Initial Falah Mobile rebuild — all 7 blocks complete

- Auth system (login/register/profile)
- Nur AI chat with persona system
- Souq marketplace with FLH economy
- Forum community with Shariah moderation
- Wallet & FLH top-up
- Premium/Pro tier upgrade with Polar.sh
- Halal Monitor with map & bookmarks
- Home dashboard with daily verse & streaks
- Health endpoints

Next.js 16.2.7, Prisma v5 SQLite, JWT auth, Tailwind CSS v4

src/app/api/halal/usage/route.ts

@@ -0,0 +1,129 @@
+import { NextRequest, NextResponse } from "next/server";
+import { prisma } from "@/lib/prisma";
+import { requireAuth } from "@/lib/auth";
+import { getUserTier, HALAL_LIMITS } from "@/lib/tiers";
+
+export async function GET(request: NextRequest) {
+  try {
+    const auth = await requireAuth(request);
+    if (!auth) {
+      return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
+    }
+
+    const user = await prisma.user.findUnique({
+      where: { id: auth.userId },
+      include: { halalUsage: true },
+    });
+    if (!user) {
+      return NextResponse.json({ error: "User not found" }, { status: 404 });
+    }
+
+    const tier = getUserTier(user.isPremium, user.isPro);
+    const limits = HALAL_LIMITS[tier];
+
+    // If no usage record exists yet, return defaults
+    const usage = user.halalUsage;
+    const queriesUsed = usage?.queriesUsed ?? 0;
+    const queriesLimit = usage?.queriesLimit ?? limits.queriesPerDay;
+    const periodEnd = usage?.periodEnd?.toISOString() ?? null;
+
+    const remaining = Math.max(0, queriesLimit - queriesUsed);
+
+    return NextResponse.json({
+      queriesUsed,
+      queriesLimit,
+      remaining,
+      periodEnd,
+      tier,
+      scope: limits.scope,
+    });
+  } catch (error) {
+    console.error("GET /api/halal/usage error:", error);
+    return NextResponse.json(
+      { error: "Internal server error" },
+      { status: 500 }
+    );
+  }
+}
+
+export async function POST(request: NextRequest) {
+  try {
+    const auth = await requireAuth(request);
+    if (!auth) {
+      return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
+    }
+
+    const user = await prisma.user.findUnique({
+      where: { id: auth.userId },
+      include: { halalUsage: true },
+    });
+    if (!user) {
+      return NextResponse.json({ error: "User not found" }, { status: 404 });
+    }
+
+    const tier = getUserTier(user.isPremium, user.isPro);
+    const limits = HALAL_LIMITS[tier];
+
+    // Get or create usage record
+    let usage = user.halalUsage;
+
+    // Check if period has expired — reset if so
+    const now = new Date();
+    if (usage && usage.periodEnd && new Date(usage.periodEnd) < now) {
+      usage = await prisma.halalUsage.update({
+        where: { userId: user.id },
+        data: {
+          queriesUsed: 0,
+          queriesLimit: limits.queriesPerDay,
+          periodEnd: new Date(now.getTime() + 24 * 60 * 60 * 1000),
+        },
+      });
+    }
+
+    if (!usage) {
+      usage = await prisma.halalUsage.create({
+        data: {
+          userId: user.id,
+          queriesUsed: 0,
+          queriesLimit: limits.queriesPerDay,
+          periodEnd: new Date(now.getTime() + 24 * 60 * 60 * 1000),
+        },
+      });
+    }
+
+    // Check if allowed
+    if (usage.queriesUsed >= usage.queriesLimit && limits.queriesPerDay !== Infinity) {
+      return NextResponse.json(
+        {
+          allowed: false,
+          remaining: 0,
+          queriesUsed: usage.queriesUsed,
+          queriesLimit: usage.queriesLimit,
+          error: "Daily query limit reached. Upgrade to Premium for unlimited queries.",
+        },
+        { status: 429 }
+      );
+    }
+
+    // Increment usage
+    const updated = await prisma.halalUsage.update({
+      where: { userId: user.id },
+      data: { queriesUsed: { increment: 1 } },
+    });
+
+    const remaining = Math.max(0, updated.queriesLimit - updated.queriesUsed);
+
+    return NextResponse.json({
+      allowed: true,
+      remaining,
+      queriesUsed: updated.queriesUsed,
+      queriesLimit: updated.queriesLimit,
+    });
+  } catch (error) {
+    console.error("POST /api/halal/usage error:", error);
+    return NextResponse.json(
+      { error: "Internal server error" },
+      { status: 500 }
+    );
+  }
+}