WIP: database class.

- 修正disk拼写
- 为测试项目添加dylib引用
- 修复无法打开数据库的问题
- 为Deepseek TUI更新Agents.md

src/Core.Tests/DatabaseTests.cs

@@ -12,7 +12,7 @@ public class DatabaseTests
     public void InitializeDatabase_ShouldCreateAudioFilesTable()
     {
         string dbName = NewDbName();
-        string dbPath = $"{dbName}.rdb";
+        string dbPath = $"{Path.Combine(PreferencesManager.GetDefaultDatabasePath(), dbName)}.rdb";
 
         try
         {
@@ -60,7 +60,7 @@ public class DatabaseTests
     public void InitializeDatabase_ShouldBeIdempotent()
     {
         string dbName = NewDbName();
-        string dbPath = $"{dbName}.rdb";
+        string dbPath = $"{Path.Combine(PreferencesManager.GetDefaultDatabasePath(), dbName)}.rdb";
 
         try
         {