fix: SSH key display and mkdir in Dockerfile

- Fetch SSH public key every time auth section opens (was only fetching
  once and caching failures)
- Add mkdir for SSH key directory in Dockerfile.agent

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Dockerfile.agent

@@ -33,6 +33,9 @@ RUN pip3 install --break-system-packages ruff
 
 COPY --from=builder /app/target/release/compliance-agent /usr/local/bin/compliance-agent
 
+# Ensure SSH key directory exists
+RUN mkdir -p /data/compliance-scanner/ssh
+
 EXPOSE 3001 3002
 
 ENTRYPOINT ["compliance-agent"]

compliance-dashboard/src/pages/repositories.rs

@@ -28,7 +28,6 @@ pub fn RepositoriesPage() -> Element {
     let mut auth_token = use_signal(String::new);
     let mut auth_username = use_signal(String::new);
     let mut show_auth = use_signal(|| false);
-    let mut show_ssh_key = use_signal(|| false);
     let mut ssh_public_key = use_signal(String::new);
     let mut adding = use_signal(|| false);
     let mut toasts = use_context::<Toasts>();
@@ -96,10 +95,11 @@ pub fn RepositoriesPage() -> Element {
                         class: "btn btn-ghost",
                         style: "font-size: 12px; padding: 4px 8px;",
                         onclick: move |_| {
+                            let opening = !show_auth();
                             show_auth.toggle();
-                            if !show_ssh_key() {
-                                // Fetch SSH key on first open
-                                show_ssh_key.set(true);
+                            if opening {
+                                // Fetch SSH key every time the section opens
+                                ssh_public_key.set(String::new());
                                 spawn(async move {
                                     match crate::infrastructure::repositories::fetch_ssh_public_key().await {
                                         Ok(key) => ssh_public_key.set(key),