fix: log previously-swallowed errors in ShopinBit and CakePay flows

diff --git a/lib/pages/cakepay/cakepay_order_view.dart b/lib/pages/cakepay/cakepay_order_view.dart
index 1f5cead..4232a4e 100644
--- a/lib/pages/cakepay/cakepay_order_view.dart
+++ b/lib/pages/cakepay/cakepay_order_view.dart
@@ -16,6 +16,7 @@ import '../../services/cakepay/src/models/order.dart';
 import '../../themes/stack_colors.dart';
 import '../../utilities/amount/amount.dart';
 import '../../utilities/assets.dart';
+import '../../utilities/logger.dart';
 import '../../utilities/text_styles.dart';
 import '../../utilities/util.dart';
 import '../../wallets/crypto_currency/crypto_currency.dart';
@@ -224,7 +225,13 @@ class _CakePayOrderViewState extends ConsumerState<CakePayOrderView> {
         Decimal.parse(option.amountFrom.toString()),
         fractionDigits: coin.fractionDigits,
       );
-    } catch (_) {}
+    } catch (e, s) {
+      Logging.instance.e(
+        "Failed to parse CakePay order amount '${option.amountFrom}'",
+        error: e,
+        stackTrace: s,
+      );
+    }
 
     _navigateToSendFrom(
       coin: coin,
diff --git a/lib/pages/shopinbit/shopinbit_offer_view.dart b/lib/pages/shopinbit/shopinbit_offer_view.dart
index 54ac5ba..a8fd750 100644
--- a/lib/pages/shopinbit/shopinbit_offer_view.dart
+++ b/lib/pages/shopinbit/shopinbit_offer_view.dart
@@ -3,6 +3,7 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 
 import '../../providers/global/shopin_bit_service_provider.dart';
 import '../../themes/stack_colors.dart';
+import '../../utilities/logger.dart';
 import '../../utilities/show_loading.dart';
 import '../../utilities/text_styles.dart';
 import '../../utilities/util.dart';
@@ -45,8 +46,13 @@ class _ShopInBitOfferViewState extends ConsumerState<ShopInBitOfferView> {
       // Refresh pulls /full (offer product + price) into the ticket row, which
       // we then read reactively from the DB stream.
       await ref.read(pShopinBitService).refreshOne(widget.apiTicketId);
-    } catch (_) {
-      // Fall back to whatever the row already has.
+    } catch (e, s) {
+      Logging.instance.w(
+        "Failed to refresh ShopInBit offer ${widget.apiTicketId}, "
+        "using cached data",
+        error: e,
+        stackTrace: s,
+      );
     } finally {
       if (mounted) setState(() => _loading = false);
     }
diff --git a/lib/pages/shopinbit/shopinbit_payment_shared.dart b/lib/pages/shopinbit/shopinbit_payment_shared.dart
index 93a6974..befd4e2 100644
--- a/lib/pages/shopinbit/shopinbit_payment_shared.dart
+++ b/lib/pages/shopinbit/shopinbit_payment_shared.dart
@@ -13,6 +13,7 @@ import '../../themes/stack_colors.dart';
 import '../../utilities/address_utils.dart';
 import '../../utilities/amount/amount.dart';
 import '../../utilities/default_eth_tokens.dart';
+import '../../utilities/logger.dart';
 import '../../utilities/text_styles.dart';
 import '../../utilities/util.dart';
 import '../../wallets/crypto_currency/crypto_currency.dart';
@@ -85,7 +86,13 @@ ShopInBitPaymentTarget parseShopInBitPaymentTarget({
         Decimal.parse(amountStr),
         fractionDigits: fractionDigits,
       );
-    } catch (_) {}
+    } catch (e, s) {
+      Logging.instance.e(
+        "Failed to parse ShopInBit payment amount '$amountStr'",
+        error: e,
+        stackTrace: s,
+      );
+    }
   }
 
