feat(platform): add alert policy escalation

vehicle-data-platform/apps/api/internal/platform/service.go

@@ -116,9 +116,30 @@ var qualityAlertRuleTemplates = []QualityAlertRule{
 }
 
 var qualityNotificationPolicies = []QualityNotificationPolicy{
-	{Name: "P0 实时中断", Target: "接入运维 + 业务责任人", Channel: "站内告警 / 邮件 / 企业微信", Condition: "无来源、VIN 缺失、存储不可写"},
-	{Name: "P1 数据质量", Target: "协议解析 + 数据治理", Channel: "站内告警 / 每日汇总邮件", Condition: "字段缺失、链路间断、容量风险"},
-	{Name: "P2 趋势关注", Target: "数智中心", Channel: "周报 / 趋势看板", Condition: "单源车辆、档案缺项、来源覆盖下降"},
+	{
+		Name:               "P0 实时中断",
+		Target:             "接入运维 + 业务责任人",
+		Channel:            "站内告警 / 邮件 / 企业微信",
+		Condition:          "无来源、VIN 缺失、存储不可写",
+		EscalationMinutes:  30,
+		AcceptanceCriteria: "来源恢复并持续 10 分钟，车辆服务可查到实时与历史证据",
+	},
+	{
+		Name:               "P1 数据质量",
+		Target:             "协议解析 + 数据治理",
+		Channel:            "站内告警 / 每日汇总邮件",
+		Condition:          "字段缺失、链路间断、容量风险",
+		EscalationMinutes:  120,
+		AcceptanceCriteria: "核心字段恢复解析，影响车辆可通过 RAW 与历史证据复核",
+	},
+	{
+		Name:               "P2 趋势关注",
+		Target:             "数智中心",
+		Channel:            "周报 / 趋势看板",
+		Condition:          "单源车辆、档案缺项、来源覆盖下降",
+		EscalationMinutes:  1440,
+		AcceptanceCriteria: "趋势原因已归档，责任人和后续治理动作明确",
+	},
 }
 
 var qualityIssuePriorityWeight = map[string]int{