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/readline/test/fixtures/file-in-win1251.txt

@@ -0,0 +1,14 @@
+file n	(folder for keeping information)	ïàïêà æ
+I have a file that I keep all my telephone bills in.
+Ó ìåíÿ åñòü ïàïêà, â êîòîðîé ÿ õðàíþ âñå ñ÷åòà çà òåëåôîí.
+file n	(tool)	íàïèëüíèê ì
+He used a file to smooth the corner of the wood.
+Îí çà÷èñòèë íàïèëüíèêîì êðàé äåðåâà.
+file n	(computer file)	ôàéë ì
+Can you send me the file as an attachment in an email?
+Ìîæåøü ïîñëàòü ìíå ýòîò ôàéë êàê ïðèëîæåíèå ê ýëåêòðîííîìó ïèñüìó?
+I file all my telephone bills together.
+ß ïîäøèâàþ âñå ñ÷åòà çà ýëåêòðè÷åñòâî âìåñòå.
+file vtr	(smooth with a file)	øëèôîâàòü, çà÷èùàòü íåñîâ + âèí
+He filed the wood.
+Îí øëèôîâàë äåðåâî.

smart-app-city/frontend/node_modules/readline/test/fixtures/nmbr.txt

@@ -0,0 +1,7 @@
+1
+2
+3
+4
+5
+6
+7

smart-app-city/frontend/node_modules/readline/test/test_readline.js

@@ -0,0 +1,138 @@
+var fs = require('fs');
+var readLine = require('../readline.js');
+var test = require("tap").test;
+
+test("test reading lines",function(t){
+   console.error("reading large file line by line asserts may take a while");
+   var rl = readLine('./fixtures/afile.txt');
+   rl.on("line", function (line,linecount){
+     t.ok(null !== line && undefined !== line);
+   });
+   rl.on("end",function (){
+   	t.end();
+   });
+
+});
+
+test("numbers", function (t){
+   var rl = readLine('./fixtures/nmbr.txt');
+   var answer = 28;
+   var i=0;
+   rl.on("line", function (line){
+   	 	var num = Number(line);
+   	 	console.error(num);
+        i+=num;
+
+   });
+   rl.on("end", function (){
+   	console.error(i,answer);
+   t.ok(answer === i, "answered");
+   t.end();
+   });
+});
+
+
+test("errors", function (t){
+	var rl = readLine("./Idontexist");
+    rl.on('error', function (e){
+      t.ok(e);
+      t.end();
+    });
+    rl.on('end', function (){
+    	t.end();
+    });
+    rl.on('close', function(){
+     t.end();
+    });
+});
+
+
+test("line count", function(t){
+  var rl = readLine('./fixtures/nmbr.txt');
+  var expect = 7;
+  var actual = 0;
+  rl.on("line", function (line, ln){
+    console.log("line",line,ln);
+    actual=ln;
+  });
+  rl.on("end", function (){
+    t.ok(actual === expect,"line count is correct");
+    t.end();
+  });
+});
+
+test("byte count after first line", function(t){
+  var rl = readLine('./fixtures/nmbr.txt');
+  var actual = 0;
+  var expect;
+  rl.on("line", function (line, ln, byteCount){
+    if (expect === undefined) {
+      expect = line.length;
+      console.log("byte count",byteCount);
+      actual=byteCount;
+
+      t.ok(actual === expect,"byte count is correct");
+      t.end();
+    }
+  });
+});
+
+test("byte count", function(t){
+  var rl = readLine('./fixtures/nmbr.txt');
+  var expect = fs.statSync('./fixtures/nmbr.txt').size;
+  var actual = 0;
+  rl.on("line", function (line, ln, byteCount){
+    console.log("byte count",byteCount);
+    actual=byteCount;
+  });
+  rl.on("end", function (){
+    t.ok(actual === expect,"byte count is correct");
+    t.end();
+  });
+});
+
+test("processing error passed on", function(t){
+  var rl = readLine('./fixtures/nmbr.txt');
+  var lastError;
+  var lineCalls = 0;
+
+  rl.on("line", function (line, ln, byteCount){
+    lineCalls++;
+    if (ln === 7) {
+      throw new Error('fake error');
+    }
+  });
+  rl.on("error", function (err){
+    if (!lastError) {
+      lastError = err;
+    }
+  });
+
+  rl.on("end", function (){
+    t.ok(lastError.message === 'fake error','error is passed on');
+    t.ok(lineCalls === 7, 'line count ok');
+    t.end();
+  });
+});
+
+test("test ascii file reading",function(t){
+  var iconv = require('iconv-lite');
+  var testFileValidationKeywords = {
+    1: 'папка',
+    3: 'телефон',
+    11: 'электричество',
+    14: 'дерево'
+  };
+
+  var rl = readLine('./fixtures/file-in-win1251.txt', {
+    retainBuffer: true
+  });
+  rl.on("line", function (data,linecount){
+    var line = iconv.decode(data, 'win1251');
+    t.ok(!testFileValidationKeywords[linecount] || line.indexOf(testFileValidationKeywords[linecount]) > -1);
+  });
+  rl.on("end",function (){
+    t.end();
+  });
+
+});