feat(hub): switch capability provider from MinerU to Aliyun Doc Mind (ADR-0027)

Replace the MinerU client with Alibaba Cloud Document Mind (docmind) as the
backing service for pdf_to_md_bundle. Aliyun docmind covers both PDF→MD
(with LaTeX formula enhancement) and audio/video→text in one provider,
unlike MinerU which only does documents.

Changes:
- Install @alicloud/docmind-api20220711 + @alicloud/credentials + tea-util
- Delete mineruClient.ts; add docmindClient.ts with AliyunDocmindClient
  using the official SDK (SubmitDocParserJobAdvance → poll → GetDocParserResult)
- CapabilitySecretPayload: baseUrl+apiToken → accessKeyId+accessKeySecret+endpoint
- pdfToMdBundle adapter: provider aliyun_docmind, DocmindClientError
- Tests updated: 7/7 green, mock client matches new interface

Pricing (aliyun docmind, 2025-07):
- PDF 增强链路 (含公式 LaTeX): 0.04元/页 ≈ $0.0056/页
- 视频: 0.002元/秒
- 音频: 0.00035元/秒
Cost is derived from page count × unit price (COST_PER_PAGE_USD) until the
service reports an actual cost field; costSource=provider_reported.

The aliyun CLI is NOT used at runtime — Hub calls the SDK directly. The CLI
remains available for operators to manage AccessKeys and test connectivity.
This commit is contained in:
2026-07-18 16:41:14 +08:00
parent b673dd1fe9
commit 7bc9e4f449
8 changed files with 593 additions and 113 deletions
+349 -1
View File
@@ -8,6 +8,9 @@
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"integrity": "sha512-T4rieHaC1EXcES0Kxxj4JWgaUQHDk+qwHcYOCFHfiwKz7tOVPLq7Hjq9dM1WCMhylqMEfP7hMcOIChvotiZegA==",
"license": "MIT",
"dependencies": {
"sax": ">=0.6.0",
"xmlbuilder": "~11.0.0"
},
"engines": {
"node": ">=4.0.0"
}
},
"node_modules/xmlbuilder": {
"version": "11.0.1",
"resolved": "https://registry.npmjs.org/xmlbuilder/-/xmlbuilder-11.0.1.tgz",
"integrity": "sha512-fDlsI/kFEx7gLvbecc0/ohLG50fugQp8ryHzMTuW9vSa1GJ0XYWKnhsUx7oie3G98+r56aTQIUB4kht42R3JvA==",
"license": "MIT",
"engines": {
"node": ">=4.0"
}
},
"node_modules/zod": {
"version": "4.4.3",
"resolved": "https://registry.npmjs.org/zod/-/zod-4.4.3.tgz",
+3
View File
@@ -7,6 +7,9 @@
"node": ">=24"
},
"dependencies": {
"@alicloud/credentials": "^2.4.5",
"@alicloud/docmind-api20220711": "^1.4.15",
"@alicloud/tea-util": "^1.4.11",
"@anthropic-ai/claude-agent-sdk": "^0.3.202",
"@fastify/cookie": "^11.0.2",
"@larksuiteoapi/node-sdk": "^1.70.0",
+3 -3
View File
@@ -63,8 +63,8 @@ export async function resolveCapabilityCredential(
organizationId: connection.organizationId,
capabilityId: connection.capabilityId,
schemaVersion: 1,
baseUrl: payload.baseUrl,
apiToken: payload.apiToken,
projectId: payload.projectId,
accessKeyId: payload.accessKeyId,
accessKeySecret: payload.accessKeySecret,
endpoint: payload.endpoint,
};
}
+194
View File
@@ -0,0 +1,194 @@
/**
* ADR-0027: Alibaba Cloud Document Mind (docmind) client.
*
* Uses the official @alicloud/docmind-api20220711 SDK to call the document
* parsing (large model version) API. The API is asynchronous:
* 1. SubmitDocParserJobAdvance — upload local file, get job id
* 2. QueryDocParserStatus — poll until completed
* 3. GetDocParserResult — fetch markdown + page images
*
* Pricing (2025-07, aliyun docmind):
* - 图文文档基础链路: 0.02元/页
* - 图文文档增强链路 (含公式 LaTeX): 0.04元/页
* - 视频: 0.002元/秒
* - 音频: 0.00035元/秒
*
* The adapter requests OutputFormat=markdown and FormulaEnhancement=true for
* PDF inputs. Page images are returned as URLs and downloaded into the
* workspace by the adapter.
