diff --git a/packages/workflow-template-document/__tests__/document-template.test.ts b/packages/workflow-template-document/__tests__/document-template.test.ts
new file mode 100644
index 0000000..7c950b8
--- /dev/null
+++ b/packages/workflow-template-document/__tests__/document-template.test.ts
@@ -0,0 +1,87 @@
+import { describe, expect, test } from "bun:test";
+import { tableToModerator } from "@uncaged/workflow-protocol/moderator-table.js";
+import { validateWorkflowDescriptor } from "@uncaged/workflow-register";
+import { END, type ModeratorContext, type RoleStep, START } from "@uncaged/workflow-runtime";
+import { buildDocumentDescriptor } from "../src/descriptor.js";
+import { documentTable } from "../src/moderator.js";
+import type { DifferMeta, WriterMeta } from "../src/roles/index.js";
+import type { DocumentMeta } from "../src/roles.js";
+
+const documentModerator = tableToModerator(documentTable);
+
+function makeCtx(
+  steps: ModeratorContext<DocumentMeta>["steps"],
+): ModeratorContext<DocumentMeta> {
+  return {
+    threadId: "01TEST000000000000000000TR",
+    depth: 0,
+    bundleHash: "TESTHASH00001",
+    start: { role: START, content: "", meta: {}, timestamp: 0, parentState: null },
+    steps,
+  };
+}
+
+function writerGenerateStep(): RoleStep<DocumentMeta> {
+  return {
+    role: "writer",
+    contentHash: "STUBHASHWRITER001",
+    meta: { mode: "generate", outputDocx: "/out/output.docx", sourceDocx: null } satisfies WriterMeta,
+    refs: [],
+    timestamp: 1,
+  };
+}
+
+function writerEditStep(): RoleStep<DocumentMeta> {
+  return {
+    role: "writer",
+    contentHash: "STUBHASHWRITER002",
+    meta: { mode: "edit", outputDocx: "/out/modified.docx", sourceDocx: "/out/original.docx" } satisfies WriterMeta,
+    refs: [],
+    timestamp: 1,
+  };
+}
+
+function differStep(): RoleStep<DocumentMeta> {
+  return {
+    role: "differ",
+    contentHash: "STUBHASHDIFF001",
+    meta: {
+      sourceDocx: "/out/original.docx",
+      modifiedDocx: "/out/modified.docx",
+      diffDocx: "/out/diff.docx",
+    } satisfies DifferMeta,
+    refs: [],
+    timestamp: 2,
+  };
+}
+
+describe("documentTable", () => {
+  test("START → writer", () => {
+    expect(documentModerator(makeCtx([]))).toBe("writer");
+  });
+
+  test("writer (generate) → END", () => {
+    expect(documentModerator(makeCtx([writerGenerateStep()]))).toBe(END);
+  });
+
+  test("writer (edit) → differ", () => {
+    expect(documentModerator(makeCtx([writerEditStep()]))).toBe("differ");
+  });
+
+  test("differ → END", () => {
+    expect(documentModerator(makeCtx([writerEditStep(), differStep()]))).toBe(END);
+  });
+});
+
+describe("buildDocumentDescriptor", () => {
+  test("descriptor passes validation", () => {
+    const descriptor = buildDocumentDescriptor();
+    expect(() => validateWorkflowDescriptor(descriptor)).not.toThrow();
+  });
+
+  test("descriptor has writer and differ roles", () => {
+    const descriptor = buildDocumentDescriptor();
+    expect(Object.keys(descriptor.roles)).toContain("writer");
+    expect(Object.keys(descriptor.roles)).toContain("differ");
+  });
+});
diff --git a/packages/workflow-template-document/src/descriptor.ts b/packages/workflow-template-document/src/descriptor.ts
new file mode 100644
index 0000000..b8abf77
--- /dev/null
+++ b/packages/workflow-template-document/src/descriptor.ts
@@ -0,0 +1,11 @@
+import { buildDescriptor } from "@uncaged/workflow-register";
+import { documentTable } from "./moderator.js";
+import { DOCUMENT_WORKFLOW_DESCRIPTION, documentRoles } from "./roles.js";
+
+export function buildDocumentDescriptor() {
+  return buildDescriptor({
+    description: DOCUMENT_WORKFLOW_DESCRIPTION,
+    roles: documentRoles,
+    table: documentTable,
+  });
+}
diff --git a/packages/workflow-template-document/src/index.ts b/packages/workflow-template-document/src/index.ts
index cb0ff5c..938915c 100644
--- a/packages/workflow-template-document/src/index.ts
+++ b/packages/workflow-template-document/src/index.ts
@@ -1 +1,27 @@
-export {};
+import type { WorkflowDefinition } from "@uncaged/workflow-runtime";
+import { documentTable } from "./moderator.js";
+import { DOCUMENT_WORKFLOW_DESCRIPTION, type DocumentMeta, documentRoles } from "./roles.js";
+
+export { buildDocumentDescriptor } from "./descriptor.js";
+export { documentTable } from "./moderator.js";
+export {
+  type DifferMeta,
+  differMetaSchema,
+  differRole,
+  type WriterMeta,
+  writerMetaSchema,
+  writerRole,
+} from "./roles/index.js";
+export {
+  DOCUMENT_WORKFLOW_DESCRIPTION,
+  type DocumentMeta,
+  type DocumentRoles,
+  documentRoles,
+} from "./roles.js";
+export type { DocumentStartInput } from "./types.js";
