修复：保护平台订单原始事实不被清理和覆盖

apps/backend/src/config/defaults.ts

@@ -24,12 +24,6 @@ export function createDefaultRuntimeConfig(projectRoot: string): RuntimeConfig {
     },
 
     retention: {
-      // 原始报文只保留追溯所需窗口，清理后保留订单/事件摘要。
-      rawPayloadDays: 180,
-      taskEventDays: 180,
-      webhookEventDays: 180,
-      auditLogDays: 365,
-      workOrderEventDays: 180,
       // 已处理的成本异常保留 60 天，之后搬进 cost_exceptions_archive；open 行不归档。
       costExceptionDays: 60,
     },

apps/backend/src/config/env-overrides.test.ts

@@ -96,10 +96,6 @@ function createRuntimeConfig(): RuntimeConfig {
       retentionDays: 30,
     },
     retention: {
-      rawPayloadDays: 180,
-      taskEventDays: 180,
-      webhookEventDays: 180,
-      auditLogDays: 365,
       costExceptionDays: 60,
     },
     database: {

apps/backend/src/config/env-overrides.ts

@@ -30,11 +30,6 @@ export const ENV_OVERRIDES: readonly EnvOverride[] = [
   integerEnv('LOG_RETENTION_DAYS', ['logging', 'retentionDays']),
   integerEnv('LOG_MAX_FILE_SIZE_MB', ['logging', 'maxFileSizeMb']),
   integerEnv('LOG_MAX_FILES', ['logging', 'maxFiles']),
-  integerEnv('RAW_PAYLOAD_RETENTION_DAYS', ['retention', 'rawPayloadDays']),
-  integerEnv('TASK_EVENT_RETENTION_DAYS', ['retention', 'taskEventDays']),
-  integerEnv('WEBHOOK_EVENT_RETENTION_DAYS', ['retention', 'webhookEventDays']),
-  integerEnv('AUDIT_LOG_RETENTION_DAYS', ['retention', 'auditLogDays']),
-  integerEnv('WORK_ORDER_EVENT_RETENTION_DAYS', ['retention', 'workOrderEventDays']),
   integerEnv('COST_EXCEPTION_RETENTION_DAYS', ['retention', 'costExceptionDays']),
   stringEnv('DATABASE_URL', ['database', 'url']),
   booleanEnv('DATABASE_SSL', ['database', 'ssl']),

apps/backend/src/config/runtime-validation.test.ts

@@ -160,10 +160,6 @@ function createRuntimeConfig(overrides: Record<string, unknown> = {}): RuntimeCo
         integrationLevel: 'warn',
       },
       retention: {
-        rawPayloadDays: 180,
-        taskEventDays: 180,
-        webhookEventDays: 180,
-        auditLogDays: 365,
         costExceptionDays: 60,
       },
       database: {

apps/backend/src/config/runtime-validation.ts

@@ -82,12 +82,6 @@ export function validateRuntimeConfig(
     max: 100,
   })
   if (config.retention) {
-    requireInteger(issues, 'retention.rawPayloadDays', config.retention.rawPayloadDays, { min: 1 })
-    requireInteger(issues, 'retention.taskEventDays', config.retention.taskEventDays, { min: 1 })
-    requireInteger(issues, 'retention.webhookEventDays', config.retention.webhookEventDays, {
-      min: 1,
-    })
-    requireInteger(issues, 'retention.auditLogDays', config.retention.auditLogDays, { min: 1 })
     requireInteger(issues, 'retention.costExceptionDays', config.retention.costExceptionDays, {
       min: 1,
     })