This specification defines the command capability for the BLS Project Console, which allows users to send console commands to Redis queues for other programs to read and execute.
## Requirements
### Requirement: Command Sending to Redis
The system SHALL send commands to a Redis queue.
#### Scenario: Sending a command to Redis queue
- **WHEN** the user enters a command in the console
- **AND** clicks the "Send" button
- **THEN** the command SHALL be sent to the Redis queue
- **AND** the user SHALL receive a success confirmation
### Requirement: Command Validation
The system SHALL validate commands before sending them to Redis.
#### Scenario: Validating an empty command
- **WHEN** the user tries to send an empty command
- **THEN** the system SHALL display an error message
- **AND** the command SHALL NOT be sent to Redis
#### Scenario: Validating a command with invalid characters
- **WHEN** the user tries to send a command with invalid characters
- **THEN** the system SHALL display an error message
- **AND** the command SHALL NOT be sent to Redis
### Requirement: Command History
The system SHALL maintain a history of sent commands.
#### Scenario: Viewing command history
- **WHEN** the user opens the command history
- **THEN** the system SHALL display a list of previously sent commands
- **AND** the user SHALL be able to select a command from the history to resend
### Requirement: Command Response Handling
The system SHALL handle responses from commands sent to Redis.
#### Scenario: Receiving a command response
- **WHEN** a command response is received from Redis
- **THEN** the system SHALL display the response in the console
- **AND** the response SHALL be associated with the original command