refactor: remove command palette HTML and CSS

muxplex/frontend/index.html

@@ -32,7 +32,6 @@
       <button id="back-btn" class="back-btn" aria-label="Back">&#8592;</button>
       <button id="sidebar-toggle-btn" class="sidebar-toggle-btn" aria-label="Toggle session list">&#9776;</button>
       <span id="expanded-session-name" class="expanded-session-name"></span>
-      <button id="palette-trigger" class="palette-trigger" aria-label="Open command palette">&#8984;K</button>
     </header>
     <div class="view-body">
       <div id="session-sidebar" class="session-sidebar">
@@ -47,13 +46,7 @@
     <div id="reconnect-overlay" class="reconnect-overlay hidden" aria-live="polite">Reconnecting&hellip;</div>
   </div>
 
-  <!-- ── Command palette ───────────────────────────────────────────────────── -->
-  <div id="command-palette" class="command-palette hidden" role="dialog" aria-modal="true" aria-label="Switch session">
-    <div class="command-palette__backdrop" id="palette-backdrop"></div>
-    <div class="command-palette__dialog">
-      <input id="palette-input" class="command-palette__input" type="text"
              placeholder="Jump to session…" autocomplete="off" spellcheck="false">
-      <ul id="palette-list" class="command-palette__list" role="listbox" aria-label="Sessions"></ul>
     </div>
   </div>
 

muxplex/frontend/style.css

@@ -353,15 +353,6 @@ body {
   white-space: nowrap;
 }
 
-.palette-trigger {
-  background: none;
-  border: 1px solid var(--border);
-  border-radius: 4px;
-  color: var(--text-dim);
-  font-size: 12px;
-  padding: 4px 10px;
-  cursor: pointer;
-}
 
 .view-body {
   display: flex;
@@ -687,95 +678,6 @@ body {
   }
 }
 
-/* ============================================================
-   Command palette overlay (desktop session switching)
-   ============================================================ */
-
-.command-palette {
-  position: fixed;
-  inset: 0;
-  z-index: 200;
-  display: flex;
-  align-items: flex-start;
-  justify-content: center;
-  padding-top: 15vh;
-}
-
-.command-palette__backdrop {
-  position: absolute;
-  inset: 0;
-  background: var(--bg-overlay);
-  backdrop-filter: blur(2px);
-}
-
-.command-palette__dialog {
-  position: relative;
-  width: min(440px, 90vw);
-  background: var(--bg-header);
-  border: 1px solid var(--border);
-  border-radius: 8px;
-  overflow: hidden;
-  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
-}
-
-.command-palette__input {
-  width: 100%;
-  padding: 14px 16px;
-  background: transparent;
-  border: none;
-  border-bottom: 1px solid var(--border);
-  color: var(--text);
-  font-size: 14px;
-  font-family: var(--font-ui);
-  outline: none;
-}
-
-.command-palette__input::placeholder {
-  color: var(--text-dim);
-}
-
-.command-palette__list {
-  list-style: none;
-  max-height: 320px;
-  overflow-y: auto;
-}
-
-.palette-item {
-  display: flex;
-  align-items: center;
-  gap: 10px;
-  padding: 10px 16px;
-  cursor: pointer;
-  font-size: 13px;
-  color: var(--text-muted);
-  transition: background var(--t-fast);
-}
-
-.palette-item:hover,
-.palette-item--selected {
-  background: var(--accent-dim);
-  color: var(--text);
-}
-
-.palette-item__index {
-  font-size: 11px;
-  color: var(--text-dim);
-  width: 16px;
-}
-
-.palette-item__name {
-  flex: 1;
-}
-
-.palette-item__bell {
-  color: var(--bell);
-  font-size: 11px;
-}
-
-.palette-item__time {
-  font-size: 11px;
-  color: var(--text-dim);
-}
 
 /* ─── Mobile Bottom Sheet ─────────────────────────────────────── */