Merge pull request 'refactor: 七包拆分 — protocol / runtime / util / cas / reactor / register / execute' (#151) from refactor/143-split-packages into main

packages/cli-workflow/__tests__/commands.test.ts

@@ -3,13 +3,9 @@ import { mkdir, mkdtemp, readFile, rm, unlink, writeFile } from "node:fs/promise
 import { tmpdir } from "node:os";
 import { join } from "node:path";
 
-import {
-  createContentMerkleNode,
-  getGlobalCasDir,
-  getRegisteredWorkflow,
-  readWorkflowRegistry,
-  serializeMerkleNode,
-} from "@uncaged/workflow";
+import { getGlobalCasDir } from "@uncaged/workflow-util";
+import { createContentMerkleNode, serializeMerkleNode } from "@uncaged/workflow-cas";
+import { getRegisteredWorkflow, readWorkflowRegistry } from "@uncaged/workflow-register";
 import { cmdCasGet, cmdCasList, cmdCasPut, cmdCasRm } from "../src/commands/cas/index.js";
 import {
   cmdAdd,
@@ -25,7 +21,7 @@ import { addCliArgs } from "./bundle-fixture.js";
 const fixtureDescriptor = `export const descriptor = { description: "fixture", roles: {} };
 `;
 
-const wfPutImport = `import { putContentMerkleNode } from "@uncaged/workflow";
+const wfPutImport = `import { putContentMerkleNode } from "@uncaged/workflow-cas";
 `;
 
 function casStoredForm(raw: string): string {

packages/cli-workflow/__tests__/fork-cli.test.ts

@@ -2,7 +2,8 @@ import { afterEach, beforeEach, describe, expect, test } from "bun:test";
 import { mkdir, mkdtemp, readFile, rm, writeFile } from "node:fs/promises";
 import { tmpdir } from "node:os";
 import { join } from "node:path";
-import { createCasStore, getContentMerklePayload, getGlobalCasDir } from "@uncaged/workflow";
+import { createCasStore, getContentMerklePayload } from "@uncaged/workflow-cas";
+import { getGlobalCasDir } from "@uncaged/workflow-util";
 import { cmdFork, cmdRun } from "../src/commands/thread/index.js";
 import { cmdAdd } from "../src/commands/workflow/index.js";
 import { pathExists } from "../src/fs-utils.js";
@@ -10,7 +11,7 @@ import { addCliArgs } from "./bundle-fixture.js";
 import { ensureTestWorkflowRegistryConfig } from "./workflow-registry-fixture.js";
 
 /** Three-role workflow that respects `input.steps` for fork/resume. */
-const threeRoleBundleSource = `import { putContentMerkleNode } from "@uncaged/workflow";
+const threeRoleBundleSource = `import { putContentMerkleNode } from "@uncaged/workflow-cas";
 
 export const descriptor = {
   description: "fork-cli",

packages/cli-workflow/__tests__/gc-cli.test.ts

@@ -4,12 +4,9 @@ import { mkdir, mkdtemp, rm, writeFile } from "node:fs/promises";
 import { tmpdir } from "node:os";
 import { join } from "node:path";
 import { fileURLToPath } from "node:url";
-import {
-  createCasStore,
-  garbageCollectCas,
-  getGlobalCasDir,
-  putContentMerkleNode,
-} from "@uncaged/workflow";
+import { createCasStore, putContentMerkleNode } from "@uncaged/workflow-cas";
+import { getGlobalCasDir } from "@uncaged/workflow-util";
+import { garbageCollectCas } from "@uncaged/workflow-execute";
 import { cmdThreadRemove } from "../src/commands/thread/index.js";
 import { pathExists } from "../src/fs-utils.js";
 

packages/cli-workflow/__tests__/init-template.test.ts

@@ -50,7 +50,6 @@ describe("init template", () => {
       dependencies: Record<string, string>;
     };
     expect(pkg.type).toBe("module");
-    expect(pkg.dependencies["@uncaged/workflow"]).toBeDefined();
     expect(pkg.dependencies["@uncaged/workflow-runtime"]).toBeDefined();
     expect(pkg.dependencies.zod).toBeDefined();
     expect(pkg.name).toContain("review-pr");

packages/cli-workflow/__tests__/init-workspace.test.ts

@@ -46,7 +46,7 @@ describe("init workspace", () => {
       dependencies: Record<string, string>;
     };
     expect(wfPkg.type).toBe("module");
-    expect(wfPkg.dependencies["@uncaged/workflow"]).toBeDefined();
+    expect(wfPkg.dependencies["@uncaged/workflow-runtime"]).toBeDefined();
     expect(wfPkg.dependencies.zod).toBeDefined();
 
     const tsconfig = JSON.parse(await readFile(join(root, "tsconfig.json"), "utf8")) as {

packages/cli-workflow/__tests__/live.test.ts

@@ -5,7 +5,8 @@ import { tmpdir } from "node:os";
 import { join } from "node:path";
 import { fileURLToPath } from "node:url";
 
-import { createCasStore, getGlobalCasDir, putContentMerkleNode } from "@uncaged/workflow";
+import { createCasStore, putContentMerkleNode } from "@uncaged/workflow-cas";
+import { getGlobalCasDir } from "@uncaged/workflow-util";
 
 import {
   formatLiveDebugLine,

packages/cli-workflow/__tests__/serve.test.ts

@@ -1,6 +1,6 @@
 import { describe, expect, test } from "bun:test";
 
-import { createContentMerkleNode, serializeMerkleNode } from "@uncaged/workflow";
+import { createContentMerkleNode, serializeMerkleNode } from "@uncaged/workflow-cas";
 
 import { createApp } from "../src/commands/serve/app.js";
 

packages/cli-workflow/__tests__/storage-env.test.ts

@@ -1,5 +1,5 @@
 import { afterEach, beforeEach, describe, expect, test } from "bun:test";
-import { getDefaultWorkflowStorageRoot } from "@uncaged/workflow";
+import { getDefaultWorkflowStorageRoot } from "@uncaged/workflow-util";
 import { resolveWorkflowStorageRoot } from "../src/storage-env.js";
 
 describe("resolveWorkflowStorageRoot", () => {

packages/cli-workflow/__tests__/thread-cli.test.ts

@@ -4,7 +4,7 @@ import { mkdir, mkdtemp, readFile, rm, writeFile } from "node:fs/promises";
 import { tmpdir } from "node:os";
 import { dirname, join } from "node:path";
 import { fileURLToPath } from "node:url";
-import { getGlobalCasDir } from "@uncaged/workflow";
+import { getGlobalCasDir } from "@uncaged/workflow-util";
 import { cmdCasPut } from "../src/commands/cas/index.js";
 import {
   cmdKill,
@@ -21,7 +21,7 @@ import { pathExists, readTextFileIfExists } from "../src/fs-utils.js";
 import { addCliArgs } from "./bundle-fixture.js";
 import { ensureTestWorkflowRegistryConfig } from "./workflow-registry-fixture.js";
 
