Fix join 500, wallet dropdown balance, and launcher Meet entry.

Handle billing API failures gracefully on session start, add wallet.balance JSON endpoint, and sync Meet into the app launcher.

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

app/Services/Meet/MeetBillingService.php

@@ -83,8 +83,14 @@ class MeetBillingService
             max(1, (int) config('meet.billing.minimum_streaming_hours', 1))
         );
 
+        $affordable = $this->canAffordSafely($organization->owner_ref, $amountMinor);
+
+        if ($affordable === null) {
+            abort(503, 'Billing is temporarily unavailable. Please try again shortly.');
+        }
+
         abort_unless(
-            $this->billing->canAfford($organization->owner_ref, $amountMinor),
+            $affordable,
             402,
             sprintf(
                 'Insufficient wallet balance. Meetings are billed at GHS %.2f per hour — top up your Ladill wallet to start.',
@@ -198,7 +204,7 @@ class MeetBillingService
         $periodEnd = $this->nextPeriodEnd($base);
         $reference = sprintf('meet-%s-renewal:%s:through:%s', $type, $uuid, $periodEnd->format('Y-m-d'));
 
-        if (! $this->billing->canAfford($organization->owner_ref, $amountMinor)) {
+        if (! ($this->canAffordSafely($organization->owner_ref, $amountMinor) ?? false)) {
             return false;
         }
 
@@ -301,7 +307,7 @@ class MeetBillingService
             return true;
         }
 
-        if (! $this->billing->canAfford($organization->owner_ref, $amountMinor)) {
+        if (! ($this->canAffordSafely($organization->owner_ref, $amountMinor) ?? false)) {
             return false;
         }
 
@@ -357,6 +363,22 @@ class MeetBillingService
         ]);
     }
 
+    /** @return bool|null null when the billing API is unreachable */
+    protected function canAffordSafely(string $ownerRef, int $amountMinor): ?bool
+    {
+        try {
+            return $this->billing->canAfford($ownerRef, $amountMinor);
+        } catch (\Throwable $e) {
+            Log::warning('Meet billing can-afford check failed', [
+                'owner_ref' => $ownerRef,
+                'amount_minor' => $amountMinor,
+                'error' => $e->getMessage(),
+            ]);
+
+            return null;
+        }
+    }
+
     protected function debit(
         string $ownerRef,
         int $amountMinor,