refactor: remove legacy spaces and migrate lists to standalone resources with direct sharing

frontend/src/lib/api.ts

@@ -8,6 +8,7 @@ import {
   DocLockInfo,
   KanbanColumn,
   ListItem,
+  ListShare,
   Organization,
   PriorityLevel,
   SharedList,
@@ -639,17 +640,36 @@ export const api = {
     return ensureArray(res).map((l) => ({
       ...l,
       items: ensureArray(l.items),
+      shares: ensureArray(l.shares),
     }));
   },
 
-  async createList(spaceId: string, title: string, icon: string, listType: 'shopping' | 'checklist' | 'vacation'): Promise<SharedList> {
-    const l = await request<SharedList>(`/api/v1/spaces/${spaceId}/lists`, {
+  async getListById(listId: string): Promise<SharedList> {
+    const l = await request<SharedList>(`/api/v1/lists/${listId}`);
+    return {
+      ...l,
+      items: ensureArray(l.items),
+      shares: ensureArray(l.shares),
+    };
+  },
+
+  async createList(titleOrSpaceId: string, titleOrIcon?: string, iconOrType?: string, listType?: 'shopping' | 'checklist' | 'vacation'): Promise<SharedList> {
+    let title = titleOrSpaceId;
+    let icon = titleOrIcon || '🛒';
+    let type = (iconOrType as any) || 'shopping';
+    if (listType !== undefined) {
+      title = titleOrIcon || '';
+      icon = iconOrType || '🛒';
+      type = listType;
+    }
+    const l = await request<SharedList>('/api/v1/lists', {
       method: 'POST',
-      body: JSON.stringify({ title, icon, listType }),
+      body: JSON.stringify({ title, icon, listType: type }),
     });
     return {
       ...l,
       items: ensureArray(l.items),
+      shares: ensureArray(l.shares),
     };
   },
 
@@ -657,6 +677,22 @@ export const api = {
     await request(`/api/v1/lists/${listId}`, { method: 'DELETE' });
   },
 
+  async getListShares(listId: string): Promise<ListShare[]> {
+    const res = await request<ListShare[]>(`/api/v1/lists/${listId}/shares`);
+    return ensureArray(res);
+  },
+
+  async addListShare(listId: string, target: { targetType: 'team' | 'user'; targetId: string; role?: string }): Promise<ListShare> {
+    return request<ListShare>(`/api/v1/lists/${listId}/shares`, {
+      method: 'POST',
+      body: JSON.stringify(target),
+    });
+  },
+
+  async removeListShare(listId: string, shareId: string): Promise<void> {
+    await request(`/api/v1/lists/${listId}/shares/${shareId}`, { method: 'DELETE' });
+  },
+
   async createListItem(listId: string, content: string, category = '', quantity = ''): Promise<ListItem> {
     return request<ListItem>(`/api/v1/lists/${listId}/items`, {
       method: 'POST',
@@ -905,11 +941,11 @@ let wsReconnectTimer: any = null;
 let wsListeners: ((msg: WSMessage) => void)[] = [];
 let manualDisconnect = false;
 
-export function buildWebSocketURL(spaceId?: string): string {
+export function buildWebSocketURL(listId?: string): string {
   const protocol = window.location.protocol === 'https:' ? 'wss:' : 'ws:';
   const token = getToken() || '';
-  if (spaceId) {
-    return `${protocol}//${window.location.host}/api/v1/ws/spaces/${encodeURIComponent(spaceId)}?token=${encodeURIComponent(token)}`;
+  if (listId) {
+    return `${protocol}//${window.location.host}/api/v1/ws/lists/${encodeURIComponent(listId)}?token=${encodeURIComponent(token)}`;
   }
   return `${protocol}//${window.location.host}/api/v1/ws?token=${encodeURIComponent(token)}`;
 }

frontend/src/lib/types.ts

@@ -295,13 +295,30 @@ export interface ListItem {
   completedAt?: string;
 }
 
+export interface ListShare {
+  id: string;
+  listId: string;
+  targetType: 'team' | 'user';
+  targetId: string;
+  targetName?: string;
+  targetEmail?: string;
+  role: 'editor' | 'viewer';
+  createdBy?: string;
+  createdAt: string;
+}
+
 export interface SharedList {
   id: string;
-  spaceId: string;
+  userId?: string;
+  ownerName?: string;
+  isOwner?: boolean;
+  role?: string;
+  spaceId?: string;
   title: string;
   icon: string;
   listType: 'shopping' | 'checklist' | 'vacation';
   items: ListItem[];
+  shares?: ListShare[];
   updatedAt: string;
   createdAt: string;
 }
@@ -331,6 +348,7 @@ export interface WSMessage<T = any> {
   event: string;
   space_id?: string;
   list_id?: string;
+  listId?: string;
   payload: T;
   timestamp: string;
 }