diff --git a/bin/fxt/build.rs b/bin/fxt/build.rs
index fee1e70ea..cf8e557fc 100644
--- a/bin/fxt/build.rs
+++ b/bin/fxt/build.rs
@@ -4,6 +4,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
     // legacy fat-client proto kept for wire compatibility (package name retained).
     let proto_root = "../../proto";
     let protos: Vec<String> = [
+        "auth",
         "trading",
         "health",
         "ml",
@@ -29,6 +30,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
         .compile_protos(&protos, &[proto_root.to_owned()])?;
 
     for proto in &[
+        "auth",
         "trading",
         "health",
         "ml",
diff --git a/bin/fxt/src/auth/login.rs b/bin/fxt/src/auth/login.rs
index 2ef6a9ea0..5a8c9bea1 100644
--- a/bin/fxt/src/auth/login.rs
+++ b/bin/fxt/src/auth/login.rs
@@ -148,35 +148,25 @@ impl LoginClient {
         password: &str,
         auth_manager: &AuthTokenManager<S>,
     ) -> Result<()> {
-        // Build login request
-        let _login_request = LoginRequest {
+        use crate::proto::auth::auth_service_client::AuthServiceClient;
+
+        let mut client = AuthServiceClient::new(self.gateway_channel.clone());
+        let request = crate::proto::auth::LoginRequest {
             username: username.to_owned(),
             password: password.to_owned(),
         };
 
-        // TODO: Call API login endpoint via gRPC
-        // For now, simulate a successful login response
-        if Self::is_api_available() {
-            tracing::warn!(
-                "API configured but gRPC client not yet implemented -- using simulation"
-            );
-        }
-        tracing::warn!(
-            "SECURITY: Using simulated login response -- not suitable for production"
-        );
-
-        let response = self.simulate_login_response();
-
-        if response.mfa_required {
-            anyhow::bail!(
-                "MFA required but non-interactive login does not support MFA. Use interactive login instead."
-            );
-        }
+        let resp = client
+            .login(request)
+            .await
+            .map_err(|e| anyhow::anyhow!("Login failed: {e}"))?
+            .into_inner();
 
         let token_info = TokenInfo {
-            access_token: response.access_token,
-            refresh_token: response.refresh_token,
-            expires_at: response.expires_at,
+            access_token: resp.access_token,
+            refresh_token: resp.refresh_token,
+            #[allow(clippy::cast_sign_loss)]
+            expires_at: resp.expires_at as u64,
         };
 
         auth_manager.set_tokens(token_info).await?;
diff --git a/bin/fxt/src/lib.rs b/bin/fxt/src/lib.rs
index 7d7b4c6a3..9048b86d9 100644
--- a/bin/fxt/src/lib.rs
+++ b/bin/fxt/src/lib.rs
@@ -62,6 +62,12 @@ pub const VERSION: &str = env!("CARGO_PKG_VERSION");
 ///
 /// All protos are compiled from the workspace-root `proto/` directory.
 pub mod proto {
+    /// Auth service protobuf definitions (package `auth`)
+    #[allow(clippy::shadow_reuse, clippy::impl_trait_in_params, clippy::empty_structs_with_brackets)]
+    pub mod auth {
+        tonic::include_proto!("auth");
+    }
+
     /// Trading service protobuf definitions (package `trading`)
     #[allow(clippy::shadow_reuse, clippy::impl_trait_in_params, clippy::empty_structs_with_brackets)]
     pub mod trading {
diff --git a/infra/k8s/argo/events/ci-sensor.yaml b/infra/k8s/argo/events/ci-sensor.yaml
deleted file mode 100644
index d6d0eeee6..000000000
--- a/infra/k8s/argo/events/ci-sensor.yaml
+++ /dev/null
@@ -1,54 +0,0 @@
-apiVersion: argoproj.io/v1alpha1
-kind: Sensor
-metadata:
-  name: ci-pipeline-trigger
-  namespace: foxhunt
-  labels:
-    app.kubernetes.io/name: ci-pipeline-trigger
-    app.kubernetes.io/part-of: foxhunt
-spec:
-  template:
-    serviceAccountName: argo-workflow
-  eventBusName: default
-  dependencies:
-    - name: gitlab-push-dep
-      eventSourceName: gitlab-push
-      eventName: gitlab-push
-      filters:
-        data:
-          - path: body.ref
-            type: string
-            value:
-              - refs/heads/main
-  triggers:
-    - template:
-        name: ci-pipeline
-        argoWorkflow:
-          operation: submit
-          source:
-            resource:
-              apiVersion: argoproj.io/v1alpha1
-              kind: Workflow
-              metadata:
-                generateName: ci-pipeline-
-                namespace: foxhunt
-              spec:
-                serviceAccountName: argo-workflow
-                arguments:
-                  parameters:
-                    - name: commit-sha
-                    - name: commits-json
-                    - name: cuda-compute-cap
-                      value: "89"
-                workflowTemplateRef:
-                  name: ci-pipeline
-          parameters:
-            - src:
-                dependencyName: gitlab-push-dep
-                dataKey: body.checkout_sha
-              dest: spec.arguments.parameters.0.value
-            - src:
-                dependencyName: gitlab-push-dep
-                dataKey: body.commits
-                dataTemplate: "{{ toJson .Input }}"
-              dest: spec.arguments.parameters.1.value
diff --git a/services/api/src/auth/grpc_login.rs b/services/api/src/auth/grpc_login.rs
index 1a289f1e8..9503f238f 100644
--- a/services/api/src/auth/grpc_login.rs
+++ b/services/api/src/auth/grpc_login.rs
@@ -88,7 +88,7 @@ impl AuthGrpcService {
             iss: self.jwt_config.jwt_issuer.clone(),
             aud: self.jwt_config.jwt_audience.clone(),
             roles: vec!["user".to_string()],
-            permissions: vec![],
+            permissions: vec!["api.access".to_string()],
             token_type: token_type.to_string(),
             session_id: Some(session_id.to_string()),
         };