feat: add app entry point, password toggle, and schedule modules

static/login.ts

@@ -0,0 +1,22 @@
+const initPasswordToggle = (): void => {
+  document.addEventListener("click", (event) => {
+    const target = event.target;
+    if (!(target instanceof Element)) return;
+
+    const button = target.closest<HTMLButtonElement>("[data-toggle-password]");
+    if (!button) return;
+
+    const field = button.closest("form")?.querySelector<HTMLInputElement>("#password");
+    const openEye = button.querySelector<SVGElement>("[data-eye-open]");
+    const closedEye = button.querySelector<SVGElement>("[data-eye-closed]");
+    if (!(field instanceof HTMLInputElement) || !openEye || !closedEye) return;
+
+    const showPassword = field.type === "password";
+    field.type = showPassword ? "text" : "password";
+    button.setAttribute("aria-label", showPassword ? "Hide password" : "Show password");
+    openEye.classList.toggle("hidden", showPassword);
+    closedEye.classList.toggle("hidden", !showPassword);
+  });
+};
+
+initPasswordToggle();