CONTROL-001: add safe HA automation handoff

app/ha/client.py

@@ -107,6 +107,18 @@ class HaClient:
             )
         return payload
 
+    def get_automation_config(self, automation_id: str) -> dict[str, object]:
+        if not automation_id or len(automation_id) > 120:
+            raise ValueError("Ungültige Automation-ID.")
+        payload = self._get_json(
+            f"/api/config/automation/config/{quote(automation_id, safe='')}"
+        )
+        if not isinstance(payload, dict):
+            raise HaUnexpectedPayloadError(
+                "Automation-Konfiguration hat ein unerwartetes Format."
+            )
+        return payload
+
     def call_service(
         self,
         domain: str,