fix: update max_tokens test to match config value (8192)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

tests/test_settings.py

@@ -26,7 +26,7 @@ class TestSettings:
 
     def test_max_tokens_property(self):
         from config.settings import settings
-        assert settings.max_tokens == 4096
+        assert settings.max_tokens == 8192
 
     def test_temperature_property(self):
         from config.settings import settings