diff --git a/functions/tui/clear_screen.go b/functions/tui/clear_screen.go
new file mode 100644
index 00000000..4cde4ceb
--- /dev/null
+++ b/functions/tui/clear_screen.go
@@ -0,0 +1,8 @@
+package tui
+
+// Implementation: github.com/lucasdataproyects/devfactory/tui
+
+// ClearScreen devuelve el codigo de escape ANSI para limpiar la pantalla del terminal.
+func ClearScreen() string {
+	return "\033[2J\033[H"
+}
diff --git a/functions/tui/clear_screen.md b/functions/tui/clear_screen.md
new file mode 100644
index 00000000..c788a55e
--- /dev/null
+++ b/functions/tui/clear_screen.md
@@ -0,0 +1,32 @@
+---
+name: clear_screen
+kind: function
+lang: go
+domain: tui
+version: "1.0.0"
+purity: pure
+signature: "func ClearScreen() string"
+description: "Devuelve el codigo de escape ANSI para limpiar la pantalla del terminal."
+tags: [tui, ansi, terminal, screen]
+uses_functions: []
+uses_types: []
+returns: []
+returns_optional: false
+error_type: ""
+imports: []
+tested: false
+tests: []
+test_file_path: ""
+file_path: "functions/tui/clear_screen.go"
+---
+
+## Ejemplo
+
+```go
+fmt.Print(ClearScreen())
+// Limpia toda la pantalla y mueve el cursor a la posicion inicial
+```
+
+## Notas
+
+Combina ESC[2J (borrar pantalla completa) con ESC[H (mover cursor a home). No tiene side effects: solo devuelve el string ANSI.
diff --git a/functions/tui/confirm_prompt.go b/functions/tui/confirm_prompt.go
new file mode 100644
index 00000000..0c6ba041
--- /dev/null
+++ b/functions/tui/confirm_prompt.go
@@ -0,0 +1,9 @@
+package tui
+
+// Implementation: github.com/lucasdataproyects/devfactory/tui
+
+// Confirm muestra un dialogo de confirmacion Si/No en terminal y devuelve la eleccion del usuario.
+func Confirm(prompt string) Result[bool] {
+	// stub — implementation in devfactory/tui
+	return Result[bool]{Value: false}
+}
diff --git a/functions/tui/confirm_prompt.md b/functions/tui/confirm_prompt.md
new file mode 100644
index 00000000..45fbee18
--- /dev/null
+++ b/functions/tui/confirm_prompt.md
@@ -0,0 +1,37 @@
+---
+name: confirm_prompt
+kind: function
+lang: go
+domain: tui
+version: "1.0.0"
+purity: impure
+signature: "func Confirm(prompt string) core.Result[bool]"
+description: "Muestra un dialogo de confirmacion Si/No en terminal y devuelve la eleccion del usuario."
+tags: [tui, confirm, prompt, interactive]
+uses_functions: []
+uses_types: [result_go_core]
+returns: [result_go_core]
+returns_optional: false
+error_type: "error_go_core"
+imports: []
+tested: false
+tests: []
+test_file_path: ""
+file_path: "functions/tui/confirm_prompt.go"
+---
+
+## Ejemplo
+
+```go
+result := tui.Confirm("¿Deseas continuar?")
+if result.IsErr() {
+    log.Fatal(result.Error())
+}
+if result.Unwrap() {
+    fmt.Println("Confirmado")
+}
+```
+
+## Notas
+
+Implementacion real en github.com/lucasdataproyects/devfactory/tui. Este stub existe para documentar la firma y mantener el registry.
diff --git a/functions/tui/dark_styles.go b/functions/tui/dark_styles.go
new file mode 100644
index 00000000..5e81b71d
--- /dev/null
+++ b/functions/tui/dark_styles.go
@@ -0,0 +1,9 @@
+package tui
+
+// Implementation: github.com/lucasdataproyects/devfactory/tui
+
+// DarkStyles crea estilos oscuros usando el tema dark.
+func DarkStyles() Styles {
+	// stub — implementation in devfactory/tui
+	return Styles{}
+}
diff --git a/functions/tui/dark_styles.md b/functions/tui/dark_styles.md
new file mode 100644
index 00000000..863ca3ff
--- /dev/null
+++ b/functions/tui/dark_styles.md
@@ -0,0 +1,32 @@
+---
+name: dark_styles
+kind: function
+lang: go
+domain: tui
+version: "1.0.0"
+purity: pure
+signature: "func DarkStyles() Styles"
+description: "Construye estilos oscuros combinando DarkTheme con NewStyles. Atajo conveniente para terminales con fondo negro."
+tags: [tui, styles, dark, constructor]
+uses_functions: []
+uses_types: []
+returns: [styles_go_tui]
+returns_optional: false
+error_type: ""
+imports: []
+tested: false
+tests: []
+test_file_path: ""
+file_path: "functions/tui/dark_styles.go"
+---
+
+## Ejemplo
+
+```go
+styles := DarkStyles()
+model := NewProgressWithStyles(100.0, "Compilando", styles)
+```
+
+## Notas
+
+Equivalente a NewStyles(DarkTheme()). Usa esta funcion para aplicaciones TUI en terminales oscuras.
diff --git a/functions/tui/dark_theme.go b/functions/tui/dark_theme.go
new file mode 100644
index 00000000..d085ee35
--- /dev/null
+++ b/functions/tui/dark_theme.go
@@ -0,0 +1,9 @@
+package tui
+
+// Implementation: github.com/lucasdataproyects/devfactory/tui
+
+// DarkTheme crea un tema de colores oscuro.
+func DarkTheme() Theme {
+	// stub — implementation in devfactory/tui
+	return Theme{}
+}
diff --git a/functions/tui/dark_theme.md b/functions/tui/dark_theme.md
new file mode 100644
index 00000000..e32ebefe
--- /dev/null
+++ b/functions/tui/dark_theme.md
@@ -0,0 +1,32 @@
+---
+name: dark_theme
+kind: function
+lang: go
+domain: tui
+version: "1.0.0"
+purity: pure
+signature: "func DarkTheme() Theme"
+description: "Construye un tema de colores oscuro para componentes TUI. Paleta optimizada para terminales con fondo negro."
