import { Effect } from "effect";import type { Executor, Source } from "@executor-js/sdk/core"; /** * Builds a tool description dynamically. * * Structure: *   1. Workflow (top — critical, least likely to be truncated) *   2. Available namespaces (bottom) */export const buildExecuteDescription = (executor: Executor): Effect.Effect<string> =>  Effect.gen(function* () {    const sources: readonly Source[] = yield* executor.sources.list().pipe(      // oxlint-disable-next-line executor/no-effect-escape-hatch -- boundary: ExecutionEngine.getDescription currently exposes no error channel; engine typed-error widening is covered separately      Effect.orDie,      Effect.withSpan("executor.sources.list"),    );     const description = yield* Effect.sync(() => formatDescription(sources)).pipe(      Effect.withSpan("schema.compile.description", {        attributes: { "executor.source_count": sources.length },      }),    );     yield* Effect.annotateCurrentSpan({      "executor.source_count": sources.length,      "schema.kind": "execute",    });     return description;  }).pipe(Effect.withSpan("schema.describe.execute")); const formatDescription = (sources: readonly Source[]): string => {  const lines: string[] = [    "Execute TypeScript in a sandboxed runtime with access to configured API tools.",    "",    "## Workflow",    "",    '1. `const { items: matches } = await tools.search({ query: "<intent + key nouns>", limit: 12 });`',    '2. `const path = matches[0]?.path; if (!path) return "No matching tools found.";`',    "3. `const details = await tools.describe.tool({ path });`",    "4. Use `details.inputTypeScript` / `details.outputTypeScript` and `details.typeScriptDefinitions` for compact shapes.",    "5. Use `tools.executor.sources.list()` when you need configured source inventory.",    "6. Call the tool: `const result = await tools.<path>(input);`",    "",    "## Rules",    "",    "- `tools.search()` returns paginated, ranked matches: `{ items, total, hasMore, nextOffset }`. Best-first. Use short intent phrases like `github issues`, `repo details`, or `create calendar event`.",    '- When you already know the namespace, narrow with `tools.search({ namespace: "github", query: "issues" })`.',    "- `tools.executor.sources.list()` returns the same paged shape: `{ items: [{ id, toolCount, ... }], total, hasMore, nextOffset }`.",    "- If `hasMore` is true and you didn't find what you need, fetch the next page: `tools.search({ query, offset: nextOffset, limit })`. Same `offset` parameter on `tools.executor.sources.list({ offset, limit })`.",    "- Always use the namespace prefix when calling tools: `tools.<namespace>.<tool>(args)`. Example: `tools.home_assistant_rest_api.states.getState(...)` — not `tools.states.getState(...)`.",    "- The `tools` object is a lazy proxy — `Object.keys(tools)` won't work. Use `tools.search()` or `tools.executor.sources.list()` instead.",    '- Pass an object to system tools, e.g. `tools.search({ query: "..." })`, `tools.executor.sources.list()`, and `tools.describe.tool({ path })`.',    "- `tools.describe.tool()` returns compact TypeScript shapes. Use `inputTypeScript`, `outputTypeScript`, and `typeScriptDefinitions`.",    "- For tools that return large collections (e.g. `getStates`, `getAll`), filter results in code rather than calling per-item tools.",    "- Do not use `fetch` — all API calls go through `tools.*`.",    "- If execution pauses for interaction, resume it with the returned `resumePayload`.",    "- TypeScript type syntax (`: T`, `as T`, generics, interfaces, type aliases) is stripped before execution — feel free to write idiomatic TypeScript using the shapes from `tools.describe.tool()`. Decorators and `enum` are not supported.",  ];   if (sources.length > 0) {    lines.push("");    lines.push("## Available namespaces");    lines.push("");    const sorted = [...sources].sort((a, b) => a.id.localeCompare(b.id)).slice(0, 50);    for (const source of sorted) {      lines.push(`- \`${source.id}\``);    }    if (sources.length > sorted.length) {      lines.push(`- ... ${sources.length - sorted.length} more`);    }  }   return lines.join("\n");};