rename: a2i -> GotMsg (user-facing name only, package unchanged)

- App display name: "GotMsg 有消息"
- HomeScreen brand: "GotMsg"
- Test push titles: "GotMsg 测试"
- Update notifications: "GotMsg 新版本"
- UpdateChecker User-Agent: "gotmsg-android"
- README title: "# GotMsg ·有消息"
- Package name com.a2i.forwarder kept for compatibility
- version 1.8.11 -> 1.9.0 (code 28 -> 29)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

app/src/main/java/com/a2i/forwarder/core/UpdateChecker.kt

@@ -108,7 +108,7 @@ class UpdateChecker(private val context: Context) {
         val req = Request.Builder()
             .url(api)
             .header("Accept", "application/json")
-            .header("User-Agent", "a2i-android")
+            .header("User-Agent", "gotmsg-android")
             .get()
             .build()
         return http.newCall(req).execute().use { res ->
@@ -123,7 +123,7 @@ class UpdateChecker(private val context: Context) {
     /** 发现新版后，自动通过所有已开启的推送通道通知用户 */
     private fun notifyNewVersion(prev: UpdateInfo?, info: UpdateInfo) {
         val s = app.settings
-        val title = "🆕 a2i 新版本 v${info.latestVersion}"
+        val title = "🆕 GotMsg 新版本 v${info.latestVersion}"
         val body = "发现 v${info.latestVersion}（当前 v${currentVersionName()}）\n${formatSize(info.apkSize)} · 点击更新\n\n${info.releaseNotes.take(300)}"
         val scope = CoroutineScope(SupervisorJob() + Dispatchers.IO)
 
@@ -185,7 +185,7 @@ class UpdateChecker(private val context: Context) {
                 val body = res.body ?: run { lastError.value = "空响应"; return@use null }
                 val total = body.contentLength()
                 val dir = context.getExternalFilesDir(null) ?: context.cacheDir
-                val target = File(dir, "a2i-${info.latestVersion}.apk")
+                val target = File(dir, "gotmsg-${info.latestVersion}.apk")
                 target.outputStream().use { sink ->
                     val input = body.byteStream()
                     val buf = ByteArray(8 * 1024)

app/src/main/java/com/a2i/forwarder/ui/screens/HomeScreen.kt

@@ -285,7 +285,7 @@ private fun HomeHero(
                 }
                 Spacer(Modifier.width(12.dp))
                 Column(Modifier.weight(1f)) {
-                    Text("a2i", style = MaterialTheme.typography.displaySmall, color = Color.White)
+                    Text("GotMsg", style = MaterialTheme.typography.displaySmall, color = Color.White)
                     Text("安卓通知多通道转发", style = MaterialTheme.typography.bodyMedium, color = Color.White.copy(alpha = 0.82f))
                 }
                 StatusBadge(

app/src/main/java/com/a2i/forwarder/ui/screens/SettingsScreen.kt

@@ -628,7 +628,7 @@ private fun BarkHelpDialog(onDismiss: () -> Unit) {
                 HelpStep("2", "打开 Bark，复制首页显示的推送地址，通常类似 $BARK_OFFICIAL_SERVER/你的Key。")
                 HelpStep("3", "回到 a2i，点击本区域底部的「添加」。服务器地址填 $BARK_OFFICIAL_SERVER，自建服务则填你的自建地址。")
                 HelpStep("4", "Device Key 填推送地址最后一段 Key，不要把完整 URL 都填进去。")
-                HelpStep("5", "保存后点服务器行里的发送按钮测试；iPhone 收到「a2i 测试」就说明 Bark 通道已通。")
+                HelpStep("5", "保存后点服务器行里的发送按钮测试；iPhone 收到「GotMsg 测试」就说明 Bark 通道已通。")
                 HelpStep("6", "最后回首页开启「通知转发」，并按提示授予系统通知监听权限。")
 
                 Text(
@@ -678,7 +678,7 @@ private fun NtfyHelpDialog(onDismiss: () -> Unit) {
                 HelpStep("2", "打开 ntfy，添加订阅。服务器通常填 $NTFY_OFFICIAL_SERVER；Topic 建议用一串不容易猜到的随机名字，例如 a2i_xxxxxxxx。")
                 HelpStep("3", "回到 a2i，点击本区域底部的「添加」。服务器和 Topic 要与接收端订阅完全一致。")
                 HelpStep("4", "Token 是可选项。只有你在 ntfy 账号或自建服务里把 topic 设成需要鉴权时，才填写 access token。")
-                HelpStep("5", "保存后点 topic 行里的发送按钮测试；接收端收到「a2i 测试」就说明 ntfy 通道已通。")
+                HelpStep("5", "保存后点 topic 行里的发送按钮测试；接收端收到「GotMsg 测试」就说明 ntfy 通道已通。")
                 HelpStep("6", "后续只要这一行左侧保持勾选，它就会参与转发；取消勾选就是停用这个 topic。")
 
