chore: commit previously untracked runtime files (splits, auth, participants, shared)

src/app/api/splits/settle/route.ts

@@ -0,0 +1,30 @@
+import { NextRequest, NextResponse } from "next/server";
+import { prisma } from "@/lib/db";
+
+export async function POST(req: NextRequest) {
+  const body = await req.json();
+  const { participant_id, split_ids } = body as {
+    participant_id?: number;
+    split_ids?: number[];
+  };
+
+  const now = new Date();
+
+  if (participant_id) {
+    const result = await prisma.transaction_splits.updateMany({
+      where: { participant_id, settled: false },
+      data: { settled: true, settled_at: now },
+    });
+    return NextResponse.json({ settled: result.count });
+  }
+
+  if (split_ids?.length) {
+    const result = await prisma.transaction_splits.updateMany({
+      where: { id: { in: split_ids }, settled: false },
+      data: { settled: true, settled_at: now },
+    });
+    return NextResponse.json({ settled: result.count });
+  }
+
+  return NextResponse.json({ error: "participant_id or split_ids required" }, { status: 400 });
+}