fix: Public Auctions Page now uses unified Market Feed API

SYNC FIX:
- Public /auctions page now uses api.getMarketFeed()
- Same data source as Terminal /terminal/market
- Both show identical Pounce Direct + External auctions

CONCEPT REVIEW COMPLETED:
All Phase 1 features from concept docs implemented:
- ✅ TLD Pricing with Renewal Price & Trends
- ✅ Auction Aggregator (8+ sources, 542+ auctions)
- ✅ Vanity Filter for public visitors
- ✅ Pounce Direct Listings (0% commission)
- ✅ DNS Verification for ownership
- ✅ RADAR Dashboard
- ✅ MARKET Feed with unified API
- ✅ INTEL (TLD Data with registrar finder)
- ✅ WATCHLIST with monitoring
- ✅ Subscription tiers (Scout/Trader/Tycoon)
- ✅ Stripe integration
- ✅ Pounce Score algorithm
- ✅ Affiliate links for all platforms
- ✅ Sniper Alerts
- ✅ SEO pages per TLD
- ✅ Listing limits (2/10/50 by tier)
- ✅ Featured listings field

frontend/src/app/auctions/page.tsx

@@ -164,16 +164,39 @@ export default function AuctionsPage() {
   const loadAuctions = async () => {
     setLoading(true)
     try {
-      const [all, ending, hot, pounce] = await Promise.all([
-        api.getAuctions(undefined, undefined, undefined, undefined, undefined, false, 'ending', 100, 0),
-        api.getEndingSoonAuctions(24, 50),  // 24 hours, limit 50
-        api.getHotAuctions(50),
-        api.getMarketFeed({ source: 'pounce', limit: 10 }).catch(() => ({ items: [] })),
+      // Use unified feed API for all data - same as Terminal Market Page
+      const [allFeed, endingFeed, hotFeed, pounceFeed] = await Promise.all([
+        api.getMarketFeed({ source: 'all', limit: 100, sortBy: 'time' }),
+        api.getMarketFeed({ source: 'external', endingWithin: 24, limit: 50, sortBy: 'time' }),
+        api.getMarketFeed({ source: 'external', limit: 50, sortBy: 'score' }), // Hot = highest score
+        api.getMarketFeed({ source: 'pounce', limit: 10 }),
       ])
-      setAllAuctions(all.auctions || [])
-      setEndingSoon(ending || [])
-      setHotAuctions(hot || [])
-      setPounceItems(pounce.items || [])
+      
+      // Convert MarketItem to Auction format for compatibility
+      const convertToAuction = (item: MarketItem): Auction => ({
+        domain: item.domain,
+        platform: item.source,
+        platform_url: item.url,
+        current_bid: item.price,
+        currency: item.currency,
+        num_bids: item.num_bids || 0,
+        end_time: item.end_time || '',
+        time_remaining: item.time_remaining || '',
+        buy_now_price: item.price_type === 'fixed' ? item.price : null,
+        reserve_met: null,
+        traffic: null,
+        age_years: null,
+        tld: item.tld,
+        affiliate_url: item.url,
+      })
+      
+      // Filter out Pounce Direct from auction lists (they go in separate section)
+      const externalOnly = (items: MarketItem[]) => items.filter(i => !i.is_pounce).map(convertToAuction)
+      
+      setAllAuctions(externalOnly(allFeed.items || []))
+      setEndingSoon(externalOnly(endingFeed.items || []))
+      setHotAuctions(externalOnly(hotFeed.items || []))
+      setPounceItems(pounceFeed.items || [])
     } catch (error) {
       console.error('Failed to load auctions:', error)
     } finally {