diff --git a/nofxi/internal/agent/brain.go b/nofxi/internal/agent/brain.go
new file mode 100644
index 00000000..9ad5780c
--- /dev/null
+++ b/nofxi/internal/agent/brain.go
@@ -0,0 +1,189 @@
+package agent
+
+import (
+	"context"
+	"fmt"
+	"log/slog"
+	"strings"
+	"time"
+
+	"nofx/nofxi/internal/perception"
+	"nofx/nofxi/internal/thinking"
+)
+
+// Brain is the proactive intelligence layer.
+// It receives signals from Sentinel, processes news, and decides
+// when to proactively notify the user.
+type Brain struct {
+	agent       *Agent
+	news        *perception.NewsMonitor
+	logger      *slog.Logger
+	stopCh      chan struct{}
+
+	// Debounce: don't spam the same signal
+	recentSignals map[string]time.Time
+}
+
+// NewBrain creates the proactive brain.
+func NewBrain(agent *Agent, logger *slog.Logger) *Brain {
+	return &Brain{
+		agent:         agent,
+		news:          perception.NewNewsMonitor(logger),
+		logger:        logger,
+		stopCh:        make(chan struct{}),
+		recentSignals: make(map[string]time.Time),
+	}
+}
+
+// HandleSignal processes a market signal from the Sentinel.
+func (b *Brain) HandleSignal(signal perception.Signal) {
+	// Debounce: same signal type + symbol within 10 minutes
+	key := fmt.Sprintf("%s:%s", signal.Type, signal.Symbol)
+	if last, ok := b.recentSignals[key]; ok && time.Since(last) < 10*time.Minute {
+		return
+	}
+	b.recentSignals[key] = time.Now()
+
+	// Format alert message
+	emoji := map[string]string{
+		"info":     "ℹ️",
+		"warning":  "⚠️",
+		"critical": "🚨",
+	}
+	e := emoji[signal.Severity]
+	if e == "" {
+		e = "📊"
+	}
+
+	msg := fmt.Sprintf("%s *%s*\n\n%s\n\n_%s_",
+		e, signal.Title, signal.Detail, signal.Timestamp.Format("15:04:05"))
+
+	b.notifyAll(msg)
+}
+
+// StartNewsScan begins periodic news scanning.
+func (b *Brain) StartNewsScan(interval time.Duration) {
+	go func() {
+		ticker := time.NewTicker(interval)
+		defer ticker.Stop()
+
+		for {
+			select {
+			case <-b.stopCh:
+				return
+			case <-ticker.C:
+				b.scanNews()
+			}
+		}
+	}()
+}
+
+// StartMarketBrief sends a morning/evening market brief.
+func (b *Brain) StartMarketBrief() {
+	go func() {
+		ticker := time.NewTicker(1 * time.Minute)
+		defer ticker.Stop()
+
+		for {
+			select {
+			case <-b.stopCh:
+				return
+			case now := <-ticker.C:
+				hour := now.Hour()
+				minute := now.Minute()
+
+				// Morning brief at 08:30
+				if hour == 8 && minute == 30 {
+					b.sendMarketBrief("morning")
+				}
+				// Evening brief at 20:30
+				if hour == 20 && minute == 30 {
+					b.sendMarketBrief("evening")
+				}
+			}
+		}
+	}()
+}
+
+func (b *Brain) scanNews() {
+	items, err := b.news.FetchNews()
+	if err != nil {
+		b.logger.Error("fetch news", "error", err)
+		return
+	}
+
+	// Filter for high-impact news related to watched symbols
+	for _, item := range items {
+		if item.Sentiment == "neutral" {
+			continue
+		}
+		if len(item.Symbols) == 0 {
+			continue
+		}
+		// Only alert on recent news (last 10 minutes)
+		if time.Since(item.Timestamp) > 10*time.Minute {
+			continue
+		}
+
+		emoji := "📰"
+		if item.Sentiment == "bullish" {
+			emoji = "🟢"
+		} else if item.Sentiment == "bearish" {
+			emoji = "🔴"
+		}
+
+		msg := fmt.Sprintf("%s *%s*\n\n%s\n\n• Source: %s\n• Symbols: %s\n• Sentiment: %s",
+			emoji, "News Alert",
+			item.Title,
+			item.Source,
+			strings.Join(item.Symbols, ", "),
+			strings.ToUpper(item.Sentiment),
+		)
+		b.notifyAll(msg)
+	}
+}
+
+func (b *Brain) sendMarketBrief(timeOfDay string) {
+	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+	defer cancel()
+
+	prompt := fmt.Sprintf(`Generate a brief %s market summary for crypto trading.
