config

type Config struct {
	// Version is the schema version of this .layerx.yaml. Currently only 1
	// is accepted. Unset (zero) is treated as 1. Future schema breakage
	// will rev this — readers that see a version they don't understand
	// must error rather than guess.
	Version int `yaml:"version,omitempty"`

	Rules RulesConfig `yaml:"rules"`

	// PathRules is populated by the loader's normalize() pass. It is NOT
	// directly unmarshalled from YAML — see normalizePathRules() — because
	// the YAML can be either a mapping (flat form) or a sequence (list
	// form). Tagged "-" so yaml.Strict() doesn't barf on a missing key.
	PathRules []PathRuleSpec `yaml:"-"`

	// Keybindings is a placeholder for the M12 keybinding-override feature
	// documented in CLAUDE.md. Declared here so yaml.Strict() accepts the
	// documented top-level key without rejecting the whole config; semantics
	// are wired up in M12.
	Keybindings map[string]string `yaml:"keybindings,omitempty"`
}

type LoadError struct {
	Path    string
	Section string
	Err     error
}

type PathRuleSpec struct {
	ID        string
	Type      PathRuleType
	Paths     []string
	Threshold int
}

type PathRuleType string

type RulesConfig struct {
	LowestEfficiency         float64 `yaml:"lowest-efficiency"`
	HighestWastedBytes       int64   `yaml:"highest-wasted-bytes"`
	HighestUserWastedPercent float64 `yaml:"highest-user-wasted-percent"`
}