diff --git a/packages/admin/src/components/pos/pos-customer-dialog.tsx b/packages/admin/src/components/pos/pos-customer-dialog.tsx
index a2bf740..c580dbb 100644
--- a/packages/admin/src/components/pos/pos-customer-dialog.tsx
+++ b/packages/admin/src/components/pos/pos-customer-dialog.tsx
@@ -46,15 +46,15 @@ function accountSearchOptions(search: string) {
   })
 }
 
-function customerHistoryOptions(accountId: string | null) {
+function customerHistoryOptions(accountId: string | null, itemSearch?: string) {
   return queryOptions({
-    queryKey: ['pos', 'customer-history', accountId],
+    queryKey: ['pos', 'customer-history', accountId, itemSearch ?? ''],
     queryFn: () => api.get<{ data: Transaction[] }>('/v1/transactions', {
       accountId,
       limit: 10,
       sort: 'created_at',
       order: 'desc',
-      ...(historySearch ? { itemSearch: historySearch } : {}),
+      ...(itemSearch ? { itemSearch } : {}),
     }),
     enabled: !!accountId,
   })
@@ -74,7 +74,7 @@ export function POSCustomerDialog({ open, onOpenChange }: POSCustomerDialogProps
   const { data: searchData, isLoading } = useQuery(accountSearchOptions(search))
   const accounts = searchData?.data ?? []
 
-  const { data: historyData } = useQuery(customerHistoryOptions(showHistory ? accountId : null))
+  const { data: historyData } = useQuery(customerHistoryOptions(showHistory ? accountId : null, historySearch || undefined))
   const history = historyData?.data ?? []
 
   function handleSelect(account: Account) {
diff --git a/packages/backend/src/db/seeds/dev-seed.ts b/packages/backend/src/db/seeds/dev-seed.ts
index 8a49f49..b5f15ee 100644
--- a/packages/backend/src/db/seeds/dev-seed.ts
+++ b/packages/backend/src/db/seeds/dev-seed.ts
@@ -44,7 +44,8 @@ async function seed() {
   if (!adminUser) {
     const bcrypt = await import('bcryptjs')
     const hashedPw = await bcrypt.hash(adminPassword, 10)
-    const [user] = await sql`INSERT INTO "user" (email, password_hash, first_name, last_name, role) VALUES ('admin@lunarfront.dev', ${hashedPw}, 'Admin', 'User', 'admin') RETURNING id`
+    const pinHash = await bcrypt.hash('1234', 10)
+    const [user] = await sql`INSERT INTO "user" (email, password_hash, first_name, last_name, role, employee_number, pin_hash) VALUES ('admin@lunarfront.dev', ${hashedPw}, 'Admin', 'User', 'admin', '1001', ${pinHash}) RETURNING id`
     const [adminRole] = await sql`SELECT id FROM role WHERE slug = 'admin' LIMIT 1`
     if (adminRole) {
       await sql`INSERT INTO user_role_assignment (user_id, role_id) VALUES (${user.id}, ${adminRole.id}) ON CONFLICT DO NOTHING`
@@ -171,6 +172,64 @@ async function seed() {
     console.log(`  Batch: Lincoln High School — 5 items`)
   }
 
+  // --- Sample POS Transactions tied to accounts ---
+  const [adminUsr] = await sql`SELECT id FROM "user" WHERE email = 'admin@lunarfront.dev'`
+  const [mainLoc] = await sql`SELECT id FROM location WHERE name = 'Main Store'`
+  if (adminUsr && mainLoc) {
+    const existingTxns = await sql`SELECT id FROM transaction WHERE account_id IS NOT NULL LIMIT 1`
+    if (existingTxns.length === 0) {
+      const salesData = [
+        { account: 'Smith Family', items: [
+          { desc: 'Violin Strings — Dominant 4/4 Set', qty: 1, price: '59.99', tax: '4.95' },
+          { desc: 'Rosin — Pirastro Goldflex', qty: 1, price: '12.00', tax: '0.99' },
+        ]},
+        { account: 'Smith Family', items: [
+          { desc: 'Shoulder Rest — Kun Original 4/4', qty: 1, price: '35.00', tax: '2.89' },
+        ]},
+        { account: 'Johnson Family', items: [
+          { desc: 'Cello Strings — Jargar Superior Set', qty: 1, price: '89.99', tax: '7.42' },
+          { desc: 'Bow Grip — Leather Cello/Bass', qty: 2, price: '6.00', tax: '0.99' },
+        ]},
+        { account: 'Garcia Workshop', items: [
+          { desc: 'Bridge — Violin 4/4 Blank', qty: 3, price: '18.00', tax: '4.46' },
+          { desc: 'Bow Hair — Mongolian White (hank)', qty: 2, price: '18.00', tax: '2.97' },
+          { desc: 'Bow Tip Plate — Violin Ivory-Style', qty: 5, price: '7.00', tax: '2.89' },
+        ]},
+        { account: 'Emily Chen', items: [
+          { desc: 'Violin Strings — Dominant 4/4 Set', qty: 1, price: '59.99', tax: '4.95' },
+          { desc: 'Chin Rest — Guarneri Ebony 4/4', qty: 1, price: '28.00', tax: '2.31' },
+        ]},
+      ]
+
+      for (const sale of salesData) {
+        const acctId = acctIds[sale.account]
+        if (!acctId) continue
+        const subtotal = sale.items.reduce((s, i) => s + parseFloat(i.price) * i.qty, 0)
+        const taxTotal = sale.items.reduce((s, i) => s + parseFloat(i.tax), 0)
+        const total = Math.round((subtotal + taxTotal) * 100) / 100
+        const txnNum = `TXN-SEED-${String(Math.floor(1000 + Math.random() * 9000))}`
+
+        const [txn] = await sql`INSERT INTO transaction (
+          transaction_number, transaction_type, status, location_id, account_id, processed_by,
+          subtotal, discount_total, tax_total, total, payment_method, completed_at
+        ) VALUES (
+          ${txnNum}, 'sale', 'completed', ${mainLoc.id}, ${acctId}, ${adminUsr.id},
+          ${subtotal.toFixed(2)}, '0.00', ${taxTotal.toFixed(2)}, ${total.toFixed(2)}, 'card_present', NOW()
+        ) RETURNING id`
+
+        for (const item of sale.items) {
+          const lineTotal = Math.round((parseFloat(item.price) * item.qty + parseFloat(item.tax)) * 100) / 100
+          await sql`INSERT INTO transaction_line_item (
+            transaction_id, description, qty, unit_price, tax_rate, tax_amount, line_total
+          ) VALUES (
+            ${txn.id}, ${item.desc}, ${item.qty}, ${item.price}, '0.0825', ${item.tax}, ${lineTotal.toFixed(2)}
+          )`
+        }
+        console.log(`  Transaction: ${txnNum} — ${sale.account} — $${total.toFixed(2)}`)
+      }
+    }
+  }
+
   console.log('\nDev seed complete!')
   await sql.end()
 }