diff --git a/src/presa_mano/main.py b/src/presa_mano/main.py
index 9cf08a6..da7a172 100644
--- a/src/presa_mano/main.py
+++ b/src/presa_mano/main.py
@@ -107,7 +107,7 @@ def index() -> HTMLResponse:
     idx = WEB_DIR / "index.html"
     html = idx.read_text(encoding="utf-8")
     # Cache-bust app.js and style.css with their mtime so a rebuild forces refetch.
-    for name in ("app.js", "work_plane.js", "style.css"):
+    for name in ("app.js", "work_plane.js", "right_arm.js", "style.css"):
         f = WEB_DIR / name
         if f.exists():
             v = int(f.stat().st_mtime)
diff --git a/web/right_arm.js b/web/right_arm.js
new file mode 100644
index 0000000..3ec5aaa
--- /dev/null
+++ b/web/right_arm.js
@@ -0,0 +1,386 @@
+// Tab "Braccio DX" — auto-refresh immagini, YOLO on-demand, move-toward,
+// posa Home/Custom. Vanilla JS, niente dipendenze.
+
+const $ = (id) => document.getElementById(id);
+const FRONT_REFRESH_MS = 1000;
+const WRIST_REFRESH_MS = 1000;
+const POSE_REFRESH_MS = 2000;
+
+let frontTimer = null;
+let wristTimer = null;
+let poseTimer = null;
+
+// ---------------- Helpers ----------------
+
+async function jsonFetch(url, opts) {
+  const r = await fetch(url, opts);
+  const body = await r.json().catch(() => ({}));
+  if (!r.ok) {
+    const err = new Error(body.detail || `HTTP ${r.status}`);
+    err.status = r.status;
+    throw err;
+  }
+  return body;
+}
+
+function setText(id, v) { const el = $(id); if (el) el.textContent = v; }
+
+function drawBbox(canvas, img, bbox, label) {
+  if (!canvas || !img || !bbox) return;
+  canvas.width = img.naturalWidth || img.width;
+  canvas.height = img.naturalHeight || img.height;
+  const ctx = canvas.getContext('2d');
+  ctx.clearRect(0, 0, canvas.width, canvas.height);
+  const x = bbox.x1, y = bbox.y1, w = bbox.x2 - bbox.x1, h = bbox.y2 - bbox.y1;
+  ctx.strokeStyle = '#00ff00';
+  ctx.lineWidth = 3;
+  ctx.strokeRect(x, y, w, h);
+  if (label) {
+    ctx.fillStyle = '#00ff00';
+    ctx.font = '14px monospace';
+    ctx.fillText(label, x, y - 4);
+  }
+}
+
+function clearCanvas(canvas) {
+  if (!canvas) return;
+  const ctx = canvas.getContext('2d');
+  ctx.clearRect(0, 0, canvas.width, canvas.height);
+}
+
+// ---------------- Banner stato ----------------
+
+async function refreshBanner() {
+  let state;
+  try {
+    state = await jsonFetch('/api/right_arm/state');
+  } catch (e) {
+    $('raStatusLabel').textContent = `Errore stato: ${e.message}`;
+    $('raStatusBanner').hidden = false;
+    $('raStatusBanner').className = 'ra-banner ra-banner-warn';
+    return;
+  }
+  const ok = state.robot_active === 'g1' && state.side === 'right';
+  const banner = $('raStatusBanner');
+  if (ok) {
+    banner.hidden = true;
+  } else {
+    banner.hidden = false;
+    banner.className = 'ra-banner ra-banner-warn';
+    $('raStatusLabel').textContent = `Robot attivo: ${state.robot_active} / ${state.side}. Per usare questa tab serve G1 / right.`;
+  }
+  return state;
+}
+
+async function onActivateClick() {
+  try {
+    await jsonFetch('/api/right_arm/activate', { method: 'POST' });
+    await refreshBanner();
+    await refreshPose();
+  } catch (e) {
+    alert(`Attivazione fallita: ${e.message}`);
+  }
+}
+
+// ---------------- Immagini ----------------
+
+function urlWithBust(path) { return `${path}?t=${Date.now()}`; }
+
+function startFrontLoop() {
+  if (frontTimer) clearInterval(frontTimer);
+  const tick = () => { $('raFrontImg').src = urlWithBust('/api/right_arm/snapshot/front'); };