+tags: [tui, theme, colors, dark, constructor]
+uses_functions: []
+uses_types: []
+returns: [theme_go_tui]
+returns_optional: false
+error_type: ""
+imports: []
+tested: false
+tests: []
+test_file_path: ""
+file_path: "functions/tui/dark_theme.go"
+---
+
+## Ejemplo
+
+```go
+theme := DarkTheme()
+styles := NewStyles(theme)
+```
+
+## Notas
+
+Alternativa oscura al DefaultTheme. Colores de alto contraste para fondos negros.
diff --git a/functions/tui/default_styles.go b/functions/tui/default_styles.go
new file mode 100644
index 00000000..d9d07849
--- /dev/null
+++ b/functions/tui/default_styles.go
@@ -0,0 +1,9 @@
+package tui
+
+// Implementation: github.com/lucasdataproyects/devfactory/tui
+
+// DefaultStyles crea estilos por defecto usando el tema base.
+func DefaultStyles() Styles {
+	// stub — implementation in devfactory/tui
+	return Styles{}
+}
diff --git a/functions/tui/default_styles.md b/functions/tui/default_styles.md
new file mode 100644
index 00000000..437cd630
--- /dev/null
+++ b/functions/tui/default_styles.md
@@ -0,0 +1,32 @@
+---
+name: default_styles
+kind: function
+lang: go
+domain: tui
+version: "1.0.0"
+purity: pure
+signature: "func DefaultStyles() Styles"
+description: "Construye estilos por defecto combinando DefaultTheme con NewStyles. Atajo conveniente para el caso comun."
+tags: [tui, styles, constructor]
+uses_functions: []
+uses_types: []
+returns: [styles_go_tui]
+returns_optional: false
+error_type: ""
+imports: []
+tested: false
+tests: []
+test_file_path: ""
+file_path: "functions/tui/default_styles.go"
+---
+
+## Ejemplo
+
+```go
+styles := DefaultStyles()
+model := NewSpinnerWithStyle("Cargando...", styles)
+```
+
+## Notas
+
+Equivalente a NewStyles(DefaultTheme()). Usa esta funcion cuando no necesitas personalizar el tema.
diff --git a/functions/tui/default_theme.go b/functions/tui/default_theme.go
new file mode 100644
index 00000000..c3c62b17
--- /dev/null
+++ b/functions/tui/default_theme.go
@@ -0,0 +1,9 @@
+package tui
+
+// Implementation: github.com/lucasdataproyects/devfactory/tui
+
+// DefaultTheme crea el tema de colores por defecto.
+func DefaultTheme() Theme {
+	// stub — implementation in devfactory/tui
+	return Theme{}
+}
diff --git a/functions/tui/default_theme.md b/functions/tui/default_theme.md
new file mode 100644
index 00000000..adf5f72f
--- /dev/null
+++ b/functions/tui/default_theme.md
@@ -0,0 +1,32 @@
+---
+name: default_theme
+kind: function
+lang: go
+domain: tui
+version: "1.0.0"
+purity: pure
+signature: "func DefaultTheme() Theme"
+description: "Construye el tema de colores por defecto para componentes TUI. Paleta clara optimizada para terminales con fondo blanco."
+tags: [tui, theme, colors, constructor]
+uses_functions: []
+uses_types: []
+returns: [theme_go_tui]
+returns_optional: false
+error_type: ""
+imports: []
+tested: false
+tests: []
+test_file_path: ""
+file_path: "functions/tui/default_theme.go"
+---
+
+## Ejemplo
+
+```go
+theme := DefaultTheme()
+styles := NewStyles(theme)
+```
+
+## Notas
+
+Tema base del sistema de estilos. Usar DarkTheme para terminales con fondo oscuro.
diff --git a/functions/tui/hide_cursor.go b/functions/tui/hide_cursor.go
new file mode 100644
index 00000000..7b9e80ef
--- /dev/null
+++ b/functions/tui/hide_cursor.go
@@ -0,0 +1,8 @@
+package tui
+
+// Implementation: github.com/lucasdataproyects/devfactory/tui
+
+// HideCursor devuelve el codigo de escape ANSI para ocultar el cursor del terminal.
+func HideCursor() string {
+	return "\033[?25l"
+}
diff --git a/functions/tui/hide_cursor.md b/functions/tui/hide_cursor.md
new file mode 100644
index 00000000..423d8ca2
--- /dev/null
+++ b/functions/tui/hide_cursor.md
@@ -0,0 +1,32 @@
+---
+name: hide_cursor
+kind: function
+lang: go
+domain: tui
+version: "1.0.0"
+purity: pure
+signature: "func HideCursor() string"
+description: "Devuelve el codigo de escape ANSI para ocultar el cursor del terminal."
+tags: [tui, ansi, terminal, cursor]
+uses_functions: []
+uses_types: []
+returns: []
+returns_optional: false
+error_type: ""
+imports: []
+tested: false
+tests: []
+test_file_path: ""
+file_path: "functions/tui/hide_cursor.go"
+---
+
+## Ejemplo
+
+```go
+fmt.Print(HideCursor())
+// Oculta el cursor del terminal usando DECTCEM
+```
+
+## Notas
+
+Usa la secuencia DECTCEM (ESC[?25l) del estandar VT220. Recordar restaurar el cursor con ShowCursor al finalizar la aplicacion.
diff --git a/functions/tui/new_base_model.go b/functions/tui/new_base_model.go
new file mode 100644
index 00000000..bcbb1fec
--- /dev/null
+++ b/functions/tui/new_base_model.go
@@ -0,0 +1,9 @@
+package tui
+
+// Implementation: github.com/lucasdataproyects/devfactory/tui
+
+// NewBaseModel crea un modelo base con configuracion por defecto.
+func NewBaseModel() BaseModel {
+	// stub — implementation in devfactory/tui
+	return BaseModel{}
+}
diff --git a/functions/tui/new_base_model.md b/functions/tui/new_base_model.md
new file mode 100644
index 00000000..66e35c08
--- /dev/null
+++ b/functions/tui/new_base_model.md
@@ -0,0 +1,31 @@
+---
+name: new_base_model
+kind: function
+lang: go
+domain: tui
+version: "1.0.0"
+purity: pure
+signature: "func NewBaseModel() BaseModel"
+description: "Construye un modelo base con dimensiones de terminal y estilos por defecto. Sirve como fundacion para componer modelos mas complejos."
