# Test: Module field with whitespace only
# Expected: FAIL
# Error code: custom
# Error path: agent.metadata.module
# Error message: agent.metadata.module must be a non-empty string
# Path context: src/bmm/agents/empty-module-string.agent.yaml

agent:
  metadata:
    id: empty-module
    name: Empty Module String
    title: Empty Module
    icon: ❌
    module: "   "

  persona:
    role: Test agent
    identity: Test identity
    communication_style: Test style
    principles:
      - Test principle

  menu:
    - trigger: help
      description: Show help
      action: display_help