Fix cashier desk: unpaid bills on every demo branch.

Demo seeding used i%3 for both branch and paid status, so Ridge Clinic only got paid invoices. Cashiers now default to outstanding balances and Call next is secondary to the walk-up unpaid list.

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/Feature/CareBillTest.php

@@ -159,6 +159,41 @@ class CareBillTest extends TestCase
             ->assertSee('INV-');
     }
 
+    public function test_cashier_bills_index_defaults_to_outstanding(): void
+    {
+        $this->actingAs($this->user)
+            ->post(route('care.bills.generate', $this->visit));
+
+        $open = Bill::firstOrFail();
+
+        $paid = Bill::create([
+            'uuid' => (string) \Illuminate\Support\Str::uuid(),
+            'owner_ref' => $this->user->public_id,
+            'organization_id' => $this->organization->id,
+            'branch_id' => $this->visit->branch_id,
+            'visit_id' => $this->visit->id,
+            'patient_id' => $this->visit->patient_id,
+            'invoice_number' => 'INV-PAID-001',
+            'status' => Bill::STATUS_PAID,
+            'subtotal_minor' => 1000,
+            'total_minor' => 1000,
+            'amount_paid_minor' => 1000,
+            'balance_minor' => 0,
+        ]);
+
+        $this->actingAs($this->user)
+            ->get(route('care.bills.index'))
+            ->assertOk()
+            ->assertSee($open->invoice_number)
+            ->assertSee('Pay')
+            ->assertDontSee($paid->invoice_number, false);
+
+        $this->actingAs($this->user)
+            ->get(route('care.bills.index', ['status' => '']))
+            ->assertOk()
+            ->assertSee($paid->invoice_number);
+    }
+
     public function test_cashier_bills_index_links_each_invoice_for_payment(): void
     {
         $this->actingAs($this->user)
@@ -191,6 +226,6 @@ class CareBillTest extends TestCase
         $this->actingAs($this->user)
             ->post(route('care.bills.call-next'), ['branch_id' => Branch::firstOrFail()->id])
             ->assertRedirect()
-            ->assertSessionHas('info', 'No patients waiting at the billing booth. Open an unpaid invoice below to record a walk-up payment.');
+            ->assertSessionHas('info', 'No patients waiting at the billing booth. Open an unpaid invoice above to record a walk-up payment.');
     }
 }

tests/Feature/DemoSeedCommandTest.php

@@ -377,6 +377,28 @@ class DemoSeedCommandTest extends TestCase
             $this->assertNotNull($waiter->practitioner_id, 'Demo waiters must all have a doctor assigned');
             $this->assertNotSame('unresolved', $waiter->queue_routing_status);
         }
+
+        $branches = Branch::query()->where('organization_id', $org->id)->orderBy('id')->get();
+        $this->assertGreaterThanOrEqual(3, $branches->count());
+        foreach ($branches as $branch) {
+            $unpaid = Bill::query()
+                ->where('organization_id', $org->id)
+                ->where('branch_id', $branch->id)
+                ->where('balance_minor', '>', 0)
+                ->count();
+            $this->assertGreaterThan(
+                0,
+                $unpaid,
+                "Branch {$branch->name} must have unpaid demo invoices for cashiers",
+            );
+        }
+
+        $cashier = \App\Models\Member::query()
+            ->where('organization_id', $org->id)
+            ->where('role', 'cashier')
+            ->first();
+        $this->assertNotNull($cashier);
+        $this->assertSame((int) $branches->first()->id, (int) $cashier->branch_id);
     }
 
     public function test_specialty_doctor_links_after_sso_public_id_remap(): void