+  tick();
+  if ($('raFrontAutoRefresh').checked) {
+    frontTimer = setInterval(tick, FRONT_REFRESH_MS);
+  }
+}
+function startWristLoop() {
+  if (wristTimer) clearInterval(wristTimer);
+  const tick = () => { $('raWristImg').src = urlWithBust('/api/right_arm/snapshot/wrist'); };
+  tick();
+  if ($('raWristAutoRefresh').checked) {
+    wristTimer = setInterval(tick, WRIST_REFRESH_MS);
+  }
+}
+
+// ---------------- YOLO classes ----------------
+
+async function populateClassDropdowns() {
+  let classes = [];
+  try {
+    classes = await jsonFetch('/api/perception/yolo/classes');
+    if (Array.isArray(classes.classes)) classes = classes.classes;
+  } catch (_) { classes = []; }
+  const cfg = await jsonFetch('/api/config').catch(() => ({}));
+  const dflt = (cfg.tab_right_arm && cfg.tab_right_arm.yolo_class) || 'pestello';
+  for (const id of ['raFrontClass', 'raWristClass']) {
+    const sel = $(id);
+    sel.innerHTML = '';
+    const names = classes.length ? classes.map(c => c.name || c) : [dflt];
+    for (const n of names) {
+      const opt = document.createElement('option');
+      opt.value = n; opt.textContent = n;
+      if (n === dflt) opt.selected = true;
+      sel.appendChild(opt);
+    }
+  }
+  if (cfg.tab_right_arm) {
+    const cf = cfg.tab_right_arm.yolo_conf_front;
+    const cw = cfg.tab_right_arm.yolo_conf_wrist;
+    $('raFrontConf').value = (cf === undefined || cf === null) ? 0.4 : cf;
+    $('raWristConf').value = (cw === undefined || cw === null) ? 0.4 : cw;
+  }
+}
+
+// ---------------- Detect on-demand ----------------
+
+async function onDetectFront() {
+  const className = $('raFrontClass').value;
+  const conf = parseFloat($('raFrontConf').value) || null;
+  const proxy = window.location.origin;
+  try {
+    const res = await jsonFetch('/api/right_arm/detect/front', {
+      method: 'POST', headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify({ class_name: className, conf, proxy_base_url: proxy }),
+    });
+    const top = res.detections[0];
+    drawBbox($('raFrontCanvas'), $('raFrontImg'), top.bbox,
+             `${top.class} ${(top.confidence * 100).toFixed(0)}%`);
+    $('raFrontResult').classList.remove('dim');
+    $('raFrontResult').textContent =
+      `classe: ${top.class}  conf: ${top.confidence.toFixed(2)}  ` +
+      `bbox: [${Math.round(top.bbox.x1)},${Math.round(top.bbox.y1)},` +
+      `${Math.round(top.bbox.x2)},${Math.round(top.bbox.y2)}]`;
+  } catch (e) {
+    clearCanvas($('raFrontCanvas'));
+    $('raFrontResult').textContent = `Errore: ${e.message}`;
+  }
+}
+
+async function onDetectWrist() {
+  const className = $('raWristClass').value;
+  const conf = parseFloat($('raWristConf').value) || null;
+  try {
+    const res = await jsonFetch('/api/right_arm/detect/wrist', {
+      method: 'POST', headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify({ class_name: className, conf }),
+    });
+    drawBbox($('raWristCanvas'), $('raWristImg'), res.detection.bbox,
+             `${res.detection.class} ${(res.detection.confidence * 100).toFixed(0)}%`);
+    const c = res.centroid_camera_m;
+    $('raWristResult').classList.remove('dim');
+    $('raWristResult').textContent =
+      `classe: ${res.detection.class}  conf: ${res.detection.confidence.toFixed(2)}\n` +
+      `centroide cam (m): x=${c[0].toFixed(3)} y=${c[1].toFixed(3)} z=${c[2].toFixed(3)}\n` +
+      `distanza: ${(res.distance_m * 1000).toFixed(0)} mm  ` +
+      `punti SAM21: ${res.n_sam21_points}`;
+  } catch (e) {
