reimplement agent,provider and add file history

main.go

@@ -2,8 +2,15 @@ package main
 
 import (
 	"github.com/kujtimiihoxha/termai/cmd"
+	"github.com/kujtimiihoxha/termai/internal/logging"
 )
 
 func main() {
+	// Set up panic recovery for the main function
+	defer logging.RecoverPanic("main", func() {
+		// Perform any necessary cleanup before exit
+		logging.ErrorPersist("Application terminated due to unhandled panic")
+	})
+	
 	cmd.Execute()
 }