fix: 修复启动时三个应用层报错问题

- MediaProjectionManager初始化提前到onCreate开头,避免多个return路径跳过初始化导致后续null
- InputController剪贴板访问添加SecurityException防护,非前台时安全降级而非崩溃
- HuaweiAuthorizationHandler剪贴板访问添加异常捕获,防止ClipboardService拒绝访问
- SocketIO连接错误区分瞬态错误(xhr poll/timeout)和持久错误,瞬态错误降级为WARN
- SocketIO connect方法添加URL格式验证和空值检查

app/src/main/java/com/hikoncont/manager/InputController.kt

@@ -23,6 +23,23 @@ class InputController(private val service: AccessibilityRemoteService) {
     private val context: Context = service
     private val clipboardManager = context.getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager
     
+    /**
+     * Safe clipboard write - checks if the service can access clipboard
+     * Android 10+ restricts clipboard access to foreground apps only
+     */
+    private fun safeSetClipboard(clipData: ClipData): Boolean {
+        return try {
+            clipboardManager.setPrimaryClip(clipData)
+            true
+        } catch (e: SecurityException) {
+            Log.w(TAG, "Clipboard access denied (app not in foreground): ${e.message}")
+            false
+        } catch (e: Exception) {
+            Log.w(TAG, "Clipboard operation failed: ${e.message}")
+            false
+        }
+    }
+    
     /**
      * 输入文本 - 智能输入策略
      */
@@ -118,11 +135,14 @@ class InputController(private val service: AccessibilityRemoteService) {
      */
     private fun tryClipboardPaste(text: String): Boolean {
         return try {
-            // 1. 将文本复制到剪贴板
+            // 1. Safe clipboard write
             val clipData = ClipData.newPlainText("remote_input", text)
-            clipboardManager.setPrimaryClip(clipData)
+            if (!safeSetClipboard(clipData)) {
+                Log.w(TAG, "Clipboard paste skipped: clipboard access denied")
+                return false
+            }
             
-            // 2. 模拟粘贴操作
+            // 2. Perform paste action
             val focusedNode = findFocusedInputNode()
             focusedNode?.let { node ->
                 val result = node.performAction(AccessibilityNodeInfo.ACTION_PASTE)
@@ -131,7 +151,7 @@ class InputController(private val service: AccessibilityRemoteService) {
             } ?: false
             
         } catch (e: Exception) {
-            Log.w(TAG, "剪贴板粘贴失败", e)
+            Log.w(TAG, "Clipboard paste failed", e)
             false
         }
     }
@@ -189,29 +209,30 @@ class InputController(private val service: AccessibilityRemoteService) {
         return try {
             val focusedNode = findFocusedInputNode()
             focusedNode?.let { node ->
-                // 获取当前文本
                 val currentText = node.text?.toString() ?: ""
-                // 追加新字符
                 val newText = currentText + char
                 
-                // 将新文本复制到剪贴板
+                // Safe clipboard write
                 val clipData = ClipData.newPlainText("remote_append", newText)
-                clipboardManager.setPrimaryClip(clipData)
+                if (!safeSetClipboard(clipData)) {
+                    Log.w(TAG, "Clipboard append skipped: clipboard access denied")
+                    node.recycle()
+                    return false
+                }
                 
-                // 先清空再粘贴
+                // Clear then paste
                 val clearBundle = Bundle().apply {
                     putCharSequence(AccessibilityNodeInfo.ACTION_ARGUMENT_SET_TEXT_CHARSEQUENCE, "")
                 }
                 node.performAction(AccessibilityNodeInfo.ACTION_SET_TEXT, clearBundle)
                 
-                // 粘贴新内容
                 val result = node.performAction(AccessibilityNodeInfo.ACTION_PASTE)
                 node.recycle()
                 result
             } ?: false
             
         } catch (e: Exception) {
-            Log.w(TAG, "剪贴板追加失败", e)
+            Log.w(TAG, "Clipboard append failed", e)
             false
         }
     }