chore(util-agent): remove dead createTextAdapter / TextProducerFn

All adapters migrated to createAgentAdapter in #261. No consumers remain.

Refs #252

develop-entry.ts

@@ -9,6 +9,7 @@ const agent = createCursorAgent({
   command: "/home/azureuser/.local/bin/cursor-agent",
   model: "auto",
   timeout: 300_000,
+  workspace: null,
 });
 
 export const descriptor = buildDevelopDescriptor();

packages/workflow-agent-cursor/__tests__/cursor-agent.test.ts

@@ -1,21 +1,25 @@
 import { describe, expect, test } from "bun:test";
 import { createCursorAgent, validateCursorAgentConfig } from "../src/index.js";
 
+const baseConfig = {
+  command: "/usr/local/bin/cursor-agent",
+  model: null as string | null,
+  timeout: 0,
+  workspace: null as string | null,
+};
+
 describe("validateCursorAgentConfig", () => {
   test("accepts valid config", () => {
     const r = validateCursorAgentConfig({
-      command: "/usr/local/bin/cursor-agent",
-      model: null,
-      timeout: 0,
+      ...baseConfig,
     });
     expect(r.ok).toBe(true);
   });
 
   test("rejects non-absolute command", () => {
     const r = validateCursorAgentConfig({
+      ...baseConfig,
       command: "cursor-agent",
-      model: null,
-      timeout: 0,
     });
     expect(r.ok).toBe(false);
     if (!r.ok) {
@@ -25,28 +29,35 @@ describe("validateCursorAgentConfig", () => {
 
   test("rejects negative timeout", () => {
     const r = validateCursorAgentConfig({
-      command: "/usr/local/bin/cursor-agent",
-      model: null,
+      ...baseConfig,
       timeout: -1,
     });
     expect(r.ok).toBe(false);
   });
+
+  test("rejects non-absolute workspace when set", () => {
+    const r = validateCursorAgentConfig({
+      ...baseConfig,
+      workspace: "relative/path",
+    });
+    expect(r.ok).toBe(false);
+    if (!r.ok) {
+      expect(r.error).toContain("workspace");
+    }
+  });
 });
 
 describe("createCursorAgent", () => {
   test("returns an AdapterFn", () => {
     const agent = createCursorAgent({
-      command: "/usr/local/bin/cursor-agent",
-      model: null,
-      timeout: 0,
+      ...baseConfig,
     });
     expect(typeof agent).toBe("function");
   });
 
   test("defers validation to call time (invalid config does not throw at construction)", () => {
     const agent = createCursorAgent({
-      command: "/usr/local/bin/cursor-agent",
-      model: null,
+      ...baseConfig,
       timeout: -1,
     });
     expect(typeof agent).toBe("function");

packages/workflow-agent-cursor/src/index.ts

@@ -1,8 +1,8 @@
-import type { WorkflowRuntime } from "@uncaged/workflow-runtime";
-import { createLogger } from "@uncaged/workflow-util";
+import type { AdapterFn, AgentFn, WorkflowRuntime } from "@uncaged/workflow-runtime";
+import { createLogger, type LogFn } from "@uncaged/workflow-util";
 import {
   buildThreadInput,
-  createTextAdapter,
+  createAgentAdapter,
   type SpawnCliError,
   spawnCli,
 } from "@uncaged/workflow-util-agent";
@@ -33,25 +33,15 @@ function resolveCursorModel(model: string | null): string {
   return model === null ? "auto" : model;
 }
 
-/** Runs `cursor-agent` with workspace extracted from thread context via runtime.extract. */
-export function createCursorAgent(config: CursorAgentConfig) {
-  const modelFlag = resolveCursorModel(config.model);
-  const timeoutMs = config.timeout > 0 ? config.timeout : null;
-  const logger = createLogger({ sink: { kind: "stderr" } });
-
-  return createTextAdapter(async (ctx, prompt, runtime: WorkflowRuntime) => {
-    const validated = validateCursorAgentConfig(config);
-    if (!validated.ok) {
-      throw new Error(validated.error);
-    }
-
-    const workspace = await extractWorkspacePath(ctx, runtime, logger);
-    if (workspace === null) {
-      throw new Error(
-        "cursor-agent: failed to extract workspace path from context. Ensure the task prompt or previous steps include a project path.",
-      );
-    }
+type CursorAgentOpt = { prompt: string; workspace: string };
 
