优化通讯录查询工具

local_plugins/chat_api/android/src/main/kotlin/com/yunqiinnovation/chat_api/SystemFunctionHandler.kt

@@ -87,17 +87,7 @@ class SystemFunctionHandler(private val context: Context? = null) {
             description = "获取用户通信录联系人列表",
             parameters = mapOf(
                 "type" to "object",
-                "properties" to mapOf(
-                    "limit" to mapOf(
-                        "type" to "integer",
-                        "description" to "返回联系人数量限制，默认20个",
-                        "default" to 20
-                    ),
-                    "search" to mapOf(
-                        "type" to "string",
-                        "description" to "搜索关键词，可选参数"
-                    )
-                ),
+                "properties" to emptyMap<String, Any>(),
                 "required" to emptyList<String>()
             ),
             handler = GetContactsListHandler(context)
@@ -1378,10 +1368,7 @@ private class GetContactsListHandler(private val context: Context?) : FunctionHa
         }
         
         return try {
-            val limit = (arguments["limit"] as? Number)?.toInt() ?: 20
-            val searchKeyword = arguments["search"] as? String
-            
-            val contacts = getContactsList(context, limit, searchKeyword)
+            val contacts = getContactsList(context)
             
             JSONObject().apply {
                 put("result", "成功获取联系人列表")
@@ -1406,7 +1393,7 @@ private class GetContactsListHandler(private val context: Context?) : FunctionHa
      * @param searchKeyword 搜索关键词
      * @return 联系人列表
      */
-    private fun getContactsList(context: Context, limit: Int, searchKeyword: String?): List<Map<String, String>> {
+    private fun getContactsList(context: Context): List<Map<String, String>> {
         val contacts = mutableListOf<Map<String, String>>()
         
         try {
@@ -1433,7 +1420,7 @@ private class GetContactsListHandler(private val context: Context?) : FunctionHa
                 val nameColumn = cursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME)
                 val hasPhoneColumn = cursor.getColumnIndex(ContactsContract.Contacts.HAS_PHONE_NUMBER)
                 
-                while (cursor.moveToNext() && contacts.size < limit) {
+                while (cursor.moveToNext()) {
                     val contactId = cursor.getString(idColumn)
                     val displayName = cursor.getString(nameColumn) ?: "未知联系人"
                     val hasPhoneNumber = cursor.getInt(hasPhoneColumn) > 0