type StorageAccessor interface {
    Get(key string) (string, bool)
    Set(key, value string) error
    Delete(key string) error
    Keys() []string
    Clear() error
}

// Integer storage
count, ok := ctx.StorageInt("counter")  // (int64, bool)

// Boolean storage
enabled, ok := ctx.StorageBool("enabled")  // (bool, bool)

// JSON storage (marshal/unmarshal)
ctx.StorageJSON("config", map[string]any{"theme": "dark"})

// JSON retrieval
var cfg map[string]any
ctx.StorageGetJSON("config", &cfg)

func (p *MyPlugin) Activate(ctx plugin.PluginContext) error {
    // Read a counter
    count, _ := ctx.StorageInt("call_count")
    count++
    
    // Store it back
    ctx.Storage().Set("call_count", strconv.FormatInt(count, 10))
    
    // Store structured data
    ctx.StorageJSON("last_run", map[string]any{
        "timestamp": time.Now().Unix(),
        "workDir":   ctx.WorkingDir(),
    })
    
    return nil
}