+function createCursorAgentFn(
+  config: CursorAgentConfig,
+  modelFlag: string,
+  timeoutMs: number | null,
+  logger: LogFn,
+): AgentFn<CursorAgentOpt> {
+  return async (ctx, { prompt, workspace }) => {
     logger("R5HN3YKQ", `cursor-agent workspace: ${workspace}`);
     const threadInput = await buildThreadInput(ctx);
     const fullPrompt = `${prompt}\n\n${threadInput}`;
@@ -75,5 +65,33 @@ export function createCursorAgent(config: CursorAgentConfig) {
       throwCursorSpawnError(run.error);
     }
     return run.value;
-  });
+  };
+}
+
+/** Runs `cursor-agent` with workspace from config or extracted from thread context via runtime.extract. */
+export function createCursorAgent(config: CursorAgentConfig): AdapterFn {
+  const modelFlag = resolveCursorModel(config.model);
+  const timeoutMs = config.timeout > 0 ? config.timeout : null;
+  const logger = createLogger({ sink: { kind: "stderr" } });
+
+  return createAgentAdapter(
+    createCursorAgentFn(config, modelFlag, timeoutMs, logger),
+    async (ctx, prompt, runtime: WorkflowRuntime) => {
+      const validated = validateCursorAgentConfig(config);
+      if (!validated.ok) {
+        throw new Error(validated.error);
+      }
+
+      const workspace =
+        config.workspace !== null
+          ? config.workspace
+          : await extractWorkspacePath(ctx, runtime, logger);
+      if (workspace === null) {
+        throw new Error(
+          "cursor-agent: failed to extract workspace path from context. Ensure the task prompt or previous steps include a project path.",
+        );
+      }
+      return { prompt, workspace };
+    },
+  );
 }

packages/workflow-agent-cursor/src/types.ts

@@ -3,4 +3,9 @@ export type CursorAgentConfig = {
   command: string;
   model: string | null;
   timeout: number;
+  /**
+   * When non-null, use this workspace directory for `cursor-agent` instead of resolving it
+   * from the thread via runtime extraction.
+   */
+  workspace: string | null;
 };

packages/workflow-agent-cursor/src/validate-config.ts

@@ -11,5 +11,8 @@ export function validateCursorAgentConfig(config: CursorAgentConfig): Result<voi
   if (config.timeout < 0) {
     return err("timeout must be a non-negative number (milliseconds); use 0 for no limit");
   }
+  if (config.workspace !== null && !isAbsolute(config.workspace)) {
+    return err("workspace must be an absolute filesystem path when set");
+  }
   return ok(undefined);
 }

packages/workflow-agent-cursor/tsconfig.json

@@ -6,5 +6,9 @@
     "composite": true
   },
   "include": ["src/**/*.ts"],
-  "references": [{ "path": "../workflow-runtime" }, { "path": "../workflow-util-agent" }]
+  "references": [
+    { "path": "../workflow-cas" },
+    { "path": "../workflow-runtime" },
+    { "path": "../workflow-util-agent" }
+  ]
 }

packages/workflow-agent-hermes/src/index.ts

@@ -1,7 +1,7 @@
-import type { AdapterFn } from "@uncaged/workflow-runtime";
+import type { AdapterFn, AgentFn } from "@uncaged/workflow-runtime";
 import {
   buildThreadInput,
-  createTextAdapter,
+  createAgentAdapter,
   type SpawnCliError,
   spawnCli,
 } from "@uncaged/workflow-util-agent";
@@ -11,6 +11,8 @@ import { validateHermesAgentConfig } from "./validate-config.js";
 
 const HERMES_DEFAULT_MAX_TURNS = 90;
 
