Due date changes move tasks between overdue and upcoming columns, so the
page reloads to reflect the new state. Also fixed the Create button
never enabling—OverType instances use getValue(), not .value.

Assisted-by: Claude Opus 4.6 via Claude Code

diff --git a/public/js/app.js b/public/js/app.js
index 6b6b1ec..129efb2 100644
--- a/public/js/app.js
+++ b/public/js/app.js
@@ -104,6 +104,7 @@ document.addEventListener("alpine:init", () => {
 
     save() {
       saveSeriesField(seriesId, "due_date", this.dueDate)
+        .then(() => location.reload())
     },
   }))
 
@@ -200,7 +201,7 @@ document.addEventListener("alpine:init", () => {
   // New series form editor
   const newNoteEl = document.getElementById("series-note-editor")
   if (newNoteEl) {
-    const editor = new OverType("#series-note-editor", {
+    const [editor] = new OverType("#series-note-editor", {
       placeholder: "What needs doing...",
       textareaProps: { name: "note", required: true },
       autoResize: true,
@@ -208,7 +209,7 @@ document.addEventListener("alpine:init", () => {
     const createBtn = document.getElementById("create-series-btn")
     if (createBtn) {
       newNoteEl.addEventListener("input", () => {
-        createBtn.disabled = !editor.value.trim()
+        createBtn.disabled = !editor.getValue().trim()
       })
     }
   }