Fix live page editable focus handling (#256)

skill/scripts/live-browser.js

@@ -6489,10 +6489,13 @@
     ) {
       return;
     }
+    if (isPageEditableElement(deepActive) && !isInlineEditActive(deepActive)) {
+      return;
+    }
     // While a contenteditable text-leaf is focused, let the browser handle
     // all keys except Escape. Escape cancels the current edit (restores
     // original text) and blurs without saving, staying in CONFIGURING.
-    if (e.target.isContentEditable && inlineEditRows.some((r) => r.el === e.target)) {
+    if (e.target.isContentEditable && isInlineEditActive(e.target)) {
       if (e.key !== 'Escape') return;
       e.preventDefault();
       e.stopPropagation();
@@ -8312,6 +8315,21 @@ void main() {
       && !steerLocked;
   }
 
+  function isPageEditableElement(el) {
+    if (!el || own(el)) return false;
+    if (/^(INPUT|TEXTAREA|SELECT)$/.test(el.tagName || '')) return true;
+    return !!el.isContentEditable;
+  }
+
+  function isInlineEditActive(el) {
+    return !!el && inlineEditRows.some((r) => r.el === el);
+  }
+
+  function isPageEditableActive() {
+    const active = activeElementDeep();
+    return isPageEditableElement(active) && !isInlineEditActive(active);
+  }
+
   function pageHasHostTextSelection() {
     const sel = window.getSelection?.();
     if (!sel || sel.isCollapsed) return false;
@@ -8325,6 +8343,7 @@ void main() {
   function shouldSteerAutoFocus() {
     return shouldFocusSteerChat()
       && !steerFocusSuspended
+      && !isPageEditableActive()
       && performance.now() >= steerFocusPauseUntil;
   }
 

tests/live-browser-regression.test.mjs

@@ -154,6 +154,24 @@ describe('live-browser.js regression guards', () => {
     );
   });
 
+  it('does not autofocus the steering chat while a page editable is focused', () => {
+    assert.match(
+      SOURCE,
+      /function isPageEditableElement\(el\) \{[\s\S]{0,160}?own\(el\)[\s\S]{0,160}?\^\(INPUT\|TEXTAREA\|SELECT\)\$[\s\S]{0,80}?el\.isContentEditable/,
+      'page-owned inputs, textareas, selects, and contenteditables must be recognized before steer focus recovery runs',
+    );
+    assert.match(
+      SOURCE,
+      /function isPageEditableActive\(\) \{[\s\S]{0,120}?activeElementDeep\(\)[\s\S]{0,120}?isPageEditableElement\(active\) && !isInlineEditActive\(active\)/,
+      'auto-focus recovery must check the deep active element instead of only host text selection',
+    );
+    assert.match(
+      SOURCE,
+      /function shouldSteerAutoFocus\(\) \{[\s\S]{0,160}?&& !isPageEditableActive\(\)/,
+      'steer chat auto-focus must back off while the page owns an editable caret',
+    );
+  });
+
   it('pins edit badge button metrics instead of inheriting host button chrome', () => {
     const start = SOURCE.indexOf('const calloutStyle = (color, borderColor) => ({');
     const end = SOURCE.indexOf('    });', start);
@@ -345,6 +363,22 @@ describe('live-browser.js regression guards', () => {
     );
   });
 
+  it('lets page editables keep Enter and arrow keydown events', () => {
+    const start = SOURCE.indexOf('function handleKeyDown(e)');
+    const pendingApplyStart = SOURCE.indexOf('if (pendingApplyInFlight)', start);
+    const guardSource = SOURCE.slice(start, pendingApplyStart);
+    assert.match(
+      guardSource,
+      /isPageEditableElement\(deepActive\) && !isInlineEditActive\(deepActive\)[\s\S]{0,40}?return;/,
+      'page-owned editables must short-circuit global key handling before variant navigation or accept handling',
+    );
+    assert.match(
+      guardSource,
+      /e\.target\.isContentEditable && isInlineEditActive\(e\.target\)/,
+      'impeccable inline edit rows must keep their existing Escape-cancel path',
+    );
+  });
+
   it('configure input Escape tears down annotation overlay before returning to picking', () => {
     // The configure prompt auto-focuses. While focused, the global keydown
     // handler bails on own() inputs, so this local Escape path must hide the