## ADDED Requirements

### Requirement: OpenCode runs a web server

The system SHALL configure OpenCode containers to run a web server accessible on port 3000.

#### Scenario: OpenCode container starts
- **GIVEN** an OpenCode tool instance
- **WHEN** the container starts
- **THEN** a web server is running on port 3000 inside the container
- **AND** the server serves a web terminal interface

### Requirement: OpenCode exposes web interface

The system SHALL mark OpenCode as having both terminal and web interfaces.

#### Scenario: OpenCode instance created
- **GIVEN** a new OpenCode instance
- **WHEN** the instance list is displayed
- **THEN** both "Open" and "Terminal" buttons are shown

### Requirement: OpenCode web terminal uses correct port

The system SHALL use port 3000 when creating tunnels for OpenCode instances.

#### Scenario: Tunnel created for OpenCode
- **GIVEN** an OpenCode instance with `default_port: 3000`
- **WHEN** the instance starts and creates a tunnel
- **THEN** the tunnel targets `http://container-name:3000`

### Requirement: OpenCode web terminal displays properly

The system SHALL serve a functional web terminal interface for OpenCode.

#### Scenario: User opens OpenCode web UI
- **GIVEN** a running OpenCode instance
- **WHEN** the user clicks the "Open" button
- **THEN** a new tab opens with the OpenCode web interface
- **AND** the interface shows a terminal connected to the OpenCode process
