fix(core): resolve local client url redirects and stabilize dev environment

- enforce localhost:5174 for wheel campaign client URL in local development
- lock vite dev server ports using strictPort on admin (5173) and client (5174)
- sanitize .env.example and remove hardcoded staging domain
- configure root dev orchestration and docker multi-stage build context

apps/api/prisma/migrations/20260912194500_add_wheel_designs/migration.sql

@@ -0,0 +1,6 @@
+-- AlterEnum: add 5 new wheel design themes
+ALTER TYPE "WheelDesign" ADD VALUE IF NOT EXISTS 'RUSTIC_WOOD';
+ALTER TYPE "WheelDesign" ADD VALUE IF NOT EXISTS 'GALAXY_SPACE';
+ALTER TYPE "WheelDesign" ADD VALUE IF NOT EXISTS 'CANDY_LAND';
+ALTER TYPE "WheelDesign" ADD VALUE IF NOT EXISTS 'FIRE_FLAME';
+ALTER TYPE "WheelDesign" ADD VALUE IF NOT EXISTS 'CRYSTAL_ICE';

apps/api/prisma/schema.prisma

@@ -1,5 +1,6 @@
 generator client {
-  provider = "prisma-client-js"
+  provider      = "prisma-client-js"
+  binaryTargets = ["native", "linux-musl-openssl-3.0.x"]
 }
 
 datasource db {
@@ -93,6 +94,11 @@ enum WheelDesign {
   MINIMAL_FLAT
   LUXURY_GOLD
   PLAYFUL_CARTOON
+  RUSTIC_WOOD
+  GALAXY_SPACE
+  CANDY_LAND
+  FIRE_FLAME
+  CRYSTAL_ICE
 }
 
 // ==================== MODELS ====================