+Include: BTC/ETH price direction, key levels, market sentiment, any notable events.
+Be concise (under 200 words). Use trading emojis. Respond in Chinese.
+Current time: %s`, timeOfDay, time.Now().Format("2006-01-02 15:04:05"))
+
+	resp, err := b.agent.thinker.Chat(ctx, []thinking.Message{
+		{Role: "system", Content: "You are NOFXi, a professional crypto trading AI. Respond in Chinese."},
+		{Role: "user", Content: prompt},
+	})
+	if err != nil {
+		b.logger.Error("generate market brief", "error", err)
+		return
+	}
+
+	title := "☀️ *早间市场简报*"
+	if timeOfDay == "evening" {
+		title = "🌙 *晚间市场简报*"
+	}
+
+	msg := fmt.Sprintf("%s\n\n%s\n\n_Generated by NOFXi 🤖_", title, resp)
+	b.notifyAll(msg)
+}
+
+func (b *Brain) notifyAll(text string) {
+	if b.agent.NotifyFunc == nil {
+		return
+	}
+	for _, uid := range b.agent.config.Telegram.AllowedIDs {
+		if err := b.agent.NotifyFunc(uid, text); err != nil {
+			b.logger.Error("notify", "user_id", uid, "error", err)
+		}
+	}
+}
+
+// Stop stops the brain.
+func (b *Brain) Stop() {
+	close(b.stopCh)
+}
+
+
diff --git a/nofxi/internal/memory/learner.go b/nofxi/internal/memory/learner.go
new file mode 100644
index 00000000..5473b067
--- /dev/null
+++ b/nofxi/internal/memory/learner.go
@@ -0,0 +1,229 @@
+package memory
+
+import (
+	"database/sql"
+	"fmt"
+	"time"
+)
+
+// UserProfile captures what the AI has learned about a user's trading behavior.
+type UserProfile struct {
+	UserID          int64     `json:"user_id"`
+	TotalTrades     int       `json:"total_trades"`
+	WinRate         float64   `json:"win_rate"`
+	AvgHoldTime     float64   `json:"avg_hold_time_hours"`
+	PreferredSide   string    `json:"preferred_side"`   // "long", "short", "balanced"
+	RiskTolerance   string    `json:"risk_tolerance"`   // "conservative", "moderate", "aggressive"
+	FavoriteSymbols []string  `json:"favorite_symbols"`
+	AvgLeverage     float64   `json:"avg_leverage"`
+	BestStrategy    string    `json:"best_strategy"`
+	WorstStrategy   string    `json:"worst_strategy"`
+	TotalPnL        float64   `json:"total_pnl"`
+	BiggestWin      float64   `json:"biggest_win"`
+	BiggestLoss     float64   `json:"biggest_loss"`
+	LastAnalyzed    time.Time `json:"last_analyzed"`
+}
+
+// Lesson is an insight learned from past trading.
+type Lesson struct {
+	ID        int64     `json:"id"`
+	UserID    int64     `json:"user_id"`
+	Type      string    `json:"type"`    // "win_pattern", "loss_pattern", "risk_insight", "strategy_note"
+	Content   string    `json:"content"` // Natural language description
+	Symbol    string    `json:"symbol,omitempty"`
+	CreatedAt time.Time `json:"created_at"`
+}
+
+// InitLearnerTables creates the learner-specific tables.
