fix(fulfillment): 修复自动发货任务上下文并发覆盖

apps/backend/src/db/migrations/127_repair_affiliate_dash_task_context.sql

@@ -0,0 +1,40 @@
+-- 127_repair_affiliate_dash_task_context.sql
+--
+-- 修复电子凭证绑定并发覆盖任务上下文的问题：
+-- affiliate_dash 建单事件已经记录了 orderNo/clientOrderNo，但任务 context_json
+-- 随后被旧 TaskRow 整段覆盖为空。回调按这两个键查任务时会 404。
+-- 只补缺失键，不覆盖现有 affiliateDash 其它字段。
+
+WITH latest_created AS (
+  SELECT DISTINCT ON (te.task_id)
+    te.task_id,
+    NULLIF(BTRIM(te.payload_json->>'orderNo'), '') AS order_no,
+    NULLIF(BTRIM(te.payload_json->>'clientOrderNo'), '') AS client_order_no
+  FROM task_events te
+  WHERE te.event_type = 'affiliate_dash_order_created'
+  ORDER BY te.task_id, te.created_at DESC, te.id DESC
+)
+UPDATE fulfillment_tasks ft
+SET
+  context_json = COALESCE(ft.context_json, '{}'::jsonb) || jsonb_build_object(
+    'affiliateDash',
+    COALESCE(ft.context_json->'affiliateDash', '{}'::jsonb) || jsonb_build_object(
+      'orderNo',
+      latest_created.order_no,
+      'clientOrderNo',
+      COALESCE(
+        latest_created.client_order_no,
+        NULLIF(ft.context_json #>> '{affiliateDash,clientOrderNo}', ''),
+        ft.platform_order_id
+      )
+    )
+  ),
+  updated_at = NOW()
+FROM latest_created
+WHERE ft.id = latest_created.task_id
+  AND ft.executor_key = 'affiliate_dash'
+  AND latest_created.order_no IS NOT NULL
+  AND (
+    COALESCE(ft.context_json #>> '{affiliateDash,orderNo}', '') = ''
+    OR COALESCE(ft.context_json #>> '{affiliateDash,clientOrderNo}', '') = ''
+  );