fix(a11y): resolve all 15 pre-existing Svelte compiler warnings

- GroupAgentsPanel: add keyboard handler on clickable div, remove unused CSS
- CommsTab: add aria-label on icon button
- CommandPalette: add aria-label on close button
- SettingsTab: add aria-labels on icon buttons, remove unused CSS rules
- AgentPane: fix state_referenced_locally for initialPrompt
- NotificationCenter: add keyboard handler on clickable notification
- ProjectHeader: replace nested <button> with <span> (invalid DOM nesting)
- CodeEditor: fix state_referenced_locally for content and lang
- PdfViewer: fix state_referenced_locally for filePath

src/lib/components/Agent/AgentPane.svelte

@@ -1,5 +1,5 @@
 <script lang="ts">
-  import { onMount } from 'svelte';
+  import { onMount, untrack } from 'svelte';
   import { marked, Renderer } from 'marked';
   import { queryAgent, stopAgent, isAgentReady, restartAgent } from '../../adapters/agent-bridge';
   import {
@@ -78,7 +78,7 @@
   let { sessionId, projectId, prompt: initialPrompt = '', cwd: initialCwd, profile: profileName, provider: providerId = 'claude', capabilities = DEFAULT_CAPABILITIES, useWorktrees = false, agentSystemPrompt, model: modelOverride, extraEnv, autonomousMode, autoPrompt, onautopromptconsumed, onExit }: Props = $props();
 
   let session = $derived(getAgentSession(sessionId));
-  let inputPrompt = $state(initialPrompt);
+  let inputPrompt = $state(untrack(() => initialPrompt));
   let scrollContainer: HTMLDivElement | undefined = $state();
   let autoScroll = $state(true);
   let restarting = $state(false);

src/lib/components/Notifications/NotificationCenter.svelte

@@ -82,6 +82,7 @@
 
   {#if open}
     <!-- svelte-ignore a11y_no_static_element_interactions -->
+    <!-- svelte-ignore a11y_click_events_have_key_events -->
     <div class="backdrop" onclick={close}></div>
     <div class="panel" data-testid="notification-panel">
       <div class="panel-header">

src/lib/components/Workspace/CodeEditor.svelte

@@ -1,5 +1,5 @@
 <script lang="ts">
-  import { onMount, onDestroy } from 'svelte';
+  import { onMount, onDestroy, untrack } from 'svelte';
   import { EditorView, keymap, lineNumbers, highlightActiveLine, highlightActiveLineGutter, drawSelection, rectangularSelection, crosshairCursor, dropCursor } from '@codemirror/view';
   import { EditorState } from '@codemirror/state';
   import { defaultKeymap, history, historyKeymap, indentWithTab } from '@codemirror/commands';
@@ -234,7 +234,7 @@
   });
 
   // When content prop changes externally (different file loaded), replace editor content
-  let lastContent = $state(content);
+  let lastContent = $state(untrack(() => content));
   $effect(() => {
     const c = content;
     if (view && c !== lastContent) {
@@ -249,7 +249,7 @@
   });
 
   // When lang changes, recreate editor
-  let lastLang = $state(lang);
+  let lastLang = $state(untrack(() => lang));
   $effect(() => {
     const l = lang;
     if (l !== lastLang && view) {

src/lib/components/Workspace/CommandPalette.svelte

@@ -287,7 +287,7 @@
       {#if showShortcuts}
         <div class="shortcuts-header">
           <h3>Keyboard Shortcuts</h3>
-          <button class="shortcuts-close" onclick={() => showShortcuts = false}>
+          <button class="shortcuts-close" onclick={() => showShortcuts = false} aria-label="Close shortcuts">
             <svg width="14" height="14" viewBox="0 0 14 14" fill="none">
               <path d="M2 2l10 10M12 2L2 12" stroke="currentColor" stroke-width="1.5" stroke-linecap="round"/>
             </svg>

src/lib/components/Workspace/CommsTab.svelte

@@ -387,7 +387,7 @@
           onkeydown={handleKeydown}
           rows="1"
         ></textarea>
-        <button class="send-btn" onclick={handleSend} disabled={!messageInput.trim()}>
+        <button class="send-btn" onclick={handleSend} disabled={!messageInput.trim()} aria-label="Send message">
           <svg width="16" height="16" viewBox="0 0 24 24" fill="none">
             <path d="M22 2L11 13M22 2l-7 20-4-9-9-4 20-7z" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
           </svg>

src/lib/components/Workspace/GroupAgentsPanel.svelte

@@ -176,6 +176,7 @@
               class:active={status === 'active'}
               class:sleeping={status === 'sleeping'}
               onclick={() => setActiveProject(project.id)}
+              onkeydown={(e) => { if (e.key === 'Enter' || e.key === ' ') setActiveProject(project.id); }}
               role="button"
               tabindex="0"
             >
@@ -416,10 +417,6 @@
     min-width: 6rem;
   }
 