-const wfPutImport = `import { putContentMerkleNode } from "@uncaged/workflow";
+const wfPutImport = `import { putContentMerkleNode } from "@uncaged/workflow-cas";
 `;
 
 const threadFixtureDescriptor = `export const descriptor = {

packages/cli-workflow/package.json

@@ -6,8 +6,12 @@
     "uncaged-workflow": "src/cli.ts"
   },
   "dependencies": {
+    "@uncaged/workflow-protocol": "workspace:*",
+    "@uncaged/workflow-util": "workspace:*",
+    "@uncaged/workflow-cas": "workspace:*",
+    "@uncaged/workflow-execute": "workspace:*",
+    "@uncaged/workflow-register": "workspace:*",
     "@uncaged/workflow-runtime": "workspace:*",
-    "@uncaged/workflow": "workspace:*",
     "hono": "^4.12.18",
     "yaml": "^2.8.4"
   },

packages/cli-workflow/src/bundle-store.ts

@@ -1,7 +1,7 @@
 import { mkdir, readFile, writeFile } from "node:fs/promises";
 import { join } from "node:path";
 
-import { err, ok, type Result } from "@uncaged/workflow";
+import { err, ok, type Result } from "@uncaged/workflow-protocol";
 
 import { pathExists } from "./fs-utils.js";
 

packages/cli-workflow/src/commands/cas/gc.ts

@@ -1,4 +1,5 @@
-import { type GcResult, garbageCollectCas, type Result } from "@uncaged/workflow";
+import type { Result } from "@uncaged/workflow-protocol";
+import { type GcResult, garbageCollectCas } from "@uncaged/workflow-execute";
 
 export async function cmdGc(storageRoot: string): Promise<Result<GcResult, string>> {
   return garbageCollectCas(storageRoot);

packages/cli-workflow/src/commands/cas/get.ts

@@ -1,4 +1,6 @@
-import { createCasStore, err, getGlobalCasDir, ok, type Result } from "@uncaged/workflow";
+import { err, ok, type Result } from "@uncaged/workflow-protocol";
+import { getGlobalCasDir } from "@uncaged/workflow-util";
+import { createCasStore } from "@uncaged/workflow-cas";
 
 export async function cmdCasGet(
   storageRoot: string,

packages/cli-workflow/src/commands/cas/list.ts

@@ -1,4 +1,6 @@
-import { createCasStore, getGlobalCasDir, ok, type Result } from "@uncaged/workflow";
+import { ok, type Result } from "@uncaged/workflow-protocol";
+import { getGlobalCasDir } from "@uncaged/workflow-util";
+import { createCasStore } from "@uncaged/workflow-cas";
 
 export async function cmdCasList(storageRoot: string): Promise<Result<string[], string>> {
   const cas = createCasStore(getGlobalCasDir(storageRoot));

packages/cli-workflow/src/commands/cas/put.ts

@@ -1,4 +1,6 @@
-import { createCasStore, getGlobalCasDir, ok, type Result } from "@uncaged/workflow";
+import { ok, type Result } from "@uncaged/workflow-protocol";
+import { getGlobalCasDir } from "@uncaged/workflow-util";
+import { createCasStore } from "@uncaged/workflow-cas";
 
 export async function cmdCasPut(
   storageRoot: string,

packages/cli-workflow/src/commands/cas/rm.ts

@@ -1,4 +1,6 @@
-import { createCasStore, getGlobalCasDir, ok, type Result } from "@uncaged/workflow";
+import { ok, type Result } from "@uncaged/workflow-protocol";
+import { getGlobalCasDir } from "@uncaged/workflow-util";
+import { createCasStore } from "@uncaged/workflow-cas";
 
 export async function cmdCasRm(storageRoot: string, hash: string): Promise<Result<void, string>> {
   const cas = createCasStore(getGlobalCasDir(storageRoot));

packages/cli-workflow/src/commands/init/template.ts

@@ -1,7 +1,7 @@
 import { mkdir, readFile, writeFile } from "node:fs/promises";
 import { dirname, join, resolve } from "node:path";
 
-import { err, ok, type Result } from "@uncaged/workflow";
+import { err, ok, type Result } from "@uncaged/workflow-protocol";
 
 import { pathExists } from "../../fs-utils.js";
 

packages/cli-workflow/src/commands/init/templates.ts

@@ -6,7 +6,6 @@ export function templatePackageJson(templateName: string): string {
       private: true,
       type: "module",
       dependencies: {
-        "@uncaged/workflow": "^0.1.0",
         "@uncaged/workflow-runtime": "^0.1.0",
         zod: "^4.0.0",
       },

packages/cli-workflow/src/commands/init/validate.ts

@@ -1,4 +1,4 @@
-import { err, ok, type Result } from "@uncaged/workflow";
+import { err, ok, type Result } from "@uncaged/workflow-protocol";
 
 /** Validates a single path segment for workspace / template names (no separators, not `.` / `..`). */
 export function validateWorkspaceSegment(name: string): Result<void, string> {

packages/cli-workflow/src/commands/init/workspace.ts

@@ -1,7 +1,7 @@
 import { mkdir, writeFile } from "node:fs/promises";
 import { join } from "node:path";
 
-import { err, ok, type Result } from "@uncaged/workflow";
+import { err, ok, type Result } from "@uncaged/workflow-protocol";
 
 import { pathExists } from "../../fs-utils.js";
 import type { CmdInitWorkspaceSuccess } from "./types.js";
@@ -28,7 +28,7 @@ function workflowsPackageJson(): string {
       private: true,
       type: "module",
       dependencies: {
-        "@uncaged/workflow": "^0.1.0",
+        "@uncaged/workflow-runtime": "^0.1.0",
         zod: "^4.0.0",
       },
     },

packages/cli-workflow/src/commands/serve/routes-cas.ts

@@ -1,4 +1,6 @@
-import { createCasStore, garbageCollectCas, getGlobalCasDir } from "@uncaged/workflow";
+import { getGlobalCasDir } from "@uncaged/workflow-util";
+import { createCasStore } from "@uncaged/workflow-cas";
+import { garbageCollectCas } from "@uncaged/workflow-execute";
 import { Hono } from "hono";
 
 export function createCasRoutes(storageRoot: string): Hono {

packages/cli-workflow/src/commands/serve/routes-workflow.ts

@@ -2,7 +2,7 @@ import {
   getRegisteredWorkflow,
   listRegisteredWorkflowNames,
   readWorkflowRegistry,
-} from "@uncaged/workflow";
+} from "@uncaged/workflow-register";
 import { Hono } from "hono";
 
 export function createWorkflowRoutes(storageRoot: string): Hono {

packages/cli-workflow/src/commands/serve/serve.ts

@@ -1,4 +1,4 @@
-import { err, ok, type Result } from "@uncaged/workflow";
+import { err, ok, type Result } from "@uncaged/workflow-protocol";
 import { serve } from "bun";
 
 import { printCliLine } from "../../cli-output.js";

packages/cli-workflow/src/commands/thread/control.ts

@@ -1,4 +1,4 @@
-import type { Result } from "@uncaged/workflow";
+import type { Result } from "@uncaged/workflow-protocol";
 
 import {
   readWorkerCtl,

packages/cli-workflow/src/commands/thread/fork-argv.ts

@@ -1,4 +1,4 @@
-import { err, ok, type Result } from "@uncaged/workflow";
+import { err, ok, type Result } from "@uncaged/workflow-protocol";
 
 import type { ParsedForkArgv } from "./types.js";
 

packages/cli-workflow/src/commands/thread/fork.ts

@@ -1,6 +1,8 @@
 import { join } from "node:path";
 
