fix(a11y): label ExtendedFloatingActionButtons for screen readers

CHANGELOG.md

@@ -14,6 +14,16 @@ uses semantic versioning (`MAJOR.MINOR.PATCH`).
   that matters when your authenticator is lost or on a replaced phone;
   before, the field only accepted 6 digits and locked those users out.
 
+- **Action buttons are readable by screen readers.** The home "Switch"
+  button and the New poll / New reminder / New invite buttons exposed no
+  label to accessibility services, so TalkBack users could not find or
+  activate them. They now announce their action.
+
+- **Watch data screens no longer fail to load.** The Wear OS app read
+  network responses on the wrong thread, so member, front and history
+  screens would show "Failed to load" (reliably on large responses,
+  intermittently at sign-in). Responses are now read off the main thread.
+
 ## [1.2.1] - 2026-07-04
 
 ### Added

sheaf/app/src/main/java/systems/lupine/sheaf/ui/home/HomeScreen.kt

@@ -21,6 +21,9 @@ import androidx.compose.material3.pulltorefresh.PullToRefreshBox
 import androidx.compose.runtime.*
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.testTag
+import androidx.compose.ui.semantics.contentDescription
+import androidx.compose.ui.semantics.semantics
 import androidx.compose.ui.text.SpanStyle
 import androidx.compose.ui.text.buildAnnotatedString
 import androidx.compose.ui.text.style.TextOverflow
@@ -111,6 +114,14 @@ fun HomeScreen(
                 onClick = { viewModel.openSwitchSheet() },
                 icon = { Icon(Icons.Outlined.SwitchAccount, contentDescription = null) },
                 text = { Text("Switch") },
+                // The FAB's label lives in the text slot, which Material3 wraps in
+                // an AnimatedVisibility for the expand/collapse animation; that can
+                // drop the text's semantics and leave the merged node unlabeled (and
+                // effectively invisible to TalkBack / uiautomator). Set the label on
+                // the FAB itself so it never depends on the animated child.
+                modifier = Modifier
+                    .testTag("home_switch_fab")
+                    .semantics { contentDescription = "Switch" },
             )
         },
         // Quick-switch chip row pinned above the bottom navigation. Sits

sheaf/app/src/main/java/systems/lupine/sheaf/ui/notifications/ChannelsYouOwnScreen.kt

@@ -43,6 +43,9 @@ import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.platform.testTag
+import androidx.compose.ui.semantics.contentDescription
+import androidx.compose.ui.semantics.semantics
 import androidx.compose.ui.unit.dp
 import androidx.hilt.navigation.compose.hiltViewModel
 import systems.lupine.sheaf.data.model.NotificationChannelRead
@@ -77,6 +80,11 @@ fun ChannelsYouOwnScreen(
                 onClick = onCreateNew,
                 icon = { Icon(Icons.Outlined.Add, contentDescription = null) },
                 text = { Text("New invite") },
+                // Label the FAB directly; the text slot's semantics can be dropped
+                // by Material3's expand/collapse AnimatedVisibility. See HomeScreen.
+                modifier = Modifier
+                    .testTag("channels_new_fab")
+                    .semantics { contentDescription = "New invite" },
             )
         },
     ) { padding ->

sheaf/app/src/main/java/systems/lupine/sheaf/ui/notifications/reminders/RemindersScreen.kt

@@ -43,6 +43,9 @@ import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.platform.testTag
+import androidx.compose.ui.semantics.contentDescription
+import androidx.compose.ui.semantics.semantics
 import androidx.compose.ui.unit.dp
 import androidx.hilt.navigation.compose.hiltViewModel
 import systems.lupine.sheaf.data.model.ReminderRead
@@ -77,6 +80,11 @@ fun RemindersScreen(
                 onClick = onCreateNew,
                 icon = { Icon(Icons.Outlined.Add, contentDescription = null) },
                 text = { Text("New reminder") },
+                // Label the FAB directly; the text slot's semantics can be dropped
+                // by Material3's expand/collapse AnimatedVisibility. See HomeScreen.
+                modifier = Modifier
+                    .testTag("reminders_new_fab")
+                    .semantics { contentDescription = "New reminder" },
             )
         },
     ) { padding ->

sheaf/app/src/main/java/systems/lupine/sheaf/ui/polls/PollsScreen.kt

@@ -31,6 +31,9 @@ import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.testTag
+import androidx.compose.ui.semantics.contentDescription
+import androidx.compose.ui.semantics.semantics
 import androidx.compose.ui.unit.dp
 import androidx.hilt.navigation.compose.hiltViewModel
 import systems.lupine.sheaf.data.model.PollRead
@@ -59,6 +62,11 @@ fun PollsScreen(
                 onClick = onCreateNew,
                 icon = { Icon(Icons.Outlined.Add, contentDescription = null) },
                 text = { Text("New poll") },
+                // Label the FAB directly; the text slot's semantics can be dropped
+                // by Material3's expand/collapse AnimatedVisibility. See HomeScreen.
+                modifier = Modifier
+                    .testTag("polls_new_fab")
+                    .semantics { contentDescription = "New poll" },
             )
         },
     ) { padding ->