diff --git a/src/routes/_authenticated/billing.tsx b/src/routes/_authenticated/billing.tsx
deleted file mode 100644
index 667d611..0000000
--- a/src/routes/_authenticated/billing.tsx
+++ /dev/null
@@ -1,402 +0,0 @@
-import { createFileRoute } from "@tanstack/react-router";
-import { useQuery, useMutation, useQueryClient } from "@tanstack/react-query";
-import { supabase } from "@/integrations/supabase/client";
-import { useAuth, canBill } from "@/hooks/use-auth";
-import { Button } from "@/components/ui/button";
-import { Input } from "@/components/ui/input";
-import { Label } from "@/components/ui/label";
-import {
-  Select,
-  SelectContent,
-  SelectItem,
-  SelectTrigger,
-  SelectValue,
-} from "@/components/ui/select";
-import { money } from "@/lib/reports";
-import { Plus, Receipt, Eye, CheckCircle2, Loader2, AlertTriangle } from "lucide-react";
-import { useState } from "react";
-import { toast } from "sonner";
-
-export const Route = createFileRoute("/_authenticated/billing")({
-  head: () => ({ meta: [{ title: "Billing — School Portal" }] }),
-  component: BillingPage,
-});
-
-type PreviewRow = {
-  student_id: string;
-  student_name: string;
-  campus_name: string;
-  scheduled_days: number;
-  subtotal_cents: number;
-  total_cents: number;
-};
-
-/** Monday–Sunday of the current week, as ISO dates. */
-function currentWeek(): { from: string; to: string } {
-  const now = new Date();
-  const day = (now.getDay() + 6) % 7; // 0 = Monday
-  const mon = new Date(now);
-  mon.setDate(now.getDate() - day);
-  const sun = new Date(mon);
-  sun.setDate(mon.getDate() + 6);
-  const iso = (d: Date) => d.toISOString().slice(0, 10);
-  return { from: iso(mon), to: iso(sun) };
-}
-
-function BillingPage() {
-  const { user, roles } = useAuth();
-  const qc = useQueryClient();
-  const allowed = canBill(roles);
-
-  const { data: campuses } = useQuery({
-    queryKey: ["campuses"],
-    queryFn: async () =>
-      (await supabase.from("campuses").select("id, name").order("name")).data ?? [],
-  });
-  const { data: tiers } = useQuery({
-    queryKey: ["tuition-tiers"],
-    queryFn: async () =>
-      (await supabase.from("tuition_tiers").select("id, name").order("sort_order")).data ?? [],
-  });
-  const { data: rates } = useQuery({
-    queryKey: ["tuition-rates"],
-    enabled: allowed,
-    queryFn: async () =>
-      (
-        await supabase
-          .from("tuition_rates")
-          .select(
-            "id, amount_cents, rate_basis, attendance_basis, is_active, campuses(name), tuition_tiers(name)",
-          )
-          .order("created_at", { ascending: false })
-      ).data ?? [],
-  });
-  const { data: batches } = useQuery({
-    queryKey: ["invoice-batches"],
-    enabled: allowed,
-    queryFn: async () =>
-      (
-        await supabase
-          .from("invoice_batches")
-          .select(
-            "id, billing_period_start, billing_period_end, status, student_count, total_cents, confirmed_at",
-          )
-          .order("created_at", { ascending: false })
-          .limit(10)
-      ).data ?? [],
-  });
-
-  // ---- rate form ----
-  const [rCampus, setRCampus] = useState("");
-  const [rTier, setRTier] = useState("");
-  const [rBasis, setRBasis] = useState("per_day");
-  const [rAttendance, setRAttendance] = useState("part_time");
-  const [rAmount, setRAmount] = useState("");
-
-  const addRate = useMutation({
-    mutationFn: async () => {
-      const dollars = Number(rAmount);
-      if (!Number.isFinite(dollars) || dollars < 0) throw new Error("Enter a valid amount");
-      const { error } = await supabase.from("tuition_rates").insert({
-        campus_id: rCampus || null,
-        tier_id: rTier || null,
-        rate_basis: rBasis,
-        attendance_basis: rAttendance || null,
-        amount_cents: Math.round(dollars * 100),
-        priority: 200,
-      });
-      if (error) throw error;
-    },
-    onSuccess: () => {
-      setRAmount("");
-      qc.invalidateQueries({ queryKey: ["tuition-rates"] });
-      toast.success("Rate added");
-    },
-    onError: (e: Error) => toast.error(e.message),
