refactor brightstaff (#736)

crates/brightstaff/src/app_state.rs

@@ -0,0 +1,29 @@
+use std::collections::HashMap;
+use std::sync::Arc;
+
+use common::configuration::{Agent, FilterPipeline, Listener, ModelAlias, SpanAttributes};
+use common::llm_providers::LlmProviders;
+use tokio::sync::RwLock;
+
+use crate::router::llm::RouterService;
+use crate::router::orchestrator::OrchestratorService;
+use crate::state::StateStorage;
+
+/// Shared application state bundled into a single Arc-wrapped struct.
+///
+/// Instead of cloning 8+ individual `Arc`s per connection, a single
+/// `Arc<AppState>` is cloned once and passed to the request handler.
+pub struct AppState {
+    pub router_service: Arc<RouterService>,
+    pub orchestrator_service: Arc<OrchestratorService>,
+    pub model_aliases: Option<HashMap<String, ModelAlias>>,
+    pub llm_providers: Arc<RwLock<LlmProviders>>,
+    pub agents_list: Option<Vec<Agent>>,
+    pub listeners: Vec<Listener>,
+    pub state_storage: Option<Arc<dyn StateStorage>>,
+    pub llm_provider_url: String,
+    pub span_attributes: Option<SpanAttributes>,
+    /// Shared HTTP client for upstream LLM requests (connection pooling / keep-alive).
+    pub http_client: reqwest::Client,
+    pub filter_pipeline: Arc<FilterPipeline>,
+}