+tags: [tui, base, constructor]
+uses_functions: []
+uses_types: []
+returns: [base_model_go_tui]
+returns_optional: false
+error_type: ""
+imports: []
+tested: false
+tests: []
+test_file_path: ""
+file_path: "functions/tui/new_base_model.go"
+---
+
+## Ejemplo
+
+```go
+base := NewBaseModel()
+```
+
+## Notas
+
+Modelo raiz que encapsula estado comun (dimensiones, estilos, keybindings) compartido por todos los componentes TUI.
diff --git a/functions/tui/new_confirm.go b/functions/tui/new_confirm.go
new file mode 100644
index 00000000..56cf18da
--- /dev/null
+++ b/functions/tui/new_confirm.go
@@ -0,0 +1,9 @@
+package tui
+
+// Implementation: github.com/lucasdataproyects/devfactory/tui
+
+// NewConfirm crea un modelo de dialogo de confirmacion si/no.
+func NewConfirm(prompt string) ConfirmModel {
+	// stub — implementation in devfactory/tui
+	return ConfirmModel{}
+}
diff --git a/functions/tui/new_confirm.md b/functions/tui/new_confirm.md
new file mode 100644
index 00000000..7165a74b
--- /dev/null
+++ b/functions/tui/new_confirm.md
@@ -0,0 +1,31 @@
+---
+name: new_confirm
+kind: function
+lang: go
+domain: tui
+version: "1.0.0"
+purity: pure
+signature: "func NewConfirm(prompt string) ConfirmModel"
+description: "Construye un modelo de dialogo de confirmacion con una pregunta si/no."
+tags: [tui, confirm, dialog, constructor]
+uses_functions: []
+uses_types: []
+returns: [confirm_model_go_tui]
+returns_optional: false
+error_type: ""
+imports: []
+tested: false
+tests: []
+test_file_path: ""
+file_path: "functions/tui/new_confirm.go"
+---
+
+## Ejemplo
+
+```go
+model := NewConfirm("Deseas continuar?")
+```
+
+## Notas
+
+Dialogo binario si/no. El resultado se obtiene del modelo tras la interaccion del usuario en el loop de Bubble Tea.
diff --git a/functions/tui/new_filtered_list.go b/functions/tui/new_filtered_list.go
new file mode 100644
index 00000000..776af71b
--- /dev/null
+++ b/functions/tui/new_filtered_list.go
@@ -0,0 +1,9 @@
+package tui
+
+// Implementation: github.com/lucasdataproyects/devfactory/tui
+
+// NewFilteredList crea un modelo de lista con filtrado por texto.
+func NewFilteredList(items []ListItem, placeholder string) FilteredListModel {
+	// stub — implementation in devfactory/tui
+	return FilteredListModel{}
+}
diff --git a/functions/tui/new_filtered_list.md b/functions/tui/new_filtered_list.md
new file mode 100644
index 00000000..f26b7acd
--- /dev/null
+++ b/functions/tui/new_filtered_list.md
@@ -0,0 +1,35 @@
+---
+name: new_filtered_list
+kind: function
+lang: go
+domain: tui
+version: "1.0.0"
+purity: pure
+signature: "func NewFilteredList(items []ListItem, placeholder string) FilteredListModel"
+description: "Construye un modelo de lista con campo de busqueda integrado. El placeholder se muestra en el input de filtro cuando esta vacio."
+tags: [tui, list, filter, constructor]
+uses_functions: []
+uses_types: [list_item_go_tui]
+returns: [filtered_list_model_go_tui]
+returns_optional: false
+error_type: ""
+imports: []
+tested: false
+tests: []
+test_file_path: ""
+file_path: "functions/tui/new_filtered_list.go"
+---
+
+## Ejemplo
+
+```go
+items := []ListItem{
+    {Title: "main.go", Description: "Punto de entrada"},
+    {Title: "server.go", Description: "Servidor HTTP"},
+}
+model := NewFilteredList(items, "Buscar archivo...")
+```
+
+## Notas
+
+Incluye un input de texto que filtra los items en tiempo real por coincidencia parcial.
diff --git a/functions/tui/new_list.go b/functions/tui/new_list.go
new file mode 100644
index 00000000..66899437
--- /dev/null
+++ b/functions/tui/new_list.go
@@ -0,0 +1,9 @@
+package tui
+
+// Implementation: github.com/lucasdataproyects/devfactory/tui
+
+// NewList crea un modelo de lista simple a partir de items.
+func NewList(items []ListItem) ListModel {
+	// stub — implementation in devfactory/tui
+	return ListModel{}
+}
diff --git a/functions/tui/new_list.md b/functions/tui/new_list.md
new file mode 100644
index 00000000..4b4c66fd
--- /dev/null
+++ b/functions/tui/new_list.md
@@ -0,0 +1,35 @@
+---
+name: new_list
+kind: function
+lang: go
+domain: tui
+version: "1.0.0"
+purity: pure
+signature: "func NewList(items []ListItem) ListModel"
+description: "Construye un modelo de lista simple a partir de una coleccion de items. Cada item se renderiza como una fila seleccionable."
+tags: [tui, list, constructor]
+uses_functions: []
+uses_types: [list_item_go_tui]
+returns: [list_model_go_tui]
+returns_optional: false
+error_type: ""
+imports: []
+tested: false
+tests: []
+test_file_path: ""
+file_path: "functions/tui/new_list.go"
+---
+
+## Ejemplo
+
+```go
+items := []ListItem{
+    {Title: "Opcion 1", Description: "Primera opcion"},
+    {Title: "Opcion 2", Description: "Segunda opcion"},
+}
+model := NewList(items)
+```
+
+## Notas
+
+Constructor puro para listas de seleccion simple. No permite seleccion multiple — usar NewMultiList para eso.
diff --git a/functions/tui/new_multi_list.go b/functions/tui/new_multi_list.go
new file mode 100644
index 00000000..371b8ac0
--- /dev/null
+++ b/functions/tui/new_multi_list.go
@@ -0,0 +1,9 @@
+package tui
+
+// Implementation: github.com/lucasdataproyects/devfactory/tui
+
+// NewMultiList crea un modelo de lista con seleccion multiple.
