feat: add room flags for indoors, soundproof, arena, guildhall, mobs, tracking, portals, scanning

Add 8 new boolean fields to Room model to support legacy room flag
import: isIndoors, isSoundproof, isArena, isGuildhall, allowsMobs,
allowsTracking, allowsPortals, allowsScanning.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: stridera

packages/db/prisma/schema.prisma

@@ -1152,6 +1152,14 @@ model Room {
   allowsSummon  Boolean @default(true) @map("allows_summon") // Summon spell works
   allowsTeleport Boolean @default(true) @map("allows_teleport") // Teleport works
   isDeathTrap   Boolean @default(false) @map("is_death_trap") // Instant death room
+  isIndoors      Boolean @default(false) @map("is_indoors")      // Weather/time-of-day affects room
+  isSoundproof   Boolean @default(false) @map("is_soundproof")   // Blocks shouts/gossip
+  isArena        Boolean @default(false) @map("is_arena")        // Safe PK zone
+  isGuildhall    Boolean @default(false) @map("is_guildhall")    // Guild hall room
+  allowsMobs     Boolean @default(true)  @map("allows_mobs")     // Mobs can enter
+  allowsTracking Boolean @default(true)  @map("allows_tracking") // Track spell works
+  allowsPortals  Boolean @default(true)  @map("allows_portals")  // Moonwell/portal spells work
+  allowsScanning Boolean @default(true)  @map("allows_scanning") // Scan spell works
 
   layoutX               Int?                    @map("layout_x")
   layoutY               Int?                    @map("layout_y")