diff --git a/packages/backend/src/db/seeds/music-store-seed.ts b/packages/backend/src/db/seeds/music-store-seed.ts
index 2dc6558..c199b8c 100644
--- a/packages/backend/src/db/seeds/music-store-seed.ts
+++ b/packages/backend/src/db/seeds/music-store-seed.ts
@@ -210,15 +210,32 @@ async function seed() {
   // First clear any generic tickets
   await sql`DELETE FROM repair_ticket WHERE id NOT IN (SELECT DISTINCT repair_ticket_id FROM repair_note)`
 
-  const tickets = [
-    { customer: 'Mike Thompson', item: 'Jay Haide Cello 4/4', serial: 'JH-C44-1892', problem: 'Endpin mechanism worn, slips during playing. Seam opening near lower bout.', condition: 'fair', status: 'in_progress', estimate: '95.00' },
-    { customer: 'Emily Chen', item: 'Scott Cao Viola 16"', serial: 'SC-VA16-0547', problem: 'Bridge warped, soundpost has shifted. Needs full setup.', condition: 'fair', status: 'pending_approval', estimate: '120.00' },
-    { customer: 'David Smith', item: 'German Workshop Violin 4/4', serial: null, problem: 'Bow needs rehair, bridge slightly warped', condition: 'fair', status: 'ready', estimate: '105.00' },
-    { customer: 'Carlos Garcia', item: 'Eastman VL305 Violin 4/4', serial: 'EA-V305-X42', problem: 'Fingerboard wear near 3rd position, open seam on top plate', condition: 'good', status: 'new', estimate: null },
-    { customer: 'Patricia Williams', item: 'Shen SB100 Bass 3/4', serial: 'SH-B34-0891', problem: 'Bridge feet not fitting soundboard, wolf tone on G string', condition: 'good', status: 'diagnosing', estimate: null },
-    { customer: 'Walk-In Customer', item: 'Student Violin 3/4', serial: null, problem: 'Pegs slipping, E string buzzing against fingerboard', condition: 'fair', status: 'intake', estimate: null },
-    { customer: 'Smith Family', item: 'Suzuki Student Violin 1/2', serial: null, problem: 'Pegs slipping, bridge leaning forward', condition: 'fair', status: 'new', estimate: null },
-    { customer: 'Rivera Family', item: 'Eastman VC80 Cello 3/4', serial: 'EA-VC80-3Q-X01', problem: 'A string peg cracked, needs replacement. Bow rehair overdue.', condition: 'good', status: 'in_progress', estimate: '85.00' },
+  const tickets: { customer: string; item: string; serial: string | null; problem: string; condition: string; status: string; estimate: string | null; lineItems: { type: string; desc: string; qty: number; price: number; cost?: number }[] }[] = [
+    { customer: 'Mike Thompson', item: 'Jay Haide Cello 4/4', serial: 'JH-C44-1892', problem: 'Endpin mechanism worn, slips during playing. Seam opening near lower bout.', condition: 'fair', status: 'in_progress', estimate: '95.00', lineItems: [
+      { type: 'labor', desc: 'Endpin repair — remove and refit mechanism', qty: 1, price: 45 },
+      { type: 'labor', desc: 'Seam repair — lower bout', qty: 1, price: 45 },
+      { type: 'consumable', desc: 'Hide glue', qty: 1, price: 5, cost: 5 },
+    ]},
+    { customer: 'Emily Chen', item: 'Scott Cao Viola 16"', serial: 'SC-VA16-0547', problem: 'Bridge warped, soundpost has shifted. Needs full setup.', condition: 'fair', status: 'pending_approval', estimate: '120.00', lineItems: [
+      { type: 'flat_rate', desc: 'Bridge replacement — Viola', qty: 1, price: 75, cost: 18 },
+      { type: 'labor', desc: 'Soundpost adjustment', qty: 1, price: 25 },
+      { type: 'flat_rate', desc: 'String change — Viola', qty: 1, price: 35, cost: 32 },
+    ]},
+    { customer: 'David Smith', item: 'German Workshop Violin 4/4', serial: null, problem: 'Bow needs rehair, bridge slightly warped', condition: 'fair', status: 'ready', estimate: '105.00', lineItems: [
+      { type: 'flat_rate', desc: 'Bow rehair — Violin 4/4', qty: 1, price: 65, cost: 15 },
+      { type: 'flat_rate', desc: 'Bridge setup — Violin 4/4', qty: 1, price: 40, cost: 10 },
+      { type: 'consumable', desc: 'Bow hair — Mongolian white', qty: 1, price: 18, cost: 18 },
+    ]},
+    { customer: 'Carlos Garcia', item: 'Eastman VL305 Violin 4/4', serial: 'EA-V305-X42', problem: 'Fingerboard wear near 3rd position, open seam on top plate', condition: 'good', status: 'new', estimate: null, lineItems: [] },
+    { customer: 'Patricia Williams', item: 'Shen SB100 Bass 3/4', serial: 'SH-B34-0891', problem: 'Bridge feet not fitting soundboard, wolf tone on G string', condition: 'good', status: 'diagnosing', estimate: null, lineItems: [] },
+    { customer: 'Walk-In Customer', item: 'Student Violin 3/4', serial: null, problem: 'Pegs slipping, E string buzzing against fingerboard', condition: 'fair', status: 'intake', estimate: null, lineItems: [] },
+    { customer: 'Smith Family', item: 'Suzuki Student Violin 1/2', serial: null, problem: 'Pegs slipping, bridge leaning forward', condition: 'fair', status: 'new', estimate: null, lineItems: [] },
+    { customer: 'Rivera Family', item: 'Eastman VC80 Cello 3/4', serial: 'EA-VC80-3Q-X01', problem: 'A string peg cracked, needs replacement. Bow rehair overdue.', condition: 'good', status: 'in_progress', estimate: '85.00', lineItems: [
+      { type: 'part', desc: 'Pegs — Cello Boxwood Set (4)', qty: 1, price: 28, cost: 10 },
+      { type: 'labor', desc: 'Peg fitting — Cello', qty: 1, price: 35 },
+      { type: 'flat_rate', desc: 'Bow rehair — Cello', qty: 1, price: 75, cost: 18 },
+      { type: 'consumable', desc: 'Peg compound', qty: 1, price: 6, cost: 6 },
+    ]},
   ]
 