+    clearCanvas($('raWristCanvas'));
+    $('raWristResult').textContent = `Errore: ${e.message}`;
+  }
+}
+
+// ---------------- Posa polso ----------------
+
+async function refreshPose() {
+  try {
+    const s = await jsonFetch('/api/right_arm/state');
+    const p = s.wrist.position;
+    const r = s.wrist.rpy_deg;
+    setText('raPoseX', p[0].toFixed(3));
+    setText('raPoseY', p[1].toFixed(3));
+    setText('raPoseZ', p[2].toFixed(3));
+    setText('raPoseR', r[0].toFixed(1));
+    setText('raPoseP', r[1].toFixed(1));
+    setText('raPoseW', r[2].toFixed(1));
+    // Aggiorna anche i campi delle pose (solo se non sono stati toccati)
+    if (s.home_pose) fillPoseFields('raHome', s.home_pose);
+    if (s.custom_pose) fillPoseFields('raCust', s.custom_pose);
+    if (s.offset_camera_mm) {
+      $('raOffX').value = s.offset_camera_mm.x;
+      $('raOffY').value = s.offset_camera_mm.y;
+      $('raOffZ').value = s.offset_camera_mm.z;
+    }
+    if (s.axis_signs) {
+      $('raSgnX').value = s.axis_signs.x;
+      $('raSgnY').value = s.axis_signs.y;
+      $('raSgnZ').value = s.axis_signs.z;
+    }
+  } catch (e) {
+    // silenzioso: il polso può non essere disponibile
+  }
+}
+
+function fillPoseFields(prefix, pose) {
+  const xId = prefix + 'X';
+  if ($(xId).dataset.userTouched) return;
+  $(xId).value = pose.position[0];
+  $(prefix + 'Y').value = pose.position[1];
+  $(prefix + 'Z').value = pose.position[2];
+  $(prefix + 'R').value = pose.rpy_deg[0];
+  $(prefix + 'P').value = pose.rpy_deg[1];
+  $(prefix + 'W').value = pose.rpy_deg[2];
+}
+
+function readPoseFields(prefix) {
+  return {
+    position: [
+      parseFloat($(prefix + 'X').value),
+      parseFloat($(prefix + 'Y').value),
+      parseFloat($(prefix + 'Z').value),
+    ],
+    rpy_deg: [
+      parseFloat($(prefix + 'R').value),
+      parseFloat($(prefix + 'P').value),
+      parseFloat($(prefix + 'W').value),
+    ],
+  };
+}
+
+// ---------------- Offset save ----------------
+
+async function onSaveOffset() {
+  try {
+    await jsonFetch('/api/right_arm/offset', {
+      method: 'PUT', headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify({
+        move_offset_camera_mm: {
+          x: parseFloat($('raOffX').value),
+          y: parseFloat($('raOffY').value),
+          z: parseFloat($('raOffZ').value),
+        },
+        axis_sign_cam_to_wrist: {
+          x: parseInt($('raSgnX').value, 10),
+          y: parseInt($('raSgnY').value, 10),
+          z: parseInt($('raSgnZ').value, 10),
+        },
+      }),
+    });
+    alert('Offset salvato.');
+  } catch (e) {
+    alert(`Errore salvataggio: ${e.message}`);
+  }
+}
+
+// ---------------- Move toward ----------------
+
+async function onMove() {
+  const className = $('raWristClass').value;
+  const conf = parseFloat($('raWristConf').value) || null;
+  const dryRun = $('raMoveDryRun').checked;
+  try {
+    const res = await jsonFetch('/api/right_arm/move/toward', {
+      method: 'POST', headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify({ class_name: className, conf, dry_run: dryRun }),
+    });
+    const d = res.delta_wrist_mm;
+    $('raMoveResult').classList.remove('dim');
+    $('raMoveResult').textContent =
+      `delta polso (mm): X=${d[0].toFixed(1)} Y=${d[1].toFixed(1)} Z=${d[2].toFixed(1)}  ` +
+      `distanza: ${(res.distance_m * 1000).toFixed(0)} mm  ` +
+      `applicato: ${res.applied}  z_clipped: ${res.z_clipped}`;
+    if (!dryRun) await refreshPose();
+  } catch (e) {
