fix: prefer the focused frame, bound model length, drop dead flag

options/options.html

@@ -9,7 +9,7 @@
 <form id="settings" autocomplete="off">
   <div class="field">
     <label for="model">Model <span class="tag">experimental</span></label>
-    <input type="text" id="model" placeholder="auto" spellcheck="false" />
+    <input type="text" id="model" placeholder="auto" spellcheck="false" maxlength="200" />
     <p class="hint">
       ChatGPT may ignore this and use your account default. Leave blank to
       always use your account default.

options/options.js

@@ -8,12 +8,8 @@ const field = (id) => document.getElementById(id);
 
 let saveTimer = null;
 let statusTimer = null;
-// Suppresses the change/input handlers while we are programmatically writing
-// values into the form, so a remote sync cannot trigger a save loop.
-let applying = false;
 
 function render(settings) {
-  applying = true;
   for (const [id, value] of Object.entries(settings)) {
     const element = field(id);
     // Never overwrite the control the user is actively editing — this page's
@@ -27,7 +23,6 @@ function render(settings) {
       element.value = value;
     }
   }
-  applying = false;
 }
 
 function collect() {
@@ -60,9 +55,6 @@ async function persist(settings) {
 
 // Debounced so typing in a text field cannot approach any write-rate quota.
 function scheduleSave() {
-  if (applying) {
-    return;
-  }
   clearTimeout(saveTimer);
   saveTimer = setTimeout(() => persist(collect()), SAVE_DEBOUNCE_MS);
 }