feat: unify sharing UI, redesign lists header, fix team sharing, and add user autocomplete

frontend/src/lib/api.ts

@@ -589,9 +589,15 @@ export const api = {
     return ensureArray(res).map((s) => ({
       ...s,
       members: ensureArray(s.members),
+      shares: ensureArray(s.shares),
     }));
   },
 
+  async getSpaceShares(spaceId: string): Promise<SpaceShare[]> {
+    const res = await request<SpaceShare[]>(`/api/v1/spaces/${spaceId}/shares`);
+    return ensureArray(res);
+  },
+
   async createSpace(name: string, icon: string, description: string): Promise<Space> {
     return request<Space>('/api/v1/spaces', {
       method: 'POST',
@@ -606,8 +612,8 @@ export const api = {
     });
   },
 
-  async addSpaceMember(spaceId: string, target: { userId?: string; email?: string; teamId?: string; role?: string }): Promise<SpaceMember> {
-    return request<SpaceMember>(`/api/v1/spaces/${spaceId}/members`, {
+  async addSpaceMember(spaceId: string, target: { userId?: string; email?: string; teamId?: string; role?: string }): Promise<any> {
+    return request<any>(`/api/v1/spaces/${spaceId}/members`, {
       method: 'POST',
       body: JSON.stringify(target),
     });