## ADDED Requirements

### Requirement: Digital Human Script List

The system SHALL let users maintain a list of one or more digital human talking-head scripts inside the one-click compose flow before creating videos.

#### Scenario: Add scripts manually

- **WHEN** a user enters a script and clicks add
- **THEN** the script is appended to the current script list
- **AND** the user can select, edit, duplicate, or remove scripts before generation

### Requirement: Smart Digital Human Script Generation

The system SHALL provide an intelligent script generation dialog with built-in digital human scenes and controls for count, length, style, and custom prompt guidance.

#### Scenario: Generate scripts from a scene

- **WHEN** a user chooses a scene, target length, style, count, and optional custom prompt
- **THEN** the system generates the requested number of talking-head scripts
- **AND** appends the generated scripts to the current script list without discarding existing scripts

### Requirement: Batch Digital Human Creation

The system SHALL create a separate digital human generation task for each selected script while reusing the chosen avatar, voice, model, subtitle, aspect ratio, and background settings.

#### Scenario: Start batch generation

- **WHEN** the user selects multiple scripts and clicks batch create
- **THEN** one digital human task is created for each selected script
- **AND** every task payload uses the corresponding script text with the current avatar and voice configuration