fix: use writeViaScreen for all programmatic console input

- Auto-compact now uses writeViaScreen with \r
- Auto-clear now uses writeViaScreen with \r
- Standardized respawn controller to use \r consistently
- Removed session name input from options modal (use right-click to rename)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/web/public/index.html

@@ -189,12 +189,6 @@
           <button class="modal-close" onclick="app.closeSessionOptions()">&times;</button>
         </div>
         <div class="modal-body">
-          <div class="form-row-inline">
-            <input type="text" id="sessionNameInput" placeholder="Session name...">
-            <button class="btn-toolbar" onclick="app.closeSessionOptions()">Cancel</button>
-            <button class="btn-toolbar btn-primary" onclick="app.saveSessionOptions()">Save</button>
-          </div>
-
           <!-- Respawn Settings Section -->
           <div class="session-respawn-section" id="sessionRespawnSection">
             <div class="section-divider">