feat(smart-app): implement complete mobile app MVP

- App.tsx: full navigation (Auth stack + Main tabs with 5 screens)
- Auth: LoginScreen, RegisterScreen, ForgotPasswordScreen
- HomeScreen: dashboard with IoT metrics, weather widget, alerts, quick actions, sensors
- MapScreen: interactive map with layer toggles (6 layers)
- MarketplaceScreen: categories (6), products (5), search
- ChatScreen: AI chat with quick prompts (4), bot responses
- ProfileScreen: user info, stats, menu (9 items), logout
- AlertsScreen: alert list with severity, acknowledge
- SensorsScreen: sensor list with type filters (6 types), search
- ZonesScreen: zone cards with stats
- SettingsScreen: language picker (FR/EN/ES/DE), privacy, about
- Stores: iotStore (sensors, zones, alerts), notificationStore, uiStore + i18n
- Hooks: useSensors, useAlerts, useNotifications, useLocation
- Components: Card, Button, LoadingSpinner, ErrorBoundary, Header
- Services: iotService, notificationService (with axios API client)
- Utils: formatters (temp, AQI, noise, dates), validators (email, password, IBAN)
- Theme: colors.ts with full design system (Blue Ocean palette)
- Ditto: fixed MongoDB connection, new JWT secrets, official gateway image

smart-app-city/frontend/node_modules/@egjs/hammerjs/src/input/touch.js

@@ -0,0 +1,111 @@
+import {
+  INPUT_START,
+  INPUT_MOVE,
+  INPUT_END,
+  INPUT_CANCEL,
+  INPUT_TYPE_TOUCH
+} from '../inputjs/input-consts';
+import Input from '../inputjs/input-constructor';
+import toArray from '../utils/to-array';
+import hasParent from '../utils/has-parent';
+import uniqueArray from '../utils/unique-array';
+
+const TOUCH_INPUT_MAP = {
+  touchstart: INPUT_START,
+  touchmove: INPUT_MOVE,
+  touchend: INPUT_END,
+  touchcancel: INPUT_CANCEL
+};
+
+const TOUCH_TARGET_EVENTS = 'touchstart touchmove touchend touchcancel';
+
+/**
+ * @private
+ * Multi-user touch events input
+ * @constructor
+ * @extends Input
+ */
+export default class TouchInput extends Input {
+  constructor() {
+    TouchInput.prototype.evTarget = TOUCH_TARGET_EVENTS;
+    super(...arguments);
+    this.targetIds = {};
+    // this.evTarget = TOUCH_TARGET_EVENTS;
+  }
+  handler(ev) {
+    let type = TOUCH_INPUT_MAP[ev.type];
+    let touches = getTouches.call(this, ev, type);
+    if (!touches) {
+      return;
+    }
+
+    this.callback(this.manager, type, {
+      pointers: touches[0],
+      changedPointers: touches[1],
+      pointerType: INPUT_TYPE_TOUCH,
+      srcEvent: ev
+    });
+  }
+}
+
+/**
+ * @private
+ * @this {TouchInput}
+ * @param {Object} ev
+ * @param {Number} type flag
+ * @returns {undefined|Array} [all, changed]
+ */
+function getTouches(ev, type) {
+  let allTouches = toArray(ev.touches);
+  let { targetIds } = this;
+
+  // when there is only one touch, the process can be simplified
+  if (type & (INPUT_START | INPUT_MOVE) && allTouches.length === 1) {
+    targetIds[allTouches[0].identifier] = true;
+    return [allTouches, allTouches];
+  }
+
+  let i;
+  let targetTouches;
+  let changedTouches = toArray(ev.changedTouches);
+  let changedTargetTouches = [];
+  let { target } = this;
+
+  // get target touches from touches
+  targetTouches = allTouches.filter((touch) => {
+    return hasParent(touch.target, target);
+  });
+
+  // collect touches
+  if (type === INPUT_START) {
+    i = 0;
+    while (i < targetTouches.length) {
+      targetIds[targetTouches[i].identifier] = true;
+      i++;
+    }
+  }
+
+  // filter changed touches to only contain touches that exist in the collected target ids
+  i = 0;
+  while (i < changedTouches.length) {
+    if (targetIds[changedTouches[i].identifier]) {
+      changedTargetTouches.push(changedTouches[i]);
+    }
+
+    // cleanup removed touches
+    if (type & (INPUT_END | INPUT_CANCEL)) {
+      delete targetIds[changedTouches[i].identifier];
+    }
+    i++;
+  }
+
+  if (!changedTargetTouches.length) {
+    return;
+  }
+
+  return [
+    // merge targetTouches with changedTargetTouches so it contains ALL touches, including 'end' and 'cancel'
+    uniqueArray(targetTouches.concat(changedTargetTouches), 'identifier', true),
+    changedTargetTouches
+  ];
+}