+type HermesAgentOpt = { prompt: string };
+
 export type { HermesAgentConfig } from "./types.js";
 export { validateHermesAgentConfig } from "./validate-config.js";
 
@@ -29,16 +31,10 @@ function throwHermesSpawnError(error: SpawnCliError): never {
   throw new Error("hermes: unknown spawn error");
 }
 
-/** Runs `hermes chat` non-interactively with the Nerve-style argv contract (`-q`, `--yolo`, `--quiet`). */
-export function createHermesAgent(config: HermesAgentConfig): AdapterFn {
+function createHermesAgentFn(config: HermesAgentConfig): AgentFn<HermesAgentOpt> {
   const timeoutMs = config.timeout;
 
-  return createTextAdapter(async (ctx, prompt, _runtime) => {
-    const validated = validateHermesAgentConfig(config);
-    if (!validated.ok) {
-      throw new Error(validated.error);
-    }
-
+  return async (ctx, { prompt }) => {
     const threadInput = await buildThreadInput(ctx);
     const fullPrompt = `${prompt}\n\n${threadInput}`;
     const args = [
@@ -61,5 +57,16 @@ export function createHermesAgent(config: HermesAgentConfig): AdapterFn {
       throwHermesSpawnError(run.error);
     }
     return run.value;
+  };
+}
+
+/** Runs `hermes chat` non-interactively with the Nerve-style argv contract (`-q`, `--yolo`, `--quiet`). */
+export function createHermesAgent(config: HermesAgentConfig): AdapterFn {
+  return createAgentAdapter(createHermesAgentFn(config), async (_ctx, prompt, _runtime) => {
+    const validated = validateHermesAgentConfig(config);
+    if (!validated.ok) {
+      throw new Error(validated.error);
+    }
+    return { prompt };
   });
 }

packages/workflow-agent-llm/src/create-llm-adapter.ts

@@ -1,5 +1,12 @@
-import { type AdapterFn, err, type LlmProvider, ok, type Result } from "@uncaged/workflow-runtime";
-import { createTextAdapter } from "@uncaged/workflow-util-agent";
+import {
+  type AdapterFn,
+  type AgentFn,
+  err,
+  type LlmProvider,
+  ok,
+  type Result,
+} from "@uncaged/workflow-runtime";
+import { createAgentAdapter } from "@uncaged/workflow-util-agent";
 
 /** OpenAI chat completion message shape (passed to `/chat/completions`). */
 export type LlmMessage = { role: "system" | "user" | "assistant"; content: string };
@@ -91,9 +98,10 @@ export async function chatCompletionText(options: {
   return parseAssistantText(res.value);
 }
 
-/** Single-turn chat adapter: system prompt is passed by the workflow engine. */
-export function createLlmAdapter(provider: LlmProvider): AdapterFn {
-  return createTextAdapter(async (ctx, prompt, _runtime) => {
+type LlmAgentOpt = { prompt: string };
+
+function createLlmAgent(provider: LlmProvider): AgentFn<LlmAgentOpt> {
+  return async (ctx, { prompt }) => {
     const result = await chatCompletionText({
       provider,
       messages: [
@@ -105,5 +113,12 @@ export function createLlmAdapter(provider: LlmProvider): AdapterFn {
       throw new Error(`llm: ${formatLlmChatError(result.error)}`);
     }
     return result.value;
-  });
+  };
+}
+
+/** Single-turn chat adapter: system prompt is passed by the workflow engine. */
+export function createLlmAdapter(provider: LlmProvider): AdapterFn {
+  return createAgentAdapter(createLlmAgent(provider), async (_ctx, prompt, _runtime) => ({
+    prompt,
+  }));
 }