+func (s *Store) InitLearnerTables() error {
+	queries := []string{
+		`CREATE TABLE IF NOT EXISTS user_profiles (
+			user_id INTEGER PRIMARY KEY,
+			total_trades INTEGER DEFAULT 0,
+			win_rate REAL DEFAULT 0,
+			avg_hold_time REAL DEFAULT 0,
+			preferred_side TEXT DEFAULT 'balanced',
+			risk_tolerance TEXT DEFAULT 'moderate',
+			favorite_symbols TEXT DEFAULT '',
+			avg_leverage REAL DEFAULT 1,
+			best_strategy TEXT DEFAULT '',
+			worst_strategy TEXT DEFAULT '',
+			total_pnl REAL DEFAULT 0,
+			biggest_win REAL DEFAULT 0,
+			biggest_loss REAL DEFAULT 0,
+			last_analyzed DATETIME
+		)`,
+		`CREATE TABLE IF NOT EXISTS lessons (
+			id INTEGER PRIMARY KEY AUTOINCREMENT,
+			user_id INTEGER NOT NULL,
+			type TEXT NOT NULL,
+			content TEXT NOT NULL,
+			symbol TEXT,
+			created_at DATETIME DEFAULT CURRENT_TIMESTAMP
+		)`,
+		`CREATE TABLE IF NOT EXISTS ai_predictions (
+			id INTEGER PRIMARY KEY AUTOINCREMENT,
+			symbol TEXT NOT NULL,
+			predicted_action TEXT NOT NULL,
+			predicted_confidence REAL,
+			actual_result TEXT,
+			actual_pnl REAL,
+			model TEXT,
+			created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+			resolved_at DATETIME
+		)`,
+		`CREATE INDEX IF NOT EXISTS idx_lessons_user ON lessons(user_id, type)`,
+		`CREATE INDEX IF NOT EXISTS idx_predictions_symbol ON ai_predictions(symbol, created_at)`,
+	}
+
+	for _, q := range queries {
+		if _, err := s.db.Exec(q); err != nil {
+			return fmt.Errorf("learner migration: %w", err)
+		}
+	}
+	return nil
+}
+
+// SaveLesson stores a trading lesson.
+func (s *Store) SaveLesson(userID int64, lessonType, content, symbol string) error {
+	_, err := s.db.Exec(
+		`INSERT INTO lessons (user_id, type, content, symbol) VALUES (?, ?, ?, ?)`,
+		userID, lessonType, content, symbol,
+	)
+	return err
+}
+
+// GetLessons retrieves lessons for a user.
+func (s *Store) GetLessons(userID int64, limit int) ([]Lesson, error) {
+	rows, err := s.db.Query(
+		`SELECT id, user_id, type, content, COALESCE(symbol,''), created_at
+		 FROM lessons WHERE user_id = ? ORDER BY created_at DESC LIMIT ?`,
+		userID, limit,
+	)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	var lessons []Lesson
+	for rows.Next() {
+		var l Lesson
+		if err := rows.Scan(&l.ID, &l.UserID, &l.Type, &l.Content, &l.Symbol, &l.CreatedAt); err != nil {
+			return nil, err
+		}
+		lessons = append(lessons, l)
+	}
+	return lessons, nil
+}
+
+// SavePrediction logs an AI prediction for later evaluation.
+func (s *Store) SavePrediction(symbol, action string, confidence float64, model string) (int64, error) {
+	res, err := s.db.Exec(
+		`INSERT INTO ai_predictions (symbol, predicted_action, predicted_confidence, model) VALUES (?, ?, ?, ?)`,
+		symbol, action, confidence, model,
+	)
+	if err != nil {
+		return 0, err
+	}
+	return res.LastInsertId()
+}
+
+// ResolvePrediction updates a prediction with the actual result.
+func (s *Store) ResolvePrediction(id int64, result string, pnl float64) error {
+	_, err := s.db.Exec(
+		`UPDATE ai_predictions SET actual_result = ?, actual_pnl = ?, resolved_at = ? WHERE id = ?`,
+		result, pnl, time.Now(), id,
+	)
+	return err
+}
+
+// GetPredictionAccuracy returns the accuracy of AI predictions.
+func (s *Store) GetPredictionAccuracy(model string) (total int, correct int, avgPnL float64, err error) {
+	var pnl sql.NullFloat64
+	err = s.db.QueryRow(
+		`SELECT COUNT(*), SUM(CASE WHEN actual_pnl > 0 THEN 1 ELSE 0 END), AVG(actual_pnl)
+		 FROM ai_predictions WHERE resolved_at IS NOT NULL AND (? = '' OR model = ?)`,
+		model, model,
+	).Scan(&total, &correct, &pnl)
+	if pnl.Valid {
+		avgPnL = pnl.Float64
+	}
+	return
+}
+
+// AnalyzeUserProfile builds a profile from trading history.
