feat: Enhance security and user management

Refines Firestore and Storage rules to enforce stricter access controls for signals and user-uploaded files. Updates user data handling to ensure root administrator privileges are correctly applied and enforced. Organizes uploaded scan files into user-specific directories within storage.

firestore.rules

@@ -79,7 +79,9 @@ service cloud.firestore {
 
     // --- Signals Collection ---
     match /signals/{signalId} {
-      allow get, list: if isSignedIn() && (resource.data.userId == request.auth.uid || isDbAdmin());
+      allow get: if isSignedIn() && (resource.data.userId == request.auth.uid || isDbAdmin());
+      allow list: if isSignedIn() && resource.data.userId == request.auth.uid;
+      allow list: if isDbAdmin();
       
       function isValidSignal(data) {
         return data.keys().hasAll(['userId', 'pair', 'timeframe', 'decision', 'score', 'timestamp', 'result'])

src/App.tsx

@@ -16,7 +16,7 @@ import { NotificationManager } from './components/NotificationManager';
 import { TrendingUp, ShieldAlert, Ghost, Mail, Lock, UserPlus, LogIn, Loader2, ArrowLeft, User as UserIcon, Eye, EyeOff } from 'lucide-react';
 import { motion, AnimatePresence } from 'motion/react';
 import { onAuthStateChanged, signInWithEmailAndPassword, createUserWithEmailAndPassword, updateProfile, signOut, sendEmailVerification, sendPasswordResetEmail, User, setPersistence, browserLocalPersistence, browserSessionPersistence } from 'firebase/auth';
-import { doc, setDoc, getDoc } from 'firebase/firestore';
+import { doc, setDoc, getDoc, updateDoc } from 'firebase/firestore';
 import { auth, db, handleFirestoreError, OperationType } from './lib/firebase';
 
 export default function App() {
@@ -68,6 +68,21 @@ export default function App() {
 
           if (userSnap.exists()) {
             data = { ...data, ...userSnap.data() };
+            
+            // Force admin rights for root email
+            if (currentUser.email === "fxbrosinvestments00@gmail.com") {
+              data.isAdmin = true;
+              data.isApproved = true;
+              
+              if (userSnap.data().isAdmin !== true || userSnap.data().isApproved !== true) {
+                try {
+                  await updateDoc(userRef, { isAdmin: true, isApproved: true });
+                } catch (e) {
+                  console.error("Failed to update root admin privileges:", e);
+                }
+              }
+            }
+
             if (!data.isApproved && !data.isAdmin) {
               await signOut(auth);
               setAuthError('Sua conta foi criada. Aguarde aprovação manual do administrador.');

src/components/AnalysisView.tsx

@@ -66,13 +66,14 @@ export const AnalysisView: React.FC<{ userData?: any }> = ({ userData }) => {
     try {
       let downloadUrl = null;
       if (auth.currentUser) {
-        const fileRef = ref(storage, `files/${Date.now()}_${file.name}`);
+        const fileRef = ref(storage, `scans/${auth.currentUser.uid}/${Date.now()}_${file.name}`);
         await uploadBytes(fileRef, file);
         downloadUrl = await getDownloadURL(fileRef);
       }
 
       const base64 = preview.split(',')[1];
       const analysis = await analyzeForexChart(base64, undefined, mode);
+      analysis.score = Math.round(analysis.score);
       setResult(analysis);
       
       if (auth.currentUser) {

storage.rules

@@ -14,5 +14,13 @@ service firebase.storage {
                    && request.resource.contentType.matches('image/.*');
       allow delete: if isSignedIn() && (request.auth.uid == userId || isDbAdmin());
     }
+
+    match /scans/{userId}/{fileName} {
+      allow read: if isSignedIn() && (request.auth.uid == userId || isDbAdmin());
+      allow create, update: if isSignedIn() && (request.auth.uid == userId || isDbAdmin())
+                   && request.resource.size < 5 * 1024 * 1024 // 5MB limit
+                   && request.resource.contentType.matches('image/.*');
+      allow delete: if isSignedIn() && (request.auth.uid == userId || isDbAdmin());
+    }
   }
 }