feat: API versioning, compound indexes, and new exports

- Add global /api/v1/ prefix with health/ready exclusions
- Add compound indexes on Property and Listing for query optimization
- Export CsrfMiddleware and UploadedFile type from shared infra
- New Prisma migration for compound indexes

Co-Authored-By: Paperclip <noreply@paperclip.ing>

prisma/schema.prisma

@@ -193,9 +193,14 @@ model Property {
   valuations Valuation[]
   media      PropertyMedia[]
 
+  // --- Single-column indexes ---
   @@index([propertyType])
   @@index([district, city])
   @@index([location], type: Gist)
+
+  // --- Compound indexes (query optimization) ---
+  @@index([district, propertyType])
+  @@index([district, city, propertyType])
 }
 
 model PropertyMedia {
@@ -242,6 +247,7 @@ model Listing {
   transactions Transaction[]
   inquiries    Inquiry[]
 
+  // --- Single-column indexes ---
   @@index([status])
   @@index([transactionType])
   @@index([priceVND])
@@ -252,6 +258,13 @@ model Listing {
   @@index([createdAt])
   @@index([featuredUntil])
   @@index([expiresAt])
+
+  // --- Compound indexes (query optimization) ---
+  @@index([sellerId, status, publishedAt(sort: Desc)])
+  @@index([agentId, status])
+  @@index([status, createdAt(sort: Desc)])
+  @@index([status, publishedAt(sort: Desc)])
+  @@index([transactionType, status, createdAt(sort: Desc)])
 }
 
 // =============================================================================