+func NewMultiList(items []ListItem) ListModel {
+	// stub — implementation in devfactory/tui
+	return ListModel{}
+}
diff --git a/functions/tui/new_multi_list.md b/functions/tui/new_multi_list.md
new file mode 100644
index 00000000..2732dbb3
--- /dev/null
+++ b/functions/tui/new_multi_list.md
@@ -0,0 +1,36 @@
+---
+name: new_multi_list
+kind: function
+lang: go
+domain: tui
+version: "1.0.0"
+purity: pure
+signature: "func NewMultiList(items []ListItem) ListModel"
+description: "Construye un modelo de lista con seleccion multiple. Permite al usuario marcar varios items antes de confirmar."
+tags: [tui, list, multi, constructor]
+uses_functions: []
+uses_types: [list_item_go_tui]
+returns: [list_model_go_tui]
+returns_optional: false
+error_type: ""
+imports: []
+tested: false
+tests: []
+test_file_path: ""
+file_path: "functions/tui/new_multi_list.go"
+---
+
+## Ejemplo
+
+```go
+items := []ListItem{
+    {Title: "Go", Description: "Lenguaje compilado"},
+    {Title: "Python", Description: "Lenguaje interpretado"},
+    {Title: "Rust", Description: "Lenguaje de sistemas"},
+}
+model := NewMultiList(items)
+```
+
+## Notas
+
+Variante de lista que habilita seleccion multiple con toggles por item.
diff --git a/functions/tui/new_multi_progress.go b/functions/tui/new_multi_progress.go
new file mode 100644
index 00000000..fd0d8278
--- /dev/null
+++ b/functions/tui/new_multi_progress.go
@@ -0,0 +1,9 @@
+package tui
+
+// Implementation: github.com/lucasdataproyects/devfactory/tui
+
+// NewMultiProgress crea un modelo de progreso multiple sin barras iniciales.
+func NewMultiProgress() MultiProgressModel {
+	// stub — implementation in devfactory/tui
+	return MultiProgressModel{}
+}
diff --git a/functions/tui/new_multi_progress.md b/functions/tui/new_multi_progress.md
new file mode 100644
index 00000000..0f71756d
--- /dev/null
+++ b/functions/tui/new_multi_progress.md
@@ -0,0 +1,31 @@
+---
+name: new_multi_progress
+kind: function
+lang: go
+domain: tui
+version: "1.0.0"
+purity: pure
+signature: "func NewMultiProgress() MultiProgressModel"
+description: "Construye un modelo de progreso multiple vacio. Las barras individuales se agregan posteriormente via mensajes."
+tags: [tui, progress, multi, constructor]
+uses_functions: []
+uses_types: []
+returns: [multi_progress_model_go_tui]
+returns_optional: false
+error_type: ""
+imports: []
+tested: false
+tests: []
+test_file_path: ""
+file_path: "functions/tui/new_multi_progress.go"
+---
+
+## Ejemplo
+
+```go
+model := NewMultiProgress()
+```
+
+## Notas
+
+Inicia sin barras. Cada barra se agrega dinamicamente via el loop de Bubble Tea, ideal para descargas paralelas o tareas concurrentes.
diff --git a/functions/tui/new_progress.go b/functions/tui/new_progress.go
new file mode 100644
index 00000000..63cff4b5
--- /dev/null
+++ b/functions/tui/new_progress.go
@@ -0,0 +1,9 @@
+package tui
+
+// Implementation: github.com/lucasdataproyects/devfactory/tui
+
+// NewProgress crea un modelo de barra de progreso.
+func NewProgress(total float64, label string) ProgressModel {
+	// stub — implementation in devfactory/tui
+	return ProgressModel{}
+}
diff --git a/functions/tui/new_progress.md b/functions/tui/new_progress.md
new file mode 100644
index 00000000..d28e3a24
--- /dev/null
+++ b/functions/tui/new_progress.md
@@ -0,0 +1,31 @@
+---
+name: new_progress
+kind: function
+lang: go
+domain: tui
+version: "1.0.0"
+purity: pure
+signature: "func NewProgress(total float64, label string) ProgressModel"
+description: "Construye un modelo de barra de progreso con valor total y etiqueta descriptiva."
+tags: [tui, progress, constructor]
+uses_functions: []
+uses_types: []
+returns: [progress_model_go_tui]
+returns_optional: false
+error_type: ""
+imports: []
+tested: false
+tests: []
+test_file_path: ""
+file_path: "functions/tui/new_progress.go"
+---
+
+## Ejemplo
+
+```go
+model := NewProgress(100.0, "Descargando archivos")
+```
+
+## Notas
+
+El progreso inicia en 0. El avance se actualiza via mensajes en el loop de Bubble Tea.
diff --git a/functions/tui/new_progress_with_styles.go b/functions/tui/new_progress_with_styles.go
new file mode 100644
index 00000000..f5b00c38
--- /dev/null
+++ b/functions/tui/new_progress_with_styles.go
@@ -0,0 +1,9 @@
+package tui
+
+// Implementation: github.com/lucasdataproyects/devfactory/tui
+
+// NewProgressWithStyles crea un modelo de barra de progreso con estilos personalizados.
+func NewProgressWithStyles(total float64, label string, styles Styles) ProgressModel {
+	// stub — implementation in devfactory/tui
+	return ProgressModel{}
+}
diff --git a/functions/tui/new_progress_with_styles.md b/functions/tui/new_progress_with_styles.md
new file mode 100644
index 00000000..1ba6f8c7
--- /dev/null
+++ b/functions/tui/new_progress_with_styles.md
@@ -0,0 +1,32 @@
+---
+name: new_progress_with_styles
+kind: function
+lang: go
+domain: tui
+version: "1.0.0"
+purity: pure
+signature: "func NewProgressWithStyles(total float64, label string, styles Styles) ProgressModel"
+description: "Construye un modelo de barra de progreso con valor total, etiqueta y estilos visuales personalizados."
