## Permissions Module

### Module Description
Controls access management and permission definitions across the system.

### API Endpoints

- **GET /permissions/list**
  - *Purpose:* Retrieve all defined permissions
  - *Auth:* Required (JWT token with `permission.read`)
  - *Payload:* None
  - *Response:* `{"permissions": ["string"]}`

- **POST /permissions/grant**
  - *Purpose:* Assign a permission to a user
  - *Auth:* Required (JWT token with `permission.write`)
  - *Payload:* `{"user_id": "int", "permission": "string"}`
  - *Response:* `{"status": "string"}`

- **DELETE /permissions/revoke**
  - *Purpose:* Remove a permission from a user
  - *Auth:* Required (JWT token with `permission.write`)
  - *Payload:* `{"user_id": "int", "permission": "string"}`
  - *Response:* `{"status": "string"}`