diff --git a/lib/models/suspected_location.dart b/lib/models/suspected_location.dart
index fd7c05a..63346c3 100644
--- a/lib/models/suspected_location.dart
+++ b/lib/models/suspected_location.dart
@@ -1,4 +1,5 @@
 import 'dart:convert';
+import 'package:flutter/foundation.dart';
 import 'package:latlong2/latlong.dart';
 
 /// A suspected surveillance location from the CSV data
@@ -35,8 +36,8 @@ class SuspectedLocation {
         bounds = coordinates.bounds;
       } catch (e) {
         // If GeoJSON parsing fails, use default coordinates
-        print('[SuspectedLocation] Failed to parse GeoJSON for ticket $ticketNo: $e');
-        print('[SuspectedLocation] Location string: $locationString');
+        debugPrint('[SuspectedLocation] Failed to parse GeoJSON for ticket $ticketNo: $e');
+        debugPrint('[SuspectedLocation] Location string: $locationString');
       }
     }
 
@@ -60,7 +61,7 @@ class SuspectedLocation {
       // The geoJson IS the geometry object (not wrapped in a 'geometry' property)
       final coordinates = geoJson['coordinates'] as List?;
       if (coordinates == null || coordinates.isEmpty) {
-        print('[SuspectedLocation] No coordinates found in GeoJSON');
+        debugPrint('[SuspectedLocation] No coordinates found in GeoJSON');
         return (centroid: const LatLng(0, 0), bounds: <LatLng>[]);
       }
 
@@ -109,7 +110,7 @@ class SuspectedLocation {
           }
           break;
         default:
-          print('Unsupported geometry type: $type');
+          debugPrint('Unsupported geometry type: $type');
       }
 
       if (points.isEmpty) {
@@ -127,7 +128,7 @@ class SuspectedLocation {
 
       return (centroid: centroid, bounds: points);
     } catch (e) {
-      print('Error extracting coordinates from GeoJSON: $e');
+      debugPrint('Error extracting coordinates from GeoJSON: $e');
       return (centroid: const LatLng(0, 0), bounds: <LatLng>[]);
     }
   }
diff --git a/lib/services/auth_service.dart b/lib/services/auth_service.dart
index 843d642..8aa94bb 100644
--- a/lib/services/auth_service.dart
+++ b/lib/services/auth_service.dart
@@ -1,6 +1,7 @@
 import 'dart:convert';
 import 'dart:developer';
 
+import 'package:flutter/foundation.dart';
 import 'package:oauth2_client/oauth2_client.dart';
 import 'package:oauth2_client/oauth2_helper.dart';
 import 'package:http/http.dart' as http;
@@ -98,7 +99,7 @@ class AuthService {
       _displayName = await _fetchUsername(token.accessToken!);
       return _displayName;
     } catch (e) {
-      print('AuthService: OAuth login failed: $e');
+      debugPrint('AuthService: OAuth login failed: $e');
       log('OAuth login failed: $e');
       rethrow;
     }
@@ -126,7 +127,7 @@ class AuthService {
       _displayName = await _fetchUsername(accessToken);
       return _displayName;
     } catch (e) {
-      print('AuthService: Error restoring login with stored token: $e');
+      debugPrint('AuthService: Error restoring login with stored token: $e');
       log('Error restoring login with stored token: $e');
       // Token might be expired or invalid, clear it
       await logout();
@@ -192,7 +193,7 @@ class AuthService {
       final displayName = userData['user']?['display_name'];
       return displayName;
     } catch (e) {
-      print('AuthService: Error fetching username: $e');
+      debugPrint('AuthService: Error fetching username: $e');
       log('Error fetching username: $e');
       return null;
     }
diff --git a/lib/services/node_cache.dart b/lib/services/node_cache.dart
index 2f72cfe..39a0207 100644
--- a/lib/services/node_cache.dart
+++ b/lib/services/node_cache.dart
@@ -1,3 +1,4 @@
+import 'package:flutter/foundation.dart';
 import 'package:latlong2/latlong.dart';
 import '../models/osm_node.dart';
 import 'package:flutter_map/flutter_map.dart' show LatLngBounds;
@@ -85,7 +86,7 @@ class NodeCache {
   /// Remove a node by ID from the cache (used for successful deletions)
   void removeNodeById(int nodeId) {
     if (_nodes.remove(nodeId) != null) {
-      print('[NodeCache] Removed node $nodeId from cache (successful deletion)');
+      debugPrint('[NodeCache] Removed node $nodeId from cache (successful deletion)');
     }
   }
   
