feat: wire context store scaffolding and dht test skeleton

pkg/slurp/storage/cache_manager_noop.go

@@ -0,0 +1,46 @@
+package storage
+
+import (
+	"context"
+	"time"
+)
+
+// noopCacheManager satisfies CacheManager when external cache infrastructure is unavailable.
+type noopCacheManager struct{}
+
+// NewNoopCacheManager returns a cache manager that always misses and performs no persistence.
+func NewNoopCacheManager() CacheManager {
+	return &noopCacheManager{}
+}
+
+func (n *noopCacheManager) Get(ctx context.Context, key string) (interface{}, bool, error) {
+	return nil, false, nil
+}
+
+func (n *noopCacheManager) Set(ctx context.Context, key string, data interface{}, ttl time.Duration) error {
+	return nil
+}
+
+func (n *noopCacheManager) Delete(ctx context.Context, key string) error {
+	return nil
+}
+
+func (n *noopCacheManager) DeletePattern(ctx context.Context, pattern string) error {
+	return nil
+}
+
+func (n *noopCacheManager) Clear(ctx context.Context) error {
+	return nil
+}
+
+func (n *noopCacheManager) Warm(ctx context.Context, keys []string) error {
+	return nil
+}
+
+func (n *noopCacheManager) GetCacheStats() (*CacheStatistics, error) {
+	return &CacheStatistics{}, nil
+}
+
+func (n *noopCacheManager) SetCachePolicy(policy *CachePolicy) error {
+	return nil
+}