feat: add configurable max output tokens setting

src/lib/components/ConfigSidebar.svelte

@@ -56,6 +56,7 @@
     show_thinking_blocks: true,
     use_worktree: false,
     disable_1m_context: false,
+    max_output_tokens: null,
     trusted_workspaces: [],
     background_image_path: null,
     background_image_opacity: 0.3,
@@ -533,6 +534,25 @@
           context window
         </p>
       </div>
+
+      <!-- Max Output Tokens -->
+      <div class="mb-4">
+        <label class="block text-sm text-[var(--text-primary)] mb-1" for="max-output-tokens">
+          Max output tokens
+        </label>
+        <input
+          id="max-output-tokens"
+          type="number"
+          min="1"
+          placeholder="Default (32000)"
+          bind:value={config.max_output_tokens}
+          class="w-full px-3 py-2 text-sm bg-[var(--bg-primary)] border border-[var(--border-color)] rounded text-[var(--text-primary)] placeholder-[var(--text-tertiary)] focus:outline-none focus:border-[var(--accent-primary)]"
+        />
+        <p class="text-xs text-[var(--text-tertiary)] mt-1">
+          Sets <code class="font-mono">CLAUDE_CODE_MAX_OUTPUT_TOKENS</code> — increase if responses are
+          being cut off mid-reply
+        </p>
+      </div>
     </section>
 
     <!-- Greeting Section -->