feat: placeholder images, Nostr inbox, order lookup, SEO, bigger logo

- 5 SVG placeholder product images (minimal dark style with watermark initials)
- Seed data updated to reference .svg placeholders
- Nostr DM inbox in admin (Messages tab) with shop npub display
- GET /api/admin/nostr-info endpoint for shop pubkey
- My Orders page: customers look up orders by NIP-07 Nostr identity
- GET /api/orders/by-pubkey/:pubkey endpoint with hex validation
- SeoMeta component for OG/Twitter meta tags
- SEO meta on HomeView and ProductView
- Base OG meta tags in index.html
- "My Orders" link in shop header nav
- Splash logo doubled in size on desktop (680px max)

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

server/db/seed.ts

@@ -6,11 +6,11 @@ export function seedProducts(db: Database.Database): void {
   if (count.n > 0) return
 
   const products = [
-    { id: nanoid(), name: 'Shadow Hoodie', slug: 'shadow-hoodie', description: 'Heavyweight cotton hoodie with embroidered Antonym logo. Oversized fit.', price_sats: 250_000, images: JSON.stringify(['/images/shadow-hoodie.jpg']), sizes: JSON.stringify([{ size: 'S', stock: 10 }, { size: 'M', stock: 15 }, { size: 'L', stock: 12 }, { size: 'XL', stock: 8 }]), category: 'tops' },
-    { id: nanoid(), name: 'Inverse Tee', slug: 'inverse-tee', description: 'Premium organic cotton t-shirt. Minimalist design with contrast stitching.', price_sats: 85_000, images: JSON.stringify(['/images/inverse-tee.jpg']), sizes: JSON.stringify([{ size: 'S', stock: 20 }, { size: 'M', stock: 25 }, { size: 'L', stock: 18 }, { size: 'XL', stock: 10 }]), category: 'tops' },
-    { id: nanoid(), name: 'Contradiction Cargo', slug: 'contradiction-cargo', description: 'Relaxed cargo pants with hidden zip pockets. Washed black.', price_sats: 180_000, images: JSON.stringify(['/images/contradiction-cargo.jpg']), sizes: JSON.stringify([{ size: '28', stock: 8 }, { size: '30', stock: 12 }, { size: '32', stock: 15 }, { size: '34', stock: 10 }, { size: '36', stock: 6 }]), category: 'bottoms' },
-    { id: nanoid(), name: 'Paradox Cap', slug: 'paradox-cap', description: 'Unstructured six-panel cap with tonal embroidery. One size.', price_sats: 45_000, images: JSON.stringify(['/images/paradox-cap.jpg']), sizes: JSON.stringify([{ size: 'ONE SIZE', stock: 30 }]), category: 'accessories' },
-    { id: nanoid(), name: 'Duality Jacket', slug: 'duality-jacket', description: 'Reversible bomber jacket. Matte black one side, reflective silver the other.', price_sats: 450_000, images: JSON.stringify(['/images/duality-jacket.jpg']), sizes: JSON.stringify([{ size: 'S', stock: 5 }, { size: 'M', stock: 8 }, { size: 'L', stock: 6 }, { size: 'XL', stock: 4 }]), category: 'outerwear' },
+    { id: nanoid(), name: 'Shadow Hoodie', slug: 'shadow-hoodie', description: 'Heavyweight cotton hoodie with embroidered Antonym logo. Oversized fit.', price_sats: 250_000, images: JSON.stringify(['/images/shadow-hoodie.svg']), sizes: JSON.stringify([{ size: 'S', stock: 10 }, { size: 'M', stock: 15 }, { size: 'L', stock: 12 }, { size: 'XL', stock: 8 }]), category: 'tops' },
+    { id: nanoid(), name: 'Inverse Tee', slug: 'inverse-tee', description: 'Premium organic cotton t-shirt. Minimalist design with contrast stitching.', price_sats: 85_000, images: JSON.stringify(['/images/inverse-tee.svg']), sizes: JSON.stringify([{ size: 'S', stock: 20 }, { size: 'M', stock: 25 }, { size: 'L', stock: 18 }, { size: 'XL', stock: 10 }]), category: 'tops' },
+    { id: nanoid(), name: 'Contradiction Cargo', slug: 'contradiction-cargo', description: 'Relaxed cargo pants with hidden zip pockets. Washed black.', price_sats: 180_000, images: JSON.stringify(['/images/contradiction-cargo.svg']), sizes: JSON.stringify([{ size: '28', stock: 8 }, { size: '30', stock: 12 }, { size: '32', stock: 15 }, { size: '34', stock: 10 }, { size: '36', stock: 6 }]), category: 'bottoms' },
+    { id: nanoid(), name: 'Paradox Cap', slug: 'paradox-cap', description: 'Unstructured six-panel cap with tonal embroidery. One size.', price_sats: 45_000, images: JSON.stringify(['/images/paradox-cap.svg']), sizes: JSON.stringify([{ size: 'ONE SIZE', stock: 30 }]), category: 'accessories' },
+    { id: nanoid(), name: 'Duality Jacket', slug: 'duality-jacket', description: 'Reversible bomber jacket. Matte black one side, reflective silver the other.', price_sats: 450_000, images: JSON.stringify(['/images/duality-jacket.svg']), sizes: JSON.stringify([{ size: 'S', stock: 5 }, { size: 'M', stock: 8 }, { size: 'L', stock: 6 }, { size: 'XL', stock: 4 }]), category: 'outerwear' },
   ]
 
