AC-0023: fail-closed intent warn-store; C-case-only verify clear; clear_failed on partial error

Co-authored-by: genichin <4282227+genichin@users.noreply.github.com>

trex_core/application/intents.py

@@ -271,8 +271,10 @@ class IntentService:
                         return IntentDecision(
                             intent.intent_id, "rejected", None, "reconcile_warned"
                         )
-                except Exception:  # noqa: BLE001 - fail-open
-                    pass
+                except Exception:  # noqa: BLE001 - fail-closed: warn-store down → reject
+                    return IntentDecision(
+                        intent.intent_id, "rejected", None, "reconcile_warning_unavailable"
+                    )
 
             # dcy-021: a buy on a HOLDING slot is a position-sizing increase.
             is_increase = slot.status is SlotState.HOLDING
@@ -362,8 +364,10 @@ class IntentService:
                     return IntentDecision(
                         intent.intent_id, "rejected", None, "reconcile_warned"
                     )
-            except Exception:  # noqa: BLE001 - fail-open
-                pass
+            except Exception:  # noqa: BLE001 - fail-closed: warn-store down → reject
+                return IntentDecision(
+                    intent.intent_id, "rejected", None, "reconcile_warning_unavailable"
+                )
 
         if slot.status is not SlotState.HOLDING:
             return IntentDecision(