feat: program accessor funcs

Author: jahvon

container.go

@@ -285,6 +285,10 @@ func (c *Container) Shutdown(finalizers ...func()) {
 	close(fin)
 }
 
+func (c *Container) Program() *Program {
+	return c.program
+}
+
 func (c *Container) Height() int {
 	c.stateMu.RLock()
 	defer c.stateMu.RUnlock()

program.go

@@ -31,6 +31,13 @@ func NewProgram(ctx context.Context, model tea.Model, in io.Reader, out io.Write
 	}
 }
 
+func (p *Program) SetTeaProgram(program *tea.Program) {
+	if p.started || p.suspended {
+		panic("cannot set program after it has started or suspended")
+	}
+	p.program = program
+}
+
 func (p *Program) Run() (tea.Model, error) {
 	if p.started || p.suspended {
 		return nil, fmt.Errorf("program already started")