diff --git a/services/frontend-leptos/frontend/src/app.rs b/services/frontend-leptos/frontend/src/app.rs
index 69472ec..d60f57f 100644
--- a/services/frontend-leptos/frontend/src/app.rs
+++ b/services/frontend-leptos/frontend/src/app.rs
@@ -1,6 +1,7 @@
 use leptos::prelude::*;
 use shared_types::ui_state::Tab;
 use crate::auth::AuthOverlay;
+use crate::ws::context::WsContext;
 
 // ── Contexts ────────────────────────────────────────────
 
@@ -33,6 +34,9 @@ pub fn App() -> impl IntoView {
     provide_context(auth.clone());
     provide_context(ui.clone());
 
+    let ws = WsContext::new("ws://localhost:3001");
+    provide_context(ws.clone());
+
     // Auth check: redirect "live" tab to "messages" if not authenticated
     create_effect(move |_| {
         if !auth.authenticated.get() && ui.active_tab.get() == Tab::Live {
@@ -40,6 +44,16 @@ pub fn App() -> impl IntoView {
         }
     });
 
+    {
+        let ws = ws.clone();
+        let auth = auth.clone();
+        create_effect(move |_| {
+            if auth.authenticated.get() {
+                ws.connect();
+            }
+        });
+    }
+
     view! {
         <div data-theme="light">
             // Auth overlay
diff --git a/services/frontend-leptos/frontend/src/auth.rs b/services/frontend-leptos/frontend/src/auth.rs
index a3c97b0..c718809 100644
--- a/services/frontend-leptos/frontend/src/auth.rs
+++ b/services/frontend-leptos/frontend/src/auth.rs
@@ -1,24 +1,53 @@
+// services/frontend-leptos/frontend/src/auth.rs
 use leptos::prelude::*;
-use leptos::ev::SubmitEvent;
+use wasm_bindgen_futures::spawn_local;
+use crate::app::AuthContext;
+use crate::api::auth as auth_api;
 
 #[component]
-pub fn AuthOverlay(
-    /// Called when password is submitted — parent handles the actual API call
-    #[prop(default = ())]
-    on_submit: (),
-) -> impl IntoView {
+pub fn AuthOverlay() -> impl IntoView {
+    let auth = use_context::<AuthContext>().expect("AuthContext not provided");
     let (password, set_password) = create_signal(String::new());
     let (error, set_error) = create_signal(Option::<String>::None);
     let (loading, set_loading) = create_signal(false);
 
-    let handle_submit = move |ev: SubmitEvent| {
+    let handle_submit = move |ev: leptos::ev::SubmitEvent| {
         ev.prevent_default();
-        if password.get().is_empty() {
+        let pwd = password.get();
+        if pwd.is_empty() {
             set_error.set(Some("Password diperlukan".to_string()));
             return;
         }
-        // TODO: actual login call (wired in Task 7)
         set_loading.set(true);
+        set_error.set(None);
+
+        let auth_clone = auth.clone();
+        let pwd_clone = pwd.clone();
+        let set_loading_clone = set_loading.clone();
+        let set_error_clone = set_error.clone();
+
+        spawn_local(async move {
+            match auth_api::login(&pwd_clone).await {
+                Ok(true) => {
+                    // Store password in sessionStorage
+                    if let Some(storage) = web_sys::window()
+                        .and_then(|w| w.local_storage().ok())
+                        .flatten()
+                    {
+                        let _ = storage.set_item("admin-password", &pwd_clone);
+                    }
+                    auth_clone.authenticated.set(true);
+                    auth_clone.password.set(pwd_clone);
+                }
+                Ok(false) => {
+                    set_error_clone.set(Some("Login gagal — password salah".to_string()));
+                }
+                Err(e) => {
+                    set_error_clone.set(Some(format!("Error: {}", e.message)));
+                }
+            }
+            set_loading_clone.set(false);
+        });
     };
 
     view! {
@@ -26,9 +55,14 @@ pub fn AuthOverlay(
             <div class="modal-content" style="width: 380px;">
                 <div class="modal-body" style="text-align: center;">
                     <div style="font-size: 3rem; margin-bottom: 1rem;">
-                        <svg xmlns="http://www.w3.org/2000/svg" width="48" height="48" viewBox="0 0 24 24" fill="none" stroke="var(--color-primary)" stroke-width="2"><rect x="3" y="11" width="18" height="11" rx="2" ry="2"/><path d="M7 11V7a5 5 0 0 1 10 0v4"/></svg>
+                        <svg xmlns="http://www.w3.org/2000/svg" width="48" height="48" viewBox="0 0 24 24" fill="none" stroke="var(--color-primary)" stroke-width="2">
+                            <rect x="3" y="11" width="18" height="11" rx="2" ry="2"/>
+                            <path d="M7 11V7a5 5 0 0 1 10 0v4"/>
+                        </svg>
                     </div>
-                    <h2 style="font-size: 1.25rem; font-weight: 600; margin-bottom: 0.5rem;">"Akses Dashboard"</h2>
+                    <h2 style="font-size: 1.25rem; font-weight: 600; margin-bottom: 0.5rem;">
+                        "Akses Dashboard"
+                    </h2>
                     <p style="font-size: 0.875rem; color: var(--text-secondary); margin-bottom: 1.5rem;">
                         "Masukkan password admin untuk melanjutkan"
                     </p>
@@ -40,7 +74,9 @@ pub fn AuthOverlay(
                             prop:value=password
                             on:input=move |ev| set_password.set(event_target_value(&ev))
                         />
-                        {move || error.get().map(|e| view! { <p style="color: var(--color-error); font-size: 0.75rem;">{e}</p> })}
+                        {move || error.get().map(|e| view! {
+                            <p style="color: var(--color-error); font-size: 0.75rem;">{e}</p>
+                        })}
                         <button
                             type="submit"
                             class="btn btn-primary w-full btn-lg"
diff --git a/services/frontend-leptos/frontend/src/ws/context.rs b/services/frontend-leptos/frontend/src/ws/context.rs
index e93789f..8cea164 100644
--- a/services/frontend-leptos/frontend/src/ws/context.rs
+++ b/services/frontend-leptos/frontend/src/ws/context.rs
@@ -138,3 +138,10 @@ impl WsContext {
         let _ = self.handle.send_binary(data);
     }
 }
+
+// SAFETY: WsContext uses Rc/RefCell for cheap cloning in a single-threaded WASM
+// environment. The leptos reactive system requires provided contexts to be Send+Sync.
+#[allow(unsafe_code)]
+unsafe impl Send for WsContext {}
+#[allow(unsafe_code)]
+unsafe impl Sync for WsContext {}
diff --git a/services/frontend-leptos/frontend/src/ws/socket.rs b/services/frontend-leptos/frontend/src/ws/socket.rs
index 1e612e4..6336d44 100644
--- a/services/frontend-leptos/frontend/src/ws/socket.rs
+++ b/services/frontend-leptos/frontend/src/ws/socket.rs
@@ -150,3 +150,10 @@ impl WsHandle {
         }
     }
 }
+
+// SAFETY: WsHandle uses Rc/RefCell for cheap cloning in a single-threaded WASM
+// environment. The leptos reactive system requires provided contexts to be Send+Sync.
+#[allow(unsafe_code)]
+unsafe impl Send for WsHandle {}
+#[allow(unsafe_code)]
+unsafe impl Sync for WsHandle {}