assertEquals(ChatIntent.UNCLEAR, ChatIntent.fromValue(""));
        assertEquals(ChatIntent.UNCLEAR, ChatIntent.fromValue("   "));
    }

    @Test
    public void test_fromValue_unknown() {
        // Defaults to UNCLEAR for unknown values
        assertEquals(ChatIntent.UNCLEAR, ChatIntent.fromValue("unknown"));
        assertEquals(ChatIntent.UNCLEAR, ChatIntent.fromValue("invalid"));