misc: binance momentum, telegram, frontend updates

dashboard.go

@@ -212,9 +212,12 @@ type Dashboard struct {
 
 	// Surge detector
 	surgeDetector *SurgeDetector
+
+	// Binance momentum detector
+	binanceMomentumDetector *BinanceMomentumDetector
 }
 
-func NewDashboard(store *PriceStore, database *db.DB, addr string, cfg *Config, momentumTracker *MomentumTracker, trendDetector *TrendDetector, cumulativeTracker *CumulativeTracker, trendFilter *TrendFilter, surgeDetector *SurgeDetector) *Dashboard {
+func NewDashboard(store *PriceStore, database *db.DB, addr string, cfg *Config, momentumTracker *MomentumTracker, trendDetector *TrendDetector, cumulativeTracker *CumulativeTracker, trendFilter *TrendFilter, surgeDetector *SurgeDetector, binanceMomentumDetector *BinanceMomentumDetector) *Dashboard {
 	d := &Dashboard{
 		hub:               NewSSEHub(),
 		history:           newPriceHistory(),
@@ -228,7 +231,8 @@ func NewDashboard(store *PriceStore, database *db.DB, addr string, cfg *Config,
 		trendDetector:     trendDetector,
 		cumulativeTracker: cumulativeTracker,
 		trendFilter:       trendFilter,
-		surgeDetector:     surgeDetector,
+		surgeDetector:            surgeDetector,
+		binanceMomentumDetector:  binanceMomentumDetector,
 	}
 
 	// Wire trend event persistence to SQLite
@@ -286,6 +290,8 @@ func (d *Dashboard) Run() {
 	mux.HandleFunc("GET /api/trend-signals", d.handleTrendSignals)
 	mux.HandleFunc("GET /api/surge-events", d.handleSurgeEvents)
 	mux.HandleFunc("GET /events", d.handleSSE)
+	mux.HandleFunc("GET /binance", d.handleBinanceIndex)
+	mux.HandleFunc("GET /api/binance-alerts", d.handleBinanceAlerts)
 
 	server := &http.Server{
 		Addr:         d.addr,
@@ -435,6 +441,14 @@ func (d *Dashboard) broadcastLoop() {
 				d.hub.Broadcast("surge", surgeSnap)
 			}
 		}
+
+		// 9. Binance momentum snapshot (1-minute change for all coins)
+		if d.binanceMomentumDetector != nil && d.cfg.BinanceMomentumEnabled {
+			bmSnap := d.binanceMomentumDetector.Snapshot()
+			if len(bmSnap) > 0 {
+				d.hub.Broadcast("binance_momentum", bmSnap)
+			}
+		}
 	}
 }
 
@@ -648,6 +662,36 @@ func (d *Dashboard) handleSSE(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
+// handleBinanceIndex serves the Binance momentum monitor page.
+func (d *Dashboard) handleBinanceIndex(w http.ResponseWriter, r *http.Request) {
+	var data []byte
+	var err error
+
+	data, err = os.ReadFile("frontend/dist/binance.html")
+	if err != nil {
+		data, err = staticFS.ReadFile("frontend/dist/binance.html")
+	}
+	if err != nil {
+		http.Error(w, "Not found", 404)
+		return
+	}
+	w.Header().Set("Content-Type", "text/html; charset=utf-8")
+	w.Write(data)
+}
+
+// handleBinanceAlerts returns recent Binance momentum alerts.
+func (d *Dashboard) handleBinanceAlerts(w http.ResponseWriter, r *http.Request) {
+	if d.binanceMomentumDetector == nil {
+		writeJSON(w, map[string]interface{}{"alerts": []interface{}{}})
+		return
+	}
+	alerts := d.binanceMomentumDetector.RecentAlerts(50)
+	if alerts == nil {
+		alerts = []BinanceAlert{}
+	}
+	writeJSON(w, map[string]interface{}{"alerts": alerts})
+}
+
 func writeJSON(w http.ResponseWriter, v interface{}) {
 	w.Header().Set("Content-Type", "application/json")
 	json.NewEncoder(w).Encode(v)