feat(api): 统一官方兼容接口响应协议

兼容接口现在以入口协议作为最终响应协议，同协议保留官方 Wire 响应，跨协议统一转换成功、任务状态与错误结构。

同时修正异步提交状态边界，持久化兼容公开任务标识和官方提交响应，并新增迁移、流式响应及协议契约测试。

验证：go vet ./...；go test ./...；govulncheck ./...；pnpm lint；pnpm test；pnpm build；pnpm audit --audit-level high；pnpm openapi；全部 CI 脚本。

apps/api/internal/store/volces_compatible_tasks.go

@@ -81,7 +81,11 @@ WHERE (
   AND request->>'_gateway_compatibility' = $4
   AND (NULLIF($5, '') IS NULL OR LOWER(status) = $5)
   AND (NULLIF($6, '') IS NULL OR model = $6 OR resolved_model = $6)
-  AND (COALESCE(array_length($7::text[], 1), 0) = 0 OR id::text = ANY($7::text[]))`
+	AND (
+	  COALESCE(array_length($7::text[], 1), 0) = 0
+	  OR id::text = ANY($7::text[])
+	  OR remote_task_id = ANY($7::text[])
+	)`
 	var total int
 	if err := s.pool.QueryRow(ctx, `SELECT count(*) FROM gateway_tasks `+whereSQL, args...).Scan(&total); err != nil {
 		return TaskListResult{}, err
@@ -107,5 +111,45 @@ LIMIT $8 OFFSET $9`, append(args, pageSize, (page-1)*pageSize)...)
 	if err := rows.Err(); err != nil {
 		return TaskListResult{}, err
 	}
+	items, err = s.attachTaskAttempts(ctx, items)
+	if err != nil {
+		return TaskListResult{}, err
+	}
 	return TaskListResult{Items: items, Total: total, Page: page, PageSize: pageSize}, nil
 }
+
+// GetVolcesCompatibleTask resolves both the gateway UUID used for converted
+// tasks and the upstream Ark task ID exposed by native passthrough tasks.
+func (s *Store) GetVolcesCompatibleTask(ctx context.Context, user *auth.User, compatibilityMarker string, identifier string) (GatewayTask, error) {
+	gatewayUserID := localGatewayUserID(user)
+	userID, apiKeyID := "", ""
+	if user != nil {
+		userID = strings.TrimSpace(user.ID)
+		apiKeyID = strings.TrimSpace(user.APIKeyID)
+	}
+	if gatewayUserID == "" && userID == "" {
+		return GatewayTask{}, ErrLocalUserRequired
+	}
+	task, err := scanGatewayTask(s.pool.QueryRow(ctx, `
+SELECT `+gatewayTaskColumns+`
+FROM gateway_tasks
+WHERE (
+    (NULLIF($1, '')::uuid IS NOT NULL AND gateway_user_id = NULLIF($1, '')::uuid)
+    OR (NULLIF($1, '')::uuid IS NULL AND NULLIF($2, '') IS NOT NULL AND user_id = $2)
+  )
+  AND (NULLIF($3, '') IS NULL OR api_key_id = $3)
+  AND kind = 'videos.generations'
+  AND request->>'_gateway_compatibility' = $4
+  AND (id::text = $5 OR remote_task_id = $5)
+ORDER BY created_at DESC
+LIMIT 1`, gatewayUserID, userID, apiKeyID, strings.TrimSpace(compatibilityMarker), strings.TrimSpace(identifier)))
+	if err != nil {
+		return GatewayTask{}, err
+	}
+	attempts, err := s.ListTaskAttempts(ctx, task.ID)
+	if err != nil {
+		return GatewayTask{}, err
+	}
+	task.Attempts = attempts
+	return task, nil
+}