fix: remove redundant newlines and apply gofmt formatting

Change-Id: I0e3b7a87011ff7a6a2d1c00f456f4c36569576a2

adk/human-in-the-loop/5_supervisor/main.go

@@ -48,7 +48,8 @@ func main() {
 	query := "Check my checking account balance, and then transfer $500 from checking to savings account."
 	fmt.Println("\n========================================")
 	fmt.Println("User Query:", query)
-	fmt.Println("========================================\n")
+	fmt.Println("========================================")
+	fmt.Println()
 
 	iter := runner.Query(ctx, query, adk.WithCheckPointID("supervisor-1"))
 
@@ -88,7 +89,8 @@ func main() {
 
 		fmt.Println("\n========================================")
 		fmt.Println("Resuming execution...")
-		fmt.Println("========================================\n")
+		fmt.Println("========================================")
+		fmt.Println()
 
 		iter, err = runner.ResumeWithParams(ctx, "supervisor-1", &adk.ResumeParams{
 			Targets: map[string]any{

adk/human-in-the-loop/6_plan-execute-replan/main.go

@@ -51,7 +51,8 @@ Today is 2025-09-01.`
 
 	fmt.Println("\n========================================")
 	fmt.Println("User Query:", query)
-	fmt.Println("========================================\n")
+	fmt.Println("========================================")
+	fmt.Println()
 
 	iter := runner.Query(ctx, query, adk.WithCheckPointID("travel-plan-1"))
 
@@ -103,7 +104,8 @@ Today is 2025-09-01.`
 
 		fmt.Println("\n========================================")
 		fmt.Println("Resuming execution...")
-		fmt.Println("========================================\n")
+		fmt.Println("========================================")
+		fmt.Println()
 
 		iter, err = runner.ResumeWithParams(ctx, "travel-plan-1", &adk.ResumeParams{
 			Targets: map[string]any{

adk/human-in-the-loop/7_deep-agents/main.go

@@ -49,7 +49,8 @@ func main() {
 
 	fmt.Println("\n========================================")
 	fmt.Println("User Query:", query)
-	fmt.Println("========================================\n")
+	fmt.Println("========================================")
+	fmt.Println()
 
 	iter := runner.Query(ctx, query, adk.WithCheckPointID("deep-analysis-1"))
 
@@ -86,7 +87,8 @@ func main() {
 
 		fmt.Println("\n========================================")
 		fmt.Println("Resuming with your answers...")
-		fmt.Println("========================================\n")
+		fmt.Println("========================================")
+		fmt.Println()
 
 		iter, err = runner.ResumeWithParams(ctx, "deep-analysis-1", &adk.ResumeParams{
 			Targets: map[string]any{

adk/human-in-the-loop/8_supervisor-plan-execute/main.go

@@ -51,7 +51,8 @@ and assigning a team of Alice, Bob, and Charlie starting from 2025-02-01.`
 
 	fmt.Println("\n========================================")
 	fmt.Println("User Query:", query)
-	fmt.Println("========================================\n")
+	fmt.Println("========================================")
+	fmt.Println()
 
 	iter := runner.Query(ctx, query, adk.WithCheckPointID("project-setup-1"))
 
@@ -91,7 +92,8 @@ and assigning a team of Alice, Bob, and Charlie starting from 2025-02-01.`
 
 		fmt.Println("\n========================================")
 		fmt.Println("Resuming execution...")
-		fmt.Println("========================================\n")
+		fmt.Println("========================================")
+		fmt.Println()
 
 		iter, err = runner.ResumeWithParams(ctx, "project-setup-1", &adk.ResumeParams{
 			Targets: map[string]any{