+tags: [tui, progress, styles, constructor]
+uses_functions: []
+uses_types: [styles_go_tui]
+returns: [progress_model_go_tui]
+returns_optional: false
+error_type: ""
+imports: []
+tested: false
+tests: []
+test_file_path: ""
+file_path: "functions/tui/new_progress_with_styles.go"
+---
+
+## Ejemplo
+
+```go
+styles := DarkStyles()
+model := NewProgressWithStyles(50.0, "Indexando", styles)
+```
+
+## Notas
+
+Variante de NewProgress que permite personalizar la apariencia de la barra mediante Styles.
diff --git a/functions/tui/new_spinner.go b/functions/tui/new_spinner.go
new file mode 100644
index 00000000..d9883a65
--- /dev/null
+++ b/functions/tui/new_spinner.go
@@ -0,0 +1,9 @@
+package tui
+
+// Implementation: github.com/lucasdataproyects/devfactory/tui
+
+// NewSpinner crea un modelo de spinner con un mensaje.
+func NewSpinner(message string) SpinnerModel {
+	// stub — implementation in devfactory/tui
+	return SpinnerModel{}
+}
diff --git a/functions/tui/new_spinner.md b/functions/tui/new_spinner.md
new file mode 100644
index 00000000..fd64da9f
--- /dev/null
+++ b/functions/tui/new_spinner.md
@@ -0,0 +1,31 @@
+---
+name: new_spinner
+kind: function
+lang: go
+domain: tui
+version: "1.0.0"
+purity: pure
+signature: "func NewSpinner(message string) SpinnerModel"
+description: "Construye un modelo de spinner basico con un mensaje descriptivo. Usa el estilo por defecto."
+tags: [tui, spinner, constructor]
+uses_functions: []
+uses_types: []
+returns: [spinner_model_go_tui]
+returns_optional: false
+error_type: ""
+imports: []
+tested: false
+tests: []
+test_file_path: ""
+file_path: "functions/tui/new_spinner.go"
+---
+
+## Ejemplo
+
+```go
+model := NewSpinner("Cargando datos...")
+```
+
+## Notas
+
+Spinner con estilos por defecto. Para personalizar apariencia, usar NewSpinnerWithStyle.
diff --git a/functions/tui/new_spinner_with_style.go b/functions/tui/new_spinner_with_style.go
new file mode 100644
index 00000000..43991679
--- /dev/null
+++ b/functions/tui/new_spinner_with_style.go
@@ -0,0 +1,9 @@
+package tui
+
+// Implementation: github.com/lucasdataproyects/devfactory/tui
+
+// NewSpinnerWithStyle crea un modelo de spinner con estilos personalizados.
+func NewSpinnerWithStyle(message string, styles Styles) SpinnerModel {
+	// stub — implementation in devfactory/tui
+	return SpinnerModel{}
+}
diff --git a/functions/tui/new_spinner_with_style.md b/functions/tui/new_spinner_with_style.md
new file mode 100644
index 00000000..a6a48231
--- /dev/null
+++ b/functions/tui/new_spinner_with_style.md
@@ -0,0 +1,33 @@
+---
+name: new_spinner_with_style
+kind: function
+lang: go
+domain: tui
+version: "1.0.0"
+purity: pure
+signature: "func NewSpinnerWithStyle(message string, styles Styles) SpinnerModel"
+description: "Construye un modelo de spinner con mensaje y estilos visuales personalizados."
+tags: [tui, spinner, styles, constructor]
+uses_functions: []
+uses_types: [styles_go_tui]
+returns: [spinner_model_go_tui]
+returns_optional: false
+error_type: ""
+imports: []
+tested: false
+tests: []
+test_file_path: ""
+file_path: "functions/tui/new_spinner_with_style.go"
+---
+
+## Ejemplo
+
+```go
+theme := DarkTheme()
+styles := NewStyles(theme)
+model := NewSpinnerWithStyle("Procesando...", styles)
+```
+
+## Notas
+
+Permite controlar colores y bordes del spinner mediante el sistema de estilos del registry.
diff --git a/functions/tui/new_spinner_with_timeout.go b/functions/tui/new_spinner_with_timeout.go
new file mode 100644
index 00000000..5bb89b8e
--- /dev/null
+++ b/functions/tui/new_spinner_with_timeout.go
@@ -0,0 +1,11 @@
+package tui
+
+import "time"
+
+// Implementation: github.com/lucasdataproyects/devfactory/tui
+
+// NewSpinnerWithTimeout crea un modelo de spinner que se cancela tras un timeout.
+func NewSpinnerWithTimeout(message string, timeout time.Duration) SpinnerWithTimeoutModel {
+	// stub — implementation in devfactory/tui
+	return SpinnerWithTimeoutModel{}
+}
diff --git a/functions/tui/new_spinner_with_timeout.md b/functions/tui/new_spinner_with_timeout.md
new file mode 100644
index 00000000..d8229f3d
--- /dev/null
+++ b/functions/tui/new_spinner_with_timeout.md
@@ -0,0 +1,31 @@
+---
+name: new_spinner_with_timeout
+kind: function
+lang: go
+domain: tui
+version: "1.0.0"
+purity: pure
+signature: "func NewSpinnerWithTimeout(message string, timeout time.Duration) SpinnerWithTimeoutModel"
+description: "Construye un modelo de spinner con limite de tiempo. Si la operacion excede el timeout, el spinner se detiene automaticamente."
+tags: [tui, spinner, timeout, constructor]
+uses_functions: []
+uses_types: []
+returns: [spinner_with_timeout_model_go_tui]
+returns_optional: false
+error_type: ""
+imports: [time]
+tested: false
+tests: []
+test_file_path: ""
+file_path: "functions/tui/new_spinner_with_timeout.go"
+---
+
+## Ejemplo
+
+```go
+model := NewSpinnerWithTimeout("Esperando respuesta...", 30*time.Second)
+```
+
+## Notas
+
+El timeout es configuracion pura — el side effect de cancelar ocurre en el runtime de Bubble Tea, no en el constructor.
diff --git a/functions/tui/new_styles.go b/functions/tui/new_styles.go
new file mode 100644
index 00000000..0728c539
--- /dev/null
+++ b/functions/tui/new_styles.go
@@ -0,0 +1,9 @@
+package tui
+
+// Implementation: github.com/lucasdataproyects/devfactory/tui
+
+// NewStyles crea estilos a partir de un tema.