   return ShopInBitPaymentTarget(address: address, amount: amount);
@@ -244,8 +251,12 @@ Future<PaymentInfo?> fetchShopInBitPaymentInfo(
     if (!putResp.hasError && putResp.value != null) {
       return putResp.value;
     }
-  } catch (_) {
-    // Degrade to polling-only.
+  } catch (e, s) {
+    Logging.instance.w(
+      "fetchShopInBitPaymentInfo failed, degrading to polling-only",
+      error: e,
+      stackTrace: s,
+    );
   }
   return null;
 }
diff --git a/lib/pages/shopinbit/shopinbit_settings_view.dart b/lib/pages/shopinbit/shopinbit_settings_view.dart
index 757c771..fd78339 100644
--- a/lib/pages/shopinbit/shopinbit_settings_view.dart
+++ b/lib/pages/shopinbit/shopinbit_settings_view.dart
@@ -10,6 +10,7 @@ import '../../providers/global/shopin_bit_service_provider.dart';
 import '../../providers/providers.dart';
 import '../../themes/stack_colors.dart';
 import '../../utilities/assets.dart';
+import '../../utilities/logger.dart';
 import '../../utilities/text_styles.dart';
 import '../../utilities/util.dart';
 import '../../widgets/background.dart';
@@ -86,7 +87,12 @@ class _ShopInBitSettingsViewState extends ConsumerState<ShopInBitSettingsView> {
           ),
         );
       }
-    } catch (e) {
+    } catch (e, s) {
+      Logging.instance.e(
+        "Failed to generate ShopInBit customer key",
+        error: e,
+        stackTrace: s,
+      );
       if (mounted) {
         await showDialog<void>(
           context: context,
@@ -131,7 +137,12 @@ class _ShopInBitSettingsViewState extends ConsumerState<ShopInBitSettingsView> {
           ),
         );
       }
-    } catch (e) {
+    } catch (e, s) {
+      Logging.instance.e(
+        "Failed to set ShopInBit customer key",
+        error: e,
+        stackTrace: s,
+      );
       if (mounted) {
         await showDialog<void>(
           context: context,
diff --git a/lib/pages/shopinbit/shopinbit_shipping_view.dart b/lib/pages/shopinbit/shopinbit_shipping_view.dart
index 1f3c412..234ccdf 100644
--- a/lib/pages/shopinbit/shopinbit_shipping_view.dart
+++ b/lib/pages/shopinbit/shopinbit_shipping_view.dart
@@ -11,6 +11,7 @@ import '../../services/shopinbit/src/models/payment.dart';
 import '../../themes/stack_colors.dart';
 import '../../utilities/assets.dart';
 import '../../utilities/constants.dart';
+import '../../utilities/logger.dart';
 import '../../utilities/text_styles.dart';
 import '../../utilities/util.dart';
 import '../../widgets/background.dart';
@@ -213,12 +214,12 @@ class _ShopInBitShippingViewState extends ConsumerState<ShopInBitShippingView> {
 
       if (resp.hasError) {
         // Sandbox may fail here; continue anyway.
-        debugPrint("submitAddress failed: ${resp.exception?.message}");
+        Logging.instance.w("submitAddress failed", error: resp.exception);
       }
 
       paymentInfo = await fetchShopInBitPaymentInfo(ref, widget.apiTicketId);
-    } catch (e) {
-      debugPrint("submitAddress threw: $e");
+    } catch (e, s) {
+      Logging.instance.e("submitAddress threw", error: e, stackTrace: s);
     } finally {
       if (mounted) setState(() => _submitting = false);
     }
diff --git a/lib/pages/shopinbit/step_4_components/shopinbit_step4_submit.dart b/lib/pages/shopinbit/step_4_components/shopinbit_step4_submit.dart
index e432f1e..c0fa9a8 100644
--- a/lib/pages/shopinbit/step_4_components/shopinbit_step4_submit.dart
+++ b/lib/pages/shopinbit/step_4_components/shopinbit_step4_submit.dart
@@ -5,6 +5,7 @@ import "package:flutter/material.dart";
 import "../../../models/shopinbit/shopinbit_request_draft.dart";
 import "../../../services/shopinbit/shopinbit_service.dart";
 import "../../../services/shopinbit/src/models/ticket.dart";
+import "../../../utilities/logger.dart";
 import "../../../utilities/util.dart";
 import "../../../widgets/stack_dialog.dart";
 import "../shopinbit_order_created.dart";
@@ -54,7 +55,12 @@ Future<void> submitShopInBitRequest(
         context,
       ).pushNamed(ShopInBitOrderCreated.routeName, arguments: ref.id),
     );
-  } catch (e) {
+  } catch (e, s) {
+    Logging.instance.e(
+      "Failed to create ShopInBit request",
+      error: e,
+      stackTrace: s,
+    );
     if (context.mounted) {
       await showDialog<void>(
         context: context,
diff --git a/lib/services/shopinbit/shopinbit_service.dart b/lib/services/shopinbit/shopinbit_service.dart
index 85ef51c..9f39c8a 100644
--- a/lib/services/shopinbit/shopinbit_service.dart
+++ b/lib/services/shopinbit/shopinbit_service.dart
@@ -4,6 +4,7 @@ import "package:drift/drift.dart";
 
 import "../../db/drift/shared_db/shared_database.dart";
 import "../../models/shopinbit/shopinbit_enums.dart";
+import "../../utilities/logger.dart";
 import "src/api_response.dart";
 import "src/client.dart";
 import "src/models/message.dart";
@@ -61,7 +62,13 @@ class ShopInBitService {
     final ApiResponse<List<TicketRef>> resp = await client.getTicketsByCustomer(
       key,
     );
-    if (resp.hasError || resp.value == null) return;
+    if (resp.hasError || resp.value == null) {
+      Logging.instance.w(
+        "ShopInBitService.refreshAll: failed to fetch ticket list",
+        error: resp.exception,
+      );
+      return;
+    }
     await Future.wait(resp.value!.map((ref) => _refreshRef(ref, key)));
   }
 
@@ -145,8 +152,12 @@ class ShopInBitService {
     for (final TicketRef ref in candidates) {
       try {
         await _refreshRef(ref, key);
-      } catch (_) {
-        // try the next candidate
+      } catch (e, s) {
+        Logging.instance.w(
+          "Failed to refresh candidate ticket ${ref.id}, trying next",
+          error: e,
+          stackTrace: s,
+        );
       }
       if (await db.shopInBitTicketsDao.getByApiId(ref.id) != null) {
         return ref.id;