Speak formula names, fit sheet value

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

app/lib/widgets/body/dated_value_card.dart

@@ -167,7 +167,13 @@ class _DatedValueCardState extends State<DatedValueCard> {
             if (latest == null)
               Icon(Icons.block, size: 18, color: scheme.outline)
             else
-              Text('${_fmt(latest.$2)}  ${latest.$1}'),
+              // Scales down instead of clipping on a narrow sheet.
+              Flexible(
+                child: FittedBox(
+                  fit: BoxFit.scaleDown,
+                  child: Text('${_fmt(latest.$2)}  ${latest.$1}', maxLines: 1),
+                ),
+              ),
           ],
         ),
         Row(

app/lib/widgets/body/formula_figure.dart

@@ -1,5 +1,5 @@
-/// A kcal formula shown as a glyph + number; its proper name is only a
-/// long-press tooltip.
+/// A kcal formula shown as a glyph + number; its proper name is only the
+/// glyph's spoken label.
 library;
 
 import 'package:diet_guard_app/services/activity_kcal.dart';
@@ -13,7 +13,7 @@ const Map<String, IconData> formulaIcons = {
   'Per-km': Icons.straighten,
 };
 
-/// The glyph for formula [name], tooltipped with the formula's proper name.
+/// The glyph for formula [name], spoken as the formula's proper name.
 class FormulaGlyph extends StatelessWidget {
   /// Creates a glyph for [name].
   const FormulaGlyph(this.name, {this.size = 16, super.key});
@@ -24,14 +24,13 @@ class FormulaGlyph extends StatelessWidget {
   /// Glyph size.
   final double size;
 
+  // The proper name is spoken only: a tooltip paints on long-press.
   @override
-  Widget build(BuildContext context) => Tooltip(
-    message: name,
-    child: Icon(
+  Widget build(BuildContext context) => Icon(
     formulaIcons[name],
     size: size,
     color: Theme.of(context).colorScheme.onSurfaceVariant,
-    ),
+    semanticLabel: name,
   );
 }
 

app/lib/widgets/body/goal_icons.dart

@@ -3,6 +3,7 @@
 library;
 
 import 'package:diet_guard_app/services/body_energy.dart';
+import 'package:diet_guard_app/widgets/body/formula_figure.dart';
 import 'package:flutter/material.dart';
 
 /// Lose = down arrow, maintain = level bar, gain = up arrow.
@@ -20,24 +21,25 @@ IconData timeUnitIcon(String unit) => switch (unit) {
   _ => Icons.event_repeat,
 };
 
-/// The five levels ramp from a chair to a barbell; measured is a gauge.
+/// The five levels ramp from a chair to a barbell; a measured choice wears
+/// its formula's glyph (the same one the Activity sheet shows next to kcal).
 IconData activityIcon(String key) => switch (key) {
   'sedentary' => Icons.chair,
   'light' => Icons.directions_walk,
   'moderate' => Icons.directions_bike,
   'very' => Icons.directions_run,
   'extra' => Icons.fitness_center,
+  _ when key.startsWith(measuredPrefix) =>
+    formulaIcons[key.substring(measuredPrefix.length)] ?? Icons.speed,
   _ => Icons.speed,
 };
 
-/// Short non-word caption under an activity icon: the TDEE multiplier of a
-/// level, or the proper name of the measured formula.
-String activityCaption(String key) {
-  if (key.startsWith(measuredPrefix)) {
-    return key.substring(measuredPrefix.length);
-  }
+/// Numeric caption under an activity icon: the TDEE multiplier of a level.
+/// Null for a measured formula (its glyph names it; the proper name is only
+/// spoken) and for an unknown key.
+String? activityCaption(String key) {
   for (final level in activityLevels) {
     if (level.key == key) return formatG(level.factor);
   }
-  return key;
+  return null;
 }

app/test/no_words_body_test.dart

@@ -0,0 +1,90 @@
+// Guard: the Body screen, every tile sheet and the activity-method chooser
+// paint no words (only numbers, unit symbols, MET and workout labels).
+
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'label_finders.dart';
+import 'no_words_support.dart';
+import 'screens/body_screen_support.dart';
+
+/// Workout labels the PC published (content, see `seedPerson`), plus the
+/// proper names of the BMI / ideal-weight / BMR formulas that label their
+/// figures (DOUBT rows in keep.md: kept from the first pilot, outside the
+/// activity sheet). Activity formulas (ACSM, Per-km) are NOT here: that sheet
+/// and its chooser show glyphs only.
+const Set<String> _workouts = {
+  'Evening run',
+  'StrongLifts A',
+  'Harris-Benedict (revised 1984)',
+  'Peterson (BMI 22)',
+  'Mifflin-St Jeor',
+  'Katch-McArdle',
+  'Cunningham',
+  'BMI Prime',
+  'Trefethen',
+  'Devine',
+  'Robinson',
+  'Miller',
+};
+
+void main() {
+  late MemoryDocStore store;
+
+  setUp(() async {
+    store = MemoryDocStore();
+    await setUpBodyServices(store);
+  });
+  tearDown(tearDownBodyServices);
+
+  test('the checker flags an injected word (canary)', () {
+    expect(wordsIn('70.0 kg'), isEmpty);
+    expect(wordsIn('265 MET'), isEmpty);
+    expect(wordsIn('Measured (ACSM)'), isNotEmpty);
+    expect(wordsIn('Evening run 4 km', content: _workouts), ['km']);
+    expect(wordsIn('Evening run', content: _workouts), isEmpty);
+  });
+
+  testWidgets('canary: a painted word fails the guard', (tester) async {
+    await tester.pumpWidget(const MaterialApp(home: Text('Activity')));
+    expect(() => expectNoWords(tester), throwsA(isA<TestFailure>()));
+  });
+
+  for (final seeded in [false, true]) {
+    testWidgets('body tiles and sheets paint no words (seeded: $seeded)', (
+      tester,
+    ) async {
+      if (seeded) await seedPerson(store);
+      await pumpBody(tester);
+      final found = wordyStrings(
+        tester,
+        content: _workouts,
+        minStrings: 5,
+        where: 'tiles',
+      );
+      for (final title in tileTitles(tester)) {
+        await openTile(tester, title);
+        found.addAll(wordyStrings(tester, content: _workouts, where: title));
+        await closeSheet(tester);
+      }
+      expect(found, isEmpty);
+    });
+  }
+
+  testWidgets('the activity-method chooser paints no words', (tester) async {
+    await seedPerson(store);
+    await pumpBody(tester);
+    await openTile(tester, 'Daily calorie target');
+    await tester.tap(bySemLabel('Moderate').first);
+    await tester.pumpAndSettle();
+    expectNoWords(
+      tester,
+      content: _workouts,
+      minStrings: 8,
+      where: 'activity chooser',
+    );
+    await tester.tap(bySemLabel('Measured (ACSM)').last);
+    await tester.pumpAndSettle();
+    expectNoWords(tester, content: _workouts, where: 'measured goal');
+  });
+}