-import { buildForkPlan, err, generateUlid, ok, type Result } from "@uncaged/workflow";
+import { err, ok, type Result } from "@uncaged/workflow-protocol";
+import { generateUlid } from "@uncaged/workflow-util";
+import { buildForkPlan } from "@uncaged/workflow-execute";
 
 import { pathExists, readTextFileIfExists } from "../../fs-utils.js";
 import { resolveThreadDataPath } from "../../thread-scan.js";

packages/cli-workflow/src/commands/thread/list.ts

@@ -1,4 +1,4 @@
-import { err, ok, type Result } from "@uncaged/workflow";
+import { err, ok, type Result } from "@uncaged/workflow-protocol";
 
 import { listHistoricalThreads } from "../../thread-scan.js";
 import { validateCliWorkflowName } from "../../workflow-name.js";

packages/cli-workflow/src/commands/thread/live.ts

@@ -2,15 +2,10 @@ import { watch } from "node:fs";
 import { readFile } from "node:fs/promises";
 import { dirname, join } from "node:path";
 
-import {
-  type CasStore,
-  createCasStore,
-  getContentMerklePayload,
-  getGlobalCasDir,
-  tryParseRoleStepRecord,
-  tryParseWorkflowResultRecord,
-} from "@uncaged/workflow";
-import type { WorkflowCompletion } from "@uncaged/workflow-runtime";
+import type { CasStore, WorkflowCompletion } from "@uncaged/workflow-protocol";
+import { getGlobalCasDir } from "@uncaged/workflow-util";
+import { createCasStore, getContentMerklePayload } from "@uncaged/workflow-cas";
+import { tryParseRoleStepRecord, tryParseWorkflowResultRecord } from "@uncaged/workflow-execute";
 
 import { dimGreyLine, highlightLiveRole } from "../../cli-color.js";
 import { printCliError, printCliLine } from "../../cli-output.js";

packages/cli-workflow/src/commands/thread/rm.ts

@@ -1,7 +1,8 @@
 import { unlink } from "node:fs/promises";
 import { dirname, join } from "node:path";
 
-import { err, garbageCollectCas, ok, type Result } from "@uncaged/workflow";
+import { err, ok, type Result } from "@uncaged/workflow-protocol";
+import { garbageCollectCas } from "@uncaged/workflow-execute";
 
 import { resolveThreadDataPath } from "../../thread-scan.js";
 

packages/cli-workflow/src/commands/thread/run.ts

@@ -1,13 +1,8 @@
 import { join } from "node:path";
 
-import {
-  err,
-  generateUlid,
-  getRegisteredWorkflow,
-  ok,
-  type Result,
-  readWorkflowRegistry,
-} from "@uncaged/workflow";
+import { err, ok, type Result } from "@uncaged/workflow-protocol";
+import { generateUlid } from "@uncaged/workflow-util";
+import { getRegisteredWorkflow, readWorkflowRegistry } from "@uncaged/workflow-register";
 import { ensureWorkerForHash, sendWorkerTcpCommand } from "../../worker-spawn.js";
 import { validateCliWorkflowName } from "../../workflow-name.js";
 

packages/cli-workflow/src/commands/thread/show.ts

@@ -1,4 +1,4 @@
-import { err, ok, type Result } from "@uncaged/workflow";
+import { err, ok, type Result } from "@uncaged/workflow-protocol";
 
 import { readTextFileIfExists } from "../../fs-utils.js";
 import { resolveThreadDataPath } from "../../thread-scan.js";

packages/cli-workflow/src/commands/workflow/add-argv.ts

@@ -1,4 +1,4 @@
-import { err, ok, type Result } from "@uncaged/workflow";
+import { err, ok, type Result } from "@uncaged/workflow-protocol";
 
 import type { ParsedAddArgv } from "./types.js";
 

packages/cli-workflow/src/commands/workflow/add.ts

@@ -1,18 +1,16 @@
 import { readFile, stat } from "node:fs/promises";
 import { basename, resolve } from "node:path";
 
+import { err, ok, type Result } from "@uncaged/workflow-protocol";
+import { hashWorkflowBundleBytes } from "@uncaged/workflow-cas";
 import {
-  err,
   extractBundleExports,
-  hashWorkflowBundleBytes,
-  ok,
-  type Result,
   readWorkflowRegistry,
   registerWorkflowVersion,
   stringifyWorkflowDescriptor,
   validateWorkflowBundle,
   writeWorkflowRegistry,
-} from "@uncaged/workflow";
+} from "@uncaged/workflow-register";
 
 import { storeWorkflowBundleArtifacts } from "../../bundle-store.js";
 import { validateCliWorkflowName } from "../../workflow-name.js";

packages/cli-workflow/src/commands/workflow/history.ts

@@ -1,10 +1,5 @@
-import {
-  err,
-  getRegisteredWorkflow,
-  ok,
-  type Result,
-  readWorkflowRegistry,
-} from "@uncaged/workflow";
+import { err, ok, type Result } from "@uncaged/workflow-protocol";
+import { getRegisteredWorkflow, readWorkflowRegistry } from "@uncaged/workflow-register";
 
 import { validateCliWorkflowName } from "../../workflow-name.js";
 

packages/cli-workflow/src/commands/workflow/list.ts

@@ -1,11 +1,9 @@
+import { err, ok, type Result } from "@uncaged/workflow-protocol";
 import {
-  err,
   listRegisteredWorkflowNames,
-  ok,
-  type Result,
   readWorkflowRegistry,
   type WorkflowRegistryFile,
-} from "@uncaged/workflow";
+} from "@uncaged/workflow-register";
 
 export async function cmdList(storageRoot: string): Promise<Result<WorkflowRegistryFile, string>> {
   const reg = await readWorkflowRegistry(storageRoot);

packages/cli-workflow/src/commands/workflow/rm.ts

@@ -1,11 +1,9 @@
+import { err, ok, type Result } from "@uncaged/workflow-protocol";
 import {
-  err,
-  ok,
-  type Result,
   readWorkflowRegistry,
   unregisterWorkflow,
   writeWorkflowRegistry,
-} from "@uncaged/workflow";
+} from "@uncaged/workflow-register";
 
 import { validateCliWorkflowName } from "../../workflow-name.js";
 

packages/cli-workflow/src/commands/workflow/rollback.ts

@@ -1,14 +1,12 @@
 import { join } from "node:path";
 
