fix(api): reconcile completed stuck incidents

apps/api/src/repositories/incident_repository.py

@@ -19,7 +19,12 @@ from sqlalchemy import select
 
 from src.db.base import get_db_context
 from src.db.models import IncidentRecord
-from src.models.incident import Incident, IncidentFrequencyStats, IncidentStatus, Severity
+from src.models.incident import (
+    Incident,
+    IncidentFrequencyStats,
+    IncidentStatus,
+    Severity,
+)
 from src.repositories.interfaces import IIncidentRepository
 
 logger = structlog.get_logger(__name__)
@@ -41,8 +46,8 @@ def _record_to_incident(record: IncidentRecord) -> Incident:
 
     return Incident(
         incident_id=record.incident_id,
-        status=IncidentStatus(record.status),
-        severity=Severity(record.severity),
+        status=IncidentStatus(_normalize_status(record.status)),
+        severity=Severity(_normalize_severity(record.severity)),
         signals=record.signals or [],
         affected_services=record.affected_services or [],
         proposal_ids=record.proposal_ids or [],
@@ -93,6 +98,36 @@ def _incident_to_record_data(incident: Incident) -> dict[str, Any]:
     }
 
 
+def _normalize_status(value: str | IncidentStatus) -> str:
+    if isinstance(value, IncidentStatus):
+        return value.value
+    raw = str(value)
+    if raw in IncidentStatus.__members__:
+        return IncidentStatus[raw].value
+    normalized = raw.strip().lower()
+    if normalized == "open":
+        return IncidentStatus.INVESTIGATING.value
+    return normalized
+
+
+def _normalize_severity(value: str | Severity) -> str:
+    if isinstance(value, Severity):
+        return value.value
+    raw = str(value)
+    if raw in Severity.__members__:
+        return Severity[raw].value
+    legacy_map = {
+        "critical": Severity.P0.value,
+        "high": Severity.P1.value,
+        "warning": Severity.P2.value,
+        "medium": Severity.P2.value,
+        "info": Severity.P3.value,
+        "low": Severity.P3.value,
+        "none": Severity.P3.value,
+    }
+    return legacy_map.get(raw.strip().lower(), raw)
+
+
 # =============================================================================
 # IncidentDBRepository
 # =============================================================================
@@ -136,8 +171,8 @@ class IncidentDBRepository(IIncidentRepository):
     async def get_active(self) -> list[Incident]:
         """取得所有活躍的 Incident"""
         active_statuses = [
-            IncidentStatus.INVESTIGATING.value,
-            IncidentStatus.MITIGATING.value,
+            IncidentStatus.INVESTIGATING,
+            IncidentStatus.MITIGATING,
         ]
         async with get_db_context() as db:
             result = await db.execute(