+func (s *Store) AnalyzeUserProfile(userID int64) (*UserProfile, error) {
+	trades, err := s.GetRecentTrades(1000)
+	if err != nil {
+		return nil, err
+	}
+
+	if len(trades) == 0 {
+		return &UserProfile{UserID: userID}, nil
+	}
+
+	profile := &UserProfile{
+		UserID:      userID,
+		TotalTrades: len(trades),
+	}
+
+	wins := 0
+	symbolCount := make(map[string]int)
+	var totalPnL, bigWin, bigLoss, totalLev float64
+	longCount, shortCount := 0, 0
+
+	for _, t := range trades {
+		totalPnL += t.PnL
+		if t.PnL > 0 {
+			wins++
+		}
+		if t.PnL > bigWin {
+			bigWin = t.PnL
+		}
+		if t.PnL < bigLoss {
+			bigLoss = t.PnL
+		}
+		symbolCount[t.Symbol]++
+		if t.Side == "long" || t.Side == "buy" {
+			longCount++
+		} else {
+			shortCount++
+		}
+	}
+
+	profile.WinRate = float64(wins) / float64(len(trades)) * 100
+	profile.TotalPnL = totalPnL
+	profile.BiggestWin = bigWin
+	profile.BiggestLoss = bigLoss
+	profile.AvgLeverage = totalLev / float64(len(trades))
+
+	if longCount > shortCount*2 {
+		profile.PreferredSide = "long"
+	} else if shortCount > longCount*2 {
+		profile.PreferredSide = "short"
+	} else {
+		profile.PreferredSide = "balanced"
+	}
+
+	// Top symbols
+	var favs []string
+	for sym := range symbolCount {
+		favs = append(favs, sym)
+	}
+	if len(favs) > 5 {
+		favs = favs[:5]
+	}
+	profile.FavoriteSymbols = favs
+
+	// Risk tolerance based on leverage and loss patterns
+	if profile.BiggestLoss < -500 || profile.AvgLeverage > 10 {
+		profile.RiskTolerance = "aggressive"
+	} else if profile.BiggestLoss < -100 || profile.AvgLeverage > 3 {
+		profile.RiskTolerance = "moderate"
+	} else {
+		profile.RiskTolerance = "conservative"
+	}
+
+	profile.LastAnalyzed = time.Now()
+	return profile, nil
+}
diff --git a/nofxi/internal/perception/news.go b/nofxi/internal/perception/news.go
new file mode 100644
index 00000000..fef77f82
--- /dev/null
+++ b/nofxi/internal/perception/news.go
@@ -0,0 +1,136 @@
+package perception
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"log/slog"
+	"net/http"
+	"strings"
+	"time"
+)
+
+// NewsItem represents a crypto news headline.
+type NewsItem struct {
+	Title     string    `json:"title"`
+	Source    string    `json:"source"`
+	URL       string    `json:"url"`
+	Sentiment string    `json:"sentiment"` // "bullish", "bearish", "neutral"
+	Symbols   []string  `json:"symbols"`   // Related symbols
+	Timestamp time.Time `json:"timestamp"`
+}
+
+// NewsMonitor fetches crypto news and detects sentiment shifts.
+type NewsMonitor struct {
+	httpClient *http.Client
+	logger     *slog.Logger
+	lastCheck  time.Time
+	seenURLs   map[string]bool
+}
+
+// NewNewsMonitor creates a new news monitor.
+func NewNewsMonitor(logger *slog.Logger) *NewsMonitor {
+	return &NewsMonitor{
+		httpClient: &http.Client{Timeout: 15 * time.Second},
+		logger:     logger,
+		seenURLs:   make(map[string]bool),
+	}
+}
+
+// FetchNews gets recent crypto news from CryptoCompare (free, no auth needed).
