feat(strategy): expose configurable nick contract

app/services/strategy_set_service.py

@@ -46,26 +46,49 @@ class StrategySetService:
         return self.get(strategy_set_id, active_only=True)
 
     def create(self, payload: CreateStrategySetRequest) -> StrategySet:
-        create_strategy = cast(
-            Callable[..., StrategySet] | None,
-            getattr(self._repository, "create_strategy_set", None),
-        )
-        if create_strategy is not None:
-            strategy = create_strategy(payload.name, payload.config, status=payload.status)
-        else:
-            strategy = self._repository.get_or_create_strategy_set(payload.name, payload.config)
-        if payload.status != strategy.status:
-            strategy = self.update(
-                strategy.id,
-                UpdateStrategySetRequest(status=payload.status),
+        try:
+            create_strategy = cast(
+                Callable[..., StrategySet] | None,
+                getattr(self._repository, "create_strategy_set", None),
             )
-        return strategy
+            if create_strategy is not None:
+                strategy = create_strategy(
+                    payload.name,
+                    payload.config,
+                    nick=payload.nick,
+                    status=payload.status,
+                )
+            else:
+                strategy = self._repository.get_or_create_strategy_set(payload.name, payload.config)
+            if payload.nick is not None and payload.nick != strategy.nick:
+                strategy = self.update(
+                    strategy.id,
+                    UpdateStrategySetRequest(nick=payload.nick),
+                )
+            if payload.status != strategy.status:
+                strategy = self.update(
+                    strategy.id,
+                    UpdateStrategySetRequest(status=payload.status),
+                )
+            return strategy
+        except StrategyConflictError:
+            raise
+        except ValueError as exc:
+            raise StrategyConflictError(str(exc)) from exc
 
     def update(self, strategy_set_id: str, payload: UpdateStrategySetRequest) -> StrategySet:
         try:
+            if payload.nick is None:
+                return self._repository.update_strategy_set(
+                    strategy_set_id,
+                    name=payload.name,
+                    config=payload.config,
+                    status=payload.status,
+                )
             return self._repository.update_strategy_set(
                 strategy_set_id,
                 name=payload.name,
+                nick=payload.nick,
                 config=payload.config,
                 status=payload.status,
             )