extensions

type BridgeBinding struct {
	Source       ExtensionKind
	ExtensionID  string
	OriginalName string
	StableKey    string
}

type BridgeRegisterOptions struct {
	AllowOriginalNameShadowBuiltin bool
}

type CapabilitySet struct {
	Prompts   int
	Resources int
	Tools     int
	Commands  int
}

type ErrorCode string

type Extension interface {
	Info() ExtensionInfo
	ResolveTools(ctx context.Context) ([]ExtensionTool, error)
	Health(ctx context.Context) (HealthSnapshot, error)
}

type ExtensionError struct {
	Code    ErrorCode
	Message string
	Err     error
}

type ExtensionEvent struct {
	Type        string
	ExtensionID string
	Kind        ExtensionKind
	Status      ExtensionStatus
	Reason      string
	ErrorCode   ErrorCode
	OccurredAt  string
	Message     string
}

type ExtensionInfo struct {
	ID           string
	Name         string
	Kind         ExtensionKind
	Version      string
	Title        string
	Description  string
	Source       ExtensionSource
	Status       ExtensionStatus
	Capabilities CapabilitySet
	Manifest     Manifest
	Health       HealthSnapshot
}

type ExtensionKind string

type ExtensionScope string

type ExtensionSource struct {
	Scope ExtensionScope
	Ref   string
}

type ExtensionStatus string

type ExtensionTool struct {
	Source      ExtensionKind
	ExtensionID string
	Tool        toolspkg.Tool
}

type HealthSnapshot struct {
	Status       ExtensionStatus
	Message      string
	LastError    ErrorCode
	CheckedAtUTC string
}

type HealthTester interface {
	Test(ctx context.Context, extensionID string) (HealthSnapshot, error)
}

type Invalidator interface {
	Invalidate(extensionID string)
}

type Manager interface {
	Load(ctx context.Context, source string) (ExtensionInfo, error)
	Unload(ctx context.Context, extensionID string) error
	Get(ctx context.Context, extensionID string) (ExtensionInfo, error)
	List(ctx context.Context) ([]ExtensionInfo, error)
}

type Manifest struct {
	Name         string
	Version      string
	Title        string
	Description  string
	Kind         ExtensionKind
	Source       ExtensionSource
	Capabilities CapabilitySet
}

type NopManager struct{}

type Reloader interface {
	Reload(ctx context.Context) error
}

type ToolResolver interface {
	ResolveAllTools(ctx context.Context) ([]ExtensionTool, error)
}

type ToolUseContext struct {
	SessionID corepkg.SessionID
	TaskID    corepkg.TaskID
	TraceID   corepkg.TraceID
	Workspace string
	Metadata  map[string]string
}