chore: checkpoint 第一版

internal/orchestration/native_subtitle_test.go

@@ -0,0 +1,15 @@
+package orchestration
+
+import "testing"
+
+func TestNativeSubtitleSpeakerRequiresExplicitMatch(t *testing.T) {
+	for _, tc := range []struct{ uid, want string }{{"device", "subject"}, {"bot", "agent"}, {"unknown", ""}, {"", ""}} {
+		got, err := nativeSubtitleSpeaker(tc.uid, "device", "device", "bot", "bot")
+		if got != tc.want || (err != nil) != (tc.want == "") {
+			t.Fatalf("%q => %q %v", tc.uid, got, err)
+		}
+	}
+	if _, err := nativeSubtitleSpeaker("same", "same", "same", "same", "same"); err == nil {
+		t.Fatal("ambiguous speaker accepted")
+	}
+}