   for (const t of tickets) {
@@ -226,8 +243,12 @@ async function seed() {
     if (existing.length > 0) continue
     const num = String(Math.floor(100000 + Math.random() * 900000))
     const acctId = acctIds[t.customer] ?? null
-    await sql`INSERT INTO repair_ticket (ticket_number, customer_name, account_id, item_description, serial_number, problem_description, condition_in, status, estimated_cost) VALUES (${num}, ${t.customer}, ${acctId}, ${t.item}, ${t.serial}, ${t.problem}, ${t.condition}, ${t.status}, ${t.estimate})`
-    console.log(`  Ticket: ${t.customer} — ${t.item} [${t.status}]`)
+    const [ticket] = await sql`INSERT INTO repair_ticket (ticket_number, customer_name, account_id, item_description, serial_number, problem_description, condition_in, status, estimated_cost) VALUES (${num}, ${t.customer}, ${acctId}, ${t.item}, ${t.serial}, ${t.problem}, ${t.condition}, ${t.status}, ${t.estimate}) RETURNING id`
+    for (const li of t.lineItems) {
+      const total = (li.qty * li.price).toFixed(2)
+      await sql`INSERT INTO repair_line_item (repair_ticket_id, item_type, description, qty, unit_price, total_price, cost) VALUES (${ticket.id}, ${li.type}, ${li.desc}, ${li.qty}, ${li.price.toFixed(2)}, ${total}, ${li.cost?.toFixed(2) ?? null})`
+    }
+    console.log(`  Ticket: ${t.customer} — ${t.item} [${t.status}]${t.lineItems.length > 0 ? ` (${t.lineItems.length} items)` : ''}`)
   }
 
   // --- School Orchestra Batch ---