Initial commit - BTC Trading Dashboard

- FastAPI backend with PostgreSQL database connection
- Frontend dashboard with lightweight-charts
- Technical indicators (SMA, EMA, RSI, MACD, Bollinger Bands, etc.)
- Trading strategy simulation and backtesting
- Database connection to NAS at 20.20.20.20:5433
- Development server setup and documentation

src/api/dashboard/static/js/ui/storage.js

@@ -0,0 +1,47 @@
+export const SimulationStorage = {
+    STORAGE_KEY: 'btc_bot_simulations',
+    
+    getAll() {
+        try {
+            const data = localStorage.getItem(this.STORAGE_KEY);
+            return data ? JSON.parse(data) : [];
+        } catch (e) {
+            console.error('Error reading simulations:', e);
+            return [];
+        }
+    },
+    
+    save(simulation) {
+        try {
+            const simulations = this.getAll();
+            simulation.id = simulation.id || 'sim_' + Date.now();
+            simulation.createdAt = new Date().toISOString();
+            simulations.push(simulation);
+            localStorage.setItem(this.STORAGE_KEY, JSON.stringify(simulations));
+            return simulation.id;
+        } catch (e) {
+            console.error('Error saving simulation:', e);
+            return null;
+        }
+    },
+    
+    delete(id) {
+        try {
+            let simulations = this.getAll();
+            simulations = simulations.filter(s => s.id !== id);
+            localStorage.setItem(this.STORAGE_KEY, JSON.stringify(simulations));
+            return true;
+        } catch (e) {
+            console.error('Error deleting simulation:', e);
+            return false;
+        }
+    },
+    
+    get(id) {
+        return this.getAll().find(s => s.id === id);
+    },
+    
+    clear() {
+        localStorage.removeItem(this.STORAGE_KEY);
+    }
+};