first successful run of photo llm (#11)

Reviewed-on: #11
Co-authored-by: Mathias Scheider <mathias2784@web.de>

test/test_llm_session_integration.py

@@ -0,0 +1,13 @@
+import pytest
+
+from photools3.llm_session import LlmSession
+
+
+@pytest.mark.skipif(
+    not LlmSession(system_prompt="").is_api_reachable(), reason="API not available"
+)
+def test_llm_session(llm_session, test_photo):
+    result = llm_session.call(
+        prompt="keywords for the attached picture", photos=[test_photo]
+    )
+    assert result