feat: config loading for models.yaml and api_keys.yaml

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

kischdle/llmux/tests/test_config.py

@@ -0,0 +1,56 @@
+from llmux.config import load_models_config, load_api_keys, PhysicalModel, VirtualModel
+
+
+def test_load_models_config_returns_physical_and_virtual():
+    physical, virtual = load_models_config()
+    assert isinstance(physical, dict)
+    assert isinstance(virtual, dict)
+    assert len(physical) == 9
+    assert len(virtual) == 16
+
+
+def test_physical_model_has_required_fields():
+    physical, _ = load_models_config()
+    qwen = physical["qwen3.5-9b-fp8"]
+    assert qwen.type == "llm"
+    assert qwen.backend == "transformers"
+    assert qwen.model_id == "lovedheart/Qwen3.5-9B-FP8"
+    assert qwen.estimated_vram_gb == 9
+    assert qwen.supports_vision is True
+    assert qwen.supports_tools is True
+
+
+def test_physical_model_llamacpp_has_gguf_fields():
+    physical, _ = load_models_config()
+    uncensored = physical["qwen3.5-9b-fp8-uncensored"]
+    assert uncensored.backend == "llamacpp"
+    assert uncensored.model_file == "Qwen3.5-9B-Uncensored-HauhauCS-Aggressive-Q8_0.gguf"
+    assert uncensored.mmproj_file == "mmproj-Qwen3.5-9B-Uncensored-HauhauCS-Aggressive-BF16.gguf"
+
+
+def test_virtual_model_maps_to_physical():
+    _, virtual = load_models_config()
+    thinking = virtual["Qwen3.5-9B-FP8-Thinking"]
+    assert thinking.physical == "qwen3.5-9b-fp8"
+    assert thinking.params == {"enable_thinking": True}
+
+
+def test_virtual_model_gpt_oss_has_system_prompt():
+    _, virtual = load_models_config()
+    low = virtual["GPT-OSS-20B-Low"]
+    assert low.physical == "gpt-oss-20b"
+    assert low.params == {"system_prompt_prefix": "Reasoning: low"}
+
+
+def test_virtual_model_without_params():
+    _, virtual = load_models_config()
+    ct = virtual["cohere-transcribe"]
+    assert ct.physical == "cohere-transcribe"
+    assert ct.params == {}
+
+
+def test_load_api_keys():
+    keys = load_api_keys()
+    assert len(keys) == 3
+    assert all(k.key.startswith("sk-llmux-") for k in keys)
+    assert {k.name for k in keys} == {"Open WebUI", "Remote Whisper clients", "OpenCode"}