重构：硬切履约路由唯一真源

apps/backend/scripts/reclassify-post-cutover.ts

@@ -32,23 +32,25 @@ async function loadCandidates(limit: number): Promise<Candidate[]> {
       FROM order_items oi
       JOIN orders o ON o.id = oi.order_id
       JOIN LATERAL (
-        SELECT c.channel
-        FROM internal_sku_channels c
-        WHERE c.enabled
-          AND c.channel IN ('affiliate_dash', 'manual', 'third_party_voucher')
-          AND btrim(c.internal_sku) = resolve_internal_sku(
+        SELECT route.channel
+        FROM sku_channel_routes route
+        JOIN internal_skus sku ON sku.id = route.internal_sku_id
+        WHERE route.enabled
+          AND route.route_role = 'primary'
+          AND route.channel IN ('affiliate_dash', 'work_order', 'manual', 'third_party_voucher')
+          AND sku.internal_sku_key = resolve_internal_sku(
             oi.manual_sku_key, oi.sku_name, oi.sku_code
           )
         ORDER BY
-          c.priority ASC,
-          CASE c.channel
+          route.priority ASC,
+          CASE route.channel
             WHEN 'affiliate_dash' THEN 1
             WHEN 'work_order' THEN 2
             WHEN 'third_party_voucher' THEN 3
             WHEN 'manual' THEN 4
             ELSE 9
           END,
-          c.channel ASC
+          route.channel ASC
         LIMIT 1
       ) cap ON TRUE
       WHERE oi.fulfillment_status = 'assigned'