registry

type Base struct {
	toolboxv0.UnimplementedToolboxServer
	// contains filtered or unexported fields
}

type ToolDefinition struct {
	// Name is the dotted tool name (e.g. "git.status").
	Name string

	// SummaryDescription is the ONE-LINE description used in
	// ToolSummary — optimized for "should I pick this?".
	// Required; ~120 chars or fewer by convention.
	SummaryDescription string

	// LongDescription is the multi-paragraph description used in
	// ToolSpec — explain the contract, edge cases, when not to
	// use. Optional; if empty, falls back to SummaryDescription.
	LongDescription string

	// InputSchema is the JSON Schema for arguments. Encoded as a
	// structpb so we don't mirror JSON Schema's recursive shape
	// in proto.
	InputSchema *structpb.Struct

	// OutputSchema is optional — set when the toolbox wants to
	// constrain its output shape. Most tools leave this nil.
	OutputSchema *structpb.Struct

	// Destructive marks state-mutating tools. Hosts surface extra
	// confirmation UI for these.
	Destructive bool

	// Tags drive pre-filtering in routing (read-only, network,
	// filesystem, destructive, plus the toolbox name + free-form
	// domain tags). The toolbox name is auto-prepended by helpers
	// IF not present, so authors don't need to repeat it.
	Tags []string

	// Examples are worked invocations. AT LEAST ONE per tool by
	// convention — LLMs structure args dramatically better with
	// examples than with schemas alone. This is the load-bearing
	// addition of the two-phase design.
	Examples []*toolboxv0.ToolExample

	// Idempotency: "idempotent" | "side_effecting" | "" (unknown).
	Idempotency string

	// ErrorModes is free-text on what failure looks like and what
	// the caller should do. Helps the LLM diagnose without re-
	// running the call.
	ErrorModes string

	// Handler is the implementation invoked by Base.CallTool when
	// req.Name matches d.Name. Optional — if nil, Base.CallTool
	// returns an "unimplemented" error for that tool. Toolboxes that
	// dispatch via their own switch (legacy pattern) leave this nil.
	//
	// The handler is responsible for argument extraction, validation,
	// and response shaping. It must NOT panic; on internal error
	// return a CallToolResponse with the error string set.
	Handler func(ctx context.Context, req *toolboxv0.CallToolRequest) *toolboxv0.CallToolResponse
}

type Tooler interface {
	Tools() []*ToolDefinition
}