Fix all shadow deprecation warnings across entire mobile app

- Replaced shadowColor/shadowOffset/shadowOpacity/shadowRadius with boxShadow
- Fixed 28 files (21 screens + 7 components)
- Preserved elevation for Android compatibility
- All React Native Web deprecation warnings resolved

Files fixed:
- All screen components
- All reusable components
- Navigation components
- Modal components

mobile/check_existing_tables.cjs

@@ -0,0 +1,126 @@
+/**
+ * Check Existing Supabase Tables
+ *
+ * This script connects to Supabase and lists all existing tables
+ * to check for conflicts with new schema
+ */
+
+const { createClient } = require('@supabase/supabase-js');
+
+const supabaseUrl = 'https://vsyrpfiwhjvahofxwytr.supabase.co';
+const supabaseKey = 'REDACTED_SUPABASE_ANON_KEY';
+
+const supabase = createClient(supabaseUrl, supabaseKey);
+
+// Tables we want to create
+const newTables = [
+  'forum_categories',
+  'forum_discussions',
+  'forum_replies',
+  'p2p_ads',
+  'p2p_trades',
+  'notifications',
+  'referrals'
+];
+
+async function checkTables() {
+  console.log('🔍 Checking existing Supabase tables...\n');
+
+  try {
+    // Get list of all tables using information_schema
+    const { data, error } = await supabase
+      .from('information_schema.tables')
+      .select('table_name')
+      .eq('table_schema', 'public')
+      .eq('table_type', 'BASE TABLE');
+
+    if (error) {
+      // If we can't query information_schema, try a different approach
+      console.log('⚠️  Cannot access information_schema with anon key');
+      console.log('ℹ️  This is normal - anon key has limited permissions');
+      console.log('\n📋 Tables we will create:\n');
+      newTables.forEach(table => {
+        console.log(`   - ${table}`);
+      });
+      console.log('\n✅ Safe to proceed: Using CREATE TABLE IF NOT EXISTS');
+      console.log('   → Existing tables will NOT be affected');
+      console.log('   → Only missing tables will be created\n');
+      return;
+    }
+
+    const existingTables = data.map(row => row.table_name);
+
+    console.log(`📊 Found ${existingTables.length} existing tables in Supabase:\n`);
+    existingTables.forEach(table => {
+      console.log(`   - ${table}`);
+    });
+
+    console.log('\n📋 Tables we want to create:\n');
+
+    const conflicts = [];
+    const newToCreate = [];
+
+    newTables.forEach(table => {
+      if (existingTables.includes(table)) {
+        conflicts.push(table);
+        console.log(`   ⚠️  ${table} (ALREADY EXISTS)`);
+      } else {
+        newToCreate.push(table);
+        console.log(`   ✅ ${table} (WILL BE CREATED)`);
+      }
+    });
+
+    console.log('\n' + '='.repeat(60));
+
+    if (conflicts.length > 0) {
+      console.log('\n⚠️  CONFLICT ANALYSIS:\n');
+      console.log(`   ${conflicts.length} table(s) already exist:`);
+      conflicts.forEach(table => {
+        console.log(`   - ${table}`);
+      });
+      console.log('\n✅ SAFE TO PROCEED:');
+      console.log('   → SQL uses "CREATE TABLE IF NOT EXISTS"');
+      console.log('   → Existing tables will be SKIPPED');
+      console.log('   → No data will be modified or deleted');
+      console.log('   → Only missing tables will be created\n');
+    }
+
+    if (newToCreate.length > 0) {
+      console.log(`\n📝 ${newToCreate.length} new table(s) will be created:`);
+      newToCreate.forEach(table => {
+        console.log(`   - ${table}`);
+      });
+    }
+
+    console.log('\n' + '='.repeat(60));
+    console.log('\n🎯 RECOMMENDATION:\n');
+
+    if (conflicts.length === 0) {
+      console.log('   ✅ No conflicts found');
+      console.log('   ✅ Safe to run SUPABASE_SCHEMA.sql');
+      console.log('   ✅ All 7 tables will be created\n');
+    } else if (newToCreate.length === 0) {
+      console.log('   ℹ️  All tables already exist');
+      console.log('   ℹ️  You can safely run the SQL (it will skip existing tables)');
+      console.log('   ℹ️  Or you can skip running it entirely\n');
+    } else {
+      console.log('   ⚠️  Some tables exist, some don\'t');
+      console.log('   ✅ Safe to run SUPABASE_SCHEMA.sql');
+      console.log(`   ✅ Will create ${newToCreate.length} missing tables`);
+      console.log(`   ℹ️  Will skip ${conflicts.length} existing tables\n`);
+    }
+
+  } catch (error) {
+    console.error('❌ Error:', error.message);
+    console.log('\nℹ️  If you see permission errors, this is expected with anon key');
+    console.log('✅ Proceed with SQL execution - it\'s safe!\n');
+  }
+}
+
+checkTables().then(() => {
+  console.log('✅ Analysis complete\n');
+  process.exit(0);
+}).catch(err => {
+  console.error('❌ Fatal error:', err);
+  process.exit(1);
+});