packages/workflow-cas/tsconfig.json

@@ -2,7 +2,8 @@
   "extends": "../../tsconfig.json",
   "compilerOptions": {
     "rootDir": "src",
-    "outDir": "dist"
+    "outDir": "dist",
+    "composite": true
   },
   "include": ["src"],
   "references": [{ "path": "../workflow-protocol" }, { "path": "../workflow-util" }]

packages/workflow-protocol/src/index.ts

@@ -13,6 +13,7 @@ export type {
   AdapterFn,
   AdvanceOutcome,
   AgentContext,
+  AgentFn,
   CasStore,
   ExtractFn,
   ExtractResult,

packages/workflow-protocol/src/types.ts

@@ -151,6 +151,15 @@ export type RoleFn<T> = (ctx: ThreadContext, runtime: WorkflowRuntime) => Promis
 
 export type AdapterFn = <T>(prompt: string, schema: z.ZodType<T>) => RoleFn<T>;
 
+/**
+ * Core agent function. Input is always {@link ThreadContext}, output is always string.
+ * `Opt` captures agent-specific structured options.
+ * Agents with no extra options use `AgentFn` (Opt defaults to void).
+ */
+export type AgentFn<Opt = void> = Opt extends void
+  ? (ctx: ThreadContext) => Promise<string>
+  : (ctx: ThreadContext, options: Opt) => Promise<string>;
+
 export type AdapterBinding = {
   adapter: AdapterFn;
   overrides: Partial<Record<string, AdapterFn>> | null;

packages/workflow-runtime/src/index.ts

@@ -5,6 +5,7 @@ export type {
   AdapterBinding,
   AdapterFn,
   AgentContext,
+  AgentFn,
   CasStore,
   ExtractFn,
   ExtractResult,

packages/workflow-runtime/src/types.ts

@@ -7,6 +7,7 @@ export type {
   AdapterFn,
   AdvanceOutcome,
   AgentContext,
+  AgentFn,
   CasStore,
   ExtractFn,
   ExtractResult,

packages/workflow-template-develop/bundle-entry.ts

@@ -8,15 +8,6 @@ import { createWorkflow } from "@uncaged/workflow-runtime";
 import { optionalEnv, requireEnv } from "@uncaged/workflow-util";
 import { buildDevelopDescriptor, developWorkflowDefinition } from "./src/index.js";
 
-const llmProvider = {
-  baseUrl: optionalEnv(
-    "WORKFLOW_LLM_BASE_URL",
-    "https://dashscope.aliyuncs.com/compatible-mode/v1",
-  ),
-  apiKey: requireEnv("WORKFLOW_LLM_API_KEY", "set WORKFLOW_LLM_API_KEY for meta extraction"),
-  model: optionalEnv("WORKFLOW_LLM_MODEL", "qwen-plus"),
-};
-
 const adapter = createCursorAgent({
   command: requireEnv("WORKFLOW_CURSOR_COMMAND", "set WORKFLOW_CURSOR_COMMAND (e.g. cursor-agent)"),
   model: optionalEnv("WORKFLOW_CURSOR_MODEL"),
@@ -24,7 +15,6 @@ const adapter = createCursorAgent({
     ? Number(optionalEnv("WORKFLOW_CURSOR_TIMEOUT"))
     : 0,
   workspace: null,
-  llmProvider,
 });
 
 const wf = createWorkflow(developWorkflowDefinition, { adapter, overrides: null });

