docs(changelog): add v0.5.0 development section

src/pages/changelog.astro

@@ -21,6 +21,50 @@ import BaseLayout from '../layouts/BaseLayout.astro';
     </section>
 
 
+    <!-- v0.5.0 Section -->
+    <section id="v0-5-0" class="changelog-section">
+      <div class="container">
+        <div class="version-card version-development">
+          <div class="version-header">
+            <div class="version-info">
+               <h2 class="version-number">v0.5.0</h2>
+              <span class="version-date">TBD</span>
+            </div>
+            <span class="version-badge badge-development">Development</span>
+          </div>
+          
+           <div class="version-content">
+            <div class="version-resume">
+              <p>This release continues polishing the editor and terminal experience while development continues on v0.5.0.</p>
+            </div>
+            <div class="changes-section">
+              <h3 class="changes-title">
+                <span class="changes-icon">✨</span>
+                Enhancements
+              </h3>
+              <ul class="changes-list">
+                <li>Updated to <strong>Vite 8</strong>.</li>
+                <li>Updated <strong>CodeMirror</strong> modules to their latest versions.</li>
+                <li>Replaced a select few commands with built-in commands for better cross-OS compatibility.</li>
+                <li><strong>Zaguán Blade.</strong> Removed more debug output throughout the app.</li>
+              </ul>
+            </div>
+
+            <div class="changes-section">
+              <h3 class="changes-title">
+                <span class="changes-icon">🐛</span>
+                Bug Fixes
+              </h3>
+              <ul class="changes-list">
+                <li><strong>Tool Calls.</strong> Fixed a bug where the final response could arrive above a <code>run_command</code> tool call.</li>
+                <li><strong>Blade Terminal.</strong> Fixed a bug where extra text would sometimes precede the command from <code>run_command</code>.</li>
+              </ul>
+            </div>
+          </div>
+        </div>
+      </div>
+    </section>
+
     <!-- v0.4.1 Section -->
     <section id="v0-4-1" class="changelog-section">
       <div class="container">