app/test/widgets/body/formula_and_tile_layout_test.dart

@@ -5,6 +5,8 @@ import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter_test/flutter_test.dart';
 
+import '../../label_finders.dart';
+
 Future<void> _pumpAt(WidgetTester tester, Size dp, Widget child) async {
   tester.view.physicalSize = dp;
   tester.view.devicePixelRatio = 1;
@@ -35,9 +37,7 @@ bool _paintsFormulaWord(Widget w) =>
     ].any((word) => (w.data ?? '').contains(word));
 
 void main() {
-  testWidgets('activity formulas are icons; names only in tooltips', (
-    tester,
-  ) async {
+  testWidgets('activity formulas are icons; names only spoken', (tester) async {
     await _pumpAt(
       tester,
       const Size(360, 2400),
@@ -48,34 +48,19 @@ void main() {
       ),
     );
     expect(find.byWidgetPredicate(_paintsFormulaWord), findsNothing);
+    // A tooltip paints on long-press: none may carry a formula name.
+    expect(find.byType(Tooltip), findsNothing);
     for (final name in ['MET', 'ACSM', 'Per-km']) {
       // One in the mean row, one in the session tile.
-      expect(find.byTooltip(name), findsNWidgets(2));
+      expect(byIconLabel(name), findsNWidgets(2));
     }
     expect(find.text('300'), findsOneWidget);
     expect(find.text('310'), findsOneWidget);
     expect(find.text('320'), findsOneWidget);
     // Distinct glyphs, so the three are told apart without words.
-    final icons = tester
-        .widgetList<Icon>(
-          find.descendant(
-            of: find.byTooltip('MET').first,
-            matching: find.byType(Icon),
-          ),
-        )
-        .map((i) => i.icon)
-        .toSet();
-    expect(icons, hasLength(1));
     final glyphs = {
       for (final name in ['MET', 'ACSM', 'Per-km'])
-        (tester
-            .widget<Icon>(
-              find.descendant(
-                of: find.byTooltip(name).first,
-                matching: find.byType(Icon),
-              ),
-            )
-            .icon),
+        tester.widget<Icon>(byIconLabel(name).first).icon,
     };
     expect(glyphs, hasLength(3));
   });
@@ -98,11 +83,12 @@ void main() {
     expect(find.byWidgetPredicate(_paintsFormulaWord), findsNothing);
   });
 
-  for (final width in [360.0, 411.0]) {
-    testWidgets('a weight tile value fits whole at $width dp', (tester) async {
+  // A 360 dp phone, the Pixel's 411 dp, and a 4K web window.
+  for (final size in const [Size(360, 800), Size(411, 800), Size(3840, 2160)]) {
+    testWidgets('a weight tile value fits whole at $size', (tester) async {
       await _pumpAt(
         tester,
-        Size(width, 800),
+        size,
         Padding(
           padding: const EdgeInsets.all(16),
           child: BodyTileGrid(
@@ -130,11 +116,14 @@ void main() {
         expect(paragraph.didExceedMaxLines, isFalse, reason: value);
         final card = find.ancestor(of: text, matching: find.byType(Card));
         final inside = tester.getRect(card).inflate(0.5);
-        expect(inside.contains(tester.getRect(text).topLeft), isTrue);
-        expect(inside.contains(tester.getRect(text).bottomRight), isTrue);
+        // The painted rect (after FittedBox scaling) sits inside the tile.
+        final painted = tester.getRect(text);
+        expect(inside.contains(painted.topLeft), isTrue, reason: value);
+        expect(inside.contains(painted.bottomRight), isTrue, reason: value);
+        expect(painted.width, lessThanOrEqualTo(inside.width), reason: value);
         // The full text is laid out (no ellipsis clipping): its width is
         // the natural width of "70.0 kg" at this font.
-        expect(tester.getSize(text).width, greaterThan(40));
+        expect(paragraph.size.width, greaterThan(40), reason: value);
       }
     });
   }