+func NewStyles(theme Theme) Styles {
+	// stub — implementation in devfactory/tui
+	return Styles{}
+}
diff --git a/functions/tui/new_styles.md b/functions/tui/new_styles.md
new file mode 100644
index 00000000..2033283c
--- /dev/null
+++ b/functions/tui/new_styles.md
@@ -0,0 +1,32 @@
+---
+name: new_styles
+kind: function
+lang: go
+domain: tui
+version: "1.0.0"
+purity: pure
+signature: "func NewStyles(theme Theme) Styles"
+description: "Construye un conjunto de estilos lipgloss a partir de un tema de colores. Los estilos resultantes se aplican a todos los componentes TUI."
+tags: [tui, styles, constructor]
+uses_functions: []
+uses_types: [theme_go_tui]
+returns: [styles_go_tui]
+returns_optional: false
+error_type: ""
+imports: []
+tested: false
+tests: []
+test_file_path: ""
+file_path: "functions/tui/new_styles.go"
+---
+
+## Ejemplo
+
+```go
+theme := DefaultTheme()
+styles := NewStyles(theme)
+```
+
+## Notas
+
+Convierte un Theme (paleta de colores) en Styles (estilos lipgloss aplicables). Es el puente entre la configuracion de colores y el renderizado.
diff --git a/functions/tui/print_error.go b/functions/tui/print_error.go
new file mode 100644
index 00000000..da84ed1e
--- /dev/null
+++ b/functions/tui/print_error.go
@@ -0,0 +1,8 @@
+package tui
+
+// Implementation: github.com/lucasdataproyects/devfactory/tui
+
+// PrintError imprime un mensaje con estilo de error (rojo) en stderr.
+func PrintError(msg string) {
+	// stub — implementation in devfactory/tui
+}
diff --git a/functions/tui/print_error.md b/functions/tui/print_error.md
new file mode 100644
index 00000000..71980aa9
--- /dev/null
+++ b/functions/tui/print_error.md
@@ -0,0 +1,31 @@
+---
+name: print_error
+kind: function
+lang: go
+domain: tui
+version: "1.0.0"
+purity: impure
+signature: "func PrintError(msg string)"
+description: "Imprime un mensaje con estilo de error (rojo) en stderr."
+tags: [tui, print, error, output]
+uses_functions: []
+uses_types: []
+returns: []
+returns_optional: false
+error_type: "error_go_core"
+imports: []
+tested: false
+tests: []
+test_file_path: ""
+file_path: "functions/tui/print_error.go"
+---
+
+## Ejemplo
+
+```go
+tui.PrintError("No se pudo conectar al servidor")
+```
+
+## Notas
+
+Implementacion real en github.com/lucasdataproyects/devfactory/tui. Este stub existe para documentar la firma y mantener el registry.
diff --git a/functions/tui/print_info.go b/functions/tui/print_info.go
new file mode 100644
index 00000000..9d5c589f
--- /dev/null
+++ b/functions/tui/print_info.go
@@ -0,0 +1,8 @@
+package tui
+
+// Implementation: github.com/lucasdataproyects/devfactory/tui
+
+// PrintInfo imprime un mensaje con estilo informativo (cyan) en stdout.
+func PrintInfo(msg string) {
+	// stub — implementation in devfactory/tui
+}
diff --git a/functions/tui/print_info.md b/functions/tui/print_info.md
new file mode 100644
index 00000000..3b6ca5df
--- /dev/null
+++ b/functions/tui/print_info.md
@@ -0,0 +1,31 @@
+---
+name: print_info
+kind: function
+lang: go
+domain: tui
+version: "1.0.0"
+purity: impure
+signature: "func PrintInfo(msg string)"
+description: "Imprime un mensaje con estilo informativo (cyan) en stdout."
+tags: [tui, print, info, output]
+uses_functions: []
+uses_types: []
+returns: []
+returns_optional: false
+error_type: "error_go_core"
+imports: []
+tested: false
+tests: []
+test_file_path: ""
+file_path: "functions/tui/print_info.go"
+---
+
+## Ejemplo
+
+```go
+tui.PrintInfo("Procesando 42 archivos...")
+```
+
+## Notas
+
+Implementacion real en github.com/lucasdataproyects/devfactory/tui. Este stub existe para documentar la firma y mantener el registry.
diff --git a/functions/tui/print_muted.go b/functions/tui/print_muted.go
new file mode 100644
index 00000000..91a007d1
--- /dev/null
+++ b/functions/tui/print_muted.go
@@ -0,0 +1,8 @@
+package tui
+
+// Implementation: github.com/lucasdataproyects/devfactory/tui
+
+// PrintMuted imprime un mensaje con estilo atenuado (gris) en stdout.
+func PrintMuted(msg string) {
+	// stub — implementation in devfactory/tui
+}
diff --git a/functions/tui/print_muted.md b/functions/tui/print_muted.md
new file mode 100644
index 00000000..1580eadd
--- /dev/null
+++ b/functions/tui/print_muted.md
@@ -0,0 +1,31 @@
+---
+name: print_muted
+kind: function
+lang: go
+domain: tui
+version: "1.0.0"
+purity: impure
+signature: "func PrintMuted(msg string)"
+description: "Imprime un mensaje con estilo atenuado (gris) en stdout."
+tags: [tui, print, muted, output]
+uses_functions: []
+uses_types: []
+returns: []
+returns_optional: false
+error_type: "error_go_core"
+imports: []
+tested: false
+tests: []
+test_file_path: ""
+file_path: "functions/tui/print_muted.go"
+---
+
+## Ejemplo
+
+```go
+tui.PrintMuted("Ultima actualizacion: hace 5 minutos")
+```
+
+## Notas
+
+Implementacion real en github.com/lucasdataproyects/devfactory/tui. Este stub existe para documentar la firma y mantener el registry.
diff --git a/functions/tui/print_success.go b/functions/tui/print_success.go
new file mode 100644
index 00000000..074d4c8b
--- /dev/null
+++ b/functions/tui/print_success.go
@@ -0,0 +1,8 @@
+package tui
+
+// Implementation: github.com/lucasdataproyects/devfactory/tui
+
+// PrintSuccess imprime un mensaje con estilo de exito (verde) en stdout.