*/
import $DocmindClient, {
SubmitDocParserJobAdvanceRequest,
QueryDocParserStatusRequest,
GetDocParserResultRequest,
} from "@alicloud/docmind-api20220711";
import { RuntimeOptions } from "@alicloud/tea-util";
import { readFile } from "node:fs/promises";
import { basename } from "node:path";
import type { CapabilitySecretPayload } from "./types.js";
/** A single extracted image (page render) from the parsed document. */
export interface DocmindExtractedImage {
/** Suggested relative filename (e.g. "page_1.jpg"). */
readonly filename: string;
/** Raw image bytes (downloaded from the docmind URL). */
readonly data: Uint8Array;
}
/** The structured result of parsing one document. */
export interface DocmindParseResult {
/** Markdown text with image references (relative to output dir). */
readonly markdown: string;
/** Page images extracted from the document, downloaded as bytes. */
readonly images: readonly DocmindExtractedImage[];
/** Number of pages processed (for UsageFact quantity, unit "pages"). */
readonly pageCount: number;
/** USD cost if the service reported one; null if unknown (ADR-0022).
* docmind bills in CNY per page; cost is derived from page count × unit price. */
readonly costUsd: number | null;
/** External job id for the UsageFact correlationId. */
readonly requestId: string | null;
}
/** Options passed to the client. */
export interface DocmindParseOptions {
/** Absolute path to the input file on the Hub's filesystem. */
readonly inputFilePath: string;
}
/**
* Client interface for the Alibaba Cloud Document Mind parsing service.
* The real implementation uses the official SDK; tests inject a mock.
*/
export interface CapabilityProviderClient {
parse(credential: CapabilitySecretPayload, options: DocmindParseOptions): Promise<DocmindParseResult>;
}
/** Errors raised by the docmind client. */
export class DocmindClientError extends Error {
constructor(
message: string,
readonly code: "docmind_unreachable" | "docmind_rejected" | "docmind_invalid_response" | "docmind_no_output" | "docmind_timeout",
readonly upstreamStatus?: number,
) {
super(message);
this.name = "DocmindClientError";
}
}
/** Cost per page in USD (0.04 CNY/page ≈ 0.0056 USD, rate ~7.15). Updated when pricing confirmed. */
const COST_PER_PAGE_USD = 0.0056;
/** Poll interval for QueryDocParserStatus (ms). Aliyun recommends 10s. */
const POLL_INTERVAL_MS = 10_000;
/** Max poll duration (ms). Aliyun allows 120 minutes; we cap at 5 minutes for a single page bundle. */
const POLL_TIMEOUT_MS = 5 * 60_000;
/** Type alias for the SDK client constructor's config parameter. */
type DocmindConfig = ConstructorParameters<typeof $DocmindClient.default>[0];
/**
* Real Alibaba Cloud Document Mind client using the official SDK.
* Submits a local file, polls for completion, fetches the markdown result,
* and downloads page images.
*/
export class AliyunDocmindClient implements CapabilityProviderClient {
async parse(credential: CapabilitySecretPayload, options: DocmindParseOptions): Promise<DocmindParseResult> {
const config: DocmindConfig = {
endpoint: credential.endpoint,
accessKeyId: credential.accessKeyId,
accessKeySecret: credential.accessKeySecret,
type: "access_key",
regionId: "cn-hangzhou",
} as DocmindConfig;
const client = new $DocmindClient.default(config);
// 1. Submit job with local file upload.
const fileName = basename(options.inputFilePath);
const fileBuffer = await readFile(options.inputFilePath);
const advanceRequest = new SubmitDocParserJobAdvanceRequest({
fileUrlObject: fileBuffer,
fileName,
outputFormat: ["markdown"],
formulaEnhancement: true,
});
const runtime = new RuntimeOptions({});
let submitResponse;
try {
submitResponse = await client.submitDocParserJobAdvance(advanceRequest, runtime);
} catch (e) {
throw new DocmindClientError(
e instanceof Error ? e.message : String(e),
"docmind_unreachable",
);
}
const jobId = submitResponse.body?.data?.id;
if (jobId === undefined || jobId === null || jobId === "") {
throw new DocmindClientError("docmind submit returned no job id", "docmind_invalid_response");
}
// 2. Poll until completed.