+import { err, ok, type Result } from "@uncaged/workflow-protocol";
 import {
-  err,
   getRegisteredWorkflow,
-  ok,
-  type Result,
   readWorkflowRegistry,
   rollbackWorkflowToHistoryHash,
   writeWorkflowRegistry,
-} from "@uncaged/workflow";
+} from "@uncaged/workflow-register";
 
 import { pathExists } from "../../fs-utils.js";
 import { validateCliWorkflowName } from "../../workflow-name.js";

packages/cli-workflow/src/commands/workflow/show.ts

@@ -1,11 +1,9 @@
+import { err, ok, type Result } from "@uncaged/workflow-protocol";
 import {
-  err,
   getRegisteredWorkflow,
-  ok,
-  type Result,
   readWorkflowRegistry,
   type WorkflowRegistryEntry,
-} from "@uncaged/workflow";
+} from "@uncaged/workflow-register";
 import { stringify } from "yaml";
 
 import { validateCliWorkflowName } from "../../workflow-name.js";

packages/cli-workflow/src/live-argv.ts

@@ -1,4 +1,4 @@
-import { err, ok, type Result } from "@uncaged/workflow";
+import { err, ok, type Result } from "@uncaged/workflow-protocol";
 
 export type ParsedLiveArgv = {
   threadId: string | null;

packages/cli-workflow/src/run-argv.ts

@@ -1,4 +1,4 @@
-import { err, ok, type Result } from "@uncaged/workflow";
+import { err, ok, type Result } from "@uncaged/workflow-protocol";
 
 export type ParsedRunArgv = {
   name: string;

packages/cli-workflow/src/storage-env.ts

@@ -1,4 +1,4 @@
-import { getDefaultWorkflowStorageRoot } from "@uncaged/workflow";
+import { getDefaultWorkflowStorageRoot } from "@uncaged/workflow-util";
 
 /**
  * Resolve storage root with env var override support.

packages/cli-workflow/src/worker-spawn.ts

@@ -3,7 +3,8 @@ import { mkdir, readdir, unlink, writeFile } from "node:fs/promises";
 import { createConnection } from "node:net";
 import { join } from "node:path";
 
-import { err, getWorkerHostScriptPath, ok, type Result } from "@uncaged/workflow";
+import { err, ok, type Result } from "@uncaged/workflow-protocol";
+import { getWorkerHostScriptPath } from "@uncaged/workflow-execute";
 
 import { pathExists, readTextFileIfExists } from "./fs-utils.js";
 

packages/cli-workflow/src/workflow-name.ts

@@ -1,4 +1,4 @@
-import { err, ok, type Result } from "@uncaged/workflow";
+import { err, ok, type Result } from "@uncaged/workflow-protocol";
 
 const WORKFLOW_NAME_RE = /^[a-z][a-z0-9]*(-[a-z0-9]+)*$/;
 

packages/cli-workflow/tsconfig.json

@@ -17,6 +17,13 @@
     "rootDir": "src",
     "types": ["bun-types"]
   },
-  "references": [{ "path": "../workflow-runtime" }, { "path": "../workflow" }],
+  "references": [
+    { "path": "../workflow-runtime" },
+    { "path": "../workflow-protocol" },
+    { "path": "../workflow-util" },
+    { "path": "../workflow-cas" },
+    { "path": "../workflow-execute" },
+    { "path": "../workflow-register" }
+  ],
   "include": ["src/**/*.ts"]
 }

packages/workflow-agent-cursor/tsconfig.json

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

packages/workflow-agent-hermes/tsconfig.json

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

packages/workflow-agent-llm/package.json

@@ -8,7 +8,6 @@
     "test": "bun test"
   },
   "dependencies": {
-    "@uncaged/workflow": "workspace:*",
     "@uncaged/workflow-runtime": "workspace:*"
   }
 }

packages/workflow-agent-llm/tsconfig.json

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

packages/workflow-cas/package.json

@@ -0,0 +1,20 @@
+{
+  "name": "@uncaged/workflow-cas",
+  "version": "0.1.0",
+  "type": "module",
+  "exports": {
+    ".": {
+      "types": "./dist/index.d.ts",
+      "import": "./src/index.ts"
+    }
+  },
+  "dependencies": {
+    "@uncaged/workflow-protocol": "workspace:*",
+    "@uncaged/workflow-util": "workspace:*",
+    "xxhashjs": "^0.2.2",
+    "yaml": "^2.7.1"
+  },
+  "devDependencies": {
+    "@types/bun": "latest"
+  }
+}

packages/workflow-cas/src/hash.ts

@@ -2,7 +2,7 @@ import { Buffer } from "node:buffer";
 
 import XXH from "xxhashjs";
 
-import { encodeUint64AsCrockford } from "../util/index.js";
+import { encodeUint64AsCrockford } from "@uncaged/workflow-util";
 
 function digestToUint64(digest: { toString(radix?: number): string }): bigint {
   const hex = digest.toString(16).padStart(16, "0");

packages/workflow-cas/src/types.ts

@@ -1,4 +1,4 @@
-export type { CasStore } from "@uncaged/workflow-runtime";
+export type { CasStore } from "@uncaged/workflow-protocol";
 
 export type MerkleNodeType = "content" | "step" | "thread";
 

packages/workflow-cas/tsconfig.json

@@ -0,0 +1,12 @@
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "rootDir": "src",
+    "outDir": "dist"
+  },
+  "include": ["src"],
+  "references": [
+    { "path": "../workflow-protocol" },
+    { "path": "../workflow-util" }
+  ]
+}

packages/workflow-execute/package.json

@@ -0,0 +1,29 @@
+{
+  "name": "@uncaged/workflow-execute",
+  "version": "0.2.0",
+  "type": "module",
+  "exports": {
+    ".": {
+      "types": "./dist/index.d.ts",
+      "import": "./src/index.ts"
+    }
+  },
+  "scripts": {
+    "test": "bun test"
+  },
+  "dependencies": {
+    "@uncaged/workflow-protocol": "workspace:*",
+    "@uncaged/workflow-runtime": "workspace:*",
+    "@uncaged/workflow-util": "workspace:*",
+    "@uncaged/workflow-cas": "workspace:*",
+    "@uncaged/workflow-reactor": "workspace:*",
+    "@uncaged/workflow-register": "workspace:*",
+    "yaml": "^2.7.1"
+  },
+  "peerDependencies": {
+    "zod": "^4.0.0"
+  },
+  "devDependencies": {
+    "zod": "^4.0.0"
+  }
+}