                 Text(
@@ -730,7 +730,7 @@ private fun MeowHelpDialog(onDismiss: () -> Unit) {
                 HelpStep("3", "回到 a2i，点击本区域底部的「添加」。名称按你的鸿蒙设备填写，方便以后区分。")
                 HelpStep("4", "服务器地址可以填 Meow 给出的完整 API 地址；如果 Meow 只给了服务根地址，a2i 也会尝试常见的 /push 路径。")
                 HelpStep("5", "Device Key 填 Meow 给你的设备 Key 或 Token，不要填写鸿蒙手机锁屏密码、华为账号密码等敏感账号密码。")
-                HelpStep("6", "保存后点设备行里的发送按钮测试；鸿蒙手机收到「a2i 测试」就说明 Meow 通道已通。")
+                HelpStep("6", "保存后点设备行里的发送按钮测试；鸿蒙手机收到「GotMsg 测试」就说明 Meow 通道已通。")
                 HelpStep("7", "后续只要这一行左侧保持勾选，它就会参与转发；取消勾选就是停用这个鸿蒙设备。")
 
                 Text(
@@ -975,7 +975,7 @@ private fun EmailServerRow(
 
 private suspend fun testEmail(server: EmailServer): String {
     if (server.host.isBlank() || server.to.isBlank()) return "SMTP 主机或收件人未填"
-    val r = EmailSender.send(server.host, server.port, server.user, server.password, server.from, server.to, "a2i 测试", "电邮配置测试")
+    val r = EmailSender.send(server.host, server.port, server.user, server.password, server.from, server.to, "GotMsg 测试", "电邮配置测试")
     return if (r.isSuccess) "已发送，请查看邮箱" else "发送失败：${r.exceptionOrNull()?.message}"
 }
 
@@ -1076,20 +1076,20 @@ private fun ConfigDialogSkeleton(title: String, onDismiss: () -> Unit, onConfirm
 
 private suspend fun testPush(app: A2iApp, server: BarkServer): String {
     if (server.deviceKey.isBlank()) return "未填写 device key"
-    val msg = BarkMessage(deviceKey = server.deviceKey, title = "a2i 测试", body = "如果你在 iOS 看到这条推送，说明配置成功", level = "active")
+    val msg = BarkMessage(deviceKey = server.deviceKey, title = "GotMsg 测试", body = "如果你在 iOS 看到这条推送，说明配置成功", level = "active")
     val r = BarkClient(server).push(msg)
     return if (r.isSuccess) "已发送，请查看 iOS 端" else "发送失败：${r.exceptionOrNull()?.message}"
 }
 
 private suspend fun testNtfy(server: NtfyServer): String {
     if (server.topic.isBlank()) return "未填写 topic"
-    val r = NtfySender.send(server.server, server.topic, server.token, "a2i 测试", "如果你在 ntfy 看到这条推送，说明配置成功")
+    val r = NtfySender.send(server.server, server.topic, server.token, "GotMsg 测试", "如果你在 ntfy 看到这条推送，说明配置成功")
     return if (r.isSuccess) "已发送，请查看 ntfy 接收端" else "发送失败：${r.exceptionOrNull()?.message}"
 }
 
 private suspend fun testMeow(server: MeowServer): String {
     if (server.server.isBlank()) return "未填写服务器地址"
     if (server.deviceKey.isBlank()) return "未填写 Device Key"
-    val r = MeowSender.send(server.server, server.deviceKey, "a2i 测试", "如果你在鸿蒙 Meow 看到这条推送，说明配置成功")
+    val r = MeowSender.send(server.server, server.deviceKey, "GotMsg 测试", "如果你在鸿蒙 Meow 看到这条推送，说明配置成功")
     return if (r.isSuccess) "已发送，请查看鸿蒙 Meow" else "发送失败：${r.exceptionOrNull()?.message}"
 }

app/src/main/res/values/strings.xml

@@ -1,3 +1,3 @@
 <resources>
-    <string name="app_name">a2i</string>
+    <string name="app_name">GotMsg 有消息</string>
 </resources>