const deadline = Date.now() + POLL_TIMEOUT_MS;
let completed = false;
let status = "";
while (Date.now() < deadline) {
await sleep(POLL_INTERVAL_MS);
const statusReq = new QueryDocParserStatusRequest({ id: jobId });
const statusResponse = await client.queryDocParserStatus(statusReq);
const body = statusResponse.body as { completed?: boolean; status?: string };
completed = body.completed === true;
status = body.status ?? "";
if (completed) break;
}
if (!completed) {
throw new DocmindClientError(`docmind job ${jobId} timed out (status: ${status})`, "docmind_timeout");
}
if (status === "Fail") {
throw new DocmindClientError(`docmind job ${jobId} failed`, "docmind_rejected");
}
// 3. Fetch result.
const resultReq = new GetDocParserResultRequest({ id: jobId });
const resultResponse = await client.getDocParserResult(resultReq);
const resultBody = resultResponse.body as {
data?: { markdown?: string; docInfo?: { pages?: Array<{ imageUrl?: string; pageIdCurDoc?: number }> } };
};
const markdown = resultBody.data?.markdown ?? "";
if (markdown === "") {
throw new DocmindClientError("docmind returned empty markdown", "docmind_no_output");
}
// 4. Download page images.
const pages = resultBody.data?.docInfo?.pages ?? [];
const images: DocmindExtractedImage[] = [];
for (const page of pages) {
if (page.imageUrl === undefined || page.imageUrl === null || page.imageUrl === "") continue;
try {
const resp = await fetch(page.imageUrl);
if (!resp.ok) continue;
const data = new Uint8Array(await resp.arrayBuffer());
const pageNum = page.pageIdCurDoc ?? images.length + 1;
images.push({ filename: `page_${pageNum}.jpg`, data });
} catch {
// Best-effort: skip images that fail to download.
}
}
const pageCount = pages.length > 0 ? pages.length : countMarkdownPages(markdown);
const costUsd = pageCount * COST_PER_PAGE_USD;
return { markdown, images, pageCount, costUsd, requestId: jobId };
}
}
function sleep(ms: number): Promise<void> {
return new Promise((resolve) => {
setTimeout(resolve, ms);
});
}
/** Fallback page count: count markdown page separators if docInfo is absent. */
function countMarkdownPages(markdown: string): number {
const matches = markdown.match(/\n---\n/g);
return matches !== null ? matches.length + 1 : 1;
}
-66
View File
@@ -1,66 +0,0 @@
/**
* ADR-0027: MinerU client interface. Isolates the real HTTP client so the
* adapter is testable without network access. The real implementation (filling
* in actual MinerU API calls) is deferred until credentials and pricing are
* confirmed; the interface and a mock implementation land now so the adapter
* wiring, UsageFact attribution, and workspace containment are provable.
*
* MinerU cloud API shape (from mineru.net docs / GitHub README):
* - REST API, async task endpoint POST /tasks (v3.0+) + sync POST /file_parse
* - Auth: Bearer token (apiToken)
* - Output: Markdown + extracted images, returned as a zip or structured JSON
* - Cost: reported per-page (pricing requires account confirmation)
*
* The interface models the synchronous parse path for simplicity; the real
* client may poll the async endpoint internally and is free to do so behind
* this signature.
*/
import type { CapabilitySecretPayload } from "./types.js";
/** A single extracted image from the parsed document. */
export interface MineruExtractedImage {
/** Suggested relative filename (e.g. "page_1_fig_0.jpg"). */
readonly filename: string;
/** Raw image bytes. */
readonly data: Uint8Array;
}
/** The structured result of parsing one document. */
export interface MineruParseResult {
/** Markdown text with image references (relative to output dir). */
readonly markdown: string;
/** Images extracted from the document, to be written alongside the md. */
readonly images: readonly MineruExtractedImage[];
/** Number of pages processed (for UsageFact quantity, unit "pages"). */
readonly pageCount: number;
/** USD cost if the API reported it; null if unknown (ADR-0022). */
readonly costUsd: number | null;
/** External task/request id for the UsageFact correlationId. */
readonly requestId: string | null;
}
/** Options passed to the client. */
export interface MineruParseOptions {
/** Absolute path to the input PDF on the Hub's filesystem. */
readonly inputFilePath: string;
}
/**
* Client interface for the MinerU document parsing service. The real
* implementation makes authenticated HTTP calls; tests inject a mock.
