refactor(openclaw): SuggestedAction 改用頂部 import (避免 inline 三重巢狀)

IDE 對 inline "from src.models.ai import" 誤報(但運行正常)。
改為頂部 import 既滿足 IDE 也更 Pythonic。

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

apps/api/src/services/openclaw.py

@@ -33,6 +33,7 @@ from src.core.prompts import NEMOTRON_SYSTEM_PROMPT, OPENCLAW_SYSTEM_PROMPT
 from src.core.redis_client import get_redis
 from src.models.ai import (
     OpenClawDecision,
+    SuggestedAction,
 )
 from src.services.langfuse_client import langfuse_trace
 from src.services.model_registry import get_model_registry
@@ -1344,10 +1345,9 @@ Trace URL: {signoz_trace_url}
                     # 降級為安全調查動作,不執行破壞性操作
                     result.kubectl_command = f"kubectl get deploy -n {_k8s_ns}"
                     result.target_resource = "unknown(hallucinated)"
-                    # Pydantic enum 處理: 若不能直接賦 str 就跳過
+                    # Pydantic enum 處理 — SuggestedAction 已在檔頂 import (line 34)
                     try:
-                        from src.models.ai import SuggestedAction as _SA
-                        result.suggested_action = _SA.NO_ACTION
+                        result.suggested_action = SuggestedAction.NO_ACTION
                     except Exception:
                         pass
                     result.description = (