   const insert = db.prepare('INSERT INTO products (id, name, slug, description, price_sats, images, sizes, category) VALUES (@id, @name, @slug, @description, @price_sats, @images, @sizes, @category)')

server/index.ts

@@ -12,6 +12,8 @@ import { adminRouter } from './routes/admin.js'
 import { adminProductsRouter } from './routes/adminProducts.js'
 import { adminOrdersRouter } from './routes/adminOrders.js'
 import { uploadRouter } from './routes/upload.js'
+import { adminNostrRouter } from './routes/adminNostr.js'
+import { ordersByPubkeyRouter } from './routes/ordersByPubkey.js'
 
 const app = express()
 const port = Number(process.env.PORT) || 3141
@@ -32,6 +34,8 @@ app.use('/api/admin', adminRouter)
 app.use('/api/admin/products', adminProductsRouter)
 app.use('/api/admin/orders', adminOrdersRouter)
 app.use('/api/admin/upload', uploadRouter)
+app.use('/api/admin', adminNostrRouter)
+app.use('/api/orders/by-pubkey', ordersByPubkeyRouter)
 
 app.get('/api/health', (_req, res) => { res.json({ ok: true, timestamp: new Date().toISOString() }) })
 

server/routes/adminNostr.ts

@@ -0,0 +1,26 @@
+import { Router } from 'express'
+import { adminAuth } from '../middleware/adminAuth.js'
+
+export const adminNostrRouter = Router()
+adminNostrRouter.use(adminAuth)
+
+adminNostrRouter.get('/nostr-info', async (_req, res) => {
+  const privkeyHex = process.env.NOSTR_PRIVATE_KEY
+  if (!privkeyHex) {
+    res.status(404).json({ error: { code: 'NOT_CONFIGURED', message: 'NOSTR_PRIVATE_KEY not set' } })
+    return
+  }
+
+  try {
+    const { getPublicKey } = await import('nostr-tools/pure')
+    const { npubEncode } = await import('nostr-tools/nip19')
+    const privkey = Uint8Array.from(Buffer.from(privkeyHex, 'hex'))
+    const pubkey = getPublicKey(privkey)
+    const npub = npubEncode(pubkey)
+    privkey.fill(0)
+
+    res.json({ npub, pubkey })
+  } catch {
+    res.status(500).json({ error: { code: 'NOSTR_ERROR', message: 'Failed to derive public key' } })
+  }
+})

server/routes/ordersByPubkey.ts

@@ -0,0 +1,45 @@
+import { Router } from 'express'
+import { getDb } from '../db/connection.js'
+import type { OrderItem, OrderStatus } from '../../shared/types.js'
+
+export const ordersByPubkeyRouter = Router()
+
+interface OrderRow {
+  id: string
+  nostr_pubkey: string | null
+  email: string | null
+  btcpay_invoice_id: string | null
+  status: string
+  items: string
+  total_sats: number
+  note: string | null
+  created_at: string
+  updated_at: string
+}
+
+ordersByPubkeyRouter.get('/:pubkey', (req, res) => {
+  const pubkey = req.params.pubkey
+
+  if (!/^[0-9a-f]{64}$/.test(pubkey)) {
+    res.status(400).json({ error: { code: 'INVALID_PUBKEY', message: 'Invalid hex pubkey' } })
+    return
+  }
+
+  const db = getDb()
+  const rows = db.prepare(
+    'SELECT * FROM orders WHERE nostr_pubkey = ? ORDER BY created_at DESC'
+  ).all(pubkey) as OrderRow[]
+
+  res.json(rows.map((row) => ({
+    id: row.id,
+    nostrPubkey: row.nostr_pubkey,
+    email: row.email,
+    btcpayInvoiceId: row.btcpay_invoice_id,
+    status: row.status as OrderStatus,
+    items: JSON.parse(row.items) as OrderItem[],
+    totalSats: row.total_sats,
+    note: row.note,
+    createdAt: row.created_at,
+    updatedAt: row.updated_at,
+  })))
+})