remove useless Build()

Author: ezynda3

README.md

@@ -113,8 +113,8 @@ node := flyt.NewNode().
         return flyt.R("done"), nil
     })
 
-// The Build() method is optional since NodeBuilder implements Node
-// node := flyt.NewNode().WithExecFunc(fn).Build()
+// NodeBuilder directly implements Node interface, so you can use it as-is
+// node := flyt.NewNode().WithExecFunc(fn)
 ```
 
 You can mix traditional and builder patterns:

builder.go

@@ -120,10 +120,3 @@ func (b *NodeBuilder) WithPostFuncAny(fn func(context.Context, *SharedStore, any
 	}
 	return b
 }
-
-// Build returns the configured Node.
-// This method is optional as NodeBuilder already implements Node,
-// but it provides explicit intent when ending the builder chain.
-func (b *NodeBuilder) Build() Node {
-	return b
-}

builder_test.go

@@ -226,8 +226,7 @@ func TestNodeBuilderChaining(t *testing.T) {
 				return flyt.NewNode().
 					WithExecFunc(func(ctx context.Context, prepResult flyt.Result) (flyt.Result, error) {
 						return flyt.R("built"), nil
-					}).
-					Build() // Explicitly call Build()
+					})
 			},
 			validate: func(t *testing.T, node flyt.Node) {
 				ctx := context.Background()

cookbook/agent/agent

@@ -97,8 +97,7 @@ Example responses:
 			}
 
 			return flyt.Action(action), nil
-		}).
-		Build()
+		})
 }
 
 // NewSearchWebNode creates a node that searches the web for information
@@ -141,8 +140,7 @@ func NewSearchWebNode(searcher Searcher) flyt.Node {
 			fmt.Println("📚 Found information, analyzing results...")
 
 			return "decide", nil
-		}).
-		Build()
+		})
 }
 
 // NewAnswerQuestionNode creates a node that generates the final answer
@@ -189,6 +187,5 @@ Provide a short concise answer using the research results.`, question, contextSt
 
 			// End the flow
 			return "done", nil
-		}).
-		Build()
+		})
 }

cookbook/agent/nodes.go

@@ -81,8 +81,7 @@ func CreateChatNode(llm *LLM) flyt.Node {
 			shared.Set("messages", messageList)
 
 			return "continue", nil
-		}).
-		Build()
+		})
 }
 
 func main() {

cookbook/chat/chat

@@ -61,8 +61,7 @@ func CreateStreamNode(llm *LLM) flyt.Node {
 			}
 
 			return flyt.DefaultAction, nil
-		}).
-		Build()
+		})
 }
 
 // CreateInteractiveChatFlow creates a flow that continuously prompts for input and streams responses
@@ -110,8 +109,7 @@ func CreateInteractiveChatFlow(llm *LLM) *flyt.Flow {
 			shared.Set("messages", messageList)
 
 			return "stream", nil
-		}).
-		Build()
+		})
 
 	// Create stream node
 	streamNode := CreateStreamNode(llm)