packingApi.setCategoryAssignees(tripId, category, userIds)
+      setCategoryAssignees(prev => ({ ...prev, [category]: data.assignees || [] }))
+    } catch {
+      toast.error(t('packing.toast.saveError'))
+    }
+  }
+
   const allCategories = useMemo(() => {
     const cats = new Set(items.map(i => i.category || t('packing.defaultCategory')))
     return Array.from(cats).sort()
@@ -546,11 +688,18 @@ export default function PackingListPanel({ tripId, items }: PackingListPanelProp
                 allCategories={allCategories}
                 onRename={handleRenameCategory}
                 onDeleteAll={handleDeleteCategory}
+                assignees={categoryAssignees[kat] || []}
+                tripMembers={tripMembers}
+                onSetAssignees={handleSetAssignees}
               />
             ))}
           </div>
         )}
       </div>
+      <style>{`
+        .assignee-chip:hover + .assignee-tooltip { opacity: 1 !important; }
+        .assignee-chip:hover { opacity: 0.7; }
+      `}</style>
     </div>
   )
 }

client/src/i18n/translations/de.ts

@@ -813,6 +813,8 @@ const de: Record<string, string | { name: string; category: string }[]> = {
   'packing.menuCheckAll': 'Alle abhaken',
   'packing.menuUncheckAll': 'Alle Haken entfernen',
   'packing.menuDeleteCat': 'Kategorie löschen',
+  'packing.assignUser': 'Benutzer zuweisen',
+  'packing.noMembers': 'Keine Mitglieder',
   'packing.changeCategory': 'Kategorie ändern',
   'packing.confirm.clearChecked': 'Möchtest du {count} abgehakte Gegenstände wirklich entfernen?',
   'packing.confirm.deleteCat': 'Möchtest du die Kategorie "{name}" mit {count} Gegenständen wirklich löschen?',

client/src/i18n/translations/en.ts

@@ -813,6 +813,8 @@ const en: Record<string, string | { name: string; category: string }[]> = {
   'packing.menuCheckAll': 'Check All',
   'packing.menuUncheckAll': 'Uncheck All',
   'packing.menuDeleteCat': 'Delete Category',
+  'packing.assignUser': 'Assign user',
+  'packing.noMembers': 'No trip members',
   'packing.changeCategory': 'Change Category',
   'packing.confirm.clearChecked': 'Are you sure you want to remove {count} checked items?',
   'packing.confirm.deleteCat': 'Are you sure you want to delete the category "{name}" with {count} items?',

server/src/db/migrations.ts

@@ -220,6 +220,15 @@ function runMigrations(db: Database.Database): void {
       try { db.exec('ALTER TABLE users ADD COLUMN mfa_enabled INTEGER DEFAULT 0'); } catch {}
       try { db.exec('ALTER TABLE users ADD COLUMN mfa_secret TEXT'); } catch {}
     },
+    () => {
+      db.exec(`CREATE TABLE IF NOT EXISTS packing_category_assignees (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        trip_id INTEGER NOT NULL REFERENCES trips(id) ON DELETE CASCADE,
+        category_name TEXT NOT NULL,
+        user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+        UNIQUE(trip_id, category_name, user_id)
+      )`);
+    },
   ];
 
   if (currentVersion < migrations.length) {

server/src/routes/packing.ts

@@ -91,6 +91,58 @@ router.delete('/:id', authenticate, (req: Request, res: Response) => {
   broadcast(tripId, 'packing:deleted', { itemId: Number(id) }, req.headers['x-socket-id'] as string);
 });
 
+// ── Category assignees ──────────────────────────────────────────────────────
+
+router.get('/category-assignees', authenticate, (req: Request, res: Response) => {
+  const authReq = req as AuthRequest;
+  const { tripId } = req.params;
+  const trip = verifyTripOwnership(tripId, authReq.user.id);
+  if (!trip) return res.status(404).json({ error: 'Trip not found' });
+
+  const rows = db.prepare(`
+    SELECT pca.category_name, pca.user_id, u.username, u.avatar
+    FROM packing_category_assignees pca
+    JOIN users u ON pca.user_id = u.id
+    WHERE pca.trip_id = ?
+  `).all(tripId);
+
+  // Group by category
+  const assignees: Record<string, { user_id: number; username: string; avatar: string | null }[]> = {};
+  for (const row of rows as any[]) {
+    if (!assignees[row.category_name]) assignees[row.category_name] = [];
+    assignees[row.category_name].push({ user_id: row.user_id, username: row.username, avatar: row.avatar });
+  }
+
+  res.json({ assignees });
+});
+
+router.put('/category-assignees/:categoryName', authenticate, (req: Request, res: Response) => {
+  const authReq = req as AuthRequest;
+  const { tripId, categoryName } = req.params;
+  const { user_ids } = req.body;
+
+  const trip = verifyTripOwnership(tripId, authReq.user.id);
+  if (!trip) return res.status(404).json({ error: 'Trip not found' });
+
+  const cat = decodeURIComponent(categoryName);
+  db.prepare('DELETE FROM packing_category_assignees WHERE trip_id = ? AND category_name = ?').run(tripId, cat);
+
+  if (Array.isArray(user_ids) && user_ids.length > 0) {
+    const insert = db.prepare('INSERT OR IGNORE INTO packing_category_assignees (trip_id, category_name, user_id) VALUES (?, ?, ?)');
+    for (const uid of user_ids) insert.run(tripId, cat, uid);
+  }
+
+  const rows = db.prepare(`
+    SELECT pca.user_id, u.username, u.avatar
+    FROM packing_category_assignees pca
+    JOIN users u ON pca.user_id = u.id
+    WHERE pca.trip_id = ? AND pca.category_name = ?
+  `).all(tripId, cat);
+
+  res.json({ assignees: rows });
+  broadcast(tripId, 'packing:assignees', { category: cat, assignees: rows }, req.headers['x-socket-id'] as string);
+});
+
 router.put('/reorder', authenticate, (req: Request, res: Response) => {
   const authReq = req as AuthRequest;
   const { tripId } = req.params;