feat(fulfillment): 渠道联动与管道兜底

- 人工配置保存/删除同步渠道规则，人工确认写 channel/status
- 按 SKU 指定渠道默认同时落规则
- 管道补充：载体缺失、人工成本未记录、事实与总账按水位追赶

apps/backend/src/services/cost-center/cost-exception-service.ts

@@ -18,6 +18,8 @@ export const COST_EXCEPTION_REASONS = [
   'product_mapping_missing',
   'cost_missing',
   'manual_config_missing',
+  'manual_cost_missing',
+  'carrier_missing',
 ] as const
 
 export type CostExceptionReason = (typeof COST_EXCEPTION_REASONS)[number]

apps/backend/src/services/cost-center/manual-fulfillment-config-service.ts

@@ -127,7 +127,7 @@ export async function scanManualSkus(options: ScanOptions) {
           oi.manual_sku_key AS sku_key
         FROM order_items oi
         JOIN orders o ON o.id = oi.order_id
-        WHERE oi.fulfillment_mode = 'manual'
+        WHERE oi.fulfillment_status = 'assigned' AND oi.fulfillment_channel = 'manual'
           AND (COALESCE(o.paid_at, o.created_at) AT TIME ZONE 'Asia/Shanghai')::date
               BETWEEN $1::date AND $2::date
       ),
@@ -240,7 +240,7 @@ export async function listManualSkus(input: Record<string, unknown> = {}) {
     conditions.push(`EXISTS (
       SELECT 1 FROM order_items oi
       JOIN orders o ON o.id = oi.order_id
-      WHERE oi.fulfillment_mode = 'manual'
+      WHERE oi.fulfillment_status = 'assigned' AND oi.fulfillment_channel = 'manual'
         AND o.provider = $${params.length}
         AND oi.manual_sku_key = r.sku_key
     )`)
@@ -378,6 +378,9 @@ export async function saveManualFulfillmentConfig(payload: JsonObject) {
 
   const config = requiredRow(result.rows[0], '保存人工履约配置失败')
   await syncRegistryConfigId(config.sku_key, config.id)
+  // 同步渠道规则：人工配置就是「这个内部 SKU 走人工渠道」的唯一声明，
+  // 少了这一步，新配的 SKU 会一直停在待分类。
+  await syncManualChannelRule(config)
   // 配置保存后立刻回填该 SKU 最近 30 天的订单项，避免必须再点一次「重新匹配」。
   // 历史更早的订单项不自动回填（历史人工成本不补录）；需要时再显式点「重新匹配」。
   const today = formatShanghaiDate(new Date())
@@ -403,6 +406,7 @@ export async function deleteManualFulfillmentConfig(skuKey: string) {
     `DELETE FROM manual_fulfillment_configs WHERE sku_key = $1 RETURNING id`,
     [key],
   )
+  await query(`DELETE FROM sku_channel_rules WHERE source = 'manual' AND match_key = $1`, [key])
   await syncRegistryConfigId(key, null)
   return { skuKey: key, deleted: deleted.rowCount || 0 }
 }
@@ -431,7 +435,7 @@ export async function rematchManualFulfillments(input: Record<string, unknown> =
         JOIN orders o ON o.id = oi.order_id
         JOIN manual_fulfillment_configs cfg
           ON cfg.sku_key = oi.manual_sku_key
-        WHERE oi.fulfillment_mode = 'manual'
+        WHERE oi.fulfillment_status = 'assigned' AND oi.fulfillment_channel = 'manual'
           AND cfg.enabled = TRUE
           AND ($1 = '' OR cfg.sku_key = $1)
           AND ($2 = FALSE OR oi.fulfillment_config_id IS NULL)
@@ -699,3 +703,36 @@ function requiredRow<T>(row: T | undefined, message: string): T {
   }
   return row
 }
+
+/**
+ * 人工配置 → 渠道规则（内部 SKU 精确匹配）。
+ *
+ * 幂等：按唯一键 (provider, shop, match_key_type, match_key, channel) upsert。
+ */
+async function syncManualChannelRule(config: {
+  id: number
+  sku_key: string
+  enabled: boolean
+  note: string
+}): Promise<void> {
+  const skuKey = String(config.sku_key || '').trim()
+  if (!skuKey) return
+
+  await query(
+    `
+      INSERT INTO sku_channel_rules (
+        provider, shop_id, match_key_type, match_key, channel, priority,
+        source, source_ref_id, enabled, note, created_at, updated_at
+      )
+      VALUES ('', '', 'internal_sku', $1, 'manual', 70, 'manual', $2, $3, $4, NOW(), NOW())
+      ON CONFLICT (provider, shop_id, match_key_type, match_key, channel)
+      DO UPDATE SET
+        enabled = EXCLUDED.enabled,
+        source = 'manual',
+        source_ref_id = EXCLUDED.source_ref_id,
+        note = EXCLUDED.note,
+        updated_at = NOW()
+    `,
+    [skuKey, config.id, config.enabled !== false, String(config.note || '').slice(0, 200)],
+  )
+}