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/tasks_runtime.go

@@ -177,7 +177,7 @@ WHERE (
   AND (NULLIF($3, '') IS NULL OR api_key_id = $3)
   AND request->>'_compat_provider' = $4
   AND request->>'_kling_compat_version' = $5
-  AND (id::text = $6 OR external_task_id = $6)
+  AND (id::text = $6 OR external_task_id = $6 OR remote_task_id = $6 OR compatibility_public_id = $6)
 ORDER BY created_at DESC
 LIMIT 1`, gatewayUserID, userID, apiKeyID, strings.TrimSpace(provider), strings.TrimSpace(version), strings.TrimSpace(identifier)))
 	if err != nil {