Add option to show full content in EventSection

Tapping the displayed value now toggles between truncated and full
content. A new showFullContent parameter controls the initial state.

https://claude.ai/code/session_012o3stPCRDek8YpPhEo8y6z

app/src/main/java/com/greenart7c3/nostrsigner/ui/components/EventSection.kt

@@ -13,6 +13,10 @@ import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
@@ -29,7 +33,9 @@ fun EventSection(
     displayValue: String,
     onCopy: () -> Unit,
     padding: Dp = 16.dp,
+    showFullContent: Boolean = false,
 ) {
+    var expanded by remember { mutableStateOf(showFullContent) }
     Row(
         modifier = Modifier
             .fillMaxWidth()
@@ -45,13 +51,15 @@ fun EventSection(
                 color = MaterialTheme.colorScheme.onSurface,
             )
             Text(
-                modifier = Modifier.padding(top = 12.dp),
+                modifier = Modifier
+                    .padding(top = 12.dp)
+                    .clickable { expanded = !expanded },
                 text = displayValue,
                 style = MaterialTheme.typography.bodyMedium.copy(
                     lineHeight = 24.sp,
                 ),
-                maxLines = 1,
-                overflow = TextOverflow.Ellipsis,
+                maxLines = if (expanded) Int.MAX_VALUE else 1,
+                overflow = if (expanded) TextOverflow.Clip else TextOverflow.Ellipsis,
                 fontWeight = FontWeight.Bold,
             )
         }