v1.6.8: remove offer exchange rate, add invoice item description, offer filters, table animations

- Remove exchange_rate and exchange_rate_date from quotations (schema, service, PDF, form)
- Add item_description field to invoice_items (schema, migration, service, form, PDF)
- Add offer status/customer/order filters with tab-based UI
- Clean up offer statuses to active/ordered/invalidated
- Allow invalidate action for non-ordered offers (not just expired)
- Add fade animations on offers and invoices table data changes

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

src/routes/admin/invoices-pdf.ts

@@ -450,10 +450,11 @@ export default async function invoicesPdfRoutes(
             const lineVat = applyVat ? (lineSubtotal * vatRate) / 100 : 0;
             const lineTotal = lineSubtotal + lineVat;
             const qtyDecimals = Math.floor(qty) === qty ? 0 : 2;
+            const subDesc = item.item_description || "";
 
             return `<tr>
             <td class="row-num">${i + 1}</td>
-            <td class="desc">${escapeHtml(item.description)}</td>
+            <td class="desc">${escapeHtml(item.description)}${subDesc ? `<div class="item-subdesc">${escapeHtml(subDesc)}</div>` : ""}</td>
             <td class="center">${formatNum(qty, qtyDecimals)}${item.unit ? ` / ${escapeHtml(item.unit)}` : ""}</td>
             <td class="right">${formatNum(unitPrice)}</td>
             <td class="right">${formatNum(lineSubtotal)}</td>
@@ -693,6 +694,11 @@ export default async function invoicesPdfRoutes(
     font-weight: 600;
     color: #1a1a1a;
   }
+  .item-subdesc {
+    font-size: 9pt;
+    color: #646464;
+    margin-top: 2px;
+  }
   table.items tbody td.total-cell { font-weight: 700; }
 
   /* Soucet + total - styl z nabidek */

src/routes/admin/offers-pdf.ts

@@ -199,7 +199,6 @@ const TRANSLATIONS: Record<string, Record<string, string>> = {
   subtotal: { EN: "Subtotal", CZ: "Mezisou\u010Det" },
   vat: { EN: "VAT", CZ: "DPH" },
   total_to_pay: { EN: "Total to pay", CZ: "Celkem k \u00FAhrad\u011B" },
-  exchange_rate: { EN: "Exchange rate", CZ: "Sm\u011Bnn\u00FD kurz" },
   ico: { EN: "ID", CZ: "I\u010CO" },
   dic: { EN: "VAT ID", CZ: "DI\u010C" },
   page: { EN: "Page", CZ: "Strana" },
@@ -262,8 +261,6 @@ export default async function offersPdfRoutes(
         const vatRate = Number(quotation.vat_rate) || 21;
         const vatAmount = applyVat ? subtotal * (vatRate / 100) : 0;
         const totalToPay = subtotal + vatAmount;
-        const exchangeRate = Number(quotation.exchange_rate) || 0;
-
         let hasScopeContent = false;
         for (const s of quotation.scope_sections) {
           if ((s.content || "").trim() || (s.title || "").trim()) {
@@ -331,10 +328,6 @@ export default async function offersPdfRoutes(
       <span class="label">${escapeHtml(t("total_to_pay"))}</span>
       <span class="value">${formatCurrency(totalToPay, currency)}</span>
     </div>`;
-        if (exchangeRate > 0) {
-          totalsHtml += `<div class="exchange-rate">${escapeHtml(t("exchange_rate"))}: ${formatNum(exchangeRate, 4)}</div>`;
-        }
-
         const quotationNumber = escapeHtml(quotation.quotation_number);
 
         let scopeHtml = "";

src/routes/admin/quotations.ts

@@ -42,6 +42,7 @@ export default async function quotationsRoutes(
         search,
         status: query.status ? String(query.status) : undefined,
         customer_id: query.customer_id ? Number(query.customer_id) : undefined,
+        has_order: query.has_order ? String(query.has_order) : undefined,
       });
 
       return paginated(