+func (n *NewsMonitor) FetchNews() ([]NewsItem, error) {
+	url := "https://min-api.cryptocompare.com/data/v2/news/?lang=EN&sortOrder=latest"
+	resp, err := n.httpClient.Get(url)
+	if err != nil {
+		return nil, fmt.Errorf("fetch news: %w", err)
+	}
+	defer resp.Body.Close()
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return nil, err
+	}
+
+	var result struct {
+		Data []struct {
+			Title      string `json:"title"`
+			Source     string `json:"source"`
+			URL        string `json:"url"`
+			Body       string `json:"body"`
+			Categories string `json:"categories"`
+			PublishedOn int64  `json:"published_on"`
+		} `json:"Data"`
+	}
+	if err := json.Unmarshal(body, &result); err != nil {
+		return nil, fmt.Errorf("parse news: %w", err)
+	}
+
+	var items []NewsItem
+	for _, d := range result.Data {
+		if n.seenURLs[d.URL] {
+			continue
+		}
+		n.seenURLs[d.URL] = true
+
+		item := NewsItem{
+			Title:     d.Title,
+			Source:    d.Source,
+			URL:       d.URL,
+			Sentiment: classifySentiment(d.Title + " " + d.Body),
+			Symbols:   extractSymbols(d.Title + " " + d.Categories),
+			Timestamp: time.Unix(d.PublishedOn, 0),
+		}
+		items = append(items, item)
+	}
+
+	// Keep seen URLs map from growing forever
+	if len(n.seenURLs) > 1000 {
+		n.seenURLs = make(map[string]bool)
+	}
+
+	n.lastCheck = time.Now()
+	return items, nil
+}
+
+// classifySentiment does basic keyword-based sentiment analysis.
+func classifySentiment(text string) string {
+	lower := strings.ToLower(text)
+
+	bullish := []string{"surge", "rally", "soar", "bullish", "breakout", "all-time high", "ath",
+		"pump", "moon", "gain", "rise", "uptrend", "buy signal", "accumulate", "adoption"}
+	bearish := []string{"crash", "dump", "plunge", "bearish", "sell-off", "selloff", "decline",
+		"drop", "fall", "liquidat", "hack", "exploit", "ban", "fraud", "scam", "risk"}
+
+	bullCount, bearCount := 0, 0
+	for _, w := range bullish {
+		if strings.Contains(lower, w) {
+			bullCount++
+		}
+	}
+	for _, w := range bearish {
+		if strings.Contains(lower, w) {
+			bearCount++
+		}
+	}
+
+	if bullCount > bearCount {
+		return "bullish"
+	}
+	if bearCount > bullCount {
+		return "bearish"
+	}
+	return "neutral"
+}
+
+// extractSymbols finds crypto symbols mentioned in text.
+func extractSymbols(text string) []string {
+	upper := strings.ToUpper(text)
+	known := []string{"BTC", "ETH", "SOL", "BNB", "XRP", "DOGE", "ADA", "AVAX", "DOT", "LINK", "MATIC", "UNI", "AAVE"}
+	var found []string
+	for _, s := range known {
+		if strings.Contains(upper, s) {
+			found = append(found, s)
+		}
+	}
+	return found
+}
diff --git a/nofxi/internal/perception/sentinel.go b/nofxi/internal/perception/sentinel.go
new file mode 100644
index 00000000..67d772ec
--- /dev/null
+++ b/nofxi/internal/perception/sentinel.go
@@ -0,0 +1,282 @@
+package perception
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"log/slog"
+	"math"
+	"net/http"
+	"strconv"
+	"sync"
+	"time"
+)
+
+// Signal types for proactive notifications.
+type SignalType string
+
+const (
+	SignalPriceBreakout  SignalType = "price_breakout"   // Sudden price move
+	SignalVolumeSpike    SignalType = "volume_spike"      // Abnormal volume
+	SignalFundingRate    SignalType = "funding_rate"      // Extreme funding rate
+	SignalLiquidation    SignalType = "liquidation_wave"  // Mass liquidations
+	SignalTrendReversal  SignalType = "trend_reversal"    // Potential reversal
+	SignalPositionRisk   SignalType = "position_risk"     // User's position at risk
+)
+
+// Signal is a proactive market event detected by the sentinel.