+    $('raMoveResult').textContent = `Errore: ${e.message}`;
+  }
+}
+
+// ---------------- Home / Custom ----------------
+
+async function onHome() {
+  const dryRun = false;  // home è "safe": default false
+  if (!confirm('Eseguire move verso posa Home? (no dry-run)')) return;
+  try {
+    const res = await jsonFetch('/api/right_arm/home', {
+      method: 'POST', headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify({ dry_run: dryRun }),
+    });
+    await refreshPose();
+    alert(`Home eseguita: applied=${res.applied}`);
+  } catch (e) {
+    alert(`Errore Home: ${e.message}`);
+  }
+}
+
+async function onCustomGo() {
+  if (!confirm('Eseguire move verso posa Custom?')) return;
+  try {
+    await jsonFetch('/api/right_arm/custom_pose', {
+      method: 'POST', headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify({ dry_run: false }),
+    });
+    await refreshPose();
+  } catch (e) {
+    alert(`Errore Custom: ${e.message}`);
+  }
+}
+
+async function onCustomSave() {
+  const pose = readPoseFields('raCust');
+  try {
+    await jsonFetch('/api/right_arm/custom_pose', {
+      method: 'PUT', headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify(pose),
+    });
+    alert('Posa custom salvata in config.');
+  } catch (e) {
+    alert(`Errore salvataggio: ${e.message}`);
+  }
+}
+
+async function onCustomUseCurrent() {
+  try {
+    const s = await jsonFetch('/api/right_arm/state');
+    $('raCustX').value = s.wrist.position[0].toFixed(3);
+    $('raCustY').value = s.wrist.position[1].toFixed(3);
+    $('raCustZ').value = s.wrist.position[2].toFixed(3);
+    $('raCustR').value = s.wrist.rpy_deg[0].toFixed(1);
+    $('raCustP').value = s.wrist.rpy_deg[1].toFixed(1);
+    $('raCustW').value = s.wrist.rpy_deg[2].toFixed(1);
+    // Marca i campi come "user touched" così refreshPose non li sovrascrive
+    for (const k of ['X','Y','Z','R','P','W']) $('raCust' + k).dataset.userTouched = '1';
+  } catch (e) {
+    alert(`Errore lettura posa: ${e.message}`);
+  }
+}
+
+// ---------------- Init ----------------
+
+function markUserTouchedOnInput(prefix) {
+  for (const k of ['X','Y','Z','R','P','W']) {
+    const el = $(prefix + k);
+    if (el) el.addEventListener('input', () => { el.dataset.userTouched = '1'; });
+  }
+}
+
+function init() {
+  if (!$('tab-right-arm')) return;
+  $('raActivateBtn').addEventListener('click', onActivateClick);
+  $('raFrontDetectBtn').addEventListener('click', onDetectFront);
+  $('raWristDetectBtn').addEventListener('click', onDetectWrist);
+  $('raMoveBtn').addEventListener('click', onMove);
+  $('raSaveOffsetBtn').addEventListener('click', onSaveOffset);
+  $('raHomeBtn').addEventListener('click', onHome);
+  $('raCustomGoBtn').addEventListener('click', onCustomGo);
+  $('raCustomSaveBtn').addEventListener('click', onCustomSave);
+  $('raCustomUseCurrentBtn').addEventListener('click', onCustomUseCurrent);
+  $('raPoseRefreshBtn').addEventListener('click', refreshPose);
+  $('raFrontAutoRefresh').addEventListener('change', startFrontLoop);
+  $('raWristAutoRefresh').addEventListener('change', startWristLoop);
+  markUserTouchedOnInput('raHome');
+  markUserTouchedOnInput('raCust');
+
+  populateClassDropdowns();
+  startFrontLoop();
+  startWristLoop();
+  refreshBanner();
+  refreshPose();
+  if (poseTimer) clearInterval(poseTimer);
+  poseTimer = setInterval(refreshPose, POSE_REFRESH_MS);
+}
+
+if (document.readyState === 'loading') {
+  document.addEventListener('DOMContentLoaded', init);
+} else {
+  init();
+}