init: hgmj server initial commit

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

common/truthutil/truthutil_test.go

@@ -0,0 +1,38 @@
+package truthutil
+
+import "testing"
+
+func TestCheckURIAndNumberAllowsXiGreeting(t *testing.T) {
+	t.Parallel()
+
+	for _, content := range []string{
+		"嘻嘻",
+		"嘻嘻，我在这里",
+		"西西",
+	} {
+		content := content
+		t.Run(content, func(t *testing.T) {
+			t.Parallel()
+			if !checkURIAndNumber(content) {
+				t.Fatalf("checkURIAndNumber(%q) = false, want true", content)
+			}
+		})
+	}
+}
+
+func TestCheckURIAndNumberStillRejectsURLs(t *testing.T) {
+	t.Parallel()
+
+	for _, content := range []string{
+		"abc.com",
+		"abc点com",
+	} {
+		content := content
+		t.Run(content, func(t *testing.T) {
+			t.Parallel()
+			if checkURIAndNumber(content) {
+				t.Fatalf("checkURIAndNumber(%q) = true, want false", content)
+			}
+		})
+	}
+}