-  });
-
-  // ---- batch flow ----
-  const wk = currentWeek();
-  const [from, setFrom] = useState(wk.from);
-  const [to, setTo] = useState(wk.to);
-  const [preview, setPreview] = useState<{ batchId: string; rows: PreviewRow[] } | null>(null);
-
-  const createBatch = useMutation({
-    mutationFn: async () => {
-      const { data, error } = await supabase
-        .from("invoice_batches")
-        .insert({
-          billing_period_start: from,
-          billing_period_end: to,
-          criteria: {},
-          created_by: user?.id ?? null,
-        })
-        .select("id")
-        .single();
-      if (error) throw error;
-      return data.id as string;
-    },
-    onSuccess: (id) => {
-      qc.invalidateQueries({ queryKey: ["invoice-batches"] });
-      toast.success("Batch created — preview it before issuing");
-      runPreview.mutate(id);
-    },
-    onError: (e: Error) => toast.error(e.message),
-  });
-
-  const runPreview = useMutation({
-    mutationFn: async (batchId: string) => {
-      const { data, error } = await supabase.rpc("preview_invoice_batch", { _batch: batchId });
-      if (error) throw error;
-      return { batchId, rows: (data ?? []) as PreviewRow[] };
-    },
-    onSuccess: (r) => {
-      setPreview(r);
-      qc.invalidateQueries({ queryKey: ["invoice-batches"] });
-    },
-    onError: (e: Error) => toast.error(e.message),
-  });
-
-  // The spec requires explicit administrative confirmation before bulk
-  // issuance; generate_invoice_batch() refuses without confirmed_at set.
-  const confirmAndIssue = useMutation({
-    mutationFn: async (batchId: string) => {
-      const { error: upErr } = await supabase
-        .from("invoice_batches")
-        .update({ confirmed_at: new Date().toISOString(), confirmed_by: user?.id ?? null })
-        .eq("id", batchId);
-      if (upErr) throw upErr;
-      const { data, error } = await supabase.rpc("generate_invoice_batch", { _batch: batchId });
-      if (error) throw error;
-      return data as number;
-    },
-    onSuccess: (n) => {
-      setPreview(null);
-      qc.invalidateQueries({ queryKey: ["invoice-batches"] });
-      toast.success(`${n} invoice${n === 1 ? "" : "s"} issued`);
-    },
-    onError: (e: Error) => toast.error(e.message),
-  });
-
-  if (!allowed) {
-    return (
-      <div className="p-8 max-w-2xl">
-        <h1 className="text-2xl font-semibold mb-1">Billing</h1>
-        <p className="text-muted-foreground text-sm">You don't have billing access.</p>
-      </div>
-    );
-  }
-
-  const previewTotal = preview?.rows.reduce((s, r) => s + Number(r.total_cents), 0) ?? 0;
-
-  return (
-    <div className="p-8 max-w-5xl">
-      <h1 className="text-2xl font-semibold mb-1">Billing</h1>
-      <p className="text-muted-foreground text-sm mb-6">Tuition rates and weekly invoice runs.</p>
-
-      {/* ---------- rates ---------- */}
-      <div className="bg-card border rounded-lg p-4 mb-6">
-        <div className="font-medium text-sm mb-3">Tuition rates</div>
-
-        <div className="grid grid-cols-1 md:grid-cols-6 gap-2 mb-4">
-          <Select value={rCampus} onValueChange={setRCampus}>
-            <SelectTrigger>
-              <SelectValue placeholder="Campus" />
-            </SelectTrigger>
-            <SelectContent>
-              {(campuses ?? []).map((c) => (
-                <SelectItem key={c.id} value={c.id}>
-                  {c.name}
-                </SelectItem>
-              ))}
-            </SelectContent>
-          </Select>
-          <Select value={rTier} onValueChange={setRTier}>
-            <SelectTrigger>
-              <SelectValue placeholder="Tier" />
-            </SelectTrigger>
-            <SelectContent>
-              {(tiers ?? []).map((t) => (
-                <SelectItem key={t.id} value={t.id}>
-                  {t.name}
-                </SelectItem>
-              ))}
-            </SelectContent>
-          </Select>
-          <Select value={rAttendance} onValueChange={setRAttendance}>
-            <SelectTrigger>
-              <SelectValue />