packages/workflow-execute/src/engine/engine.ts

@@ -15,11 +15,11 @@ import {
   getContentMerklePayload,
   putStepMerkleNode,
   putThreadMerkleNode,
-} from "../cas/index.js";
-import { resolveModel } from "../config/index.js";
+} from "@uncaged/workflow-cas";
+import { resolveModel } from "@uncaged/workflow-register";
 import { createExtract } from "../extract/index.js";
-import { readWorkflowRegistry, type WorkflowConfig } from "../registry/index.js";
-import { err, type LogFn, normalizeRefsField, ok, type Result } from "../util/index.js";
+import { readWorkflowRegistry, type WorkflowConfig } from "@uncaged/workflow-register";
+import { err, type LogFn, normalizeRefsField, ok, type Result } from "@uncaged/workflow-util";
 
 import { runSupervisor } from "./supervisor.js";
 import type { ExecuteThreadIo, ExecuteThreadOptions } from "./types.js";

packages/workflow-execute/src/engine/fork-thread.ts

@@ -1,5 +1,5 @@
 import type { WorkflowCompletion } from "@uncaged/workflow-runtime";
-import { err, normalizeRefsField, ok, type Result } from "../util/index.js";
+import { err, normalizeRefsField, ok, type Result } from "@uncaged/workflow-util";
 
 import type { ForkHistoricalStep, ForkPlan, ParsedThreadStartRecord } from "./types.js";
 

packages/workflow-execute/src/engine/gc.ts

@@ -1,7 +1,7 @@
 import { readdir, readFile } from "node:fs/promises";
 import { join } from "node:path";
-import { type CasStore, createCasStore } from "../cas/index.js";
-import { err, getGlobalCasDir, ok, type Result } from "../util/index.js";
+import { type CasStore, createCasStore } from "@uncaged/workflow-cas";
+import { err, getGlobalCasDir, ok, type Result } from "@uncaged/workflow-util";
 import { parseThreadDataJsonl } from "./fork-thread.js";
 import type { GcResult } from "./types.js";
 

packages/workflow-execute/src/engine/supervisor.ts

@@ -1,10 +1,10 @@
 import * as z from "zod/v4";
 
-import { resolveModel } from "../config/index.js";
+import { resolveModel } from "@uncaged/workflow-register";
 import { extractFunctionToolFromZodSchema } from "../extract/index.js";
-import { createLlmFn, createThreadReactor } from "../reactor/index.js";
-import type { WorkflowConfig } from "../registry/index.js";
-import { err, type LogFn, ok, type Result } from "../util/index.js";
+import { createLlmFn, createThreadReactor } from "@uncaged/workflow-reactor";
+import type { WorkflowConfig } from "@uncaged/workflow-register";
+import { err, type LogFn, ok, type Result } from "@uncaged/workflow-util";
 
 import type { SupervisorDecision } from "./types.js";
 

packages/workflow-execute/src/engine/thread-pause-gate.ts

@@ -1,4 +1,4 @@
-import { err, ok, type Result } from "../util/index.js";
+import { err, ok, type Result } from "@uncaged/workflow-util";
 
 import type { ThreadPauseGate } from "./types.js";
 

packages/workflow-execute/src/engine/types.ts

@@ -1,6 +1,6 @@
 import type { RoleOutput } from "@uncaged/workflow-runtime";
-import type { CasStore } from "../cas/index.js";
-import type { Result } from "../util/index.js";
+import type { CasStore } from "@uncaged/workflow-cas";
+import type { Result } from "@uncaged/workflow-util";
 
 export type SupervisorDecision = "continue" | "stop";
 

packages/workflow-execute/src/engine/worker.ts

@@ -2,8 +2,8 @@ import { appendFile, mkdir, unlink, writeFile } from "node:fs/promises";
 import { createServer, type Socket } from "node:net";
 import { dirname, join } from "node:path";
 import type { RoleOutput, WorkflowFn, WorkflowResult } from "@uncaged/workflow-runtime";
-import { ensureUncagedWorkflowSymlink, importWorkflowBundleModule } from "../bundle/index.js";
-import { createCasStore } from "../cas/index.js";
+import { ensureUncagedWorkflowSymlink, importWorkflowBundleModule } from "@uncaged/workflow-register";
+import { createCasStore } from "@uncaged/workflow-cas";
 import {
   createLogger,
   err,
@@ -11,7 +11,7 @@ import {
   normalizeRefsField,
   ok,
   type Result,
-} from "../util/index.js";
+} from "@uncaged/workflow-util";
 import { executeThread } from "./engine.js";
 import { createThreadPauseGate } from "./thread-pause-gate.js";
 import type { ExecuteThreadIo, PrefilledDiskStep, ThreadPauseGate } from "./types.js";

packages/workflow-execute/src/extract/extract-fn.ts

@@ -1,7 +1,7 @@
 import type { ExtractContext, ExtractFn, LlmProvider } from "@uncaged/workflow-runtime";
 import type * as z from "zod/v4";
-import { type CasStore, getContentMerklePayload } from "../cas/index.js";
-import { createLlmFn, createThreadReactor } from "../reactor/index.js";
+import { type CasStore, getContentMerklePayload } from "@uncaged/workflow-cas";
+import { createLlmFn, createThreadReactor } from "@uncaged/workflow-reactor";
 import { extractFunctionToolFromZodSchema } from "./llm-extract.js";
 
 export type ExtractDeps = {

packages/workflow-execute/src/extract/llm-extract.ts

@@ -1,6 +1,6 @@
 import * as z from "zod/v4";
 
-import { err, ok, type Result } from "../util/index.js";
+import { err, ok, type Result } from "@uncaged/workflow-util";
 
 import type { LlmError, LlmExtractArgs } from "./types.js";
 

packages/workflow-execute/src/index.ts

@@ -0,0 +1,35 @@
+export { createWorkflow } from "./engine/create-workflow.js";
+export { executeThread } from "./engine/engine.js";
+export {
+  buildForkPlan,
+  parseThreadDataJsonl,
+  selectForkHistoricalSteps,
+  tryParseRoleStepRecord,
+  tryParseWorkflowResultRecord,
+} from "./engine/fork-thread.js";
+export { garbageCollectCas } from "./engine/gc.js";
+export { createThreadPauseGate } from "./engine/thread-pause-gate.js";
+export type {
+  ExecuteThreadIo,
+  ExecuteThreadOptions,
+  ForkHistoricalStep,
+  ForkPlan,
+  GcResult,
+  ParsedThreadStartRecord,
+  PrefilledDiskStep,
+  SupervisorDecision,
+  ThreadPauseGate,
+} from "./engine/types.js";
+export { getWorkerHostScriptPath } from "./engine/worker-entry-path.js";
+export {
+  buildExtractUserContent,
+  createExtract,
+  type ExtractThreadContext,
+} from "./extract/index.js";
+export {
+  extractFunctionToolFromZodSchema,
+  llmErrorToCause,
+  llmExtract,
+} from "./extract/index.js";
+export type { ExtractFn, LlmError, LlmExtractArgs } from "./extract/index.js";
+export { workflowAsAgent, type WorkflowAsAgentOptions } from "./workflow-as-agent.js";