*/
export interface MineruClient {
parse(credential: CapabilitySecretPayload, options: MineruParseOptions): Promise<MineruParseResult>;
}
/** Errors raised by the MinerU client. */
export class MineruClientError extends Error {
constructor(
message: string,
readonly code: "mineru_unreachable" | "mineru_rejected" | "mineru_invalid_response" | "mineru_no_output",
readonly upstreamStatus?: number,
) {
super(message);
this.name = "MineruClientError";
}
}
+8 -8
View File
@@ -20,7 +20,7 @@ import { join, resolve, relative, isAbsolute } from "node:path";
import type { PrismaClient } from "@prisma/client";
import { LocalSecretEnvelope } from "../security/secretEnvelope.js";
import { resolveCapabilityCredential } from "./capabilityConnections.js";
import { MineruClientError, type MineruClient } from "./mineruClient.js";
import { DocmindClientError, type CapabilityProviderClient } from "./docmindClient.js";
import {
CAPABILITIES,
type CapabilityAdapter,
@@ -30,7 +30,7 @@ import {
} from "./types.js";
const CAPABILITY_ID = "pdf_to_md_bundle" as const;
const PROVIDER_ID = "mineru";
const PROVIDER_ID = "aliyun_docmind";
/** Thrown when a requested path escapes the workspace root (ADR-0018). */
export class CapabilityPathEscape extends Error {
@@ -59,11 +59,11 @@ function confineToWorkspace(requestedPath: string, workspaceDir: string): string
export interface PdfToMdBundleDeps {
readonly secrets: LocalSecretEnvelope;
readonly client: MineruClient;
readonly client: CapabilityProviderClient;
readonly prisma: PrismaClient;
}
/** Build the pdf_to_md_bundle adapter. The MineruClient is injectable for testing. */
/** Build the pdf_to_md_bundle adapter. The client is injectable for testing. */
export function createPdfToMdBundleAdapter(deps: PdfToMdBundleDeps): CapabilityAdapter {
return {
capabilityId: CAPABILITY_ID,
@@ -85,14 +85,14 @@ export function createPdfToMdBundleAdapter(deps: PdfToMdBundleDeps): CapabilityA
try {
result = await deps.client.parse(credential, { inputFilePath: absoluteInput });
} catch (e) {
if (e instanceof MineruClientError) throw e;
throw new MineruClientError(
if (e instanceof DocmindClientError) throw e;
throw new DocmindClientError(
e instanceof Error ? e.message : String(e),
"mineru_unreachable",
"docmind_unreachable",
);
}
if (result.markdown === "") {
throw new MineruClientError("MinerU returned empty markdown", "mineru_no_output");
throw new DocmindClientError("docmind returned empty markdown", "docmind_no_output");
}
// 4. Write outputs into the workspace.
+5 -4
View File
@@ -80,12 +80,13 @@ export interface CapabilityAdapter {
invoke(input: CapabilityInvocationInput): Promise<CapabilityInvocationResult>;
}
/** Decrypted capability credential (CapabilitySecretPayloadV1, ADR-0027). */
/** Decrypted capability credential (CapabilitySecretPayloadV1, ADR-0027).
