fix

pkg/agent/memory_test.go

@@ -0,0 +1,38 @@
+package agent
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestTruncateMemoryTextRuneSafe(t *testing.T) {
+	in := "你好世界这是一个测试"
+	out := truncateMemoryText(in, 6)
+	if strings.Contains(out, "<22>") {
+		t.Fatalf("expected rune-safe truncation, got invalid rune replacement: %q", out)
+	}
+}
+
+func TestCompressMemoryForPromptPrefersStructuredLines(t *testing.T) {
+	in := `
+# Long-term Memory
+
+plain paragraph line 1
+plain paragraph line 2
+
+- bullet one
+- bullet two
+
+another paragraph
+`
+	out := compressMemoryForPrompt(in, 4, 200)
+	if !strings.Contains(out, "# Long-term Memory") {
+		t.Fatalf("expected heading in digest, got: %q", out)
+	}
+	if !strings.Contains(out, "- bullet one") {
+		t.Fatalf("expected bullet in digest, got: %q", out)
+	}
+	if strings.Contains(out, "plain paragraph line 2") {
+		t.Fatalf("expected paragraph compression to keep first line only, got: %q", out)
+	}
+}