+func PrintSuccess(msg string) {
+	// stub — implementation in devfactory/tui
+}
diff --git a/functions/tui/print_success.md b/functions/tui/print_success.md
new file mode 100644
index 00000000..f0c267a1
--- /dev/null
+++ b/functions/tui/print_success.md
@@ -0,0 +1,31 @@
+---
+name: print_success
+kind: function
+lang: go
+domain: tui
+version: "1.0.0"
+purity: impure
+signature: "func PrintSuccess(msg string)"
+description: "Imprime un mensaje con estilo de exito (verde) en stdout."
+tags: [tui, print, success, output]
+uses_functions: []
+uses_types: []
+returns: []
+returns_optional: false
+error_type: "error_go_core"
+imports: []
+tested: false
+tests: []
+test_file_path: ""
+file_path: "functions/tui/print_success.go"
+---
+
+## Ejemplo
+
+```go
+tui.PrintSuccess("Operacion completada correctamente")
+```
+
+## Notas
+
+Implementacion real en github.com/lucasdataproyects/devfactory/tui. Este stub existe para documentar la firma y mantener el registry.
diff --git a/functions/tui/print_warning.go b/functions/tui/print_warning.go
new file mode 100644
index 00000000..8e4406d9
--- /dev/null
+++ b/functions/tui/print_warning.go
@@ -0,0 +1,8 @@
+package tui
+
+// Implementation: github.com/lucasdataproyects/devfactory/tui
+
+// PrintWarning imprime un mensaje con estilo de advertencia (naranja) en stdout.
+func PrintWarning(msg string) {
+	// stub — implementation in devfactory/tui
+}
diff --git a/functions/tui/print_warning.md b/functions/tui/print_warning.md
new file mode 100644
index 00000000..a7214bc2
--- /dev/null
+++ b/functions/tui/print_warning.md
@@ -0,0 +1,31 @@
+---
+name: print_warning
+kind: function
+lang: go
+domain: tui
+version: "1.0.0"
+purity: impure
+signature: "func PrintWarning(msg string)"
+description: "Imprime un mensaje con estilo de advertencia (naranja) en stdout."
+tags: [tui, print, warning, output]
+uses_functions: []
+uses_types: []
+returns: []
+returns_optional: false
+error_type: "error_go_core"
+imports: []
+tested: false
+tests: []
+test_file_path: ""
+file_path: "functions/tui/print_warning.go"
+---
+
+## Ejemplo
+
+```go
+tui.PrintWarning("El archivo sera sobreescrito")
+```
+
+## Notas
+
+Implementacion real en github.com/lucasdataproyects/devfactory/tui. Este stub existe para documentar la firma y mantener el registry.
diff --git a/functions/tui/quit_msg.go b/functions/tui/quit_msg.go
new file mode 100644
index 00000000..5916b07a
--- /dev/null
+++ b/functions/tui/quit_msg.go
@@ -0,0 +1,10 @@
+package tui
+
+// Implementation: github.com/lucasdataproyects/devfactory/tui
+
+import tea "github.com/charmbracelet/bubbletea"
+
+// Quit devuelve un mensaje de salida para el bucle de Bubble Tea.
+func Quit() tea.Msg {
+	return tea.QuitMsg{}
+}
diff --git a/functions/tui/quit_msg.md b/functions/tui/quit_msg.md
new file mode 100644
index 00000000..606ac053
--- /dev/null
+++ b/functions/tui/quit_msg.md
@@ -0,0 +1,32 @@
+---
+name: quit_msg
+kind: function
+lang: go
+domain: tui
+version: "1.0.0"
+purity: pure
+signature: "func Quit() tea.Msg"
+description: "Devuelve un mensaje de salida para el bucle de Bubble Tea."
+tags: [tui, quit, message, bubbletea]
+uses_functions: []
+uses_types: []
+returns: []
+returns_optional: false
+error_type: ""
+imports: [github.com/charmbracelet/bubbletea]
+tested: false
+tests: []
+test_file_path: ""
+file_path: "functions/tui/quit_msg.go"
+---
+
+## Ejemplo
+
+```go
+msg := Quit()
+// msg es tea.QuitMsg{}, usado para terminar el event loop de Bubble Tea
+```
+
+## Notas
+
+Wrapper puro sobre tea.QuitMsg{}. Util para componer en pipelines o pasar como callback sin exponer el tipo directamente.
diff --git a/functions/tui/run_fullscreen.go b/functions/tui/run_fullscreen.go
new file mode 100644
index 00000000..386634a7
--- /dev/null
+++ b/functions/tui/run_fullscreen.go
@@ -0,0 +1,12 @@
+package tui
+
+// Implementation: github.com/lucasdataproyects/devfactory/tui
+
+import "github.com/charmbracelet/bubbletea"
+
+// RunFullscreen ejecuta un modelo Bubble Tea en modo fullscreen.
+func RunFullscreen[T tea.Model](model T) Result[T] {
+	// stub — implementation in devfactory/tui
+	var zero T
+	return Result[T]{Value: zero}
+}
diff --git a/functions/tui/run_fullscreen.md b/functions/tui/run_fullscreen.md
new file mode 100644
index 00000000..5a88bfb9
--- /dev/null
+++ b/functions/tui/run_fullscreen.md
@@ -0,0 +1,35 @@
+---
+name: run_fullscreen
+kind: function
+lang: go
+domain: tui
+version: "1.0.0"
+purity: impure
+signature: "func RunFullscreen[T tea.Model](model T) core.Result[T]"
+description: "Ejecuta un modelo Bubble Tea en modo fullscreen."
