MCP Secrets

--- description: Request to add a new secret --- The user wants to add a new secret. Parse $ARGUMENTS to get the secret name. If a name was provided (e.g., `/mcp-secrets:add GITHUB_TOKEN`): 1. Ask the user what the secret is for 2. Call `request_secret` with the name and a description based on their answer If no name was provided: 1. Ask what secret they want to add and what it's for 2. Suggest an appropriate name in UPPER_SNAKE_CASE 3. Call `request_secret` with the name and description