tools

const (
	// ErrClassTransient — retryable infrastructure failures.
	ErrClassTransient = internal.ErrClassTransient
	// ErrClassTimeout — the per-attempt deadline elapsed.
	ErrClassTimeout = internal.ErrClassTimeout
	// ErrClass5xx — server-side 5xx failures.
	ErrClass5xx = internal.ErrClass5xx
	// ErrClassPermanent — non-retryable failures.
	ErrClassPermanent = internal.ErrClassPermanent
)

const (
	// LoadingAlways — the tool is always visible to the planner.
	LoadingAlways = internal.LoadingAlways
	// LoadingDeferred — the tool is discovered via tool_search.
	LoadingDeferred = internal.LoadingDeferred
)

const (
	// SideEffectPure — no side effects.
	SideEffectPure = internal.SideEffectPure
	// SideEffectRead — reads external state.
	SideEffectRead = internal.SideEffectRead
	// SideEffectWrite — writes external state.
	SideEffectWrite = internal.SideEffectWrite
	// SideEffectExternal — calls an external system.
	SideEffectExternal = internal.SideEffectExternal
	// SideEffectStateful — mutates durable state.
	SideEffectStateful = internal.SideEffectStateful
)

const (
	// TransportInProcess — an in-process Go function tool.
	TransportInProcess = internal.TransportInProcess
	// TransportHTTP — an HTTP endpoint tool.
	TransportHTTP = internal.TransportHTTP
	// TransportMCP — a southbound MCP server tool.
	TransportMCP = internal.TransportMCP
	// TransportA2A — a southbound A2A remote-agent tool.
	TransportA2A = internal.TransportA2A
	// TransportFlow — a typed DAG registered as one Tool.
	TransportFlow = internal.TransportFlow
)

const (
	// ValidateNone — no schema validation.
	ValidateNone = internal.ValidateNone
	// ValidateBoth — validate args and results.
	ValidateBoth = internal.ValidateBoth
	// ValidateIn — validate args only.
	ValidateIn = internal.ValidateIn
	// ValidateOut — validate results only.
	ValidateOut = internal.ValidateOut
)

const (
	// EventTypeToolInvoked — a tool invocation started.
	EventTypeToolInvoked = internal.EventTypeToolInvoked
	// EventTypeToolCompleted — a tool invocation succeeded.
	EventTypeToolCompleted = internal.EventTypeToolCompleted
	// EventTypeToolFailed — a tool invocation failed.
	EventTypeToolFailed = internal.EventTypeToolFailed
	// EventTypeToolInvalidArgs — args failed schema validation.
	EventTypeToolInvalidArgs = internal.EventTypeToolInvalidArgs
	// EventTypeToolPolicyExhausted — the policy retry budget ran out.
	EventTypeToolPolicyExhausted = internal.EventTypeToolPolicyExhausted
)