feat: full project sync - CI fixes, frontend, workspace API, and all changes

workspace/rate_limiter.go

@@ -0,0 +1,43 @@
+package workspace
+
+import (
+	"sync"
+	"time"
+)
+
+type rateLimiter struct {
+	mu       sync.Mutex
+	limit    int
+	window   time.Duration
+	attempts map[string][]time.Time
+}
+
+func newRateLimiter(limit int, window time.Duration) *rateLimiter {
+	return &rateLimiter{
+		limit:    limit,
+		window:   window,
+		attempts: make(map[string][]time.Time),
+	}
+}
+
+func (l *rateLimiter) allow(key string) bool {
+	l.mu.Lock()
+	defer l.mu.Unlock()
+
+	now := time.Now()
+	cutoff := now.Add(-l.window)
+	values := l.attempts[key]
+	kept := values[:0]
+	for _, value := range values {
+		if value.After(cutoff) {
+			kept = append(kept, value)
+		}
+	}
+	if len(kept) >= l.limit {
+		l.attempts[key] = kept
+		return false
+	}
+	kept = append(kept, now)
+	l.attempts[key] = kept
+	return true
+}