22acb0def1
- Add AgentName, AgentOverrideConfig, AgentOverrides types - Implement createBuiltinAgents with disabled_agents and overrides support - Support oh-my-opencode.json config for: - disabled_agents: disable specific built-in agents - agents: override model, temperature, tools, permission per agent - Tools and permission objects are shallow-merged with base config - Export types for external consumers - Update README with agent override documentation