feat: subscription tiers, branch-with-manager flow, platform command center

src/app/api/auth/me/route.ts

@@ -4,6 +4,8 @@ import { User } from "@/lib/server/models/User";
 import { Branch } from "@/lib/server/models/Branch";
 import { Business } from "@/lib/server/models/Business";
 import { getAuth } from "@/lib/server/auth";
+import { isPlatformAdminEmail } from "@/lib/server/platform";
+import { TIERS, type TierId, type SubscriptionStatus } from "@/lib/tiers";
 
 export const runtime = "nodejs";
 export const dynamic = "force-dynamic";
@@ -19,6 +21,11 @@ export async function GET(req: NextRequest) {
   }
   const branch = user.branchId ? await Branch.findById(user.branchId).lean() : null;
   const business = await Business.findById(user.businessId).lean();
+
+  const tier = (business?.tier as TierId) ?? "STARTER";
+  const status = (business?.subscriptionStatus as SubscriptionStatus) ?? "TRIALING";
+  const tierDef = TIERS[tier];
+
   return NextResponse.json({
     user: {
       id: user._id,
@@ -30,6 +37,17 @@ export async function GET(req: NextRequest) {
       branchName: branch?.branchName ?? null,
       phoneNumber: user.phoneNumber,
       email: user.email,
+      isPlatformAdmin: isPlatformAdminEmail(user.email),
+    },
+    subscription: {
+      tier,
+      tierName: tierDef.name,
+      priceKsh: tierDef.priceKsh,
+      status,
+      trialEndsAt: business?.trialEndsAt ?? null,
+      currentPeriodEnd: business?.currentPeriodEnd ?? null,
+      maxBranches: tierDef.maxBranches,
+      maxUsers: tierDef.maxUsers,
     },
   });
-}
+}