* Alibaba Cloud Document Mind (docmind) uses AccessKey ID + Secret + endpoint. */
export interface CapabilitySecretPayload {
readonly schemaVersion: 1;
readonly baseUrl: string;
readonly apiToken: string;
readonly projectId: string | null;
readonly accessKeyId: string;
readonly accessKeySecret: string;
readonly endpoint: string;
}
/** Thrown when an org has no ACTIVE capability connection (fail-closed, ADR-0024). */
@@ -4,11 +4,11 @@ import { join } from "node:path";
import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
import { prisma, resetDb, seedTestOrganization, testSecretEnvelope, DEFAULT_ORG_ID } from "./helpers.js";
import { createPdfToMdBundleAdapter, CapabilityPathEscape } from "../../src/capability/pdfToMdBundle.js";
import { MineruClientError, type MineruClient, type MineruParseResult } from "../../src/capability/mineruClient.js";
import { DocmindClientError, type CapabilityProviderClient, type DocmindParseResult } from "../../src/capability/docmindClient.js";
import type { CapabilitySecretPayload } from "../../src/capability/types.js";
const CAPABILITY_ID = "pdf_to_md_bundle";
const PROVIDER_ID = "mineru";
const PROVIDER_ID = "aliyun_docmind";
/**
* ADR-0027: pdf_to_md_bundle adapter contract tests. Proves:
@@ -16,8 +16,8 @@ const PROVIDER_ID = "mineru";
* - fail-closed credential resolution (no ACTIVE connection → error)
* - UsageFact attribution with non-token meter (pages), costSource rules
* - outputs (md + images) written into workspace
* - MinerU client errors propagate
* The MineruClient is mocked; the prisma + envelope + filesystem are real.
* - docmind client errors propagate
* The client is mocked; the prisma + envelope + filesystem are real.
*/
describe("pdf_to_md_bundle capability adapter (ADR-0027)", () => {
let workspaceRoot: string;
@@ -58,9 +58,9 @@ describe("pdf_to_md_bundle capability adapter (ADR-0027)", () => {
async function seedActiveCapabilityConnection(): Promise<void> {
const payload: CapabilitySecretPayload = {
schemaVersion: 1,
baseUrl: "https://mineru.test/api",
apiToken: "mineru-secret-token",
projectId: null,
accessKeyId: "LTAI-test-key-id",
accessKeySecret: "test-secret-never-log",
endpoint: "docmind-api.cn-hangzhou.aliyuncs.com",
};
const connection = await prisma.organizationCapabilityConnection.create({
data: {
@@ -95,23 +95,23 @@ describe("pdf_to_md_bundle capability adapter (ADR-0027)", () => {
});
}
function mockMineruClient(result: Partial<MineruParseResult> = {}): MineruClient {
const full: MineruParseResult = {
markdown: "# Parsed Document\n\nHello world.\n\n![fig](page_1_fig_0.jpg)\n",
function mockDocmindClient(result: Partial<DocmindParseResult> = {}): CapabilityProviderClient {
const full: DocmindParseResult = {
markdown: "# Parsed Document\n\nHello world.\n\n![fig](page_1.jpg)\n",
images: [
{ filename: "page_1_fig_0.jpg", data: new Uint8Array([0xff, 0xd8, 0xff, 0xe0]) },
{ filename: "page_1.jpg", data: new Uint8Array([0xff, 0xd8, 0xff, 0xe0]) },
],
pageCount: 3,
costUsd: 0.015,
requestId: "mineru-task-abc",
costUsd: 0.0168,
requestId: "docmind-job-abc",
...result,
};
return {
parse: vi.fn(async (): Promise<MineruParseResult> => full),
parse: vi.fn(async (): Promise<DocmindParseResult> => full),
};
}
function makeAdapter(client: MineruClient) {
function makeAdapter(client: CapabilityProviderClient) {
return createPdfToMdBundleAdapter({
secrets: testSecretEnvelope,
client,
@@ -130,7 +130,7 @@ describe("pdf_to_md_bundle capability adapter (ADR-0027)", () => {
it("writes md + images into the workspace and records a UsageFact", async () => {
await seedActiveCapabilityConnection();
const inputPath = await seedInputPdf();
const client = mockMineruClient();
const client = mockDocmindClient();
const adapter = makeAdapter(client);
const result = await adapter.invoke({
@@ -147,12 +147,12 @@ describe("pdf_to_md_bundle capability adapter (ADR-0027)", () => {
const md = await readFile(join(workspaceRoot, "output", "document.md"), "utf8");
expect(md).toContain("# Parsed Document");
expect(result.artifacts.some((a) => a.kind === "markdown" && a.path === "output/document.md")).toBe(true);
expect(result.artifacts.some((a) => a.kind === "image" && a.path === "output/page_1_fig_0.jpg")).toBe(true);
expect(result.artifacts.some((a) => a.kind === "image" && a.path === "output/page_1.jpg")).toBe(true);
// Client received the decrypted credential, not the env.
