fix: load jpeg image

internal/version/VERSION

@@ -1 +1 @@
-v5.0.0-beta-2503201802
+v5.0.0-beta-2503202039

uixt/ai/planner.go

@@ -8,6 +8,7 @@ import (
 	"image"
 	"image/color"
 	"image/draw"
+	_ "image/jpeg"
 	"image/png"
 	"math"
 	"os"

uixt/ai/planner_test.go

@@ -12,7 +12,7 @@ import (
 )
 
 func TestVLMPlanning(t *testing.T) {
-	imageBase64, size, err := loadImage("testdata/llk_1.png")
+	imageBase64, size, err := loadImage("testdata/llk_3.png")
 	require.NoError(t, err)
 
 	userInstruction := `连连看是一款经典的益智消除类小游戏，通常以图案或图标为主要元素。以下是连连看的基本规则说明：