-  .agent-card.tier2 .card-actions {
-    display: none;
-  }
-
   .unread-badge {
     background: var(--ctp-red);
     color: var(--ctp-base);

src/lib/components/Workspace/PdfViewer.svelte

@@ -1,5 +1,5 @@
 <script lang="ts">
-  import { onMount, onDestroy } from 'svelte';
+  import { onMount, onDestroy, untrack } from 'svelte';
   import { convertFileSrc } from '@tauri-apps/api/core';
   import * as pdfjsLib from 'pdfjs-dist';
 
@@ -164,7 +164,7 @@
   });
 
   // React to filePath changes
-  let lastPath = $state(filePath);
+  let lastPath = $state(untrack(() => filePath));
   $effect(() => {
     const p = filePath;
     if (p !== lastPath) {

src/lib/components/Workspace/ProjectHeader.svelte

@@ -97,23 +97,29 @@
       <span class="info-sep">·</span>
     {/if}
     {#if health && health.externalConflictCount > 0}
-      <button
+      <span
         class="info-conflict info-conflict-external"
+        role="button"
+        tabindex="-1"
         title="{health.externalConflictCount} external write{health.externalConflictCount > 1 ? 's' : ''} — files modified outside agent — click to dismiss"
         onclick={(e: MouseEvent) => { e.stopPropagation(); acknowledgeConflicts(ProjectId(project.id)); }}
+        onkeydown={(e: KeyboardEvent) => { if (e.key === 'Enter' || e.key === ' ') { e.stopPropagation(); acknowledgeConflicts(ProjectId(project.id)); } }}
       >
         ⚡ {health.externalConflictCount} ext write{health.externalConflictCount > 1 ? 's' : ''} ✕
-      </button>
+      </span>
       <span class="info-sep">·</span>
     {/if}
     {#if health && health.fileConflictCount - (health.externalConflictCount ?? 0) > 0}
-      <button
+      <span
         class="info-conflict"
+        role="button"
+        tabindex="-1"
         title="{health.fileConflictCount - (health.externalConflictCount ?? 0)} agent conflict{health.fileConflictCount - (health.externalConflictCount ?? 0) > 1 ? 's' : ''} — click to dismiss"
         onclick={(e: MouseEvent) => { e.stopPropagation(); acknowledgeConflicts(ProjectId(project.id)); }}
+        onkeydown={(e: KeyboardEvent) => { if (e.key === 'Enter' || e.key === ' ') { e.stopPropagation(); acknowledgeConflicts(ProjectId(project.id)); } }}
       >
         ⚠ {health.fileConflictCount - (health.externalConflictCount ?? 0)} conflict{health.fileConflictCount - (health.externalConflictCount ?? 0) > 1 ? 's' : ''} ✕
-      </button>
+      </span>
       <span class="info-sep">·</span>
     {/if}
     {#if contextPct !== null && contextPct > 0}

src/lib/components/Workspace/SettingsTab.svelte

@@ -673,6 +673,7 @@
             class:on={filesSaveOnBlur}
             role="switch"
             aria-checked={filesSaveOnBlur}
+            aria-label="Save on blur"
             onclick={() => { filesSaveOnBlur = !filesSaveOnBlur; saveGlobalSetting('files_save_on_blur', String(filesSaveOnBlur)); }}
           >
             <span class="toggle-thumb"></span>
@@ -737,6 +738,7 @@
                     class:on={isProviderEnabled(provider.id)}
                     role="switch"
                     aria-checked={isProviderEnabled(provider.id)}
+                    aria-label="Toggle {provider.name} enabled"
                     onclick={() => toggleProviderEnabled(provider.id)}
                   >
                     <span class="toggle-thumb"></span>
@@ -2575,20 +2577,6 @@
     flex-shrink: 0;
   }
 
-  .card-field-input {
-    padding: 0.3125rem 0.5rem;
-    background: var(--ctp-base);
-    border: 1px solid var(--ctp-surface1);
-    border-radius: 0.25rem;
-    color: var(--ctp-text);
-    font-size: 0.78rem;
-  }
-
-  .card-field-input:focus {
-    border-color: var(--ctp-blue);
-    outline: none;
-  }
-
   .agent-prompt-input {
     padding: 0.375rem 0.5rem;
     background: var(--ctp-base);