add arch provider (#494)

arch/arch_config_schema.yaml

@@ -70,6 +70,7 @@ properties:
         provider_interface:
           type: string
           enum:
+            - arch
             - claude
             - deepseek
             - groq

arch/envoy.template.yaml

@@ -472,6 +472,31 @@ static_resources:
 
   clusters:
 
+    - name: arch
+      connect_timeout: 0.5s
+      type: LOGICAL_DNS
+      dns_lookup_family: V4_ONLY
+      lb_policy: ROUND_ROBIN
+      load_assignment:
+        cluster_name: arch
+        endpoints:
+          - lb_endpoints:
+              - endpoint:
+                  address:
+                    socket_address:
+                      address: archfc.katanemo.dev
+                      port_value: 443
+                  hostname: "archfc.katanemo.dev"
+      transport_socket:
+        name: envoy.transport_sockets.tls
+        typed_config:
+          "@type": type.googleapis.com/envoy.extensions.transport_sockets.tls.v3.UpstreamTlsContext
+          sni: archfc.katanemo.dev
+          common_tls_context:
+            tls_params:
+              tls_minimum_protocol_version: TLSv1_2
+              tls_maximum_protocol_version: TLSv1_3
+
     - name: claude
       connect_timeout: 0.5s
       type: LOGICAL_DNS
@@ -752,22 +777,6 @@ static_resources:
                       port_value: 9091
                   hostname: localhost
 
-    - name: router_model_host
-      connect_timeout: 0.5s
-      type: LOGICAL_DNS
-      dns_lookup_family: V4_ONLY
-      lb_policy: ROUND_ROBIN
-      load_assignment:
-        cluster_name: router_model_host
-        endpoints:
-          - lb_endpoints:
-              - endpoint:
-                  address:
-                    socket_address:
-                      address: 34.30.16.38
-                      port_value: 8000
-                  hostname: router_model_host
-
     - name: arch_prompt_gateway_listener
       connect_timeout: 0.5s
       type: LOGICAL_DNS

crates/brightstaff/src/router/llm_router.rs

@@ -120,6 +120,11 @@ impl RouterService {
             );
         }
 
+        llm_route_request_headers.insert(
+            header::HeaderName::from_static("model"),
+            header::HeaderValue::from_static("arch-router"),
+        );
+
         let start_time = std::time::Instant::now();
         let res = self
             .client

crates/common/src/configuration.rs

@@ -145,6 +145,8 @@ pub struct EmbeddingProviver {
 
 #[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq, Hash)]
 pub enum LlmProviderType {
+    #[serde(rename = "arch")]
+    Arch,
     #[serde(rename = "claude")]
     Claude,
     #[serde(rename = "deepseek")]
@@ -160,6 +162,7 @@ pub enum LlmProviderType {
 impl Display for LlmProviderType {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         match self {
+            LlmProviderType::Arch => write!(f, "arch"),
             LlmProviderType::Claude => write!(f, "claude"),
             LlmProviderType::Deepseek => write!(f, "deepseek"),
             LlmProviderType::Groq => write!(f, "groq"),