unify production app configuration and ML routes

tests/test_config.py

@@ -0,0 +1,16 @@
+from __future__ import annotations
+
+from app.config import load_settings
+
+
+def test_load_settings_reads_documented_environment(monkeypatch) -> None:
+    monkeypatch.setenv("SILLYHOME_HA_URL", "http://ha.local:8123")
+    monkeypatch.setenv("SILLYHOME_HA_TOKEN", "secret")
+    monkeypatch.setenv("SILLYHOME_MODEL_STORE", "/tmp/models")
+
+    settings = load_settings()
+
+    assert settings.ha_url == "http://ha.local:8123"
+    assert settings.ha_token == "secret"
+    assert settings.model_store == "/tmp/models"
+    assert settings.ha_configured