victorvargas/rony-llm-agent
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rony-llm-agent/pkg/config/README.md

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pkg/config

YAML configuration loading with hierarchical precedence.

Responsibility

Resolve the agent's final configuration by combining multiple sources with a precedence order:

  1. CLI flags (highest)
  2. Environment variables
  3. Project config (./.rony.yaml)
  4. Global config (~/.config/rony/config.yaml)
  5. Embedded defaults (lowest)

Public API

type Config struct {
    Model       string
    Persona     string
    Provider    ProviderConfig
    Tools       ToolPolicy
    Logging     LoggingConfig
    Sandbox     SandboxConfig
}

type Loader interface {
    Load(ctx context.Context, workdir string) (Config, error)
    LoadFromBytes(data []byte, source string) (Config, error)
}

type ProviderConfig struct {
    Type   string  // "openai" | "anthropic" | "ollama" | "llamacpp"
    Model  string
    APIKey string  // resolved from env if it's a reference
    Endpoint string
}

type ToolPolicy map[string]tools.Permission

YAML format

# ~/.config/rony/config.yaml
model: claude-sonnet-4.5
persona: pragmatist
provider:
  type: anthropic
  api_key_env: ANTHROPIC_API_KEY
tools:
  bash: ask
  read: allow
  write: ask
logging:
  level: info
  format: json
sandbox:
  workspace: .
  timeout_ms: 30000

Environment override

RONY_MODEL=gpt-4o rony chat      # override model
RONY_LOG_LEVEL=debug rony chat   # override log level

Precedence

The loader resolves in this order (highest priority first):

flag > RONY_* env > ./.rony.yaml > ~/.config/rony/config.yaml > defaults

See also