+type Signal struct {
+	Type      SignalType `json:"type"`
+	Symbol    string     `json:"symbol"`
+	Severity  string     `json:"severity"` // "info", "warning", "critical"
+	Title     string     `json:"title"`
+	Detail    string     `json:"detail"`
+	Price     float64    `json:"price"`
+	Change    float64    `json:"change"` // Percentage
+	Timestamp time.Time  `json:"timestamp"`
+}
+
+// SignalCallback is called when the sentinel detects something.
+type SignalCallback func(signal Signal)
+
+// Sentinel continuously monitors markets and detects anomalies.
+// This is the "eyes" of NOFXi — always watching, always analyzing.
+type Sentinel struct {
+	mu          sync.RWMutex
+	symbols     []string
+	history     map[string][]pricePoint // symbol → recent prices
+	onSignal    SignalCallback
+	httpClient  *http.Client
+	logger      *slog.Logger
+	stopCh      chan struct{}
+
+	// Thresholds
+	priceBreakoutPct float64 // Price move % to trigger alert (default 3%)
+	volumeSpikeMult  float64 // Volume multiplier vs average (default 3x)
+	fundingThreshold float64 // Extreme funding rate threshold (default 0.1%)
+}
+
+type pricePoint struct {
+	Price     float64
+	Volume    float64
+	Timestamp time.Time
+}
+
+// NewSentinel creates a new market sentinel.
+func NewSentinel(symbols []string, onSignal SignalCallback, logger *slog.Logger) *Sentinel {
+	return &Sentinel{
+		symbols:          symbols,
+		history:          make(map[string][]pricePoint),
+		onSignal:         onSignal,
+		httpClient:       &http.Client{Timeout: 10 * time.Second},
+		logger:           logger,
+		stopCh:           make(chan struct{}),
+		priceBreakoutPct: 3.0,
+		volumeSpikeMult:  3.0,
+		fundingThreshold: 0.1,
+	}
+}
+
+// Start begins the sentinel loop. Checks every 60 seconds.
+func (s *Sentinel) Start() {
+	go s.loop()
+	s.logger.Info("sentinel started", "symbols", s.symbols)
+}
+
+// Stop stops the sentinel.
+func (s *Sentinel) Stop() {
+	close(s.stopCh)
+}
+
+// AddSymbol adds a symbol to watch.
+func (s *Sentinel) AddSymbol(symbol string) {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	for _, sym := range s.symbols {
+		if sym == symbol {
+			return
+		}
+	}
+	s.symbols = append(s.symbols, symbol)
+}
+
+func (s *Sentinel) loop() {
+	ticker := time.NewTicker(60 * time.Second)
+	defer ticker.Stop()
+
+	// Initial scan
+	s.scan()
+
+	for {
+		select {
+		case <-s.stopCh:
+			return
+		case <-ticker.C:
+			s.scan()
+		}
+	}
+}
+
+func (s *Sentinel) scan() {
+	s.mu.RLock()
+	symbols := make([]string, len(s.symbols))
+	copy(symbols, s.symbols)
+	s.mu.RUnlock()
+
+	for _, sym := range symbols {
+		s.checkSymbol(sym)
+	}
+	s.checkFundingRates()
+}
+
+func (s *Sentinel) checkSymbol(symbol string) {
+	// Fetch current ticker
+	ticker, err := s.fetchTicker(symbol)
+	if err != nil {
+		return
+	}
+
+	price, _ := strconv.ParseFloat(ticker["lastPrice"].(string), 64)
+	volume, _ := strconv.ParseFloat(ticker["quoteVolume"].(string), 64)
+	changePct, _ := strconv.ParseFloat(ticker["priceChangePercent"].(string), 64)
+
+	now := time.Now()
+	point := pricePoint{Price: price, Volume: volume, Timestamp: now}
+
+	s.mu.Lock()
+	hist := s.history[symbol]
+	hist = append(hist, point)
+	// Keep last 60 points (1 hour at 1min intervals)
+	if len(hist) > 60 {
+		hist = hist[len(hist)-60:]
+	}
+	s.history[symbol] = hist
