chore: 移除 reminderLog 方法，仅保留 agentLog 路径修复

Sources/App/AppDelegate.swift

@@ -470,21 +470,6 @@ final class AppDelegate: NSObject, NSApplicationDelegate, NSSpeechSynthesizerDel
         }
     }
 
-    /// Reminder 专用文件日志，写入 ~/Library/Logs/VoiceInput/reminder.log
-    private func reminderLog(_ msg: String) {
-        let logPath = logDir + "/reminder.log"
-        let ts = ISO8601DateFormatter().string(from: Date())
-        let line = "[\(ts)] \(msg)\n"
-        if let handle = FileHandle(forWritingAtPath: logPath) {
-            handle.seekToEndOfFile()
-            handle.write(line.data(using: .utf8)!)
-            handle.closeFile()
-        } else {
-            // 文件不存在时创建
-            try? line.write(toFile: logPath, atomically: true, encoding: .utf8)
-        }
-    }
-
     private func showAgentNotch() {
         showAgentNotchInternal(isTextInput: false)
     }