-            </SelectTrigger>
-            <SelectContent>
-              <SelectItem value="part_time">Part-time</SelectItem>
-              <SelectItem value="full_time">Full-time</SelectItem>
-            </SelectContent>
-          </Select>
-          <Select value={rBasis} onValueChange={setRBasis}>
-            <SelectTrigger>
-              <SelectValue />
-            </SelectTrigger>
-            <SelectContent>
-              <SelectItem value="per_day">Per day</SelectItem>
-              <SelectItem value="per_week">Per week</SelectItem>
-              <SelectItem value="per_month">Per month</SelectItem>
-              <SelectItem value="flat">Flat</SelectItem>
-            </SelectContent>
-          </Select>
-          <Input
-            placeholder="Amount (e.g. 50)"
-            value={rAmount}
-            onChange={(e) => setRAmount(e.target.value)}
-          />
-          <Button onClick={() => addRate.mutate()} disabled={!rAmount || addRate.isPending}>
-            <Plus className="h-4 w-4 mr-1" /> Add
-          </Button>
-        </div>
-
-        <div className="border rounded divide-y text-sm">
-          {(rates ?? []).map((r) => (
-            <div key={r.id} className="flex items-center justify-between p-2">
-              <span>
-                {r.campuses?.name ?? "All campuses"} · {r.tuition_tiers?.name ?? "All tiers"} ·{" "}
-                <span className="text-muted-foreground">
-                  {r.attendance_basis ?? "any"} / {r.rate_basis}
-                </span>
-              </span>
-              <span className="font-medium">{money(r.amount_cents)}</span>
-            </div>
-          ))}
-          {(rates ?? []).length === 0 && (
-            <div className="p-3 text-muted-foreground">
-              No rates yet. Invoices cannot be calculated until at least one exists.
-            </div>
-          )}
-        </div>
-      </div>
-
-      {/* ---------- batch run ---------- */}
-      <div className="bg-card border rounded-lg p-4 mb-6">
-        <div className="font-medium text-sm mb-3">Weekly invoice run</div>
-        <div className="grid grid-cols-1 md:grid-cols-4 gap-2 items-end">
-          <div>
-            <Label className="text-xs">Period start</Label>
-            <Input type="date" value={from} onChange={(e) => setFrom(e.target.value)} />
-          </div>
-          <div>
-            <Label className="text-xs">Period end</Label>
-            <Input type="date" value={to} onChange={(e) => setTo(e.target.value)} />
-          </div>
-          <Button
-            onClick={() => createBatch.mutate()}
-            disabled={createBatch.isPending || runPreview.isPending}
-          >
-            {createBatch.isPending || runPreview.isPending ? (
-              <Loader2 className="h-4 w-4 mr-1 animate-spin" />
-            ) : (
-              <Eye className="h-4 w-4 mr-1" />
-            )}
-            Preview run
-          </Button>
-        </div>
-      </div>
-
-      {/* ---------- preview ---------- */}
-      {preview && (
-        <div className="bg-card border rounded-lg p-4 mb-6">
-          <div className="flex items-center justify-between mb-3">
-            <div className="font-medium text-sm">
-              Preview — {preview.rows.length} student{preview.rows.length === 1 ? "" : "s"}
-            </div>
-            <div className="text-sm">
-              Total <span className="font-semibold">{money(previewTotal)}</span>
-            </div>
-          </div>
-
-          {preview.rows.length === 0 ? (
-            <div className="flex gap-2 text-sm text-muted-foreground border rounded p-3">
-              <AlertTriangle className="h-4 w-4 shrink-0 mt-0.5 text-amber-600" />
-              <div>
-                No eligible students. A student is only picked up when
-                <code className="mx-1">enrollment_status</code>is <code>enrolled</code> and they
-                have a campus schedule row covering this period. Newly added columns default to
-                <code className="mx-1">prospective</code>, so existing students need updating first.