@@ -111,19 +112,19 @@ class NodeCache {
     }
     
     if (nodesToRemove.isNotEmpty) {
-      print('[NodeCache] Removed ${nodesToRemove.length} temp nodes at coordinate ${coord.latitude}, ${coord.longitude}');
+      debugPrint('[NodeCache] Removed ${nodesToRemove.length} temp nodes at coordinate ${coord.latitude}, ${coord.longitude}');
     }
   }
 
   /// Remove a specific temporary node by its ID (for queue item-specific cleanup)
   void removeTempNodeById(int tempNodeId) {
     if (tempNodeId >= 0) {
-      print('[NodeCache] Warning: Attempted to remove non-temp node ID $tempNodeId');
+      debugPrint('[NodeCache] Warning: Attempted to remove non-temp node ID $tempNodeId');
       return;
     }
     
     if (_nodes.remove(tempNodeId) != null) {
-      print('[NodeCache] Removed specific temp node $tempNodeId from cache');
+      debugPrint('[NodeCache] Removed specific temp node $tempNodeId from cache');
     }
   }
 
diff --git a/lib/state/auth_state.dart b/lib/state/auth_state.dart
index 0b26be8..dcf163b 100644
--- a/lib/state/auth_state.dart
+++ b/lib/state/auth_state.dart
@@ -21,7 +21,7 @@ class AuthState extends ChangeNotifier {
         _username = await _auth.restoreLogin();
       }
     } catch (e) {
-      print("AuthState: Error during auth initialization: $e");
+      debugPrint("AuthState: Error during auth initialization: $e");
     }
   }
 
@@ -29,7 +29,7 @@ class AuthState extends ChangeNotifier {
     try {
       _username = await _auth.login();
     } catch (e) {
-      print("AuthState: Login error: $e");
+      debugPrint("AuthState: Login error: $e");
       _username = null;
     }
     notifyListeners();
@@ -49,7 +49,7 @@ class AuthState extends ChangeNotifier {
         _username = null;
       }
     } catch (e) {
-      print("AuthState: Auth refresh error: $e");
+      debugPrint("AuthState: Auth refresh error: $e");
       _username = null;
     }
     notifyListeners();
@@ -59,7 +59,7 @@ class AuthState extends ChangeNotifier {
     try {
       _username = await _auth.forceLogin();
     } catch (e) {
-      print("AuthState: Forced login error: $e");
+      debugPrint("AuthState: Forced login error: $e");
       _username = null;
     }
     notifyListeners();
@@ -69,7 +69,7 @@ class AuthState extends ChangeNotifier {
     try {
       return await _auth.isLoggedIn();
     } catch (e) {
-      print("AuthState: Token validation error: $e");
+      debugPrint("AuthState: Token validation error: $e");
       return false;
     }
   }
@@ -92,7 +92,7 @@ class AuthState extends ChangeNotifier {
       }
     } catch (e) {
       _username = null;
-      print("AuthState: Mode change user restoration error: $e");
+      debugPrint("AuthState: Mode change user restoration error: $e");
     }
     notifyListeners();
   }
diff --git a/lib/state/upload_queue_state.dart b/lib/state/upload_queue_state.dart
index 1cafb1d..cabb8d4 100644
--- a/lib/state/upload_queue_state.dart
+++ b/lib/state/upload_queue_state.dart
@@ -29,23 +29,23 @@ class UploadQueueState extends ChangeNotifier {
   // Initialize by loading queue from storage and repopulate cache with pending nodes
   Future<void> init() async {
     await _loadQueue();
-    print('[UploadQueue] Loaded ${_queue.length} items from storage');
+    debugPrint('[UploadQueue] Loaded ${_queue.length} items from storage');
     _repopulateCacheFromQueue();
   }
 
