feat(acceptance): 建立同构验收与弹性容量体系

实现本地三节点 K3s 同构环境、脱敏生产快照、Gemini 图片和多参考图视频协议模拟、统一验收报告及故障注入。\n\n新增 Worker 容量控制器、资源与连接预算、任务恢复保护，并将生产验收拆分为 validation 执行和人工 CAS 放量。\n\n验证包括 Go 全量测试、PostgreSQL HTTP 集成测试、go vet、OpenAPI、ShellCheck、前端检查、迁移及发布脚本测试。

apps/api/internal/store/oidc_users_integration_test.go

@@ -17,6 +17,8 @@ import (
 	"github.com/easyai/easyai-ai-gateway/apps/api/internal/identity"
 	"github.com/google/uuid"
 	"github.com/jackc/pgx/v5/pgxpool"
+	"github.com/riverqueue/river/riverdriver/riverpgxv5"
+	"github.com/riverqueue/river/rivermigrate"
 )
 
 func TestResolveOrProvisionOIDCMultiTenantUserIsIdempotentIsolatedAndReusable(t *testing.T) {
@@ -598,4 +600,12 @@ func applyOIDCJITTestMigrations(t *testing.T, ctx context.Context, databaseURL s
 			t.Fatalf("commit migration %s: %v", version, err)
 		}
 	}
+	driver := riverpgxv5.New(pool)
+	migrator, err := rivermigrate.New(driver, nil)
+	if err != nil {
+		t.Fatalf("create River migrator: %v", err)
+	}
+	if _, err := migrator.Migrate(ctx, rivermigrate.DirectionUp, nil); err != nil {
+		t.Fatalf("apply River migrations: %v", err)
+	}
 }