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Preserve native LLM tool context (#27116)

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Kit Langton 2026-05-12 16:16:58 -04:00 • committed by GitHub
commit dd14413a64
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18 changed files with 244 additions and 75 deletions
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11
packages/llm/src/tool.ts
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@ -1,5 +1,5 @@
import { Effect, JsonSchema, Schema } from "effect"
import type { ToolDefinition as ToolDefinitionClass } from "./schema"
import type { ToolCallPart, ToolDefinition as ToolDefinitionClass } from "./schema"
import { ToolDefinition, ToolFailure } from "./schema"
/**
@ -8,9 +8,14 @@ import { ToolDefinition, ToolFailure } from "./schema"
* beyond pure data conversion belongs in the handler closure.
*/
export type ToolSchema<T> = Schema.Codec<T, any, never, never>
export interface ToolExecuteContext {
readonly id: ToolCallPart["id"]
readonly name: ToolCallPart["name"]
}
export type ToolExecute<Parameters extends ToolSchema<any>, Success extends ToolSchema<any>> = (
params: Schema.Schema.Type<Parameters>,
context?: ToolExecuteContext,
) => Effect.Effect<Schema.Schema.Type<Success>, ToolFailure>
/**
@ -61,7 +66,7 @@ type TypedToolConfig = {
type DynamicToolConfig = {
readonly description: string
readonly jsonSchema: JsonSchema.JsonSchema
readonly execute?: (params: unknown) => Effect.Effect<unknown, ToolFailure>
readonly execute?: (params: unknown, context?: ToolExecuteContext) => Effect.Effect<unknown, ToolFailure>
}
/**
@ -110,7 +115,7 @@ export function make<Parameters extends ToolSchema<any>, Success extends ToolSch
export function make(config: {
readonly description: string
readonly jsonSchema: JsonSchema.JsonSchema
readonly execute: (params: unknown) => Effect.Effect<unknown, ToolFailure>
readonly execute: (params: unknown, context?: ToolExecuteContext) => Effect.Effect<unknown, ToolFailure>
}): AnyExecutableTool
export function make(config: {
readonly description: string