+tags: [tui, runner, fullscreen, bubbletea, generic]
+uses_functions: []
+uses_types: [result_go_core]
+returns: [result_go_core]
+returns_optional: false
+error_type: "error_go_core"
+imports: [github.com/charmbracelet/bubbletea]
+tested: false
+tests: []
+test_file_path: ""
+file_path: "functions/tui/run_fullscreen.go"
+---
+
+## Ejemplo
+
+```go
+result := tui.RunFullscreen(myModel)
+if result.IsErr() {
+    log.Fatal(result.Error())
+}
+finalModel := result.Unwrap()
+```
+
+## Notas
+
+Implementacion real en github.com/lucasdataproyects/devfactory/tui. Este stub existe para documentar la firma y mantener el registry.
diff --git a/functions/tui/run_model.go b/functions/tui/run_model.go
new file mode 100644
index 00000000..fefe151e
--- /dev/null
+++ b/functions/tui/run_model.go
@@ -0,0 +1,12 @@
+package tui
+
+// Implementation: github.com/lucasdataproyects/devfactory/tui
+
+import "github.com/charmbracelet/bubbletea"
+
+// RunModel ejecuta un modelo Bubble Tea y devuelve el modelo final o error.
+func RunModel[T tea.Model](model T) Result[T] {
+	// stub — implementation in devfactory/tui
+	var zero T
+	return Result[T]{Value: zero}
+}
diff --git a/functions/tui/run_model.md b/functions/tui/run_model.md
new file mode 100644
index 00000000..b937b1a0
--- /dev/null
+++ b/functions/tui/run_model.md
@@ -0,0 +1,35 @@
+---
+name: run_model
+kind: function
+lang: go
+domain: tui
+version: "1.0.0"
+purity: impure
+signature: "func RunModel[T tea.Model](model T) core.Result[T]"
+description: "Ejecuta un modelo Bubble Tea y devuelve el modelo final o error."
+tags: [tui, runner, bubbletea, generic]
+uses_functions: []
+uses_types: [result_go_core]
+returns: [result_go_core]
+returns_optional: false
+error_type: "error_go_core"
+imports: [github.com/charmbracelet/bubbletea]
+tested: false
+tests: []
+test_file_path: ""
+file_path: "functions/tui/run_model.go"
+---
+
+## Ejemplo
+
+```go
+result := tui.RunModel(myModel)
+if result.IsErr() {
+    log.Fatal(result.Error())
+}
+finalModel := result.Unwrap()
+```
+
+## Notas
+
+Implementacion real en github.com/lucasdataproyects/devfactory/tui. Este stub existe para documentar la firma y mantener el registry.
diff --git a/functions/tui/run_with_mouse.go b/functions/tui/run_with_mouse.go
new file mode 100644
index 00000000..238e2134
--- /dev/null
+++ b/functions/tui/run_with_mouse.go
@@ -0,0 +1,12 @@
+package tui
+
+// Implementation: github.com/lucasdataproyects/devfactory/tui
+
+import "github.com/charmbracelet/bubbletea"
+
+// RunWithMouseSupport ejecuta un modelo Bubble Tea con soporte de raton habilitado.
+func RunWithMouseSupport[T tea.Model](model T) Result[T] {
+	// stub — implementation in devfactory/tui
+	var zero T
+	return Result[T]{Value: zero}
+}
diff --git a/functions/tui/run_with_mouse.md b/functions/tui/run_with_mouse.md
new file mode 100644
index 00000000..c8a822f4
--- /dev/null
+++ b/functions/tui/run_with_mouse.md
@@ -0,0 +1,35 @@
+---
+name: run_with_mouse
+kind: function
+lang: go
+domain: tui
+version: "1.0.0"
+purity: impure
+signature: "func RunWithMouseSupport[T tea.Model](model T) core.Result[T]"
+description: "Ejecuta un modelo Bubble Tea con soporte de raton habilitado."
+tags: [tui, runner, mouse, bubbletea, generic]
+uses_functions: []
+uses_types: [result_go_core]
+returns: [result_go_core]
+returns_optional: false
+error_type: "error_go_core"
+imports: [github.com/charmbracelet/bubbletea]
+tested: false
+tests: []
+test_file_path: ""
+file_path: "functions/tui/run_with_mouse.go"
+---
+
+## Ejemplo
+
+```go
+result := tui.RunWithMouseSupport(myModel)
+if result.IsErr() {
+    log.Fatal(result.Error())
+}
+finalModel := result.Unwrap()
+```
+
+## Notas
+
+Implementacion real en github.com/lucasdataproyects/devfactory/tui. Este stub existe para documentar la firma y mantener el registry.
diff --git a/functions/tui/show_cursor.go b/functions/tui/show_cursor.go
new file mode 100644
index 00000000..84aed07c
--- /dev/null
+++ b/functions/tui/show_cursor.go
@@ -0,0 +1,8 @@
+package tui
+
+// Implementation: github.com/lucasdataproyects/devfactory/tui
+
+// ShowCursor devuelve el codigo de escape ANSI para mostrar el cursor del terminal.
+func ShowCursor() string {
+	return "\033[?25h"
+}
diff --git a/functions/tui/show_cursor.md b/functions/tui/show_cursor.md
new file mode 100644
index 00000000..3420edea
--- /dev/null
+++ b/functions/tui/show_cursor.md
@@ -0,0 +1,32 @@
+---
+name: show_cursor
+kind: function
+lang: go
+domain: tui
+version: "1.0.0"
+purity: pure
+signature: "func ShowCursor() string"
+description: "Devuelve el codigo de escape ANSI para mostrar el cursor del terminal."
+tags: [tui, ansi, terminal, cursor]
+uses_functions: []
+uses_types: []
+returns: []
+returns_optional: false
+error_type: ""
+imports: []
+tested: false
+tests: []
+test_file_path: ""
+file_path: "functions/tui/show_cursor.go"
+---
+
+## Ejemplo
+
+```go
+fmt.Print(ShowCursor())
+// Restaura la visibilidad del cursor del terminal
+```
+
+## Notas
+
+Usa la secuencia DECTCEM (ESC[?25h) del estandar VT220. Complemento de HideCursor. Llamar siempre al finalizar la aplicacion para restaurar el estado del terminal.