Polish: remove unused proxy field, fix API naming inconsistency

- Remove proxy_url from store create/edit forms (field exists in DB
  but neither scraper implements proxy support — misleading UX)
- Rename updateGroupApi → updateGroup, setGroupMembersApi → setGroupMembers
  for consistent naming with all other API functions

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/client/src/lib/api.ts

@@ -74,11 +74,11 @@ export function createGroup(name: string, description?: string) {
   return api<any>('/api/groups', { method: 'POST', body: JSON.stringify({ name, description }) });
 }
 
-export function updateGroupApi(id: number, data: any) {
+export function updateGroup(id: number, data: any) {
   return api<any>(`/api/groups/${id}`, { method: 'PUT', body: JSON.stringify(data) });
 }
 
-export function setGroupMembersApi(id: number, storeIds: number[]) {
+export function setGroupMembers(id: number, storeIds: number[]) {
   return api<any>(`/api/groups/${id}/members`, { method: 'PUT', body: JSON.stringify({ store_ids: storeIds }) });
 }
 

src/client/src/routes/admin/categories/+page.svelte

@@ -1,7 +1,7 @@
 <script>
   import {
     getCategories, createCategory, updateCategory, deleteCategory,
-    getGroups, createGroup, updateGroupApi, deleteGroup, setGroupMembersApi, getStores,
+    getGroups, createGroup, updateGroup, deleteGroup, setGroupMembers, getStores,
   } from '$lib/api';
   import { onMount } from 'svelte';
 
@@ -65,7 +65,7 @@
     const ids = group.store_ids.includes(storeId)
       ? group.store_ids.filter((id) => id !== storeId)
       : [...group.store_ids, storeId];
-    await setGroupMembersApi(groupId, ids);
+    await setGroupMembers(groupId, ids);
     groups = groups.map((g) => (g.id === groupId ? { ...g, store_ids: ids } : g));
   }
 </script>

src/client/src/routes/admin/stores/[id]/+page.svelte

@@ -13,7 +13,7 @@
     name: '', base_url: '', search_url: '',
     sel_container: '', sel_name: '', sel_price: '', sel_link: '', sel_image: '',
     category_id: '', currency: 'EUR', rate_limit: 2, render_js: false, test_query: '',
-    user_agent: '', proxy_url: '', headers_json: '',
+    user_agent: '', headers_json: '',
   });
 
   onMount(async () => {
@@ -134,7 +134,6 @@
             <div class="grid grid-cols-2 gap-4">
               <div><label class="label">Rate Limit</label><input type="number" bind:value={form.rate_limit} min="1" max="10" class="input-field" /></div>
               <div><label class="label">User Agent</label><input type="text" bind:value={form.user_agent} class="input-field" /></div>
-              <div><label class="label">Proxy URL</label><input type="text" bind:value={form.proxy_url} class="input-field" /></div>
               <div><label class="label">Extra Headers (JSON)</label><input type="text" bind:value={form.headers_json} class="input-field-mono" /></div>
             </div>
           </section>

src/client/src/routes/admin/stores/new/+page.svelte

@@ -11,7 +11,7 @@
     name: '', base_url: '', search_url: '',
     sel_container: '', sel_name: '', sel_price: '', sel_link: '', sel_image: '',
     category_id: '', currency: 'EUR', rate_limit: 2, render_js: false, test_query: '',
-    user_agent: '', proxy_url: '', headers_json: '',
+    user_agent: '', headers_json: '',
   });
 
   onMount(async () => { categories = await getCategories(); });
@@ -25,7 +25,6 @@
       if (data.category_id) data.category_id = Number(data.category_id); else delete data.category_id;
       if (!data.sel_image) delete data.sel_image;
       if (!data.user_agent) delete data.user_agent;
-      if (!data.proxy_url) delete data.proxy_url;
       if (!data.headers_json) delete data.headers_json;
       else { try { JSON.parse(data.headers_json); } catch { error = 'Extra Headers must be valid JSON'; saving = false; return; } }
       if (!data.test_query) delete data.test_query;
@@ -138,10 +137,6 @@
               <label class="label">User Agent</label>
               <input type="text" bind:value={form.user_agent} placeholder="Default browser UA" class="input-field" />
             </div>
-            <div>
-              <label class="label">Proxy URL</label>
-              <input type="text" bind:value={form.proxy_url} placeholder="http://user:pass@host:port" class="input-field" />
-            </div>
             <div>
               <label class="label">Extra Headers (JSON)</label>
               <input type="text" bind:value={form.headers_json} placeholder={'{"X-Custom": "value"}'} class="input-field-mono" />