Feat: add character card support

pngmeta/metareader_test.go

@@ -0,0 +1,33 @@
+package pngmeta
+
+import (
+	"fmt"
+	"testing"
+)
+
+func TestReadMeta(t *testing.T) {
+	cases := []struct {
+		Filename string
+	}{
+		{
+			Filename: "../sysprompts/default_Seraphina.png",
+		},
+		{
+			Filename: "../sysprompts/llama.png",
+		},
+	}
+	for i, tc := range cases {
+		t.Run(fmt.Sprintf("test_%d", i), func(t *testing.T) {
+			// Call the readMeta function
+			pembed, err := extractChar(tc.Filename)
+			if err != nil {
+				t.Errorf("Expected no error, but got %v", err)
+			}
+			v, err := pembed.GetDecodedValue()
+			if err != nil {
+				t.Errorf("Expected no error, but got %v\n", err)
+			}
+			fmt.Printf("%+v\n", v.Simplify("Adam"))
+		})
+	}
+}