packages/workflow-execute/src/workflow-as-agent.ts

@@ -1,17 +1,17 @@
 import { join } from "node:path";
 import type { AgentContext, AgentFn } from "@uncaged/workflow-runtime";
-import { extractBundleExports } from "./bundle/index.js";
-import { createCasStore } from "./cas/index.js";
+import { extractBundleExports } from "@uncaged/workflow-register";
+import { createCasStore } from "@uncaged/workflow-cas";
 import type { ExecuteThreadIo } from "./engine/index.js";
 import { executeThread } from "./engine/index.js";
-import type { WorkflowConfig } from "./registry/index.js";
-import { getRegisteredWorkflow, readWorkflowRegistry } from "./registry/index.js";
+import type { WorkflowConfig } from "@uncaged/workflow-register";
+import { getRegisteredWorkflow, readWorkflowRegistry } from "@uncaged/workflow-register";
 import {
   createLogger,
   generateUlid,
   getDefaultWorkflowStorageRoot,
   getGlobalCasDir,
-} from "./util/index.js";
+} from "@uncaged/workflow-util";
 
 const DEFAULT_WORKFLOW_AS_AGENT_MAX_DEPTH = 3;
 

packages/workflow-execute/tsconfig.json

@@ -0,0 +1,16 @@
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "rootDir": "src",
+    "outDir": "dist"
+  },
+  "include": ["src"],
+  "references": [
+    { "path": "../workflow-protocol" },
+    { "path": "../workflow-runtime" },
+    { "path": "../workflow-util" },
+    { "path": "../workflow-cas" },
+    { "path": "../workflow-reactor" },
+    { "path": "../workflow-register" }
+  ]
+}

packages/workflow-protocol/package.json

@@ -0,0 +1,18 @@
+{
+  "name": "@uncaged/workflow-protocol",
+  "version": "0.1.0",
+  "type": "module",
+  "exports": {
+    ".": {
+      "types": "./dist/index.d.ts",
+      "import": "./src/index.ts"
+    }
+  },
+  "peerDependencies": {
+    "zod": "^4.0.0"
+  },
+  "devDependencies": {
+    "zod": "^4.0.0",
+    "typescript": "^5.8.3"
+  }
+}

packages/workflow-protocol/src/index.ts

@@ -0,0 +1,40 @@
+// ── Types ──────────────────────────────────────────────────────────
+
+export type {
+	Result,
+	CasStore,
+	WorkflowRoleSchema,
+	WorkflowRoleDescriptor,
+	WorkflowDescriptor,
+	RoleMeta,
+	RoleOutput,
+	StartStep,
+	RoleStep,
+	ThreadContext,
+	ModeratorContext,
+	AgentContext,
+	ExtractContext,
+	WorkflowCompletion,
+	WorkflowResult,
+	LlmProvider,
+	ProviderConfig,
+	ResolvedModel,
+	WorkflowConfig,
+	ExtractFn,
+	AgentFn,
+	AgentBinding,
+	WorkflowRuntime,
+	WorkflowFn,
+	RoleDefinition,
+	Moderator,
+	WorkflowDefinition,
+	AdvanceOutcome,
+} from "./types.js";
+
+// ── Constants ──────────────────────────────────────────────────────
+
+export { START, END } from "./types.js";
+
+// ── Constructor functions ──────────────────────────────────────────
+
+export { ok, err } from "./result.js";

packages/workflow-protocol/src/result.ts

@@ -0,0 +1,9 @@
+import type { Result } from "./types.js";
+
+export function ok<T>(value: T): Result<T, never> {
+	return { ok: true, value };
+}
+
+export function err<E>(error: E): Result<never, E> {
+	return { ok: false, error };
+}

packages/workflow-protocol/src/types.ts

@@ -0,0 +1,167 @@
+import type * as z from "zod/v4";
+
+// ── Constants ──────────────────────────────────────────────────────
+
+export const START = "__start__" as const;
+export const END = "__end__" as const;
+
+// ── Result ─────────────────────────────────────────────────────────
+
+export type Result<T, E = Error> = { ok: true; value: T } | { ok: false; error: E };
+
+// ── CAS ────────────────────────────────────────────────────────────
+
+export type CasStore = {
+	put(content: string): Promise<string>;
+	get(hash: string): Promise<string | null>;
+	delete(hash: string): Promise<void>;
+	list(): Promise<string[]>;
+};
+
+// ── Workflow Descriptor ────────────────────────────────────────────
+
+export type WorkflowRoleSchema = Record<string, unknown>;
+
+export type WorkflowRoleDescriptor = {
+	description: string;
+	schema: WorkflowRoleSchema;
+};
+
+export type WorkflowDescriptor = {
+	description: string;
+	roles: Record<string, WorkflowRoleDescriptor>;
+};
+
+// ── Role & Thread ──────────────────────────────────────────────────
+
+export type RoleMeta = Record<string, Record<string, unknown>>;
+
+export type RoleOutput = {
+	role: string;
+	contentHash: string;
+	meta: Record<string, unknown>;
+	refs: string[];
+};
+
+export type StartStep = {
+	role: typeof START;
+	content: string;
+	meta: { maxRounds: number };
+	timestamp: number;
+};
+
+export type RoleStep<M extends RoleMeta> = {
+	[K in keyof M & string]: {
+		role: K;
+		meta: M[K];
+		contentHash: string;
+		refs: string[];
+		timestamp: number;
+	};
+}[keyof M & string];
+
+export type ThreadContext<M extends RoleMeta = RoleMeta> = {
+	threadId: string;
+	depth: number;
+	start: StartStep;
+	steps: RoleStep<M>[];
+};
+
+export type ModeratorContext<M extends RoleMeta = RoleMeta> = ThreadContext<M>;
+
+export type AgentContext<M extends RoleMeta = RoleMeta> = ModeratorContext<M> & {
+	currentRole: {
+		name: string;
+		systemPrompt: string;
+	};
+};
+
+export type ExtractContext<M extends RoleMeta = RoleMeta> = AgentContext<M> & {
+	agentContent: string;
+};
+
+// ── Workflow Completion ────────────────────────────────────────────
+
+export type WorkflowCompletion = {
+	returnCode: number;
+	summary: string;
+};
+
+export type WorkflowResult = WorkflowCompletion & {
+	rootHash: string;
+};
+
+// ── LLM Provider ───────────────────────────────────────────────────
+
+export type LlmProvider = {
+	baseUrl: string;
+	apiKey: string;
+	model: string;
+};
+
+export type ProviderConfig = {
+	baseUrl: string;
+	apiKey: string;
+};
+
+export type ResolvedModel = {
+	baseUrl: string;
+	apiKey: string;
+	model: string;
+};
+
+export type WorkflowConfig = {
+	maxDepth: number;
+	supervisorInterval: number;
+	providers: Record<string, ProviderConfig>;
+	models: Record<string, string>;
+};
+
+// ── Functions ──────────────────────────────────────────────────────
+
+export type ExtractFn = <T extends Record<string, unknown>>(
+	schema: z.ZodType<T>,
+	prompt: string,
+	ctx: ExtractContext,
+) => Promise<T>;
+
+export type AgentFn = (ctx: AgentContext) => Promise<string>;
+
+export type AgentBinding = {
+	agent: AgentFn;
+	overrides: Partial<Record<string, AgentFn>> | null;
+};
+
+// ── Workflow Runtime & Definition ──────────────────────────────────
+
+export type WorkflowRuntime = {
+	cas: CasStore;
+	extract: ExtractFn;
+};
+
+export type WorkflowFn = (
+	thread: ThreadContext,
+	runtime: WorkflowRuntime,
+) => AsyncGenerator<RoleOutput, WorkflowCompletion>;
+
+export type RoleDefinition<Meta extends Record<string, unknown>> = {
+	description: string;
+	systemPrompt: string;
+	extractPrompt: string;
+	schema: z.ZodType<Meta>;
+	extractRefs: ((meta: Meta) => string[]) | null;
+};
+
+export type Moderator<M extends RoleMeta> = (
+	ctx: ModeratorContext<M>,
+) => (keyof M & string) | typeof END;
+
+export type WorkflowDefinition<M extends RoleMeta> = {
+	description: string;
+	roles: { [K in keyof M & string]: RoleDefinition<M[K]> };
+	moderator: Moderator<M>;
+};
+
+export type AdvanceOutcome<M extends RoleMeta> =
+	| { kind: "complete"; completion: WorkflowCompletion }
+	| { kind: "yield"; output: RoleOutput; step: RoleStep<M> };

