fix(orchestrator): add prisma generate to Dockerfile and reflect-metadata to vitest setup

Two CI fixes:
1. Orchestrator Dockerfile now copies apps/api/prisma schema and runs
   prisma generate before build. Fixes TS2305/TS2339 errors (PrismaClient
   and model properties not found) in docker-build-orchestrator step.
2. Add reflect-metadata to vitest setupFiles. Fixes class-transformer
   decorator error (Reflect.getMetadata is not a function) in DTO unit tests.

apps/orchestrator/Dockerfile

@@ -21,6 +21,8 @@ FROM base AS deps
 COPY packages/shared/package.json ./packages/shared/
 COPY packages/config/package.json ./packages/config/
 COPY apps/orchestrator/package.json ./apps/orchestrator/
+# Copy API prisma schema so prisma generate can run in the orchestrator build
+COPY apps/api/prisma ./apps/api/prisma
 
 # Copy npm configuration for native binary architecture hints
 COPY .npmrc ./
@@ -46,6 +48,10 @@ COPY --from=deps /app/packages/shared/node_modules ./packages/shared/node_module
 COPY --from=deps /app/packages/config/node_modules ./packages/config/node_modules
 COPY --from=deps /app/apps/orchestrator/node_modules ./apps/orchestrator/node_modules
 
+# Copy API prisma schema and generate the Prisma client for the orchestrator
+COPY apps/api/prisma ./apps/api/prisma
+RUN pnpm --filter=@mosaic/orchestrator prisma:generate
+
 # Build the orchestrator app using TurboRepo
 RUN pnpm turbo build --filter=@mosaic/orchestrator