[router] add router db connector for responses api (#10487)

sgl-router/tests/request_formats_test.rs

@@ -3,9 +3,7 @@ mod common;
 use common::mock_worker::{HealthStatus, MockWorker, MockWorkerConfig, WorkerType};
 use reqwest::Client;
 use serde_json::json;
-use sglang_router_rs::config::{
-    CircuitBreakerConfig, ConnectionMode, PolicyConfig, RetryConfig, RouterConfig, RoutingMode,
-};
+use sglang_router_rs::config::{RouterConfig, RoutingMode};
 use sglang_router_rs::routers::{RouterFactory, RouterTrait};
 use std::sync::Arc;
 
@@ -21,34 +19,10 @@ impl TestContext {
             mode: RoutingMode::Regular {
                 worker_urls: vec![],
             },
-            policy: PolicyConfig::Random,
-            host: "127.0.0.1".to_string(),
             port: 3003,
-            max_payload_size: 256 * 1024 * 1024,
-            request_timeout_secs: 600,
             worker_startup_timeout_secs: 1,
             worker_startup_check_interval_secs: 1,
-            dp_aware: false,
-            api_key: None,
-            discovery: None,
-            metrics: None,
-            log_dir: None,
-            log_level: None,
-            request_id_headers: None,
-            max_concurrent_requests: 64,
-            queue_size: 0,
-            queue_timeout_secs: 60,
-            rate_limit_tokens_per_second: None,
-            cors_allowed_origins: vec![],
-            retry: RetryConfig::default(),
-            circuit_breaker: CircuitBreakerConfig::default(),
-            disable_retries: false,
-            disable_circuit_breaker: false,
-            health_check: sglang_router_rs::config::HealthCheckConfig::default(),
-            enable_igw: false,
-            connection_mode: ConnectionMode::Http,
-            model_path: None,
-            tokenizer_path: None,
+            ..Default::default()
         };
 
         let mut workers = Vec::new();