+	s.mu.Unlock()
+
+	// Need at least 5 data points to detect anomalies
+	if len(hist) < 5 {
+		return
+	}
+
+	// === Detect Price Breakout ===
+	// Compare current price to 5-minute-ago price
+	fiveAgo := hist[len(hist)-5]
+	pctMove := ((price - fiveAgo.Price) / fiveAgo.Price) * 100
+	if math.Abs(pctMove) >= s.priceBreakoutPct {
+		direction := "📈 上涨"
+		severity := "warning"
+		if pctMove < 0 {
+			direction = "📉 下跌"
+		}
+		if math.Abs(pctMove) >= s.priceBreakoutPct*2 {
+			severity = "critical"
+		}
+		s.emit(Signal{
+			Type:     SignalPriceBreakout,
+			Symbol:   symbol,
+			Severity: severity,
+			Title:    fmt.Sprintf("%s %s 急速%s %.1f%%", symbol, direction, map[bool]string{true: "拉升", false: "下跌"}[pctMove > 0], math.Abs(pctMove)),
+			Detail:   fmt.Sprintf("5分钟内从 $%.2f → $%.2f，变动 %.1f%%\n24h 涨跌: %.1f%%", fiveAgo.Price, price, pctMove, changePct),
+			Price:    price,
+			Change:   pctMove,
+		})
+	}
+
+	// === Detect Volume Spike ===
+	if len(hist) >= 10 {
+		var avgVol float64
+		for i := 0; i < len(hist)-1; i++ {
+			avgVol += hist[i].Volume
+		}
+		avgVol /= float64(len(hist) - 1)
+		if avgVol > 0 && volume > avgVol*s.volumeSpikeMult {
+			mult := volume / avgVol
+			s.emit(Signal{
+				Type:     SignalVolumeSpike,
+				Symbol:   symbol,
+				Severity: "warning",
+				Title:    fmt.Sprintf("%s 成交量异常放大 %.1fx", symbol, mult),
+				Detail:   fmt.Sprintf("当前成交量是平均值的 %.1f 倍\n价格: $%.2f (24h: %.1f%%)", mult, price, changePct),
+				Price:    price,
+				Change:   changePct,
+			})
+		}
+	}
+}
+
+func (s *Sentinel) checkFundingRates() {
+	url := "https://fapi.binance.com/fapi/v1/premiumIndex"
+	resp, err := s.httpClient.Get(url)
+	if err != nil {
+		return
+	}
+	defer resp.Body.Close()
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return
+	}
+
+	var indexes []map[string]interface{}
+	if err := json.Unmarshal(body, &indexes); err != nil {
+		return
+	}
+
+	s.mu.RLock()
+	watchSet := make(map[string]bool)
+	for _, sym := range s.symbols {
+		watchSet[sym] = true
+	}
+	s.mu.RUnlock()
+
+	for _, idx := range indexes {
+		symbol, _ := idx["symbol"].(string)
+		if !watchSet[symbol] {
+			continue
+		}
+		rateStr, _ := idx["lastFundingRate"].(string)
+		rate, _ := strconv.ParseFloat(rateStr, 64)
+		ratePct := rate * 100
+
+		if math.Abs(ratePct) >= s.fundingThreshold {
+			direction := "多头主导"
+			if ratePct < 0 {
+				direction = "空头主导"
+			}
+			s.emit(Signal{
+				Type:     SignalFundingRate,
+				Symbol:   symbol,
+				Severity: "info",
+				Title:    fmt.Sprintf("%s 资金费率异常: %.4f%%", symbol, ratePct),
+				Detail:   fmt.Sprintf("当前资金费率 %.4f%% (%s)\n极端费率可能预示反转", ratePct, direction),
+				Change:   ratePct,
+			})
+		}
+	}
+}
+
+func (s *Sentinel) fetchTicker(symbol string) (map[string]interface{}, error) {
+	url := fmt.Sprintf("https://fapi.binance.com/fapi/v1/ticker/24hr?symbol=%s", symbol)
+	resp, err := s.httpClient.Get(url)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+	body, _ := io.ReadAll(resp.Body)
+	var result map[string]interface{}
+	json.Unmarshal(body, &result)
+	return result, nil
+}
+
+func (s *Sentinel) emit(sig Signal) {
+	sig.Timestamp = time.Now()
+	s.logger.Info("signal detected",
+		"type", sig.Type,
+		"symbol", sig.Symbol,
+		"severity", sig.Severity,
+		"title", sig.Title,
+	)
+	if s.onSignal != nil {
+		s.onSignal(sig)
+	}
+}