packages/workflow-protocol/tsconfig.json

@@ -0,0 +1,8 @@
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "rootDir": "src",
+    "outDir": "dist"
+  },
+  "include": ["src"]
+}

packages/workflow-reactor/package.json

@@ -0,0 +1,21 @@
+{
+  "name": "@uncaged/workflow-reactor",
+  "version": "0.1.0",
+  "type": "module",
+  "exports": {
+    ".": {
+      "types": "./dist/index.d.ts",
+      "import": "./src/index.ts"
+    }
+  },
+  "dependencies": {
+    "@uncaged/workflow-protocol": "workspace:*"
+  },
+  "peerDependencies": {
+    "zod": "^4.0.0"
+  },
+  "devDependencies": {
+    "zod": "^4.0.0",
+    "typescript": "^5.8.3"
+  }
+}

packages/workflow-reactor/src/llm-fn.ts

@@ -1,6 +1,6 @@
-import type { LlmProvider } from "@uncaged/workflow-runtime";
+import type { LlmProvider } from "@uncaged/workflow-protocol";
 
-import { err, ok } from "../util/index.js";
+import { err, ok } from "@uncaged/workflow-protocol";
 
 import type { ChatMessage, LlmFn, ToolDefinition } from "./types.js";
 

packages/workflow-reactor/src/thread-reactor.ts

@@ -1,6 +1,6 @@
 import type * as z from "zod/v4";
 
-import { err, ok, type Result } from "../util/index.js";
+import { err, ok, type Result } from "@uncaged/workflow-protocol";
 
 import type {
   ChatMessage,

packages/workflow-reactor/src/types.ts

@@ -1,6 +1,6 @@
 import type * as z from "zod/v4";
 
-import type { Result } from "../util/index.js";
+import type { Result } from "@uncaged/workflow-protocol";
 
 export type ToolCall = {
   id: string;

packages/workflow-reactor/tsconfig.json

@@ -0,0 +1,11 @@
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "rootDir": "src",
+    "outDir": "dist"
+  },
+  "include": ["src"],
+  "references": [
+    { "path": "../workflow-protocol" }
+  ]
+}

packages/workflow-register/package.json

@@ -0,0 +1,26 @@
+{
+  "name": "@uncaged/workflow-register",
+  "version": "0.1.0",
+  "type": "module",
+  "exports": {
+    ".": {
+      "types": "./dist/index.d.ts",
+      "import": "./src/index.ts"
+    }
+  },
+  "dependencies": {
+    "@uncaged/workflow-protocol": "workspace:*",
+    "@uncaged/workflow-util": "workspace:*"
+  },
+  "peerDependencies": {
+    "acorn": "^8.0.0",
+    "yaml": "^2.0.0",
+    "zod": "^4.0.0"
+  },
+  "devDependencies": {
+    "acorn": "^8.14.1",
+    "yaml": "^2.7.1",
+    "zod": "^4.0.0",
+    "typescript": "^5.8.3"
+  }
+}

packages/workflow-register/src/bundle/build-descriptor.ts

@@ -1,4 +1,4 @@
-import type { RoleMeta, WorkflowDefinition } from "@uncaged/workflow-runtime";
+import type { RoleMeta, WorkflowDefinition } from "@uncaged/workflow-protocol";
 import * as z from "zod/v4";
 import type { WorkflowDescriptor, WorkflowRoleSchema } from "./types.js";
 

packages/workflow-register/src/bundle/bundle-validator.ts

@@ -12,7 +12,7 @@ import type {
 } from "acorn";
 import * as acorn from "acorn";
 
-import { err, ok, type Result } from "../util/index.js";
+import { err, ok, type Result } from "@uncaged/workflow-util";
 
 import type { WorkflowBundleValidationInput } from "./types.js";
 
@@ -38,7 +38,11 @@ function isAllowedImportSpecifier(spec: string): boolean {
   if (spec.startsWith(".") || spec.startsWith("/") || spec.startsWith("file:")) {
     return false;
   }
-  if (spec === "@uncaged/workflow" || spec === "@uncaged/workflow-runtime") {
+  if (
+    spec === "@uncaged/workflow" ||
+    spec === "@uncaged/workflow-runtime" ||
+    spec === "@uncaged/workflow-cas"
+  ) {
     return true;
   }
   return isBuiltin(spec);
@@ -294,7 +298,7 @@ function validateImportDeclaration(node: ImportDeclaration): string | null {
     return "only static string import specifiers are allowed";
   }
   if (!isAllowedImportSpecifier(spec)) {
-    return `disallowed import specifier "${spec}" (only Node built-ins and "@uncaged/workflow" are allowed)`;
+    return `disallowed import specifier "${spec}" (only Node built-ins and @uncaged/workflow-* packages are allowed)`;
   }
   return null;
 }
@@ -309,7 +313,7 @@ function validateExportSource(
     return staticMessage;
   }
   if (!isAllowedImportSpecifier(spec)) {
-    return `${disallowedPrefix} "${spec}" (only Node built-ins and "@uncaged/workflow" are allowed)`;
+    return `${disallowedPrefix} "${spec}" (only Node built-ins and @uncaged/workflow-* packages are allowed)`;
   }
   return null;
 }

