Stabilize event log toggle and omit dev mode events

frontend/src/assets/css/scene-play.css

@@ -26,6 +26,10 @@
 
 /* Corner button that toggles the inline Event Log without moving. */
 .log-reopen-btn {
+    box-sizing: border-box;
+    width: 132px;
+    height: 44px;
+    white-space: nowrap;
     position: fixed;
     bottom: 20px;
     right: 20px;

frontend/src/components/ScenePhase.svelte

@@ -72,6 +72,7 @@
 
 <button
     class="log-reopen-btn"
+            aria-expanded={logOpen}
     title={logOpen ? 'Hide the event log' : 'Show the event log'}
     on:click={() => (logOpen = !logOpen)}
 >

frontend/src/lib/changelog.js

@@ -6,10 +6,11 @@
 //   - Add a CHANGELOG entry only when a commit changes something players can
 //     see. Skip refactors, tests, and tooling. Keep wording player-facing.
 
-export const VERSION = 27;
+export const VERSION = 28;
 
 // Newest first. Each entry: { version, date: 'YYYY-MM-DD', changes: [string, ...] }.
 export const CHANGELOG = [
+    { version: 28, date: '2026-09-04', changes: ['The Event Log toggle keeps the same size when opened or closed.', 'Dev Mode changes no longer clutter the Event Log.'] },
     { version: 27, date: '2026-09-04', changes: ['Shorter labels make the table easier to scan.', 'Difficulty and Successes now line up side by side, including on small screens.'] },
     {
         version: 25,

frontend/src/pages/Dashboard.svelte

@@ -257,6 +257,7 @@
     {#if state.game.phase !== 'scene'}
         <button
             class="log-reopen-btn"
+            aria-expanded={phaseLogOpen}
             title={phaseLogOpen ? 'Hide the event log' : 'Show the event log'}
             on:click={() => (phaseLogOpen = !phaseLogOpen)}
         >