Fix file sharing load speed and move error; misc updates

- Remove recursive directory size calculations (single Seafile API call per list)
- Remove 'Used in this location' usage display
- Fix move using v2 per-type endpoints instead of broken batch endpoint
- Send entry type from frontend for correct move routing

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

supabase/functions/get-public-invoice/index.ts

@@ -0,0 +1,70 @@
+import { serve } from 'https://deno.land/std@0.168.0/http/server.ts';
+import { createClient } from 'https://esm.sh/@supabase/supabase-js@2';
+
+const corsHeaders = {
+  'Access-Control-Allow-Origin': '*',
+  'Access-Control-Allow-Headers': 'authorization, x-client-info, apikey, content-type',
+};
+
+serve(async (req) => {
+  if (req.method === 'OPTIONS') return new Response('ok', { headers: corsHeaders });
+
+  try {
+    const { invoice_id, invoice_ref } = await req.json();
+    const invoiceRef = invoice_ref || invoice_id;
+
+    if (!invoiceRef) {
+      return new Response(JSON.stringify({ error: 'invoice_ref required' }), {
+        status: 400,
+        headers: { ...corsHeaders, 'Content-Type': 'application/json' },
+      });
+    }
+
+    const supabase = createClient(
+      Deno.env.get('SUPABASE_URL')!,
+      Deno.env.get('SUPABASE_SERVICE_ROLE_KEY')!,
+    );
+
+    let invoice = null;
+    let error = null;
+
+    ({ data: invoice, error } = await supabase
+      .from('invoices')
+      .select('id, invoice_number, invoice_date, due_date, total, status, bill_to, company_id')
+      .eq('id', invoiceRef)
+      .maybeSingle());
+
+    if (!invoice) {
+      ({ data: invoice, error } = await supabase
+        .from('invoices')
+        .select('id, invoice_number, invoice_date, due_date, total, status, bill_to, company_id')
+        .eq('invoice_number', invoiceRef)
+        .maybeSingle());
+    }
+
+    if (error || !invoice) {
+      return new Response(JSON.stringify({ error: 'Invoice not found' }), {
+        status: 404,
+        headers: { ...corsHeaders, 'Content-Type': 'application/json' },
+      });
+    }
+
+    const { data: company } = invoice.company_id
+      ? await supabase
+          .from('companies')
+          .select('name, email')
+          .eq('id', invoice.company_id)
+          .maybeSingle()
+      : { data: null };
+
+    return new Response(JSON.stringify({ invoice: { ...invoice, companies: company || null } }), {
+      headers: { ...corsHeaders, 'Content-Type': 'application/json' },
+    });
+  } catch (err) {
+    console.error(err);
+    return new Response(JSON.stringify({ error: err.message }), {
+      status: 500,
+      headers: { ...corsHeaders, 'Content-Type': 'application/json' },
+    });
+  }
+});