-              </div>
-            </div>
-          ) : (
-            <>
-              <table className="w-full text-sm">
-                <thead className="text-muted-foreground border-b">
-                  <tr>
-                    <th className="text-left font-normal py-1">Student</th>
-                    <th className="text-left font-normal">Campus</th>
-                    <th className="text-right font-normal">Days</th>
-                    <th className="text-right font-normal">Subtotal</th>
-                    <th className="text-right font-normal">Total</th>
-                  </tr>
-                </thead>
-                <tbody>
-                  {preview.rows.map((r) => (
-                    <tr key={r.student_id} className="border-b last:border-0">
-                      <td className="py-1.5">{r.student_name}</td>
-                      <td className="text-muted-foreground">{r.campus_name ?? "—"}</td>
-                      <td className="text-right">{Number(r.scheduled_days).toFixed(1)}</td>
-                      <td className="text-right">{money(Number(r.subtotal_cents))}</td>
-                      <td className="text-right font-medium">{money(Number(r.total_cents))}</td>
-                    </tr>
-                  ))}
-                </tbody>
-              </table>
-              <div className="flex justify-end gap-2 mt-4">
-                <Button variant="ghost" onClick={() => setPreview(null)}>
-                  Cancel
-                </Button>
-                <Button
-                  onClick={() => confirmAndIssue.mutate(preview.batchId)}
-                  disabled={confirmAndIssue.isPending}
-                >
-                  {confirmAndIssue.isPending ? (
-                    <Loader2 className="h-4 w-4 mr-1 animate-spin" />
-                  ) : (
-                    <CheckCircle2 className="h-4 w-4 mr-1" />
-                  )}
-                  Confirm and issue
-                </Button>
-              </div>
-            </>
-          )}
-        </div>
-      )}
-
-      {/* ---------- history ---------- */}
-      <div className="bg-card border rounded-lg p-4">
-        <div className="font-medium text-sm mb-3">Recent runs</div>
-        <div className="border rounded divide-y text-sm">
-          {(batches ?? []).map((b) => (
-            <div key={b.id} className="flex items-center justify-between p-2">
-              <span className="flex items-center gap-2">
-                <Receipt className="h-4 w-4 text-muted-foreground" />
-                {b.billing_period_start} → {b.billing_period_end}
-                <span className="text-xs px-1.5 py-0.5 rounded bg-muted capitalize">
-                  {b.status}
-                </span>
-              </span>
-              <span className="flex items-center gap-3">
-                <span className="text-muted-foreground">
-                  {b.student_count} invoice{b.student_count === 1 ? "" : "s"}
-                </span>
-                <span className="font-medium">{money(b.total_cents)}</span>
-                {b.status === "previewed" && (
-                  <Button size="sm" variant="ghost" onClick={() => runPreview.mutate(b.id)}>
-                    Re-preview
-                  </Button>
-                )}
-              </span>
-            </div>
-          ))}
-          {(batches ?? []).length === 0 && (
-            <div className="p-3 text-muted-foreground">No runs yet.</div>
-          )}
-        </div>
-      </div>
-    </div>
-  );
-}