v0.9.1: larger send button, input focus on terminal

- Send button increased: 36dp → 48dp, larger ↵ icon
- Terminal input field now gets auto focus on connect
- Button uses accentBlue theme for better visibility

app/src/main/java/ai/openclaw/app/ui/tergent/SshTerminalScreen.kt

@@ -21,6 +21,8 @@ import androidx.compose.material.icons.outlined.Lock
 import androidx.compose.material3.*
 import androidx.compose.runtime.*
 import androidx.compose.ui.Alignment
+import androidx.compose.ui.focus.FocusRequester
+import androidx.compose.ui.focus.focusRequester
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.SolidColor
@@ -444,7 +446,7 @@ fun SshTerminalScreen(
                     }
                     Row(horizontalArrangement = Arrangement.spacedBy(2.dp)) {
                         if (state.connected) {
-                            // 复制按钮
+                            // 复制按钮 — 放大触摸区域
                             IconButton(onClick = {
                                 val clip = context.getSystemService(android.content.ClipboardManager::class.java)
                                 val text = state.lines.joinToString("\n")
@@ -589,6 +591,8 @@ fun SshTerminalScreen(
                             fontFamily = FontFamily.Monospace,
                             fontSize = 13.sp
                         )
+                        val focusRequester = remember { FocusRequester() }
+                        LaunchedEffect(Unit) { focusRequester.requestFocus() }
                         Box(modifier = Modifier.weight(1f)) {
                             BasicTextField(
                                 value = input,
@@ -599,7 +603,7 @@ fun SshTerminalScreen(
                                     fontFamily = FontFamily.Monospace
                                 ),
                                 cursorBrush = SolidColor(accentBlue),
-                                modifier = Modifier.fillMaxWidth(),
+                                modifier = Modifier.fillMaxWidth().focusRequester(focusRequester),
                                 decorationBox = { innerTextField ->
                                     if (input.text.isEmpty()) {
                                         Text(
@@ -613,7 +617,8 @@ fun SshTerminalScreen(
                                 }
                             )
                         }
-                        IconButton(
+                        // 发送按钮 — 放大
+                        Button(
                             onClick = {
                                 if (input.text.isNotBlank()) {
                                     coroutineScope.launch {
@@ -622,9 +627,15 @@ fun SshTerminalScreen(
                                     }
                                 }
                             },
-                            modifier = Modifier.size(36.dp)
+                            modifier = Modifier.size(48.dp),
+                            colors = ButtonDefaults.buttonColors(
+                                containerColor = accentBlue.copy(alpha = 0.15f),
+                                contentColor = accentBlue
+                            ),
+                            shape = RoundedCornerShape(8.dp),
+                            contentPadding = PaddingValues(0.dp)
                         ) {
-                            Text("↵", color = accentBlue, fontSize = 16.sp)
+                            Text("↵", fontSize = 20.sp, fontWeight = FontWeight.Bold)
                         }
                     }
                 }