packages/workflow-util-agent/src/create-agent-adapter.ts

@@ -0,0 +1,48 @@
+import { putContentNodeWithRefs } from "@uncaged/workflow-cas";
+import type {
+  AdapterFn,
+  AgentFn,
+  RoleResult,
+  ThreadContext,
+  WorkflowRuntime,
+} from "@uncaged/workflow-runtime";
+import type * as z from "zod/v4";
+
+export type ExtractOptionsFn<Opt> = (
+  ctx: ThreadContext,
+  prompt: string,
+  runtime: WorkflowRuntime,
+) => Promise<Opt>;
+
+/**
+ * Bridges {@link AgentFn} to {@link AdapterFn}.
+ *
+ * 1. extract(ctx, prompt, runtime) → Opt
+ * 2. agent(ctx, options) → raw string
+ * 3. Store raw string in CAS
+ * 4. runtime.extract(schema, contentHash) → typed meta T
+ */
+export function createAgentAdapter<Opt>(
+  agent: AgentFn<Opt>,
+  extract: ExtractOptionsFn<Opt>,
+): AdapterFn {
+  return <T>(prompt: string, schema: z.ZodType<T>) => {
+    return async (ctx: ThreadContext, runtime: WorkflowRuntime): Promise<RoleResult<T>> => {
+      const options = await extract(ctx, prompt, runtime);
+      const raw = await (agent as (ctx: ThreadContext, optionsParam: Opt) => Promise<string>)(
+        ctx,
+        options,
+      );
+      const contentHash = await putContentNodeWithRefs(runtime.cas, raw, []);
+      const extracted = await runtime.extract(
+        schema as z.ZodType<Record<string, unknown>>,
+        contentHash,
+      );
+      return { meta: extracted.meta as T, childThread: null };
+    };
+  };
+}
+
+export function createSimpleAgentAdapter(agent: AgentFn<void>): AdapterFn {
+  return createAgentAdapter(agent, async () => undefined as unknown as undefined);
+}

packages/workflow-util-agent/src/create-text-adapter.ts

@@ -1,54 +0,0 @@
-import { putContentNodeWithRefs } from "@uncaged/workflow-cas";
-import type {
-  AdapterFn,
-  RoleResult,
-  ThreadContext,
-  WorkflowRuntime,
-} from "@uncaged/workflow-runtime";
-import type * as z from "zod/v4";
-
-export type { WorkflowRuntime } from "@uncaged/workflow-runtime";
-
-/**
- * Result from a text-producing agent (CLI spawn, LLM call, etc.).
- * `output` is the raw text; `childThread` links to a spawned sub-workflow.
- */
-export type TextAdapterResult = {
-  output: string;
-  childThread: string | null;
-};
-
-/**
- * A function that produces raw text output given the thread context and
- * the system prompt for the current role.
- */
-export type TextProducerFn = (
-  ctx: ThreadContext,
-  prompt: string,
-  runtime: WorkflowRuntime,
-) => Promise<string | TextAdapterResult>;
-
-/**
- * Creates an {@link AdapterFn} from a text-producing function.
- *
- * The adapter:
- * 1. Calls the producer with thread context + system prompt
- * 2. Stores output in CAS
- * 3. Runs the extract phase to produce typed meta
- * 4. Returns `{ meta, childThread }`
- */
-export function createTextAdapter(producer: TextProducerFn): AdapterFn {
-  return <T>(prompt: string, schema: z.ZodType<T>) => {
-    return async (ctx: ThreadContext, runtime: WorkflowRuntime): Promise<RoleResult<T>> => {
-      const result = await producer(ctx, prompt, runtime);
-      const output = typeof result === "string" ? result : result.output;
-      const childThread = typeof result === "string" ? null : result.childThread;
-      const contentHash = await putContentNodeWithRefs(runtime.cas, output, []);
-      const extracted = await runtime.extract(
-        schema as z.ZodType<Record<string, unknown>>,
-        contentHash,
-      );
-      return { meta: extracted.meta as T, childThread };
-    };
-  };
-}

packages/workflow-util-agent/src/index.ts

@@ -1,5 +1,5 @@
 export { buildAgentPrompt, buildThreadInput } from "./build-agent-prompt.js";
-export type { TextAdapterResult, TextProducerFn } from "./create-text-adapter.js";
-export { createTextAdapter } from "./create-text-adapter.js";
+export type { ExtractOptionsFn } from "./create-agent-adapter.js";
+export { createAgentAdapter, createSimpleAgentAdapter } from "./create-agent-adapter.js";
 export type { SpawnCliConfig, SpawnCliError, SpawnCliResult } from "./spawn-cli.js";
 export { spawnCli } from "./spawn-cli.js";