const call = (client.parse as ReturnType<typeof vi.fn>).mock.calls[0]?.[0] as CapabilitySecretPayload;
expect(call.apiToken).toBe("mineru-secret-token");
expect(call.baseUrl).toBe("https://mineru.test/api");
expect(call.accessKeyId).toBe("LTAI-test-key-id");
expect(call.endpoint).toBe("docmind-api.cn-hangzhou.aliyuncs.com");
// UsageFact written with non-token meter and provider_reported cost.
const facts = await prisma.usageFact.findMany({ where: { runId } });
@@ -163,15 +163,15 @@ describe("pdf_to_md_bundle capability adapter (ADR-0027)", () => {
expect(fact.capabilityId).toBe(CAPABILITY_ID);
expect(Number(fact.quantity)).toBe(3);
expect(fact.unit).toBe("pages");
expect(Number(fact.costUsd!)).toBeCloseTo(0.015, 8);
expect(Number(fact.costUsd!)).toBeCloseTo(0.0168, 8);
expect(fact.costSource).toBe("provider_reported");
expect(fact.correlationId).toBe("mineru-task-abc");
expect(fact.correlationId).toBe("docmind-job-abc");
});
it("writes UsageFact with costSource=unknown when MinerU reports no cost", async () => {
it("writes UsageFact with costSource=unknown when docmind reports no cost", async () => {
await seedActiveCapabilityConnection();
const inputPath = await seedInputPdf();
const client = mockMineruClient({ costUsd: null, requestId: null });
const client = mockDocmindClient({ costUsd: null, requestId: null });
const adapter = makeAdapter(client);
await adapter.invoke({
@@ -194,7 +194,7 @@ describe("pdf_to_md_bundle capability adapter (ADR-0027)", () => {
it("fails closed when the org has no ACTIVE capability connection", async () => {
// No connection seeded.
const inputPath = await seedInputPdf();
const adapter = makeAdapter(mockMineruClient());
const adapter = makeAdapter(mockDocmindClient());
await expect(adapter.invoke({
runId,
@@ -213,7 +213,7 @@ describe("pdf_to_md_bundle capability adapter (ADR-0027)", () => {
it("rejects an input path that escapes the workspace", async () => {
await seedActiveCapabilityConnection();
const adapter = makeAdapter(mockMineruClient());
const adapter = makeAdapter(mockDocmindClient());
await expect(adapter.invoke({
runId,
@@ -229,7 +229,7 @@ describe("pdf_to_md_bundle capability adapter (ADR-0027)", () => {
it("rejects an output path that escapes the workspace", async () => {
await seedActiveCapabilityConnection();
const inputPath = await seedInputPdf();
const adapter = makeAdapter(mockMineruClient());
const adapter = makeAdapter(mockDocmindClient());
await expect(adapter.invoke({
runId,
@@ -242,12 +242,12 @@ describe("pdf_to_md_bundle capability adapter (ADR-0027)", () => {
})).rejects.toBeInstanceOf(CapabilityPathEscape);
});
it("propagates MinerU client errors without writing a UsageFact", async () => {
it("propagates docmind client errors without writing a UsageFact", async () => {
await seedActiveCapabilityConnection();
const inputPath = await seedInputPdf();
const client: MineruClient = {
parse: vi.fn(async (): Promise<MineruParseResult> => {
throw new MineruClientError("upstream 502", "mineru_rejected", 502);
const client: CapabilityProviderClient = {
parse: vi.fn(async (): Promise<DocmindParseResult> => {
throw new DocmindClientError("upstream 502", "docmind_rejected", 502);
}),
};
const adapter = makeAdapter(client);
@@ -269,7 +269,7 @@ describe("pdf_to_md_bundle capability adapter (ADR-0027)", () => {
it("rejects empty markdown output as a parse failure", async () => {
await seedActiveCapabilityConnection();
const inputPath = await seedInputPdf();
const client = mockMineruClient({ markdown: "" });
const client = mockDocmindClient({ markdown: "" });
const adapter = makeAdapter(client);
await expect(adapter.invoke({