+
+export const documentWorkflowDefinition: WorkflowDefinition<DocumentMeta> = {
+  description: DOCUMENT_WORKFLOW_DESCRIPTION,
+  roles: documentRoles,
+  table: documentTable,
+};
diff --git a/packages/workflow-template-document/src/moderator.ts b/packages/workflow-template-document/src/moderator.ts
new file mode 100644
index 0000000..c030736
--- /dev/null
+++ b/packages/workflow-template-document/src/moderator.ts
@@ -0,0 +1,27 @@
+import {
+  END,
+  type ModeratorCondition,
+  type ModeratorTable,
+  START,
+} from "@uncaged/workflow-runtime";
+import type { WriterMeta } from "./roles/writer.js";
+import type { DocumentMeta } from "./roles.js";
+
+const writerIsEditMode: ModeratorCondition<DocumentMeta> = {
+  name: "writerIsEditMode",
+  description: "Writer ran in edit mode and produced a modified document",
+  check: (ctx) => {
+    const writerStep = ctx.steps.find((s) => s.role === "writer");
+    if (writerStep === undefined) return false;
+    return (writerStep.meta as WriterMeta).mode === "edit";
+  },
+};
+
+export const documentTable: ModeratorTable<DocumentMeta> = {
+  [START]: [{ condition: "FALLBACK", role: "writer" }],
+  writer: [
+    { condition: writerIsEditMode, role: "differ" },
+    { condition: "FALLBACK", role: END },
+  ],
+  differ: [{ condition: "FALLBACK", role: END }],
+};
diff --git a/packages/workflow-template-document/src/roles.ts b/packages/workflow-template-document/src/roles.ts
new file mode 100644
index 0000000..b5f3c2f
--- /dev/null
+++ b/packages/workflow-template-document/src/roles.ts
@@ -0,0 +1,20 @@
+import type { RoleDefinition } from "@uncaged/workflow-runtime";
+import { type DifferMeta, differRole } from "./roles/differ.js";
+import { type WriterMeta, writerRole } from "./roles/writer.js";
+
+export const DOCUMENT_WORKFLOW_DESCRIPTION =
+  "Generates a new Word document from a prompt, or edits an existing one and produces a diff report.";
+
+export type DocumentMeta = {
+  writer: WriterMeta;
+  differ: DifferMeta;
+};
+
+export type DocumentRoles = {
+  [K in keyof DocumentMeta]: RoleDefinition<DocumentMeta[K]>;
+};
+
+export const documentRoles: DocumentRoles = {
+  writer: writerRole,
+  differ: differRole,
+};
diff --git a/packages/workflow-template-document/src/roles/differ.ts b/packages/workflow-template-document/src/roles/differ.ts
new file mode 100644
index 0000000..bf69c69
--- /dev/null
+++ b/packages/workflow-template-document/src/roles/differ.ts
@@ -0,0 +1,16 @@
+import type { RoleDefinition } from "@uncaged/workflow-runtime";
+import * as z from "zod/v4";
+
+export const differMetaSchema = z.object({
+  sourceDocx: z.string(),
+  modifiedDocx: z.string(),
+  diffDocx: z.string(),
+});
+
+export type DifferMeta = z.infer<typeof differMetaSchema>;
+
+export const differRole: RoleDefinition<DifferMeta> = {
+  description: "Produces a Word-format diff report of the writer's changes (edit mode only).",
+  systemPrompt: "",
+  schema: differMetaSchema,
+};
diff --git a/packages/workflow-template-document/src/roles/index.ts b/packages/workflow-template-document/src/roles/index.ts
new file mode 100644
index 0000000..dc391e7
--- /dev/null
+++ b/packages/workflow-template-document/src/roles/index.ts
@@ -0,0 +1,4 @@
+export type { DifferMeta } from "./differ.js";
+export { differMetaSchema, differRole } from "./differ.js";
+export type { WriterMeta } from "./writer.js";
+export { writerMetaSchema, writerRole } from "./writer.js";
diff --git a/packages/workflow-template-document/src/roles/writer.ts b/packages/workflow-template-document/src/roles/writer.ts
new file mode 100644
index 0000000..5dea205
--- /dev/null
+++ b/packages/workflow-template-document/src/roles/writer.ts
@@ -0,0 +1,23 @@
+import type { RoleDefinition } from "@uncaged/workflow-runtime";
+import * as z from "zod/v4";
+
+export const writerMetaSchema = z.discriminatedUnion("mode", [
+  z.object({
+    mode: z.literal("generate"),
+    outputDocx: z.string(),
+    sourceDocx: z.null(),
+  }),
+  z.object({
+    mode: z.literal("edit"),
+    outputDocx: z.string(),
+    sourceDocx: z.string(),
+  }),
+]);
+
+export type WriterMeta = z.infer<typeof writerMetaSchema>;
+
+export const writerRole: RoleDefinition<WriterMeta> = {
+  description: "Generates or modifies a Word document via an external agent.",
+  systemPrompt: "",
+  schema: writerMetaSchema,
+};
diff --git a/packages/workflow-template-document/src/types.ts b/packages/workflow-template-document/src/types.ts
new file mode 100644
index 0000000..36bde04
--- /dev/null
+++ b/packages/workflow-template-document/src/types.ts
@@ -0,0 +1,4 @@
+export type DocumentStartInput = {
+  prompt: string;
+  inputDocx: string | null;
+};