packages/workflow-register/src/bundle/ensure-uncaged-workflow-symlink.ts

@@ -0,0 +1,56 @@
+import { mkdir, readlink, symlink, unlink } from "node:fs/promises";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+
+/** This module lives in `@uncaged/workflow-register/src/bundle`; grandparent dir is the package root. */
+function installedWorkflowPackageDir(): string {
+  return fileURLToPath(new URL("../..", import.meta.url));
+}
+
+/**
+ * Resolve sibling @uncaged/* package directory relative to workflow-register.
+ * In a monorepo workspace layout the sibling packages live next to workflow-register.
+ */
+function siblingPackageDir(packageName: string): string {
+  const registerRoot = installedWorkflowPackageDir();
+  return path.resolve(registerRoot, "..", packageName);
+}
+
+async function ensureSymlink(linkDir: string, name: string, target: string): Promise<void> {
+  const linkPath = path.join(linkDir, name);
+  await mkdir(linkDir, { recursive: true });
+  try {
+    const existing = await readlink(linkPath);
+    const normalizedExisting = path.resolve(linkDir, existing);
+    if (normalizedExisting === target) {
+      return;
+    }
+    await unlink(linkPath);
+  } catch (e) {
+    const errObj = e as NodeJS.ErrnoException;
+    if (errObj.code !== "ENOENT" && errObj.code !== "EINVAL") {
+      throw e;
+    }
+  }
+  const linkType = process.platform === "win32" ? "junction" : "dir";
+  await symlink(target, linkPath, linkType);
+}
+
+/**
+ * Ensures `<storageRoot>/node_modules/@uncaged/*` symlinks point at installed packages
+ * so workflow bundles loaded from `<storageRoot>/bundles/*.esm.js` can resolve their imports.
+ */
+export async function ensureUncagedWorkflowSymlink(storageRoot: string): Promise<void> {
+  const linkDir = path.join(storageRoot, "node_modules", "@uncaged");
+
+  const packages = [
+    { name: "workflow", dir: siblingPackageDir("workflow") },
+    { name: "workflow-runtime", dir: siblingPackageDir("workflow-runtime") },
+    { name: "workflow-cas", dir: siblingPackageDir("workflow-cas") },
+    { name: "workflow-protocol", dir: siblingPackageDir("workflow-protocol") },
+  ];
+
+  for (const pkg of packages) {
+    await ensureSymlink(linkDir, pkg.name, pkg.dir);
+  }
+}

packages/workflow-register/src/bundle/extract-bundle-exports.ts

@@ -1,5 +1,5 @@
-import type { WorkflowFn } from "@uncaged/workflow-runtime";
-import { err, ok, type Result } from "../util/index.js";
+import type { WorkflowFn } from "@uncaged/workflow-protocol";
+import { err, ok, type Result } from "@uncaged/workflow-util";
 import { importWorkflowBundleModule } from "./bundle-import-env.js";
 import { ensureUncagedWorkflowSymlink } from "./ensure-uncaged-workflow-symlink.js";
 import type { ExtractBundleExportsOptions, ExtractedBundleExports } from "./types.js";

packages/workflow-register/src/bundle/types.ts

@@ -1,10 +1,11 @@
-import type { WorkflowDescriptor, WorkflowFn } from "@uncaged/workflow-runtime";
+import type { WorkflowDescriptor, WorkflowFn } from "@uncaged/workflow-protocol";
 
 export type {
   WorkflowDescriptor,
   WorkflowRoleDescriptor,
   WorkflowRoleSchema,
-} from "@uncaged/workflow-runtime";
+  WorkflowFn,
+} from "@uncaged/workflow-protocol";
 
 export type WorkflowBundleValidationInput = {
   /** Absolute or relative path (used for `.esm.js` suffix checks). */

packages/workflow-register/src/bundle/workflow-descriptor.ts

@@ -1,4 +1,4 @@
-import { err, ok, type Result } from "../util/index.js";
+import { err, ok, type Result } from "@uncaged/workflow-util";
 
 import type { WorkflowDescriptor, WorkflowRoleDescriptor, WorkflowRoleSchema } from "./types.js";
 

packages/workflow-register/src/config/resolve-model.ts

@@ -1,5 +1,5 @@
-import type { WorkflowConfig } from "../registry/index.js";
-import { err, ok, type Result } from "../util/index.js";
+import type { WorkflowConfig } from "@uncaged/workflow-protocol";
+import { err, ok, type Result } from "@uncaged/workflow-util";
 import { splitProviderModelRef } from "./split-provider-model-ref.js";
 import type { ResolvedModel } from "./types.js";
 

packages/workflow-register/src/config/split-provider-model-ref.ts

@@ -1,4 +1,4 @@
-import { err, ok, type Result } from "../util/index.js";
+import { err, ok, type Result } from "@uncaged/workflow-util";
 
 /** Parses `providerName/modelName` references used in {@link WorkflowConfig.models}. */
 export function splitProviderModelRef(

packages/workflow-register/src/config/types.ts

@@ -0,0 +1 @@
+export type { ProviderConfig, ResolvedModel } from "@uncaged/workflow-protocol";

packages/workflow-register/src/index.ts

@@ -0,0 +1,39 @@
+export {
+  buildDescriptor,
+  importWorkflowBundleModule,
+  validateWorkflowBundle,
+  ensureUncagedWorkflowSymlink,
+  extractBundleExports,
+  stringifyWorkflowDescriptor,
+  validateWorkflowDescriptor,
+} from "./bundle/index.js";
+export type {
+  ExtractBundleExportsOptions,
+  ExtractedBundleExports,
+  WorkflowBundleValidationInput,
+  WorkflowDescriptor,
+  WorkflowRoleDescriptor,
+  WorkflowRoleSchema,
+} from "./bundle/index.js";
+
+export {
+  getRegisteredWorkflow,
+  listRegisteredWorkflowNames,
+  parseWorkflowRegistryYaml,
+  readWorkflowRegistry,
+  registerWorkflowVersion,
+  rollbackWorkflowToHistoryHash,
+  stringifyWorkflowRegistryYaml,
+  unregisterWorkflow,
+  workflowRegistryPath,
+  writeWorkflowRegistry,
+} from "./registry/index.js";
+export type {
+  WorkflowConfig,
+  WorkflowHistoryEntry,
+  WorkflowRegistryEntry,
+  WorkflowRegistryFile,
+} from "./registry/index.js";
+
+export { resolveModel, splitProviderModelRef } from "./config/index.js";
+export type { ProviderConfig, ResolvedModel } from "./config/index.js";