perf: run token price source lookups in parallel

Fetch alpha, futures, and spot sources concurrently in token lookup flow to reduce end-to-end response latency while preserving independent source behavior.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

internal/services/tele/commands/token_test.go

@@ -1,7 +1,9 @@
 package commands
 
 import (
+	"sync"
 	"testing"
+	"time"
 
 	"me.thuanle/bbot/internal/data"
 	"me.thuanle/bbot/internal/data/market"
@@ -58,9 +60,27 @@ type marketStub struct {
 	alphaTokens map[string]market.AlphaTokenInfo
 	alphaPrices map[string]float64
 	marginRates map[string]float64
+
+	gate   *sync.WaitGroup
+	ready  chan struct{}
+	done   chan struct{}
+	mu     sync.Mutex
+	starts int
+}
+
+func (m *marketStub) waitConcurrentGate() {
+	if m.gate == nil {
+		return
+	}
+	m.mu.Lock()
+	m.starts++
+	m.mu.Unlock()
+	m.gate.Done()
+	<-m.ready
 }
 
 func (m *marketStub) GetFuturePrice(symbol string) (float64, float64, int64, bool) {
+	m.waitConcurrentGate()
 	v, ok := m.futurePrices[symbol]
 	if !ok {
 		return 0, 0, 0, false
@@ -70,6 +90,7 @@ func (m *marketStub) GetFuturePrice(symbol string) (float64, float64, int64, boo
 func (m *marketStub) GetAllPremiumIndex() (map[string]market.PremiumIndex, error) { return nil, nil }
 func (m *marketStub) GetAllFundRate() (map[string]float64, map[string]int64)      { return nil, nil }
 func (m *marketStub) GetSpotPrice(symbol string) (float64, bool) {
+	m.waitConcurrentGate()
 	v, ok := m.spotPrices[symbol]
 	return v, ok
 }
@@ -83,6 +104,7 @@ func (m *marketStub) GetAlphaToken(symbol string) (market.AlphaTokenInfo, bool)
 	return v, ok
 }
 func (m *marketStub) GetAlphaPrice(symbol string) (float64, bool) {
+	m.waitConcurrentGate()
 	v, ok := m.alphaPrices[symbol]
 	return v, ok
 }
@@ -154,3 +176,55 @@ func TestCollectRichTokenData_AlphaUsesSymbolPrice(t *testing.T) {
 		t.Fatalf("expected alpha price from symbol lookup, got %.4f", args.AlphaPrice)
 	}
 }
+
+func TestCollectRichTokenData_RunsLookupsConcurrently(t *testing.T) {
+	orig := data.Market
+	defer func() { data.Market = orig }()
+
+	gate := &sync.WaitGroup{}
+	gate.Add(3)
+	st := &marketStub{
+		spotPairs:    map[string]bool{"ABCUSDT": true},
+		futuresPairs: map[string]bool{"ABCUSDT": true},
+		spotPrices:   map[string]float64{"ABCUSDT": 1.23},
+		futurePrices: map[string]struct {
+			price float64
+			rate  float64
+			time  int64
+		}{"ABCUSDT": {price: 1.24, rate: 0.0001, time: 1740000000000}},
+		alphaTokens: map[string]market.AlphaTokenInfo{
+			"ABC": {Symbol: "ABC", PercentChange24h: "2.5", Price: "1.22"},
+		},
+		alphaPrices: map[string]float64{"ABCUSDT": 1.22},
+		gate:        gate,
+		ready:       make(chan struct{}),
+	}
+	data.Market = st
+
+	finished := make(chan buildRichTokenMessageArgs, 1)
+	go func() {
+		finished <- collectRichTokenData("ABC")
+	}()
+
+	waitDone := make(chan struct{})
+	go func() {
+		gate.Wait()
+		close(waitDone)
+	}()
+
+	select {
+	case <-waitDone:
+		close(st.ready)
+	case <-time.After(200 * time.Millisecond):
+		t.Fatalf("expected price lookups to run concurrently")
+	}
+
+	select {
+	case args := <-finished:
+		if !args.HasSpot || !args.HasFuture || !args.HasAlpha {
+			t.Fatalf("expected all lookups present: %+v", args)
+		}
+	case <-time.After(200 * time.Millisecond):
+		t.Fatalf("collectRichTokenData did not finish")
+	}
+}