import { Effect, JSONSchema, Schema } from "effect"; import { ToolId } from "./ids";import { ToolInvocationError } from "./errors";import { Source } from "./sources";import {  ToolInvocationResult,  type ToolRegistration,  type RuntimeToolHandler,} from "./tools";import { hoistDefinitions } from "./schema-refs"; export interface RuntimeToolDefinition<TInput = unknown, TOutput = unknown> {  readonly id: string;  readonly sourceId?: string;  readonly name: string;  readonly description?: string;  readonly inputSchema: Schema.Schema<TInput, any, never>;  readonly outputSchema?: Schema.Schema<TOutput, any, never>;  readonly handler: (args: TInput) => Effect.Effect<unknown, unknown>;} export interface RuntimeSourceDefinition {  readonly id: string;  readonly name: string;  readonly kind?: string;  readonly canRemove?: boolean;  readonly canRefresh?: boolean;} interface RuntimeHandlerEntry {  readonly decode: (args: unknown) => unknown;  readonly handler: (args: unknown) => Effect.Effect<unknown, unknown>;} export const runtimeTool = <TInput, TOutput>(  def: RuntimeToolDefinition<TInput, TOutput>,): RuntimeToolDefinition<TInput, TOutput> => def; const buildRuntimeTool = (  pluginKey: string,  sourceId: string,  def: RuntimeToolDefinition,): {  readonly registration: ToolRegistration;  readonly definitions: Record<string, unknown>;  readonly entry: RuntimeHandlerEntry;} => {  const inputJson = JSONSchema.make(def.inputSchema);  const outputJson = def.outputSchema ? JSONSchema.make(def.outputSchema) : undefined;   const inputHoist = hoistDefinitions(inputJson);  const outputHoist = hoistDefinitions(outputJson);   return {    registration: {      id: ToolId.make(def.id),      pluginKey,      sourceId,      name: def.name,      description: def.description,      inputSchema: inputHoist.stripped,      outputSchema: outputHoist.stripped,    },    definitions: {      ...inputHoist.defs,      ...outputHoist.defs,    },    entry: {      decode: Schema.decodeUnknownSync(def.inputSchema),      handler: def.handler as (args: unknown) => Effect.Effect<unknown, unknown>,    },  };}; const toRuntimeHandler = (  toolId: ToolId,  entry: RuntimeHandlerEntry,): RuntimeToolHandler => ({  invoke: (args) =>    Effect.try({      try: () => entry.decode(args),      catch: (err) =>        new ToolInvocationError({          toolId,          message: `Invalid input: ${err instanceof Error ? err.message : String(err)}`,          cause: err,        }),    }).pipe(      Effect.flatMap((input) => entry.handler(input)),      Effect.map((data) => new ToolInvocationResult({ data, error: null })),      Effect.mapError((err) =>        err instanceof ToolInvocationError          ? err          : new ToolInvocationError({              toolId,              message: err instanceof Error ? err.message : String(err),              cause: err,            }),      ),    ),}); export const registerRuntimeTools = <  const TTools extends readonly RuntimeToolDefinition<any, any>[],>(input: {  readonly registry: {    readonly registerRuntimeDefinitions: (      defs: Record<string, unknown>,    ) => Effect.Effect<void>;    readonly unregisterRuntimeDefinitions: (      names: readonly string[],    ) => Effect.Effect<void>;    readonly registerRuntime: (      tools: readonly ToolRegistration[],    ) => Effect.Effect<void>;    readonly registerRuntimeHandler: (      toolId: ToolId,      handler: RuntimeToolHandler,    ) => Effect.Effect<void>;    readonly unregisterRuntime: (      toolIds: readonly ToolId[],    ) => Effect.Effect<void>;  };  readonly sources?: {    readonly registerRuntime: (source: Source) => Effect.Effect<void>;    readonly unregisterRuntime: (sourceId: string) => Effect.Effect<void>;  };  readonly pluginKey: string;  readonly source?: RuntimeSourceDefinition;  readonly tools: TTools;}) =>  Effect.gen(function* () {    const built = yield* Effect.forEach(input.tools, (tool) =>      Effect.sync(() => {        const sourceId = tool.sourceId ?? input.source?.id;        if (!sourceId) {          throw new Error(            `Runtime tool "${tool.id}" is missing a sourceId and no shared runtime source was provided`,          );        }        return buildRuntimeTool(input.pluginKey, sourceId, tool);      }),    );     if (input.source && input.sources) {      yield* input.sources.registerRuntime(new Source({        id: input.source.id,        name: input.source.name,        kind: input.source.kind ?? input.pluginKey,        runtime: true,        canRemove: input.source.canRemove ?? false,        canRefresh: input.source.canRefresh ?? false,      }));    }     const defs: Record<string, unknown> = {};    for (const tool of built) {      Object.assign(defs, tool.definitions);      yield* input.registry.registerRuntimeHandler(        tool.registration.id,        toRuntimeHandler(tool.registration.id, tool.entry),      );    }     yield* input.registry.registerRuntimeDefinitions(defs);    yield* input.registry.registerRuntime(built.map((tool) => tool.registration));     const toolIds = built.map((tool) => tool.registration.id);    const defNames = Object.keys(defs);     return {      toolIds,      close: () =>        Effect.gen(function* () {          yield* input.registry.unregisterRuntime(toolIds);          yield* input.registry.unregisterRuntimeDefinitions(defNames);          if (input.source && input.sources) {            yield* input.sources.unregisterRuntime(input.source.id);          }        }),    };  });