Refactor Knowledge struct into shared package

Moved the Knowledge struct and related types to the shared package, updating all references across the codebase. This improves modularity and enables better reuse of the Knowledge type across different components.

pkg/agents/console.go

@@ -24,13 +24,13 @@ type ConsoleConfig struct {
 	OnCommandDone  func(ctx context.Context, command string, output string, err error) error
 }
 
-func (a Agent) Console(ctx context.Context, questions []string, cfg ConsoleConfig) (Knowledge, string, error) {
+func (a Agent) Console(ctx context.Context, questions []string, cfg ConsoleConfig) (shared.Knowledge, string, error) {
 
 	if cfg.MaxCommands <= 0 {
 		cfg.MaxCommands = 10000
 	}
 
-	var resKnowledge = Knowledge{
+	var resKnowledge = shared.Knowledge{
 		OriginalQuestions:  questions,
 		RemainingQuestions: questions,
 	}