   // Repopulate the cache with pending nodes from the queue on startup
   void _repopulateCacheFromQueue() {
-    print('[UploadQueue] Repopulating cache from ${_queue.length} queue items');
+    debugPrint('[UploadQueue] Repopulating cache from ${_queue.length} queue items');
     final nodesToAdd = <OsmNode>[];
     
     for (final upload in _queue) {
       // Skip completed uploads - they should already be in OSM and will be fetched normally
       if (upload.isComplete) {
-        print('[UploadQueue] Skipping completed upload at ${upload.coord}');
+        debugPrint('[UploadQueue] Skipping completed upload at ${upload.coord}');
         continue;
       }
       
-      print('[UploadQueue] Processing ${upload.operation} upload at ${upload.coord}');
+      debugPrint('[UploadQueue] Processing ${upload.operation} upload at ${upload.coord}');
       
       if (upload.isDeletion) {
         // For deletions: mark the original node as pending deletion if it exists in cache
@@ -73,9 +73,7 @@ class UploadQueueState extends ChangeNotifier {
         tags['_temp_id'] = tempId.toString();
         
         // Store temp ID for future cleanup if not already set
-        if (upload.tempNodeId == null) {
-          upload.tempNodeId = tempId;
-        }
+        upload.tempNodeId ??= tempId;
         
         if (upload.isEdit) {
           // For edits: also mark original with _pending_edit if it exists
@@ -112,7 +110,7 @@ class UploadQueueState extends ChangeNotifier {
     
     if (nodesToAdd.isNotEmpty) {
       _nodeCache.addOrUpdate(nodesToAdd);
-      print('[UploadQueue] Repopulated cache with ${nodesToAdd.length} pending nodes from queue');
+      debugPrint('[UploadQueue] Repopulated cache with ${nodesToAdd.length} pending nodes from queue');
       
       // Save queue if we updated any temp IDs for backward compatibility
       _saveQueue();
@@ -587,7 +585,7 @@ class UploadQueueState extends ChangeNotifier {
         // Still have time, will retry after backoff delay
         final nextDelay = item.nextNodeSubmissionRetryDelay;
         final timeLeft = item.timeUntilAutoClose;
-        debugPrint('[UploadQueue] Will retry node submission in ${nextDelay}, ${timeLeft?.inMinutes}m remaining');
+        debugPrint('[UploadQueue] Will retry node submission in $nextDelay, ${timeLeft?.inMinutes}m remaining');
         // No state change needed - attempt count was already updated above
       }
     }
@@ -646,7 +644,7 @@ class UploadQueueState extends ChangeNotifier {
       // Note: This will NEVER error out - will keep trying until 59-minute window expires
       final nextDelay = item.nextChangesetCloseRetryDelay;
       final timeLeft = item.timeUntilAutoClose;
-      debugPrint('[UploadQueue] Changeset close failed (attempt ${item.changesetCloseAttempts}), will retry in ${nextDelay}, ${timeLeft?.inMinutes}m remaining');
+      debugPrint('[UploadQueue] Changeset close failed (attempt ${item.changesetCloseAttempts}), will retry in $nextDelay, ${timeLeft?.inMinutes}m remaining');
       debugPrint('[UploadQueue] Error: ${result.errorMessage}');
       // No additional state change needed - attempt count was already updated above
     }