format dart files

formats all dart files using `dart format .` from the root project dir

this makes the code style repeatable by new contributors and makes PR review easier

lib/helpers/cayenne_lpp.dart

@@ -26,9 +26,11 @@ class CayenneLpp {
   static const int lppUnixTime = 133; // 4 bytes, unsigned
   static const int lppGyrometer = 134; // 2 bytes per axis, 0.01 °/s
   static const int lppColour = 135; // 1 byte per RGB Color
-  static const int lppGps = 136; // 3 byte lon/lat 0.0001 °, 3 bytes alt 0.01 meter
+  static const int lppGps =
+      136; // 3 byte lon/lat 0.0001 °, 3 bytes alt 0.01 meter
   static const int lppSwitch = 142; // 1 byte, 0/1
-  static const int lppPolyline = 240; // 1 byte size, 1 byte delta factor, 3 byte lon/lat 0.0001° * factor, n (size-8) bytes deltas
+  static const int lppPolyline =
+      240; // 1 byte size, 1 byte delta factor, 3 byte lon/lat 0.0001° * factor, n (size-8) bytes deltas
 
   final BufferWriter _writer = BufferWriter();
 
@@ -201,10 +203,10 @@ class CayenneLpp {
         break;
       }
 
-      final channelData = channels.putIfAbsent(channel, () => {
-        'channel': channel,
-        'values': <String, dynamic>{},
-      });
+      final channelData = channels.putIfAbsent(
+        channel,
+        () => {'channel': channel, 'values': <String, dynamic>{}},
+      );
 
       switch (type) {
         case lppGenericSensor:
@@ -254,8 +256,8 @@ class CayenneLpp {
       }
     }
 
-  final List<Map<String, dynamic>> channelsOut = channels.values.toList();
-  channelsOut.sort((a, b) => a['channel'].compareTo(b['channel']));
-  return channelsOut;
+    final List<Map<String, dynamic>> channelsOut = channels.values.toList();
+    channelsOut.sort((a, b) => a['channel'].compareTo(b['channel']));
+    return channelsOut;
   }
 }

lib/helpers/link_handler.dart

@@ -26,10 +26,7 @@ class LinkHandler {
               ),
               child: SelectableText(
                 url,
-                style: const TextStyle(
-                  fontSize: 12,
-                  fontFamily: 'monospace',
-                ),
+                style: const TextStyle(fontSize: 12, fontFamily: 'monospace'),
               ),
             ),
           ],

lib/helpers/reaction_helper.dart

@@ -4,10 +4,7 @@ class ReactionInfo {
   final String targetHash;
   final String emoji;
 
-  ReactionInfo({
-    required this.targetHash,
-    required this.emoji,
-  });
+  ReactionInfo({required this.targetHash, required this.emoji});
 }
 
 class ReactionHelper {
@@ -42,7 +39,11 @@ class ReactionHelper {
   /// Compute a 4-char hex hash for a message reaction.
   /// Hash input: timestampSeconds + [senderName] + first 5 chars of text
   /// For 1:1 chats, senderName can be null (sender is implicit).
-  static String computeReactionHash(int timestampSeconds, String? senderName, String text) {
+  static String computeReactionHash(
+    int timestampSeconds,
+    String? senderName,
+    String text,
+  ) {
     final first5 = text.length >= 5 ? text.substring(0, 5) : text;
     final input = senderName != null
         ? '$timestampSeconds$senderName$first5'
@@ -62,9 +63,6 @@ class ReactionHelper {
     final emoji = indexToEmoji(match.group(2)!);
     if (emoji == null) return null;
 
-    return ReactionInfo(
-      targetHash: match.group(1)!,
-      emoji: emoji,
-    );
+    return ReactionInfo(targetHash: match.group(1)!, emoji: emoji);
   }
 }

lib/helpers/smaz.dart

@@ -262,8 +262,9 @@ class Smaz {
     ".com",
   ];
 
-  static final List<Uint8List> _rcbBytes =
-      _rcb.map((s) => Uint8List.fromList(ascii.encode(s))).toList(growable: false);
+  static final List<Uint8List> _rcbBytes = _rcb
+      .map((s) => Uint8List.fromList(ascii.encode(s)))
+      .toList(growable: false);
   static final int _maxEntryLen = _rcbBytes.fold(0, (maxLen, entry) {
     return entry.length > maxLen ? entry.length : maxLen;
   });
@@ -358,24 +359,32 @@ class Smaz {
       final code = input[index];
       if (code == _verbatimSingle) {
         if (index + 1 >= input.length) {
-          throw const FormatException('Invalid SMAZ stream: truncated verbatim byte.');
+          throw const FormatException(
+            'Invalid SMAZ stream: truncated verbatim byte.',
+          );
         }
         out.addByte(input[index + 1]);
         index += 2;
       } else if (code == _verbatimRun) {
         if (index + 1 >= input.length) {
-          throw const FormatException('Invalid SMAZ stream: truncated verbatim length.');
+          throw const FormatException(
+            'Invalid SMAZ stream: truncated verbatim length.',
+          );
         }
         final len = input[index + 1] + 1;
         final end = index + 2 + len;
         if (end > input.length) {
-          throw const FormatException('Invalid SMAZ stream: truncated verbatim run.');
+          throw const FormatException(
+            'Invalid SMAZ stream: truncated verbatim run.',
+          );
         }
         out.add(input.sublist(index + 2, end));
         index = end;
       } else {
         if (code >= _rcbBytes.length) {
-          throw const FormatException('Invalid SMAZ stream: code out of range.');
+          throw const FormatException(
+            'Invalid SMAZ stream: code out of range.',
+          );
         }
         out.add(_rcbBytes[code]);
         index += 1;

lib/helpers/utf8_length_limiter.dart

@@ -8,7 +8,10 @@ class Utf8LengthLimitingTextInputFormatter extends TextInputFormatter {
   const Utf8LengthLimitingTextInputFormatter(this.maxBytes);
 
   @override
-  TextEditingValue formatEditUpdate(TextEditingValue oldValue, TextEditingValue newValue) {
+  TextEditingValue formatEditUpdate(
+    TextEditingValue oldValue,
+    TextEditingValue newValue,
+  ) {
     if (maxBytes <= 0) return oldValue;
     final bytes = utf8.encode(newValue.text);
     if (bytes.length <= maxBytes) return newValue;