AUTO-001: add automation approval workflow

Closes #21

tests/api/test_automations.py

@@ -0,0 +1,59 @@
+from pathlib import Path
+
+from fastapi.testclient import TestClient
+
+from app.automations.store import AutomationStore
+from app.main import app
+
+
+def _payload() -> dict[str, object]:
+    return {
+        "alias": "Licht bei Dunkelheit",
+        "description": "Schaltet das Flurlicht unter dem Helligkeitsgrenzwert ein.",
+        "trigger": {"entity_id": "sensor.hall_illuminance", "below": 10},
+        "action": {
+            "service": "light.turn_on",
+            "entity_id": "light.hall",
+            "data": {"brightness_pct": 40},
+        },
+    }
+
+
+def test_proposal_requires_explicit_approval_before_yaml(tmp_path: Path) -> None:
+    with TestClient(app) as client:
+        app.state.automation_store = AutomationStore(tmp_path)
+        created = client.post("/v1/automations/proposals", json=_payload())
+        proposal_id = created.json()["proposal_id"]
+        blocked = client.get(f"/v1/automations/proposals/{proposal_id}/yaml")
+        approved = client.post(
+            f"/v1/automations/proposals/{proposal_id}/approve",
+            json={"expected_revision": 1},
+        )
+        exported = client.get(f"/v1/automations/proposals/{proposal_id}/yaml")
+    assert created.status_code == 201
+    assert created.json()["status"] == "draft"
+    assert blocked.status_code == 409
+    assert approved.json()["status"] == "approved"
+    assert "service: light.turn_on" in exported.text
+
+
+def test_proposal_rejects_unsafe_service_domain(tmp_path: Path) -> None:
+    payload = _payload()
+    payload["action"] = {
+        "service": "shell_command.run",
+        "entity_id": "light.hall",
+        "data": {},
+    }
+    with TestClient(app) as client:
+        app.state.automation_store = AutomationStore(tmp_path)
+        response = client.post("/v1/automations/proposals", json=payload)
+    assert response.status_code == 422
+
+
+def test_proposal_requires_numeric_threshold(tmp_path: Path) -> None:
+    payload = _payload()
+    payload["trigger"] = {"entity_id": "sensor.hall_illuminance"}
+    with TestClient(app) as client:
+        app.state.automation_store = AutomationStore(tmp_path)
+        response = client.post("/v1/automations/proposals", json=payload)
+    assert response.status_code == 422

tests/automations/test_store.py

@@ -0,0 +1,53 @@
+from pathlib import Path
+
+import pytest
+
+from app.automations.models import (
+    AutomationProposal,
+    NumericStateTrigger,
+    ProposalStatus,
+    ServiceAction,
+)
+from app.automations.store import AutomationStore
+
+
+def proposal() -> AutomationProposal:
+    return AutomationProposal(
+        alias="Wohnzimmer bei Kälte heizen",
+        description="Aktiviert den Heizmodus unter 18 Grad.",
+        trigger=NumericStateTrigger(entity_id="sensor.living_room_temperature", below=18.0),
+        action=ServiceAction(
+            service="climate.set_temperature",
+            entity_id="climate.living_room",
+            data={"temperature": 21.0},
+        ),
+    )
+
+
+def test_store_persists_approval_and_exports_yaml(tmp_path: Path) -> None:
+    store = AutomationStore(tmp_path)
+    created = store.create(proposal())
+    approved = store.decide(created.proposal_id, ProposalStatus.APPROVED, 1)
+    yaml = AutomationStore(tmp_path).export_yaml(created.proposal_id)
+    assert approved.status is ProposalStatus.APPROVED
+    assert approved.revision == 2
+    assert "platform: numeric_state" in yaml
+    assert "service: climate.set_temperature" in yaml
+    assert "temperature: 21.0" in yaml
+
+
+def test_store_requires_approval_and_current_revision(tmp_path: Path) -> None:
+    store = AutomationStore(tmp_path)
+    created = store.create(proposal())
+    with pytest.raises(ValueError, match="freigegebene"):
+        store.export_yaml(created.proposal_id)
+    with pytest.raises(ValueError, match="Revision"):
+        store.decide(created.proposal_id, ProposalStatus.APPROVED, 2)
+
+
+def test_store_allows_only_one_decision(tmp_path: Path) -> None:
+    store = AutomationStore(tmp_path)
+    created = store.create(proposal())
+    store.decide(created.proposal_id, ProposalStatus.REJECTED, 1)
+    with pytest.raises(ValueError, match="bereits entschieden"):
+        store.decide(created.proposal_id, ProposalStatus.APPROVED, 2)

tests/test_config.py

@@ -9,10 +9,12 @@ def test_load_settings_reads_documented_environment(monkeypatch: MonkeyPatch) ->
     monkeypatch.setenv("SILLYHOME_HA_URL", "http://ha.local:8123")
     monkeypatch.setenv("SILLYHOME_HA_TOKEN", "secret")
     monkeypatch.setenv("SILLYHOME_MODEL_STORE", "/tmp/models")
+    monkeypatch.setenv("SILLYHOME_AUTOMATION_STORE", "/tmp/automations")
 
     settings = load_settings()
 
     assert settings.ha_url == "http://ha.local:8123"
     assert settings.ha_token == "secret"
     assert settings.model_store == "/tmp/models"
+    assert settings.automation_store == "/tmp/automations"
     assert settings.ha_configured